Swiftgram/submodules/TelegramCallsUI/Sources/VoiceChatController.swift

import Foundation
import UIKit
import Display
import AsyncDisplayKit
import SwiftSignalKit
import TelegramPresentationData
import TelegramUIPreferences
import TelegramStringFormatting
import TelegramVoip
import TelegramAudio
import AccountContext
import Postbox
import TelegramCore
import SyncCore
import MergeLists
import ItemListUI
import AppBundle
import ContextUI
import ShareController
import DeleteChatPeerActionSheetItem
import UndoUI
import AlertUI
import PresentationDataUtils
import DirectionalPanGesture
import PeerInfoUI
import AvatarNode
import TooltipUI
import LegacyUI
import LegacyComponents
import LegacyMediaPickerUI
import WebSearchUI
import MapResourceToAvatarSizes
import SolidRoundedButtonNode
import AudioBlob
import DeviceAccess

let panelBackgroundColor = UIColor(rgb: 0x1c1c1e)
let secondaryPanelBackgroundColor = UIColor(rgb: 0x2c2c2e)
let fullscreenBackgroundColor = UIColor(rgb: 0x000000)
private let smallButtonSize = CGSize(width: 36.0, height: 36.0)
private let sideButtonSize = CGSize(width: 56.0, height: 56.0)
private let topPanelHeight: CGFloat = 63.0
let bottomAreaHeight: CGFloat = 206.0
private let fullscreenBottomAreaHeight: CGFloat = 80.0
private let bottomGradientHeight: CGFloat = 70.0

public struct VoiceChatConfiguration {
    static var defaultValue: VoiceChatConfiguration {
        return VoiceChatConfiguration(videoParticipantsMaxCount: 30)
    }
    
    public let videoParticipantsMaxCount: Int32
    
    fileprivate init(videoParticipantsMaxCount: Int32) {
        self.videoParticipantsMaxCount = videoParticipantsMaxCount
    }
    
    static func with(appConfiguration: AppConfiguration) -> VoiceChatConfiguration {
        if let data = appConfiguration.data, let value = data["groupcall_video_participants_max"] as? Double {
            return VoiceChatConfiguration(videoParticipantsMaxCount: Int32(value))
        } else {
            return .defaultValue
        }
    }
}

func decorationCornersImage(top: Bool, bottom: Bool, dark: Bool) -> UIImage? {
    if !top && !bottom {
        return nil
    }
    return generateImage(CGSize(width: 50.0, height: 50.0), rotatedContext: { (size, context) in
        let bounds = CGRect(origin: CGPoint(), size: size)
        context.setFillColor((dark ? fullscreenBackgroundColor : panelBackgroundColor).cgColor)
        context.fill(bounds)
        
        context.setBlendMode(.clear)
        
        var corners: UIRectCorner = []
        if top {
            corners.insert(.topLeft)
            corners.insert(.topRight)
        }
        if bottom {
            corners.insert(.bottomLeft)
            corners.insert(.bottomRight)
        }
        let path = UIBezierPath(roundedRect: bounds, byRoundingCorners: corners, cornerRadii: CGSize(width: 11.0, height: 11.0))
        context.addPath(path.cgPath)
        context.fillPath()
    })?.stretchableImage(withLeftCapWidth: 25, topCapHeight: 25)
}

func decorationTopCornersImage(dark: Bool) -> UIImage? {
    return generateImage(CGSize(width: 50.0, height: 110.0), rotatedContext: { (size, context) in
        let bounds = CGRect(origin: CGPoint(), size: size)
        context.setFillColor((dark ? fullscreenBackgroundColor : panelBackgroundColor).cgColor)
        context.fill(bounds)
        
        context.setBlendMode(.clear)
        
        var corners: UIRectCorner = []
        corners.insert(.topLeft)
        corners.insert(.topRight)

        let path = UIBezierPath(roundedRect: CGRect(x: 0.0, y: 60.0, width: 50.0, height: 50.0), byRoundingCorners: corners, cornerRadii: CGSize(width: 11.0, height: 11.0))
        context.addPath(path.cgPath)
        context.fillPath()
    })?.stretchableImage(withLeftCapWidth: 25, topCapHeight: 32)
}

func decorationBottomCornersImage(dark: Bool) -> UIImage? {
    return generateImage(CGSize(width: 50.0, height: 110.0), rotatedContext: { (size, context) in
        let bounds = CGRect(origin: CGPoint(), size: size)
        context.setFillColor((dark ? fullscreenBackgroundColor : panelBackgroundColor).cgColor)
        context.fill(bounds)
        
        context.setBlendMode(.clear)
        
        var corners: UIRectCorner = []
        corners.insert(.bottomLeft)
        corners.insert(.bottomRight)

        let path = UIBezierPath(roundedRect: CGRect(x: 0.0, y: 0.0, width: 50.0, height: 50.0), byRoundingCorners: corners, cornerRadii: CGSize(width: 11.0, height: 11.0))
        context.addPath(path.cgPath)
        context.fillPath()
    })?.resizableImage(withCapInsets: UIEdgeInsets(top: 25.0, left: 25.0, bottom: 0.0, right: 25.0), resizingMode: .stretch)
}

private func decorationBottomGradientImage(dark: Bool) -> UIImage? {
    return generateImage(CGSize(width: 24.0, height: bottomGradientHeight), rotatedContext: { size, context in
        let bounds = CGRect(origin: CGPoint(), size: size)
        context.clear(bounds)
        
        let color = dark ? fullscreenBackgroundColor : panelBackgroundColor
        let colorsArray = [color.withAlphaComponent(0.0).cgColor, color.cgColor] as CFArray
        var locations: [CGFloat] = [1.0, 0.0]
        let gradient = CGGradient(colorsSpace: deviceColorSpace, colors: colorsArray, locations: &locations)!
        context.drawLinearGradient(gradient, start: CGPoint(), end: CGPoint(x: 0.0, y: size.height), options: CGGradientDrawingOptions())
    })
}

struct VoiceChatPeerEntry: Identifiable {
    enum State {
        case listening
        case speaking
        case invited
        case raisedHand
    }
    
    var peer: Peer
    var about: String?
    var isMyPeer: Bool
    var videoEndpointId: String?
    var videoPaused: Bool
    var presentationEndpointId: String?
    var presentationPaused: Bool
    var effectiveSpeakerVideoEndpointId: String?
    var state: State
    var muteState: GroupCallParticipantsContext.Participant.MuteState?
    var canManageCall: Bool
    var volume: Int32?
    var raisedHand: Bool
    var displayRaisedHandStatus: Bool
    var active: Bool
    var isLandscape: Bool
    
    var effectiveVideoEndpointId: String? {
        return self.presentationEndpointId ?? self.videoEndpointId
    }

    init(
        peer: Peer,
        about: String?,
        isMyPeer: Bool,
        videoEndpointId: String?,
        videoPaused: Bool,
        presentationEndpointId: String?,
        presentationPaused: Bool,
        effectiveSpeakerVideoEndpointId: String?,
        state: State,
        muteState: GroupCallParticipantsContext.Participant.MuteState?,
        canManageCall: Bool,
        volume: Int32?,
        raisedHand: Bool,
        displayRaisedHandStatus: Bool,
        active: Bool,
        isLandscape: Bool
    ) {
        self.peer = peer
        self.about = about
        self.isMyPeer = isMyPeer
        self.videoEndpointId = videoEndpointId
        self.videoPaused = videoPaused
        self.presentationEndpointId = presentationEndpointId
        self.presentationPaused = presentationPaused
        self.effectiveSpeakerVideoEndpointId = effectiveSpeakerVideoEndpointId
        self.state = state
        self.muteState = muteState
        self.canManageCall = canManageCall
        self.volume = volume
        self.raisedHand = raisedHand
        self.displayRaisedHandStatus = displayRaisedHandStatus
        self.active = active
        self.isLandscape = isLandscape
    }
    
    var stableId: PeerId {
        return self.peer.id
    }
    
    static func ==(lhs: VoiceChatPeerEntry, rhs: VoiceChatPeerEntry) -> Bool {
        if !lhs.peer.isEqual(rhs.peer) {
            return false
        }
        if lhs.about != rhs.about {
            return false
        }
        if lhs.isMyPeer != rhs.isMyPeer {
            return false
        }
        if lhs.videoEndpointId != rhs.videoEndpointId {
            return false
        }
        if lhs.videoPaused != rhs.videoPaused {
            return false
        }
        if lhs.presentationEndpointId != rhs.presentationEndpointId {
            return false
        }
        if lhs.presentationPaused != rhs.presentationPaused {
            return false
        }
        if lhs.effectiveSpeakerVideoEndpointId != rhs.effectiveSpeakerVideoEndpointId {
            return false
        }
        if lhs.state != rhs.state {
            return false
        }
        if lhs.muteState != rhs.muteState {
            return false
        }
        if lhs.canManageCall != rhs.canManageCall {
            return false
        }
        if lhs.volume != rhs.volume {
            return false
        }
        if lhs.raisedHand != rhs.raisedHand {
            return false
        }
        if lhs.displayRaisedHandStatus != rhs.displayRaisedHandStatus {
            return false
        }
        if lhs.active != rhs.active {
            return false
        }
        if lhs.isLandscape != rhs.isLandscape {
            return false
        }
        return true
    }
}

public final class VoiceChatController: ViewController {
    enum DisplayMode {
        case modal(isExpanded: Bool, isFilled: Bool)
        case fullscreen(controlsHidden: Bool)
    }
    
    fileprivate final class Node: ViewControllerTracingNode, UIGestureRecognizerDelegate {
        private struct ListTransition {
            let deletions: [ListViewDeleteItem]
            let insertions: [ListViewInsertItem]
            let updates: [ListViewUpdateItem]
            let isLoading: Bool
            let isEmpty: Bool
            let canInvite: Bool
            let crossFade: Bool
            let count: Int
            let animated: Bool
        }
        
        private final class Interaction {
            let updateIsMuted: (PeerId, Bool) -> Void
            let switchToPeer: (PeerId, String?, Bool) -> Void
            let openInvite: () -> Void
            let peerContextAction: (VoiceChatPeerEntry, ASDisplayNode, ContextGesture?, Bool) -> Void
            let getPeerVideo: (String, GroupVideoNode.Position) -> GroupVideoNode?
            var isExpanded: Bool = false
            
            private var audioLevels: [PeerId: ValuePipe<Float>] = [:]
            
            var updateAvatarPromise = Promise<(TelegramMediaImageRepresentation, Float)?>(nil)
            
            init(
                updateIsMuted: @escaping (PeerId, Bool) -> Void,
                switchToPeer: @escaping (PeerId, String?, Bool) -> Void,
                openInvite: @escaping () -> Void,
                peerContextAction: @escaping (VoiceChatPeerEntry, ASDisplayNode, ContextGesture?, Bool) -> Void,
                getPeerVideo: @escaping (String, GroupVideoNode.Position) -> GroupVideoNode?
            ) {
                self.updateIsMuted = updateIsMuted
                self.switchToPeer = switchToPeer
                self.openInvite = openInvite
                self.peerContextAction = peerContextAction
                self.getPeerVideo = getPeerVideo
            }
            
            func getAudioLevel(_ peerId: PeerId) -> Signal<Float, NoError> {
                let signal: Signal<Float, NoError>
                if let current = self.audioLevels[peerId] {
                    signal = current.signal()
                } else {
                    let value = ValuePipe<Float>()
                    self.audioLevels[peerId] = value
                    signal = value.signal()
                }
                return signal
                |> mapToSignal { value in
                    return .single(value)
                }
            }
            
            func updateAudioLevels(_ levels: [(PeerId, UInt32, Float, Bool)], reset: Bool = false) {
                var updated = Set<PeerId>()
                for (peerId, _, level, _) in levels {
                    if let pipe = self.audioLevels[peerId] {
                        if reset {
                            pipe.putNext(level)
                        } else {
                            pipe.putNext(max(0.001, level))
                        }
                        updated.insert(peerId)
                    }
                }
                if !reset {
                    for (peerId, pipe) in self.audioLevels {
                        if !updated.contains(peerId) {
                            pipe.putNext(0.0)
                        }
                    }
                }
            }
        }
        
        private enum EntryId: Hashable {
            case tiles
            case invite
            case peerId(PeerId)
            
            static func <(lhs: EntryId, rhs: EntryId) -> Bool {
                return lhs.hashValue < rhs.hashValue
            }
            
            static func ==(lhs: EntryId, rhs: EntryId) -> Bool {
                switch lhs {
                    case .tiles:
                        switch rhs {
                            case .tiles:
                                return true
                            default:
                                return false
                        }
                    case .invite:
                        switch rhs {
                            case .invite:
                                return true
                            default:
                                return false
                        }
                    case let .peerId(lhsId):
                        switch rhs {
                            case let .peerId(rhsId):
                                return lhsId == rhsId
                            default:
                                return false
                        }
                }
            }
        }
        
        private enum ListEntry: Comparable, Identifiable {
            case tiles([VoiceChatTileItem], VoiceChatTileLayoutMode)
            case invite(PresentationTheme, PresentationStrings, String, Bool)
            case peer(VoiceChatPeerEntry, Int32)
            
            var stableId: EntryId {
                switch self {
                    case .tiles:
                        return .tiles
                    case .invite:
                        return .invite
                    case let .peer(peerEntry, _):
                        return .peerId(peerEntry.peer.id)
                }
            }
            
            static func ==(lhs: ListEntry, rhs: ListEntry) -> Bool {
                switch lhs {
                    case let .tiles(lhsTiles, lhsLayoutMode):
                        if case let .tiles(rhsTiles, rhsLayoutMode) = rhs, lhsTiles == rhsTiles, lhsLayoutMode == rhsLayoutMode {
                            return true
                        } else {
                            return false
                        }
                    case let .invite(lhsTheme, lhsStrings, lhsText, lhsIsLink):
                        if case let .invite(rhsTheme, rhsStrings, rhsText, rhsIsLink) = rhs, lhsTheme === rhsTheme, lhsStrings === rhsStrings, lhsText == rhsText, lhsIsLink == rhsIsLink {
                            return true
                        } else {
                            return false
                        }
                    case let .peer(lhsPeerEntry, lhsIndex):
                        switch rhs {
                            case let .peer(rhsPeerEntry, rhsIndex):
                                return lhsPeerEntry == rhsPeerEntry && lhsIndex == rhsIndex
                            default:
                                return false
                        }
                }
            }

            static func <(lhs: ListEntry, rhs: ListEntry) -> Bool {
                switch lhs {
                    case .tiles:
                        return true
                    case .invite:
                        return false
                    case let .peer(_, lhsIndex):
                        switch rhs {
                            case .tiles:
                                return false
                            case let .peer(_, rhsIndex):
                                return lhsIndex < rhsIndex
                            case .invite:
                                return true
                        }
                }
            }
            
            func tileItem(context: AccountContext, presentationData: PresentationData, interaction: Interaction, isTablet: Bool, videoEndpointId: String, videoReady: Bool, videoTimeouted: Bool, videoIsPaused: Bool, showAsPresentation: Bool, secondary: Bool) -> VoiceChatTileItem? {
                guard case let .peer(peerEntry, _) = self else {
                    return nil
                }
                let peer = peerEntry.peer
                
                let icon: VoiceChatTileItem.Icon
                var text: VoiceChatParticipantItem.ParticipantText
                var additionalText: VoiceChatParticipantItem.ParticipantText?
                var speaking = false
                                
                var textIcon = VoiceChatParticipantItem.ParticipantText.TextIcon()
                let yourText: String
                if (peerEntry.about?.isEmpty ?? true) && peer.smallProfileImage == nil {
                    yourText = presentationData.strings.VoiceChat_TapToAddPhotoOrBio
                } else if peer.smallProfileImage == nil {
                    yourText = presentationData.strings.VoiceChat_TapToAddPhoto
                } else if (peerEntry.about?.isEmpty ?? true) {
                    yourText = presentationData.strings.VoiceChat_TapToAddBio
                } else {
                    yourText = presentationData.strings.VoiceChat_You
                }
                
                var state = peerEntry.state
                if let muteState = peerEntry.muteState, case .speaking = state, muteState.mutedByYou || !muteState.canUnmute {
                    state = .listening
                }
                switch state {
                case .listening:
                    if peerEntry.isMyPeer {
                        text = .text(yourText, textIcon, .accent)
                    } else if let muteState = peerEntry.muteState, muteState.mutedByYou {
                        text = .text(presentationData.strings.VoiceChat_StatusMutedForYou, textIcon, .destructive)
                    } else if let about = peerEntry.about, !about.isEmpty {
                        text = .text(about, textIcon, .generic)
                    } else {
                        text = .text(presentationData.strings.VoiceChat_StatusListening, textIcon, .generic)
                    }
                    if let muteState = peerEntry.muteState, muteState.mutedByYou {
                        icon = .microphone(true)
                        additionalText = .text(presentationData.strings.VoiceChat_StatusMutedForYou, textIcon, .destructive)
                    } else {
                        icon = .microphone(peerEntry.muteState != nil)
                    }
                case .speaking:
                    if let muteState = peerEntry.muteState, muteState.mutedByYou {
                        text = .text(presentationData.strings.VoiceChat_StatusMutedForYou, textIcon, .destructive)
                        icon = .microphone(true)
                        additionalText = .text(presentationData.strings.VoiceChat_StatusMutedForYou, textIcon, .destructive)
                    } else {
                        if peerEntry.volume != nil {
                            textIcon.insert(.volume)
                        }
                        let volumeValue = peerEntry.volume.flatMap { $0 / 100 }
                        if let volume = volumeValue, volume != 100 {
                            text = .text( presentationData.strings.VoiceChat_StatusSpeakingVolume("\(volume)%").0, textIcon, .constructive)
                        } else {
                            text = .text(presentationData.strings.VoiceChat_StatusSpeaking, textIcon, .constructive)
                        }
                        icon = .microphone(false)
                        speaking = true
                    }
                case .raisedHand, .invited:
                    text = .none
                    icon = .none
                }
                
                if let about = peerEntry.about, !about.isEmpty {
                    textIcon = []
                    text = .text(about, textIcon, .generic)
                }
                
                return VoiceChatTileItem(account: context.account, peer: peerEntry.peer, videoEndpointId: videoEndpointId, videoReady: videoReady, videoTimeouted: videoTimeouted, isVideoLimit: false, videoLimit: 0, isPaused: videoIsPaused, isOwnScreencast: peerEntry.presentationEndpointId == videoEndpointId && peerEntry.isMyPeer, strings: presentationData.strings, nameDisplayOrder: presentationData.nameDisplayOrder, speaking: speaking, secondary: secondary, isTablet: isTablet, icon: showAsPresentation ? .presentation : icon, text: text, additionalText: additionalText, action: {
                    interaction.switchToPeer(peer.id, videoEndpointId, !secondary)
                }, contextAction: { node, gesture in
                    interaction.peerContextAction(peerEntry, node, gesture, false)
                }, getVideo: { position in
                    return interaction.getPeerVideo(videoEndpointId, position)
                }, getAudioLevel: {
                    return interaction.getAudioLevel(peerEntry.peer.id)
                })
            }
            
            func fullscreenItem(context: AccountContext, presentationData: PresentationData, interaction: Interaction) -> ListViewItem {
                switch self {
                    case .tiles:
                        return VoiceChatActionItem(presentationData: ItemListPresentationData(presentationData), title: "", icon: .none, action: {
                        })
                    case .invite:
                        return VoiceChatActionItem(presentationData: ItemListPresentationData(presentationData), title: "", icon: .generic(UIImage(bundleImageName: "Chat/Context Menu/AddUser")!), action: {
                            interaction.openInvite()
                        })
                    case let .peer(peerEntry, _):
                        let peer = peerEntry.peer
                        var textColor: VoiceChatFullscreenParticipantItem.Color = .generic
                        var color: VoiceChatFullscreenParticipantItem.Color = .generic
                        let icon: VoiceChatFullscreenParticipantItem.Icon
                        var text: VoiceChatParticipantItem.ParticipantText
                        
                        var textIcon = VoiceChatParticipantItem.ParticipantText.TextIcon()
                        let yourText: String
                        if (peerEntry.about?.isEmpty ?? true) && peer.smallProfileImage == nil {
                            yourText = presentationData.strings.VoiceChat_TapToAddPhotoOrBio
                        } else if peer.smallProfileImage == nil {
                            yourText = presentationData.strings.VoiceChat_TapToAddPhoto
                        } else if (peerEntry.about?.isEmpty ?? true) {
                            yourText = presentationData.strings.VoiceChat_TapToAddBio
                        } else {
                            yourText = presentationData.strings.VoiceChat_You
                        }
                            
                        var state = peerEntry.state
                        if let muteState = peerEntry.muteState, case .speaking = state, muteState.mutedByYou || !muteState.canUnmute {
                            state = .listening
                        }
                        switch state {
                        case .listening:
                            if peerEntry.isMyPeer {
                                text = .text(yourText, textIcon, .accent)
                            } else if let muteState = peerEntry.muteState, muteState.mutedByYou {
                                text = .text(presentationData.strings.VoiceChat_StatusMutedForYou, textIcon, .destructive)
                            } else if let about = peerEntry.about, !about.isEmpty {
                                text = .text(about, textIcon, .generic)
                            } else {
                                text = .text(presentationData.strings.VoiceChat_StatusListening, textIcon, .generic)
                            }
                            if let muteState = peerEntry.muteState, muteState.mutedByYou {
                                textColor = .destructive
                                color = .destructive
                                icon = .microphone(true, UIColor(rgb: 0xff3b30))
                            } else {
                                icon = .microphone(peerEntry.muteState != nil, UIColor.white)
                                color = .accent
                            }
                        case .speaking:
                            if let muteState = peerEntry.muteState, muteState.mutedByYou {
                                text = .text(presentationData.strings.VoiceChat_StatusMutedForYou, textIcon, .destructive)
                                textColor = .destructive
                                color = .destructive
                                icon = .microphone(true, UIColor(rgb: 0xff3b30))
                            } else {
                                if peerEntry.volume != nil {
                                    textIcon.insert(.volume)
                                }
                                let volumeValue = peerEntry.volume.flatMap { $0 / 100 }
                                if let volume = volumeValue, volume != 100 {
                                    text = .text( presentationData.strings.VoiceChat_StatusSpeakingVolume("\(volume)%").0, textIcon, .constructive)
                                } else {
                                    text = .text(presentationData.strings.VoiceChat_StatusSpeaking, textIcon, .constructive)
                                }
                                icon = .microphone(false, UIColor(rgb: 0x34c759))
                                textColor = .constructive
                                color = .constructive
                            }
                        case .raisedHand:
                            text = .none
                            textColor = .accent
                            icon = .wantsToSpeak
                        case .invited:
                            text = .none
                            icon = .none
                        }
                        
                        if let about = peerEntry.about, !about.isEmpty {
                            textIcon = []
                            text = .text(about, textIcon, .generic)
                        }
                        
                        var videoEndpointId = peerEntry.effectiveVideoEndpointId
                        var otherVideoEndpointId: String?
                        let hasBothVideos = peerEntry.presentationEndpointId != nil && peerEntry.videoEndpointId != nil
                        if hasBothVideos {
                            if let effectiveVideoEndpointId = peerEntry.effectiveSpeakerVideoEndpointId {
                                if effectiveVideoEndpointId == peerEntry.videoEndpointId {
                                    videoEndpointId = peerEntry.presentationEndpointId
                                    otherVideoEndpointId = videoEndpointId
                                } else if effectiveVideoEndpointId == peerEntry.presentationEndpointId {
                                    videoEndpointId = peerEntry.videoEndpointId
                                    otherVideoEndpointId = videoEndpointId
                                }
                            }
                        }
                        
                        var isPaused = false
                        if videoEndpointId == peerEntry.videoEndpointId {
                            isPaused = peerEntry.videoPaused
                        } else if videoEndpointId == peerEntry.presentationEndpointId {
                            isPaused = peerEntry.presentationPaused
                        }
                        
                        return VoiceChatFullscreenParticipantItem(presentationData: ItemListPresentationData(presentationData), nameDisplayOrder: presentationData.nameDisplayOrder, context: context, peer: peerEntry.peer, videoEndpointId: videoEndpointId, isPaused: isPaused, icon: icon, text: text, textColor: textColor, color: color, isLandscape: peerEntry.isLandscape, active: peerEntry.active, showVideoWhenActive: otherVideoEndpointId != nil, getAudioLevel: { return interaction.getAudioLevel(peerEntry.peer.id) }, getVideo: {
                            if let videoEndpointId = videoEndpointId {
                                return interaction.getPeerVideo(videoEndpointId, .list)
                            } else {
                                return nil
                            }
                        }, action: { _ in
                            interaction.switchToPeer(peerEntry.peer.id, otherVideoEndpointId, false)
                        }, contextAction: { node, gesture in
                            interaction.peerContextAction(peerEntry, node, gesture, true)
                        }, getUpdatingAvatar: {
                            return interaction.updateAvatarPromise.get()
                        })
                }
            }
            
            func item(context: AccountContext, presentationData: PresentationData, interaction: Interaction) -> ListViewItem {
                switch self {
                    case let .tiles(tiles, layoutMode):
                        return VoiceChatTilesGridItem(context: context, tiles: tiles, layoutMode: layoutMode, getIsExpanded: {
                            return interaction.isExpanded
                        })
                    case let .invite(_, _, text, isLink):
                        return VoiceChatActionItem(presentationData: ItemListPresentationData(presentationData), title: text, icon: .generic(UIImage(bundleImageName: isLink ? "Chat/Context Menu/Link" : "Chat/Context Menu/AddUser")!), action: {
                            interaction.openInvite()
                        })
                    case let .peer(peerEntry, _):
                        let peer = peerEntry.peer
                            
                        var text: VoiceChatParticipantItem.ParticipantText
                        var expandedText: VoiceChatParticipantItem.ParticipantText?
                        let icon: VoiceChatParticipantItem.Icon
                        
                        var state = peerEntry.state
                        if let muteState = peerEntry.muteState, case .speaking = state, muteState.mutedByYou || !muteState.canUnmute {
                            state = .listening
                        }
                        
                        var textIcon = VoiceChatParticipantItem.ParticipantText.TextIcon()
                        let yourText: String
                        if (peerEntry.about?.isEmpty ?? true) && peer.smallProfileImage == nil {
                            yourText = presentationData.strings.VoiceChat_TapToAddPhotoOrBio
                        } else if peer.smallProfileImage == nil {
                            yourText = presentationData.strings.VoiceChat_TapToAddPhoto
                        } else if (peerEntry.about?.isEmpty ?? true) {
                            yourText = presentationData.strings.VoiceChat_TapToAddBio
                        } else {
                            yourText = presentationData.strings.VoiceChat_You
                        }
                        
                        switch state {
                        case .listening:
                            if peerEntry.isMyPeer {
                                text = .text(yourText, textIcon, .accent)
                            } else if let muteState = peerEntry.muteState, muteState.mutedByYou {
                                text = .text(presentationData.strings.VoiceChat_StatusMutedForYou, textIcon, .destructive)
                            } else if let about = peerEntry.about, !about.isEmpty {
                                text = .text(about, textIcon, .generic)
                            } else {
                                text = .text(presentationData.strings.VoiceChat_StatusListening, textIcon, .generic)
                            }
                            let microphoneColor: UIColor
                            if let muteState = peerEntry.muteState, !muteState.canUnmute || muteState.mutedByYou {
                                microphoneColor = UIColor(rgb: 0xff3b30)
                            } else {
                                microphoneColor = UIColor(rgb: 0x979797)
                            }
                            icon = .microphone(peerEntry.muteState != nil, microphoneColor)
                        case .speaking:
                            if let muteState = peerEntry.muteState, muteState.mutedByYou {
                                text = .text(presentationData.strings.VoiceChat_StatusMutedForYou, textIcon, .destructive)
                                icon = .microphone(true, UIColor(rgb: 0xff3b30))
                            } else {
                                if peerEntry.volume != nil {
                                    textIcon.insert(.volume)
                                }
                                let volumeValue = peerEntry.volume.flatMap { $0 / 100 }
                                if let volume = volumeValue, volume != 100 {
                                    text = .text( presentationData.strings.VoiceChat_StatusSpeakingVolume("\(volume)%").0, textIcon, .constructive)
                                } else {
                                    text = .text(presentationData.strings.VoiceChat_StatusSpeaking, textIcon, .constructive)
                                }
                                icon = .microphone(false, UIColor(rgb: 0x34c759))
                            }
                        case .invited:
                            text = .text(presentationData.strings.VoiceChat_StatusInvited, textIcon, .generic)
                            icon = .invite(true)
                        case .raisedHand:
                            if peerEntry.isMyPeer && !peerEntry.displayRaisedHandStatus {
                                text = .text(yourText, textIcon, .accent)
                            } else if let about = peerEntry.about, !about.isEmpty && !peerEntry.displayRaisedHandStatus {
                                text = .text(about, textIcon, .generic)
                            } else {
                                text = .text(presentationData.strings.VoiceChat_StatusWantsToSpeak, textIcon, .accent)
                            }
                            icon = .wantsToSpeak
                        }
                        
                        if let about = peerEntry.about, !about.isEmpty {
                            textIcon = []
                            expandedText = .text(about, textIcon, .generic)
                        }
                                                                        
                        return VoiceChatParticipantItem(presentationData: ItemListPresentationData(presentationData), dateTimeFormat: presentationData.dateTimeFormat, nameDisplayOrder: presentationData.nameDisplayOrder, context: context, peer: peer, text: text, expandedText: expandedText, icon: icon, getAudioLevel: { return interaction.getAudioLevel(peer.id) }, action: { node in
                            if let node = node {
                                interaction.peerContextAction(peerEntry, node, nil, false)
                            }
                        }, contextAction: { node, gesture in
                            interaction.peerContextAction(peerEntry, node, gesture, false)
                        }, getIsExpanded: {
                            return interaction.isExpanded
                        }, getUpdatingAvatar: {
                            return interaction.updateAvatarPromise.get()
                        })
                }
            }
        }
        
        private func preparedTransition(from fromEntries: [ListEntry], to toEntries: [ListEntry], isLoading: Bool, isEmpty: Bool, canInvite: Bool, crossFade: Bool, animated: Bool, context: AccountContext, presentationData: PresentationData, interaction: Interaction) -> ListTransition {
            let (deleteIndices, indicesAndItems, updateIndices) = mergeListsStableWithUpdates(leftList: fromEntries, rightList: toEntries)
            
            let deletions = deleteIndices.map { ListViewDeleteItem(index: $0, directionHint: nil) }
            let insertions = indicesAndItems.map { ListViewInsertItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(context: context, presentationData: presentationData, interaction: interaction), directionHint: nil) }
            let updates = updateIndices.map { ListViewUpdateItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(context: context, presentationData: presentationData, interaction: interaction), directionHint: nil) }
            
            return ListTransition(deletions: deletions, insertions: insertions, updates: updates, isLoading: isLoading, isEmpty: isEmpty, canInvite: canInvite, crossFade: crossFade, count: toEntries.count, animated: animated)
        }
        
        private func preparedFullscreenTransition(from fromEntries: [ListEntry], to toEntries: [ListEntry], isLoading: Bool, isEmpty: Bool, canInvite: Bool, crossFade: Bool, animated: Bool, context: AccountContext, presentationData: PresentationData, interaction: Interaction) -> ListTransition {
            let (deleteIndices, indicesAndItems, updateIndices) = mergeListsStableWithUpdates(leftList: fromEntries, rightList: toEntries)
            
            let deletions = deleteIndices.map { ListViewDeleteItem(index: $0, directionHint: nil) }
            let insertions = indicesAndItems.map { ListViewInsertItem(index: $0.0, previousIndex: $0.2, item: $0.1.fullscreenItem(context: context, presentationData: presentationData, interaction: interaction), directionHint: nil) }
            let updates = updateIndices.map { ListViewUpdateItem(index: $0.0, previousIndex: $0.2, item: $0.1.fullscreenItem(context: context, presentationData: presentationData, interaction: interaction), directionHint: nil) }
            
            return ListTransition(deletions: deletions, insertions: insertions, updates: updates, isLoading: isLoading, isEmpty: isEmpty, canInvite: canInvite, crossFade: crossFade, count: toEntries.count, animated: animated)
        }
        
        private let currentAvatarMixin = Atomic<TGMediaAvatarMenuMixin?>(value: nil)
        
        private var configuration: VoiceChatConfiguration?
        
        private weak var controller: VoiceChatController?
        private let sharedContext: SharedAccountContext
        private let context: AccountContext
        private let call: PresentationGroupCall
        private var presentationData: PresentationData
        private var presentationDataDisposable: Disposable?
        private var darkTheme: PresentationTheme
        
        private let dimNode: ASDisplayNode
        private let contentContainer: ASDisplayNode
        private let backgroundNode: ASDisplayNode
        private let listContainer: ASDisplayNode
        private let listNode: ListView
        private let fullscreenListContainer: ASDisplayNode
        private let fullscreenListNode: ListView
        private let tileGridNode: VoiceChatTileGridNode
        private let topPanelNode: ASDisplayNode
        private let topPanelEdgeNode: ASDisplayNode
        private let topPanelBackgroundNode: ASDisplayNode
        private let optionsButton: VoiceChatHeaderButton
        private let closeButton: VoiceChatHeaderButton
        private let panelButton: VoiceChatHeaderButton
        private let topCornersNode: ASImageNode
        fileprivate let bottomPanelNode: ASDisplayNode
        private let bottomGradientNode: ASDisplayNode
        private let bottomPanelBackgroundNode: ASDisplayNode
        private let bottomCornersNode: ASImageNode
        fileprivate let audioButton: CallControllerButtonItemNode
        fileprivate let cameraButton: CallControllerButtonItemNode
        fileprivate let switchCameraButton: CallControllerButtonItemNode
        fileprivate let leaveButton: CallControllerButtonItemNode
        fileprivate let actionButton: VoiceChatActionButton
        private let leftBorderNode: ASDisplayNode
        private let rightBorderNode: ASDisplayNode
        private let mainStageContainerNode: ASDisplayNode
        private let mainStageBackgroundNode: ASDisplayNode
        private let mainStageNode: VoiceChatMainStageNode
       
        private let transitionMaskView: UIView
        private let transitionMaskTopFillLayer: CALayer
        private let transitionMaskFillLayer: CALayer
        private let transitionMaskGradientLayer: CAGradientLayer
        private let transitionMaskBottomFillLayer: CALayer
        private let transitionContainerNode: ASDisplayNode
        
        private var isScheduling = false
        private let timerNode: VoiceChatTimerNode
        private var pickerView: UIDatePicker?
        private let dateFormatter: DateFormatter
        private let scheduleTextNode: ImmediateTextNode
        private let scheduleCancelButton: SolidRoundedButtonNode
        private var scheduleButtonTitle = ""
        
        private let titleNode: VoiceChatTitleNode
        
        private var enqueuedTransitions: [ListTransition] = []
        private var enqueuedFullscreenTransitions: [ListTransition] = []
        
        private var validLayout: (ContainerViewLayout, CGFloat)?
        private var didSetContentsReady: Bool = false
        private var didSetDataReady: Bool = false
        
        private var isFirstTime = true
        private var topInset: CGFloat?
        
        private var animatingInsertion = false
        private var animatingExpansion = false
        private var animatingAppearance = false
        private var animatingButtonsSwap = false
        private var animatingMainStage = false
        private var animatingContextMenu = false
        private var panGestureArguments: (topInset: CGFloat, offset: CGFloat)?
        private var isPanning = false
        
        private var peer: Peer?
        private var currentTitle: String = ""
        private var currentTitleIsCustom = false
        private var currentSubtitle: String = ""
        private var currentSpeakingSubtitle: String?
        private var currentCallMembers: ([GroupCallParticipantsContext.Participant], String?)?
        private var currentInvitedPeers: [Peer]?
        private var currentSpeakingPeers: Set<PeerId>?
        private var currentContentOffset: CGFloat?
        private var currentNormalButtonColor: UIColor?
        private var currentActiveButtonColor: UIColor?
        
        private var myEntry: VoiceChatPeerEntry?
        private var mainEntry: VoiceChatPeerEntry?
        private var currentEntries: [ListEntry] = []
        private var currentFullscreenEntries: [ListEntry] = []
        private var currentTileItems: [VoiceChatTileItem] = []
        private var displayPanelVideos = false
        private var joinedVideo: Bool?
        
        private var peerViewDisposable: Disposable?
        private let leaveDisposable = MetaDisposable()
        
        private var isMutedDisposable: Disposable?
        private var isNoiseSuppressionEnabled: Bool = true
        private var isNoiseSuppressionEnabledDisposable: Disposable?
        private var callStateDisposable: Disposable?
        
        private var pushingToTalk = false
        private var temporaryPushingToTalk = false
        private let hapticFeedback = HapticFeedback()
        
        private var callState: PresentationGroupCallState?
        
        private var currentLoadToken: String?
        
        private var effectiveMuteState: GroupCallParticipantsContext.Participant.MuteState? {
            if self.pushingToTalk {
                return nil
            } else {
                return self.callState?.muteState
            }
        }
        
        private var audioOutputStateDisposable: Disposable?
        private var audioOutputState: ([AudioSessionOutput], AudioSessionOutput?)?
        
        private var audioLevelsDisposable: Disposable?
        private var myAudioLevelDisposable: Disposable?
        private var isSpeakingDisposable: Disposable?
        private var memberStatesDisposable: Disposable?
        private var actionButtonColorDisposable: Disposable?
        
        private var itemInteraction: Interaction?
                
        private let inviteDisposable = MetaDisposable()
        private let memberEventsDisposable = MetaDisposable()
        private let reconnectedAsEventsDisposable = MetaDisposable()
        private let stateVersionDisposable = MetaDisposable()
        private var applicationStateDisposable: Disposable?
        
        private let displayAsPeersPromise = Promise<[FoundPeer]>([])
        private let inviteLinksPromise = Promise<GroupCallInviteLinks?>(nil)
        
        private var raisedHandDisplayDisposables: [PeerId: Disposable] = [:]
        private var displayedRaisedHands = Set<PeerId>() {
            didSet {
                self.displayedRaisedHandsPromise.set(self.displayedRaisedHands)
            }
        }
        private let displayedRaisedHandsPromise = ValuePromise<Set<PeerId>>(Set())
        
        private var requestedVideoSources = Set<String>()
        private var requestedVideoChannels: [PresentationGroupCallRequestedVideo] = []

        private var videoNodes: [String: GroupVideoNode] = [:]
        private var wideVideoNodes = Set<String>()
        private var videoOrder: [String] = []
        private var readyVideoEndpointIds = Set<String>()
        private var readyVideoEndpointIdsPromise = ValuePromise<Set<String>>(Set())
        private var timeoutedEndpointIds = Set<String>()
        private var readyVideoDisposables = DisposableDict<String>()
        private var myPeerVideoReadyDisposable = MetaDisposable()
        
        private var peerIdToEndpointId: [PeerId: String] = [:]
                
        private var currentSpeakers: [PeerId] = []
        private var currentDominantSpeaker: (PeerId, String?, Double)?
        private var currentForcedSpeaker: (PeerId, String?)?
        private var effectiveSpeaker: (PeerId, String?, Bool, Bool, Bool)?
        
        private var updateAvatarDisposable = MetaDisposable()
        private let updateAvatarPromise = Promise<(TelegramMediaImageRepresentation, Float)?>(nil)
        private var currentUpdatingAvatar: TelegramMediaImageRepresentation?
        
        private var connectedOnce = false
        private var ignoreConnecting = false
        private var ignoreConnectingTimer: SwiftSignalKit.Timer?
        
        private var displayUnmuteTooltipTimer: SwiftSignalKit.Timer?
        private var dismissUnmuteTooltipTimer: SwiftSignalKit.Timer?
        private var lastUnmuteTooltipDisplayTimestamp: Double?
        
        private var panelHidden = false
        private var displayMode: DisplayMode = .modal(isExpanded: false, isFilled: false) {
            didSet {
                if case let .modal(isExpanded, _) = self.displayMode {
                    self.itemInteraction?.isExpanded = isExpanded
                } else {
                    self.itemInteraction?.isExpanded = true
                }
            }
        }
                
        private var isExpanded: Bool {
            switch self.displayMode {
                case .modal(true, _), .fullscreen:
                    return true
                default:
                    return false
            }
        }
        
        init(controller: VoiceChatController, sharedContext: SharedAccountContext, call: PresentationGroupCall) {
            self.controller = controller
            self.sharedContext = sharedContext
            self.context = call.accountContext
            self.call = call
            
            self.isScheduling = call.schedulePending
                        
            let presentationData = sharedContext.currentPresentationData.with { $0 }
            self.presentationData = presentationData
            
            self.darkTheme = defaultDarkColorPresentationTheme
            self.currentSubtitle = self.presentationData.strings.SocksProxySetup_ProxyStatusConnecting
            
            self.dimNode = ASDisplayNode()
            self.dimNode.backgroundColor = UIColor(white: 0.0, alpha: 0.5)
            
            self.contentContainer = ASDisplayNode()
            self.contentContainer.isHidden = true
            
            self.backgroundNode = ASDisplayNode()
            self.backgroundNode.backgroundColor = self.isScheduling ? panelBackgroundColor : secondaryPanelBackgroundColor
            self.backgroundNode.clipsToBounds = false
            
            self.listContainer = ASDisplayNode()
            
            self.listNode = ListView()
            self.listNode.alpha = self.isScheduling ? 0.0 : 1.0
            self.listNode.isUserInteractionEnabled = !self.isScheduling
            self.listNode.verticalScrollIndicatorColor = UIColor(white: 1.0, alpha: 0.3)
            self.listNode.clipsToBounds = true
            self.listNode.scroller.bounces = false
            self.listNode.accessibilityPageScrolledString = { row, count in
                return presentationData.strings.VoiceOver_ScrollStatus(row, count).0
            }
            
            self.fullscreenListContainer = ASDisplayNode()
            self.fullscreenListContainer.isHidden = true
            
            self.fullscreenListNode = ListView()
            self.fullscreenListNode.transform = CATransform3DMakeRotation(-CGFloat(CGFloat.pi / 2.0), 0.0, 0.0, 1.0)
            self.fullscreenListNode.clipsToBounds = true
            self.fullscreenListNode.accessibilityPageScrolledString = { row, count in
                return presentationData.strings.VoiceOver_ScrollStatus(row, count).0
            }
            
            self.tileGridNode = VoiceChatTileGridNode(context: self.context)
            
            self.topPanelNode = ASDisplayNode()
            self.topPanelNode.clipsToBounds = false
            
            self.topPanelBackgroundNode = ASDisplayNode()
            self.topPanelBackgroundNode.backgroundColor = panelBackgroundColor
            self.topPanelBackgroundNode.isUserInteractionEnabled = false
            
            self.topPanelEdgeNode = ASDisplayNode()
            self.topPanelEdgeNode.backgroundColor = panelBackgroundColor
            self.topPanelEdgeNode.cornerRadius = 12.0
            self.topPanelEdgeNode.isUserInteractionEnabled = false
            if #available(iOS 11.0, *) {
                self.topPanelEdgeNode.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
            }
            
            self.optionsButton = VoiceChatHeaderButton(context: self.context)
            self.optionsButton.setContent(.more(optionsCircleImage(dark: false)))
            self.closeButton = VoiceChatHeaderButton(context: self.context)
            self.closeButton.setContent(.image(closeButtonImage(dark: false)))
            self.panelButton = VoiceChatHeaderButton(context: self.context, wide: true)
            self.panelButton.setContent(.image(panelButtonImage(dark: false)))
            
            self.titleNode = VoiceChatTitleNode(theme: self.presentationData.theme)
            
            self.topCornersNode = ASImageNode()
            self.topCornersNode.displaysAsynchronously = false
            self.topCornersNode.displayWithoutProcessing = true
            self.topCornersNode.image = decorationTopCornersImage(dark: false)
            self.topCornersNode.isUserInteractionEnabled = false
                
            self.bottomPanelNode = ASDisplayNode()
            self.bottomPanelNode.clipsToBounds = false
            
            self.bottomPanelBackgroundNode = ASDisplayNode()
            self.bottomPanelBackgroundNode.backgroundColor = panelBackgroundColor
            self.bottomPanelBackgroundNode.isUserInteractionEnabled = false
            
            self.bottomGradientNode = ASDisplayNode()
            self.bottomGradientNode.displaysAsynchronously = false
            self.bottomGradientNode.backgroundColor = decorationBottomGradientImage(dark: false).flatMap { UIColor(patternImage: $0) }
            
            self.bottomCornersNode = ASImageNode()
            self.bottomCornersNode.displaysAsynchronously = false
            self.bottomCornersNode.displayWithoutProcessing = true
            self.bottomCornersNode.image = decorationBottomCornersImage(dark: false)
            self.bottomCornersNode.isUserInteractionEnabled = false
            
            self.audioButton = CallControllerButtonItemNode()
            self.cameraButton = CallControllerButtonItemNode(largeButtonSize: sideButtonSize.width)
            self.switchCameraButton = CallControllerButtonItemNode()
            self.switchCameraButton.alpha = 0.0
            self.switchCameraButton.isUserInteractionEnabled = false
            self.leaveButton = CallControllerButtonItemNode()
            self.actionButton = VoiceChatActionButton()
            
            if self.isScheduling {
                self.cameraButton.alpha = 0.0
                self.cameraButton.isUserInteractionEnabled = false
                self.audioButton.alpha = 0.0
                self.audioButton.isUserInteractionEnabled = false
                self.leaveButton.alpha = 0.0
                self.leaveButton.isUserInteractionEnabled = false
            }

            self.leftBorderNode = ASDisplayNode()
            self.leftBorderNode.backgroundColor = panelBackgroundColor
            self.leftBorderNode.isUserInteractionEnabled = false
            self.leftBorderNode.clipsToBounds = false
            
            self.rightBorderNode = ASDisplayNode()
            self.rightBorderNode.backgroundColor = panelBackgroundColor
            self.rightBorderNode.isUserInteractionEnabled = false
            self.rightBorderNode.clipsToBounds = false
            
            self.mainStageContainerNode = ASDisplayNode()
            self.mainStageContainerNode.clipsToBounds = true
            self.mainStageContainerNode.isUserInteractionEnabled = false
            self.mainStageContainerNode.isHidden = true
            
            self.mainStageBackgroundNode = ASDisplayNode()
            self.mainStageBackgroundNode.backgroundColor = .black
            self.mainStageBackgroundNode.alpha = 0.0
            self.mainStageBackgroundNode.isUserInteractionEnabled = false
            
            self.mainStageNode = VoiceChatMainStageNode(context: self.context, call: self.call)
            
            self.transitionMaskView = UIView()
            self.transitionMaskTopFillLayer = CALayer()
            self.transitionMaskTopFillLayer.backgroundColor = UIColor.white.cgColor
            self.transitionMaskTopFillLayer.opacity = 0.0
            
            self.transitionMaskFillLayer = CALayer()
            self.transitionMaskFillLayer.backgroundColor = UIColor.white.cgColor
                        
            self.transitionMaskGradientLayer = CAGradientLayer()
            self.transitionMaskGradientLayer.colors = [UIColor.white.cgColor, UIColor.white.withAlphaComponent(0.0).cgColor]
            self.transitionMaskGradientLayer.locations = [0.0, 1.0]
            self.transitionMaskGradientLayer.startPoint = CGPoint(x: 0.0, y: 0.0)
            self.transitionMaskGradientLayer.endPoint = CGPoint(x: 0.0, y: 1.0)
            
            self.transitionMaskBottomFillLayer = CALayer()
            self.transitionMaskBottomFillLayer.backgroundColor = UIColor.white.cgColor
            self.transitionMaskBottomFillLayer.opacity = 0.0
            
            self.transitionMaskView.layer.addSublayer(self.transitionMaskTopFillLayer)
            self.transitionMaskView.layer.addSublayer(self.transitionMaskFillLayer)
            self.transitionMaskView.layer.addSublayer(self.transitionMaskGradientLayer)
            self.transitionMaskView.layer.addSublayer(self.transitionMaskBottomFillLayer)
            
            self.transitionContainerNode = ASDisplayNode()
            self.transitionContainerNode.clipsToBounds = true
            self.transitionContainerNode.isUserInteractionEnabled = false
            self.transitionContainerNode.view.mask = self.transitionMaskView
//            self.transitionContainerNode.view.addSubview(self.transitionMaskView)
            
            self.scheduleTextNode = ImmediateTextNode()
            self.scheduleTextNode.isHidden = !self.isScheduling
            self.scheduleTextNode.isUserInteractionEnabled = false
            self.scheduleTextNode.textAlignment = .center
            self.scheduleTextNode.maximumNumberOfLines = 4
            
            self.scheduleCancelButton = SolidRoundedButtonNode(title: self.presentationData.strings.Common_Cancel, theme: SolidRoundedButtonTheme(backgroundColor:  UIColor(rgb: 0x2b2b2f), foregroundColor: .white), height: 52.0, cornerRadius: 10.0)
            self.scheduleCancelButton.isHidden = !self.isScheduling
            
            self.dateFormatter = DateFormatter()
            self.dateFormatter.timeStyle = .none
            self.dateFormatter.dateStyle = .short
            self.dateFormatter.timeZone = TimeZone.current
            
            self.timerNode = VoiceChatTimerNode(strings: self.presentationData.strings, dateTimeFormat: self.presentationData.dateTimeFormat)
            self.timerNode.isHidden = true
            
            super.init()
            
            let context = self.context
            let currentAccountPeer = self.context.account.postbox.loadedPeerWithId(context.account.peerId)
            |> map { peer in
                return [FoundPeer(peer: peer, subscribers: nil)]
            }

            self.isNoiseSuppressionEnabledDisposable = (call.isNoiseSuppressionEnabled
            |> deliverOnMainQueue).start(next: { [weak self] value in
                guard let strongSelf = self else {
                    return
                }
                strongSelf.isNoiseSuppressionEnabled = value
            })
            
            let displayAsPeers: Signal<[FoundPeer], NoError> = currentAccountPeer
            |> then(
                combineLatest(currentAccountPeer, cachedGroupCallDisplayAsAvailablePeers(account: context.account, peerId: call.peerId))
                |> map { currentAccountPeer, availablePeers -> [FoundPeer] in
                    var result = currentAccountPeer
                    result.append(contentsOf: availablePeers)
                    return result
                }
            )
            self.displayAsPeersPromise.set(displayAsPeers)

            self.inviteLinksPromise.set(.single(nil)
            |> then(call.inviteLinks))
            
            self.itemInteraction = Interaction(updateIsMuted: { [weak self] peerId, isMuted in
                let _ = self?.call.updateMuteState(peerId: peerId, isMuted: isMuted)
            }, switchToPeer: { [weak self] peerId, videoEndpointId, expand in
                if let strongSelf = self, strongSelf.connectedOnce {
                    if expand, let videoEndpointId = videoEndpointId {
                        strongSelf.currentDominantSpeaker = (peerId, videoEndpointId, CACurrentMediaTime() + 3.0)
                        strongSelf.updateDisplayMode(.fullscreen(controlsHidden: false))
                    } else {
                        strongSelf.currentForcedSpeaker = nil
                        if peerId != strongSelf.currentDominantSpeaker?.0 || (videoEndpointId != nil && videoEndpointId != strongSelf.currentDominantSpeaker?.1) {
                            strongSelf.currentDominantSpeaker = (peerId, videoEndpointId, CACurrentMediaTime())
                        }
                        strongSelf.updateMainVideo(waitForFullSize: true, updateMembers: true, force: true)
                    }
                }
            }, openInvite: { [weak self] in
                guard let strongSelf = self else {
                    return
                }
                
                let groupPeerId = strongSelf.call.peerId
                let groupPeer = strongSelf.context.account.postbox.transaction { transaction -> Peer? in
                    return transaction.getPeer(groupPeerId)
                }
                
                let _ = combineLatest(queue: Queue.mainQueue(), groupPeer, strongSelf.inviteLinksPromise.get() |> take(1)).start(next: { groupPeer, inviteLinks in
                    guard let strongSelf = self else {
                        return
                    }
                    guard let groupPeer = groupPeer else {
                        return
                    }
                    
                    if let groupPeer = groupPeer as? TelegramChannel {
                        var canInviteMembers = true
                        if case .broadcast = groupPeer.info, !(groupPeer.addressName?.isEmpty ?? true) {
                            canInviteMembers = false
                        }
                        if !canInviteMembers {
                            if let inviteLinks = inviteLinks {
                                strongSelf.presentShare(inviteLinks)
                            }
                            return
                        }
                    }
                    
                    var filters: [ChannelMembersSearchFilter] = []
                    if let (currentCallMembers, _) = strongSelf.currentCallMembers {
                        filters.append(.disable(Array(currentCallMembers.map { $0.peer.id })))
                    }
                    if let groupPeer = groupPeer as? TelegramChannel {
                        if !groupPeer.hasPermission(.inviteMembers) && inviteLinks?.listenerLink == nil {
                            filters.append(.excludeNonMembers)
                        }
                    } else if let groupPeer = groupPeer as? TelegramGroup {
                        if groupPeer.hasBannedPermission(.banAddMembers) {
                            filters.append(.excludeNonMembers)
                        }
                    }
                    filters.append(.excludeBots)
                    
                    var dismissController: (() -> Void)?
                    let controller = ChannelMembersSearchController(context: strongSelf.context, peerId: groupPeer.id, forceTheme: strongSelf.darkTheme, mode: .inviteToCall, filters: filters, openPeer: { peer, participant in
                        guard let strongSelf = self else {
                            dismissController?()
                            return
                        }
                        
                        let presentationData = strongSelf.context.sharedContext.currentPresentationData.with { $0 }
                        if peer.id == strongSelf.callState?.myPeerId {
                            return
                        }
                        if let participant = participant {
                            dismissController?()
                            
                            if strongSelf.call.invitePeer(participant.peer.id) {
                                strongSelf.presentUndoOverlay(content: .invitedToVoiceChat(context: strongSelf.context, peer: participant.peer, text: strongSelf.presentationData.strings.VoiceChat_InvitedPeerText(peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)).0), action: { _ in return false })
                            }
                        } else {
                            if let groupPeer = groupPeer as? TelegramChannel, let listenerLink = inviteLinks?.listenerLink, !groupPeer.hasPermission(.inviteMembers) {
                                let text = strongSelf.presentationData.strings.VoiceChat_SendPublicLinkText(peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder), groupPeer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)).0
                                
                                strongSelf.controller?.present(textAlertController(context: strongSelf.context, forceTheme: strongSelf.darkTheme, title: nil, text: text, actions: [TextAlertAction(type: .genericAction, title: presentationData.strings.Common_Cancel, action: {}), TextAlertAction(type: .defaultAction, title: presentationData.strings.VoiceChat_SendPublicLinkSend, action: { [weak self] in
                                    dismissController?()
                                    
                                    if let strongSelf = self {
                                        let _ = (enqueueMessages(account: strongSelf.context.account, peerId: peer.id, messages: [.message(text: listenerLink, attributes: [], mediaReference: nil, replyToMessageId: nil, localGroupingKey: nil, correlationId: nil)])
                                        |> deliverOnMainQueue).start(next: { [weak self] _ in
                                            if let strongSelf = self {
                                                strongSelf.presentUndoOverlay(content: .forward(savedMessages: false, text: strongSelf.presentationData.strings.UserInfo_LinkForwardTooltip_Chat_One(peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)).0), action: { _ in return true })
                                            }
                                        })
                                    }
                                })]), in: .window(.root))
                            } else {
                                let text: String
                                if let groupPeer = groupPeer as? TelegramChannel, case .broadcast = groupPeer.info {
                                    text = strongSelf.presentationData.strings.VoiceChat_InviteMemberToChannelFirstText(peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder), groupPeer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)).0
                                } else {
                                    text = strongSelf.presentationData.strings.VoiceChat_InviteMemberToGroupFirstText(peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder), groupPeer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)).0
                                }
                                
                                strongSelf.controller?.present(textAlertController(context: strongSelf.context, forceTheme: strongSelf.darkTheme, title: nil, text: text, actions: [TextAlertAction(type: .genericAction, title: presentationData.strings.Common_Cancel, action: {}), TextAlertAction(type: .defaultAction, title: presentationData.strings.VoiceChat_InviteMemberToGroupFirstAdd, action: {
                                    guard let strongSelf = self else {
                                        return
                                    }
                                    
                                    if let groupPeer = groupPeer as? TelegramChannel {
                                        let selfController = strongSelf.controller
                                        let inviteDisposable = strongSelf.inviteDisposable
                                        var inviteSignal = strongSelf.context.peerChannelMemberCategoriesContextsManager.addMembers(account: strongSelf.context.account, peerId: groupPeer.id, memberIds: [peer.id])
                                        var cancelImpl: (() -> Void)?
                                        let progressSignal = Signal<Never, NoError> { [weak selfController] subscriber in
                                            let controller = OverlayStatusController(theme: presentationData.theme, type: .loading(cancelled: {
                                                cancelImpl?()
                                            }))
                                            selfController?.present(controller, in: .window(.root))
                                            return ActionDisposable { [weak controller] in
                                                Queue.mainQueue().async() {
                                                    controller?.dismiss()
                                                }
                                            }
                                        }
                                        |> runOn(Queue.mainQueue())
                                        |> delay(0.15, queue: Queue.mainQueue())
                                        let progressDisposable = progressSignal.start()
                                        
                                        inviteSignal = inviteSignal
                                        |> afterDisposed {
                                            Queue.mainQueue().async {
                                                progressDisposable.dispose()
                                            }
                                        }
                                        cancelImpl = {
                                            inviteDisposable.set(nil)
                                        }
                                        
                                        inviteDisposable.set((inviteSignal |> deliverOnMainQueue).start(error: { error in
                                            dismissController?()
                                            guard let strongSelf = self else {
                                                return
                                            }
                                            let presentationData = strongSelf.context.sharedContext.currentPresentationData.with { $0 }
                                            
                                            let text: String
                                            switch error {
                                                case .limitExceeded:
                                                    text = presentationData.strings.Channel_ErrorAddTooMuch
                                                case .tooMuchJoined:
                                                    text = presentationData.strings.Invite_ChannelsTooMuch
                                                case .generic:
                                                    text = presentationData.strings.Login_UnknownError
                                                case .restricted:
                                                    text = presentationData.strings.Channel_ErrorAddBlocked
                                                case .notMutualContact:
                                                    if case .broadcast = groupPeer.info {
                                                        text = presentationData.strings.Channel_AddUserLeftError
                                                    } else {
                                                        text = presentationData.strings.GroupInfo_AddUserLeftError
                                                    }
                                                case .botDoesntSupportGroups:
                                                    text = presentationData.strings.Channel_BotDoesntSupportGroups
                                                case .tooMuchBots:
                                                    text = presentationData.strings.Channel_TooMuchBots
                                                case .bot:
                                                    text = presentationData.strings.Login_UnknownError
                                            }
                                            strongSelf.controller?.present(textAlertController(context: strongSelf.context, forceTheme: strongSelf.darkTheme, title: nil, text: text, actions: [TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_OK, action: {})]), in: .window(.root))
                                        }, completed: {
                                            guard let strongSelf = self else {
                                                dismissController?()
                                                return
                                            }
                                            dismissController?()
                                            
                                            if strongSelf.call.invitePeer(peer.id) {
                                                strongSelf.presentUndoOverlay(content: .invitedToVoiceChat(context: strongSelf.context, peer: peer, text: strongSelf.presentationData.strings.VoiceChat_InvitedPeerText(peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)).0), action: { _ in return false })
                                            }
                                        }))
                                    } else if let groupPeer = groupPeer as? TelegramGroup {
                                        let selfController = strongSelf.controller
                                        let inviteDisposable = strongSelf.inviteDisposable
                                        var inviteSignal = addGroupMember(account: strongSelf.context.account, peerId: groupPeer.id, memberId: peer.id)
                                        var cancelImpl: (() -> Void)?
                                        let progressSignal = Signal<Never, NoError> { [weak selfController] subscriber in
                                            let controller = OverlayStatusController(theme: presentationData.theme, type: .loading(cancelled: {
                                                cancelImpl?()
                                            }))
                                            selfController?.present(controller, in: .window(.root))
                                            return ActionDisposable { [weak controller] in
                                                Queue.mainQueue().async() {
                                                    controller?.dismiss()
                                                }
                                            }
                                        }
                                        |> runOn(Queue.mainQueue())
                                        |> delay(0.15, queue: Queue.mainQueue())
                                        let progressDisposable = progressSignal.start()
                                        
                                        inviteSignal = inviteSignal
                                        |> afterDisposed {
                                            Queue.mainQueue().async {
                                                progressDisposable.dispose()
                                            }
                                        }
                                        cancelImpl = {
                                            inviteDisposable.set(nil)
                                        }
                                        
                                        inviteDisposable.set((inviteSignal |> deliverOnMainQueue).start(error: { error in
                                            dismissController?()
                                            guard let strongSelf = self else {
                                                return
                                            }
                                            let context = strongSelf.context
                                            let presentationData = strongSelf.context.sharedContext.currentPresentationData.with { $0 }
                                            
                                            switch error {
                                            case .privacy:
                                                let _ = (strongSelf.context.account.postbox.loadedPeerWithId(peer.id)
                                                |> deliverOnMainQueue).start(next: { peer in
                                                    self?.controller?.present(textAlertController(context: context, title: nil, text: presentationData.strings.Privacy_GroupsAndChannels_InviteToGroupError(peer.compactDisplayTitle, peer.compactDisplayTitle).0, actions: [TextAlertAction(type: .genericAction, title: presentationData.strings.Common_OK, action: {})]), in: .window(.root))
                                                })
                                            case .notMutualContact:
                                                strongSelf.controller?.present(textAlertController(context: context, title: nil, text: presentationData.strings.GroupInfo_AddUserLeftError, actions: [TextAlertAction(type: .genericAction, title: presentationData.strings.Common_OK, action: {})]), in: .window(.root))
                                            case .tooManyChannels:
                                                strongSelf.controller?.present(textAlertController(context: context, title: nil, text: presentationData.strings.Invite_ChannelsTooMuch, actions: [TextAlertAction(type: .genericAction, title: presentationData.strings.Common_OK, action: {})]), in: .window(.root))
                                            case .groupFull, .generic:
                                                strongSelf.controller?.present(textAlertController(context: strongSelf.context, forceTheme: strongSelf.darkTheme, title: nil, text: presentationData.strings.Login_UnknownError, actions: [TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_OK, action: {})]), in: .window(.root))
                                            }
                                        }, completed: {
                                            guard let strongSelf = self else {
                                                dismissController?()
                                                return
                                            }
                                            dismissController?()
                                            
                                            if strongSelf.call.invitePeer(peer.id) {
                                                strongSelf.presentUndoOverlay(content: .invitedToVoiceChat(context: strongSelf.context, peer: peer, text: strongSelf.presentationData.strings.VoiceChat_InvitedPeerText(peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)).0), action: { _ in return false })
                                            }
                                        }))
                                    }
                                })]), in: .window(.root))
                            }
                        }
                    })
                    controller.copyInviteLink = {
                        dismissController?()
                        
                        guard let strongSelf = self else {
                            return
                        }
                        let callPeerId = strongSelf.call.peerId
                        
                        let _ = (strongSelf.context.account.postbox.transaction { transaction -> String? in
                            if let link = inviteLinks?.listenerLink {
                                return link
                            } else if let peer = transaction.getPeer(callPeerId), let addressName = peer.addressName, !addressName.isEmpty {
                                return "https://t.me/\(addressName)"
                            } else if let cachedData = transaction.getPeerCachedData(peerId: callPeerId) {
                                if let cachedData = cachedData as? CachedChannelData {
                                    return cachedData.exportedInvitation?.link
                                } else if let cachedData = cachedData as? CachedGroupData {
                                    return cachedData.exportedInvitation?.link
                                }
                            }
                            return nil
                        }
                        |> deliverOnMainQueue).start(next: { link in
                            guard let strongSelf = self else {
                                return
                            }
                            
                            if let link = link {
                                UIPasteboard.general.string = link
                                
                                strongSelf.presentUndoOverlay(content: .linkCopied(text: strongSelf.presentationData.strings.VoiceChat_InviteLinkCopiedText), action: { _ in return false })
                            }
                        })
                    }
                    dismissController = { [weak controller] in
                        controller?.dismiss()
                    }
                    strongSelf.controller?.push(controller)
                })
            }, peerContextAction: { [weak self] entry, sourceNode, gesture, fullscreen in
                guard let strongSelf = self, let sourceNode = sourceNode as? ContextExtractedContentContainingNode else {
                    return
                }
                
                let muteStatePromise = Promise<GroupCallParticipantsContext.Participant.MuteState?>(entry.muteState)
                   
                let itemsForEntry: (VoiceChatPeerEntry, GroupCallParticipantsContext.Participant.MuteState?) -> [ContextMenuItem] = { entry, muteState in
                    var items: [ContextMenuItem] = []
                    
                    var hasVolumeSlider = false
                    let peer = entry.peer
                    if let muteState = muteState, !muteState.canUnmute || muteState.mutedByYou {
                    } else {
                        if entry.canManageCall || !entry.isMyPeer {
                            hasVolumeSlider = true
                            
                            let minValue: CGFloat
                            if let callState = strongSelf.callState, callState.canManageCall && callState.adminIds.contains(peer.id) && muteState != nil {
                                minValue = 0.01
                            } else {
                                minValue = 0.0
                            }
                            items.append(.custom(VoiceChatVolumeContextItem(minValue: minValue, value: entry.volume.flatMap { CGFloat($0) / 10000.0 } ?? 1.0, valueChanged: { newValue, finished in
                                if finished && newValue.isZero {
                                    let updatedMuteState = strongSelf.call.updateMuteState(peerId: peer.id, isMuted: true)
                                    muteStatePromise.set(.single(updatedMuteState))
                                } else {
                                    strongSelf.call.setVolume(peerId: peer.id, volume: Int32(newValue * 10000), sync: finished)
                                }
                            }), true))
                        }
                    }
                    
                    if entry.isMyPeer && !hasVolumeSlider && ((entry.about?.isEmpty ?? true) || entry.peer.smallProfileImage == nil) {
                        items.append(.custom(VoiceChatInfoContextItem(text: strongSelf.presentationData.strings.VoiceChat_ImproveYourProfileText, icon: { theme in
                            return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Tip"), color: theme.actionSheet.primaryTextColor)
                        }), true))
                    }
                                        
                    if peer.id == strongSelf.callState?.myPeerId {
                        if entry.raisedHand {
                            items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_CancelSpeakRequest, icon: { theme in
                                return generateTintedImage(image: UIImage(bundleImageName: "Call/Context Menu/RevokeSpeak"), color: theme.actionSheet.primaryTextColor)
                            }, action: { _, f in
                                guard let strongSelf = self else {
                                    return
                                }
                                
                                let _ = strongSelf.call.lowerHand()
                                f(.default)
                            })))
                        }
                        items.append(.action(ContextMenuActionItem(text: peer.smallProfileImage == nil ? strongSelf.presentationData.strings.VoiceChat_AddPhoto : strongSelf.presentationData.strings.VoiceChat_ChangePhoto, icon: { theme in
                            return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Camera"), color: theme.actionSheet.primaryTextColor)
                        }, action: { _, f in
                            guard let strongSelf = self else {
                                return
                            }
                            
                            f(.default)
                            Queue.mainQueue().after(0.1) {
                                strongSelf.openAvatarForEditing(fromGallery: false, completion: {})
                            }
                        })))
                        
                        items.append(.action(ContextMenuActionItem(text: (entry.about?.isEmpty ?? true) ? strongSelf.presentationData.strings.VoiceChat_AddBio : strongSelf.presentationData.strings.VoiceChat_EditBio, icon: { theme in
                            return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Info"), color: theme.actionSheet.primaryTextColor)
                        }, action: { _, f in
                            guard let strongSelf = self else {
                                return
                            }
                            f(.default)
                               
                            Queue.mainQueue().after(0.1) {
                                let maxBioLength: Int
                                if peer.id.namespace == Namespaces.Peer.CloudUser {
                                    maxBioLength = 70
                                } else {
                                    maxBioLength = 100
                                }
                                let controller = voiceChatTitleEditController(sharedContext: strongSelf.context.sharedContext, account: strongSelf.context.account, forceTheme: strongSelf.darkTheme, title: presentationData.strings.VoiceChat_EditBioTitle, text: presentationData.strings.VoiceChat_EditBioText, placeholder: presentationData.strings.VoiceChat_EditBioPlaceholder, doneButtonTitle: presentationData.strings.VoiceChat_EditBioSave, value: entry.about, maxLength: maxBioLength, apply: { bio in
                                    if let strongSelf = self, let bio = bio {
                                        if peer.id.namespace == Namespaces.Peer.CloudUser {
                                            let _ = (strongSelf.context.engine.accountData.updateAbout(about: bio)
                                            |> `catch` { _ -> Signal<Void, NoError> in
                                                return .complete()
                                            }).start()
                                        } else {
                                            let _ = (updatePeerDescription(account: strongSelf.context.account, peerId: peer.id, description: bio)
                                            |> `catch` { _ -> Signal<Void, NoError> in
                                                return .complete()
                                            }).start()
                                        }
                                        
                                        strongSelf.presentUndoOverlay(content: .info(text: strongSelf.presentationData.strings.VoiceChat_EditBioSuccess), action: { _ in return false })
                                    }
                                })
                                self?.controller?.present(controller, in: .window(.root))
                            }
                        })))
                        
                        if let peer = peer as? TelegramUser {
                            items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_ChangeName, icon: { theme in
                                return generateTintedImage(image: UIImage(bundleImageName: "Call/Context Menu/ChangeName"), color: theme.actionSheet.primaryTextColor)
                            }, action: { _, f in
                                guard let strongSelf = self else {
                                    return
                                }
                                f(.default)
                                   
                                Queue.mainQueue().after(0.1) {
                                    let controller = voiceChatUserNameController(sharedContext: strongSelf.context.sharedContext, account: strongSelf.context.account, forceTheme: strongSelf.darkTheme, title: presentationData.strings.VoiceChat_ChangeNameTitle, firstNamePlaceholder: presentationData.strings.UserInfo_FirstNamePlaceholder, lastNamePlaceholder: presentationData.strings.UserInfo_LastNamePlaceholder, doneButtonTitle: presentationData.strings.VoiceChat_EditBioSave, firstName: peer.firstName, lastName: peer.lastName, maxLength: 128, apply: { firstAndLastName in
                                        if let strongSelf = self, let (firstName, lastName) = firstAndLastName {
                                            let _ = context.engine.accountData.updateAccountPeerName(firstName: firstName, lastName: lastName).start()
                                            
                                            strongSelf.presentUndoOverlay(content: .info(text: strongSelf.presentationData.strings.VoiceChat_EditNameSuccess), action: { _ in return false })
                                        }
                                    })
                                    self?.controller?.present(controller, in: .window(.root))
                                }
                            })))
                        }
                    } else {
                        if let callState = strongSelf.callState, (callState.canManageCall || callState.adminIds.contains(strongSelf.context.account.peerId)) {
                            if callState.adminIds.contains(peer.id) {
                                if let _ = muteState {
                                } else {
                                    items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_MutePeer, icon: { theme in
                                        return generateTintedImage(image: UIImage(bundleImageName: "Call/Context Menu/Mute"), color: theme.actionSheet.primaryTextColor)
                                    }, action: { _, f in
                                        guard let strongSelf = self else {
                                            return
                                        }
                                        
                                        let _ = strongSelf.call.updateMuteState(peerId: peer.id, isMuted: true)
                                        f(.default)
                                    })))
                                }
                            } else {
                                if let muteState = muteState, !muteState.canUnmute {
                                    items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_UnmutePeer, icon: { theme in
                                        return generateTintedImage(image: UIImage(bundleImageName: entry.raisedHand ? "Call/Context Menu/AllowToSpeak" : "Call/Context Menu/Unmute"), color: theme.actionSheet.primaryTextColor)
                                    }, action: { _, f in
                                        guard let strongSelf = self else {
                                            return
                                        }
                                        
                                        let _ = strongSelf.call.updateMuteState(peerId: peer.id, isMuted: false)
                                        f(.default)
                                        
                                        strongSelf.presentUndoOverlay(content: .voiceChatCanSpeak(text: presentationData.strings.VoiceChat_UserCanNowSpeak(entry.peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)).0), action: { _ in return true })
                                    })))
                                } else {
                                    items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_MutePeer, icon: { theme in
                                        return generateTintedImage(image: UIImage(bundleImageName: "Call/Context Menu/Mute"), color: theme.actionSheet.primaryTextColor)
                                    }, action: { _, f in
                                        guard let strongSelf = self else {
                                            return
                                        }
                                        
                                        let _ = strongSelf.call.updateMuteState(peerId: peer.id, isMuted: true)
                                        f(.default)
                                    })))
                                }
                            }
                        } else {
                            if let muteState = muteState, muteState.mutedByYou {
                                items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_UnmuteForMe, icon: { theme in
                                    return generateTintedImage(image: UIImage(bundleImageName: "Call/Context Menu/Unmute"), color: theme.actionSheet.primaryTextColor)
                                }, action: { _, f in
                                    guard let strongSelf = self else {
                                        return
                                    }
                                    
                                    let _ = strongSelf.call.updateMuteState(peerId: peer.id, isMuted: false)
                                    f(.default)
                                })))
                            } else {
                                items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_MuteForMe, icon: { theme in
                                    return generateTintedImage(image: UIImage(bundleImageName: "Call/Context Menu/Mute"), color: theme.actionSheet.primaryTextColor)
                                }, action: { _, f in
                                    guard let strongSelf = self else {
                                        return
                                    }
                                    
                                    let _ = strongSelf.call.updateMuteState(peerId: peer.id, isMuted: true)
                                    f(.default)
                                })))
                            }
                        }
                        
                        let openTitle: String
                        let openIcon: UIImage?
                        if [Namespaces.Peer.CloudChannel, Namespaces.Peer.CloudGroup].contains(peer.id.namespace) {
                            if let peer = peer as? TelegramChannel, case .broadcast = peer.info {
                                openTitle = strongSelf.presentationData.strings.VoiceChat_OpenChannel
                                openIcon = UIImage(bundleImageName: "Chat/Context Menu/Channels")
                            } else {
                                openTitle = strongSelf.presentationData.strings.VoiceChat_OpenGroup
                                openIcon = UIImage(bundleImageName: "Chat/Context Menu/Groups")
                            }
                        } else {
                            openTitle = strongSelf.presentationData.strings.Conversation_ContextMenuSendMessage
                            openIcon = UIImage(bundleImageName: "Chat/Context Menu/Message")
                        }
                        items.append(.action(ContextMenuActionItem(text: openTitle, icon: { theme in
                            return generateTintedImage(image: openIcon, color: theme.actionSheet.primaryTextColor)
                        }, action: { _, f in
                            guard let strongSelf = self, let navigationController = strongSelf.controller?.parentNavigationController else {
                                return
                            }
                        
                            let context = strongSelf.context
                            strongSelf.controller?.dismiss(completion: {
                                Queue.mainQueue().after(0.3) {
                                    context.sharedContext.navigateToChatController(NavigateToChatControllerParams(navigationController: navigationController, context: context, chatLocation: .peer(peer.id), keepStack: .always, purposefulAction: {}, peekData: nil))
                                }
                            })
                        
                            f(.dismissWithoutContent)
                        })))
                    
                        if let callState = strongSelf.callState, (callState.canManageCall && !callState.adminIds.contains(peer.id)), peer.id != strongSelf.call.peerId {
                            items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_RemovePeer, textColor: .destructive, icon: { theme in
                                return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Clear"), color: theme.actionSheet.destructiveActionTextColor)
                            }, action: { [weak self] c, _ in
                                c.dismiss(completion: {
                                    guard let strongSelf = self else {
                                        return
                                    }

                                    let _ = (strongSelf.context.account.postbox.loadedPeerWithId(strongSelf.call.peerId)
                                    |> deliverOnMainQueue).start(next: { [weak self] chatPeer in
                                        guard let strongSelf = self else {
                                            return
                                        }
                                        
                                        let actionSheet = ActionSheetController(presentationData: strongSelf.presentationData.withUpdated(theme: strongSelf.darkTheme))
                                        var items: [ActionSheetItem] = []
                                        
                                        items.append(DeleteChatPeerActionSheetItem(context: strongSelf.context, peer: peer, chatPeer: chatPeer, action: .removeFromGroup, strings: strongSelf.presentationData.strings, nameDisplayOrder: strongSelf.presentationData.nameDisplayOrder))

                                        items.append(ActionSheetButtonItem(title: strongSelf.presentationData.strings.VoiceChat_RemovePeerRemove, color: .destructive, action: { [weak actionSheet] in
                                            actionSheet?.dismissAnimated()
                                            
                                            guard let strongSelf = self else {
                                                return
                                            }
                                            
                                            let _ = strongSelf.context.peerChannelMemberCategoriesContextsManager.updateMemberBannedRights(account: strongSelf.context.account, peerId: strongSelf.call.peerId, memberId: peer.id, bannedRights: TelegramChatBannedRights(flags: [.banReadMessages], untilDate: Int32.max)).start()
                                            strongSelf.call.removedPeer(peer.id)
                                            
                                            strongSelf.presentUndoOverlay(content: .banned(text: strongSelf.presentationData.strings.VoiceChat_RemovedPeerText(peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)).0), action: { _ in return false })
                                        }))

                                        actionSheet.setItemGroups([
                                            ActionSheetItemGroup(items: items),
                                            ActionSheetItemGroup(items: [
                                                ActionSheetButtonItem(title: strongSelf.presentationData.strings.Common_Cancel, color: .accent, font: .bold, action: { [weak actionSheet] in
                                                    actionSheet?.dismissAnimated()
                                                })
                                            ])
                                        ])
                                        strongSelf.controller?.present(actionSheet, in: .window(.root))
                                    })
                                })
                            })))
                        }
                    }
                    return items
                }
                
                let items = muteStatePromise.get()
                |> map { muteState -> [ContextMenuItem] in
                    return itemsForEntry(entry, muteState)
                }
                
                var centerVertically = entry.peer.smallProfileImage != nil || (!fullscreen && entry.effectiveVideoEndpointId != nil)
                if let (layout, _) = strongSelf.validLayout, case .regular = layout.metrics.widthClass {
                    centerVertically = false
                }
                
                var useMaskView = true
                if case .fullscreen = strongSelf.displayMode {
                    useMaskView = false
                }
                
                let dismissPromise = ValuePromise<Bool>(false)
                let source = VoiceChatContextExtractedContentSource(sourceNode: sourceNode, maskView: useMaskView ? strongSelf.transitionMaskView : nil, keepInPlace: false, blurBackground: true, centerVertically: centerVertically, shouldBeDismissed: dismissPromise.get(), animateTransitionIn: { [weak self] in
                    if let strongSelf = self {
                        strongSelf.animatingContextMenu = true
                        strongSelf.updateDecorationsLayout(transition: .immediate)
                        if strongSelf.isLandscape {
                            strongSelf.transitionMaskTopFillLayer.opacity = 1.0
                        }
                        strongSelf.transitionContainerNode.view.mask = nil
                        strongSelf.transitionMaskBottomFillLayer.animateAlpha(from: 0.0, to: 1.0, duration: 0.4, removeOnCompletion: false, completion: { [weak self] _ in
                            Queue.mainQueue().after(0.3) {
                                self?.transitionMaskTopFillLayer.opacity = 0.0
                                self?.transitionMaskBottomFillLayer.removeAllAnimations()
                                self?.animatingContextMenu = false
                                self?.updateDecorationsLayout(transition: .immediate)
                            }
                        })
                    }
                }, animateTransitionOut: { [weak self] in
                    if let strongSelf = self {
                        strongSelf.animatingContextMenu = true
                        strongSelf.updateDecorationsLayout(transition: .immediate)
                        strongSelf.transitionMaskTopFillLayer.animateAlpha(from: 1.0, to: 0.0, duration: 0.4)
                        strongSelf.transitionMaskBottomFillLayer.animateAlpha(from: 1.0, to: 0.0, duration: 0.4, completion: { [weak self] _ in
                            self?.animatingContextMenu = false
                            self?.updateDecorationsLayout(transition: .immediate)
                            self?.transitionContainerNode.view.mask = self?.transitionMaskView
                        })
                    }
                })
                sourceNode.requestDismiss = {
                    dismissPromise.set(true)
                }
                
                let contextController = ContextController(account: strongSelf.context.account, presentationData: strongSelf.presentationData.withUpdated(theme: strongSelf.darkTheme), source: .extracted(source), items: items, reactionItems: [], gesture: gesture)
                contextController.useComplexItemsTransitionAnimation = true
                strongSelf.controller?.presentInGlobalOverlay(contextController)
            }, getPeerVideo: { [weak self] endpointId, position in
                guard let strongSelf = self else {
                    return nil
                }
                var ignore = false
                if case .mainstage = position {
                    ignore = false
                } else if case .fullscreen = strongSelf.displayMode, !strongSelf.isPanning {
                    ignore = ![.mainstage, .list].contains(position)
                } else {
                    ignore = position != .tile
                }
                if ignore {
                    return nil
                }
                if !strongSelf.readyVideoEndpointIds.contains(endpointId) {
                    return nil
                }
                for (listEndpointId, videoNode) in strongSelf.videoNodes {
                    if listEndpointId == endpointId {
                        if position != .mainstage && videoNode.isMainstageExclusive {
                            return nil
                        }
                        return videoNode
                    }
                }
                return nil
            })
            self.itemInteraction?.updateAvatarPromise = self.updateAvatarPromise
            
            self.topPanelNode.addSubnode(self.topPanelEdgeNode)
            self.topPanelNode.addSubnode(self.topPanelBackgroundNode)
            self.topPanelNode.addSubnode(self.titleNode)
            self.topPanelNode.addSubnode(self.optionsButton)
            self.topPanelNode.addSubnode(self.closeButton)
            self.topPanelNode.addSubnode(self.panelButton)
            
            self.bottomPanelNode.addSubnode(self.cameraButton)
            self.bottomPanelNode.addSubnode(self.audioButton)
            self.bottomPanelNode.addSubnode(self.switchCameraButton)
            self.bottomPanelNode.addSubnode(self.leaveButton)
            self.bottomPanelNode.addSubnode(self.actionButton)
            self.bottomPanelNode.addSubnode(self.scheduleCancelButton)
            
            self.addSubnode(self.dimNode)
            self.addSubnode(self.contentContainer)
            self.contentContainer.addSubnode(self.backgroundNode)
            
            self.contentContainer.addSubnode(self.listContainer)
            self.contentContainer.addSubnode(self.topPanelNode)
            self.listContainer.addSubnode(self.listNode)
            self.listContainer.addSubnode(self.leftBorderNode)
            self.listContainer.addSubnode(self.rightBorderNode)
            self.listContainer.addSubnode(self.bottomCornersNode)
            self.listContainer.addSubnode(self.topCornersNode)
            self.contentContainer.addSubnode(self.bottomGradientNode)
            self.contentContainer.addSubnode(self.bottomPanelBackgroundNode)
            self.contentContainer.addSubnode(self.tileGridNode)
            self.contentContainer.addSubnode(self.mainStageContainerNode)
            self.contentContainer.addSubnode(self.transitionContainerNode)
            self.contentContainer.addSubnode(self.bottomPanelNode)
            self.contentContainer.addSubnode(self.timerNode)
            self.contentContainer.addSubnode(self.scheduleTextNode)
            self.contentContainer.addSubnode(self.fullscreenListContainer)
            self.fullscreenListContainer.addSubnode(self.fullscreenListNode)
            
            self.mainStageContainerNode.addSubnode(self.mainStageBackgroundNode)
            self.mainStageContainerNode.addSubnode(self.mainStageNode)
            
            self.updateDecorationsColors()
                        
            let invitedPeers: Signal<[Peer], NoError> = self.call.invitedPeers
            |> mapToSignal { ids -> Signal<[Peer], NoError> in
                return context.account.postbox.transaction { transaction -> [Peer] in
                    return ids.compactMap(transaction.getPeer)
                }
            }
            
            self.presentationDataDisposable = (sharedContext.presentationData
            |> deliverOnMainQueue).start(next: { [weak self] presentationData in
                if let strongSelf = self {
                    strongSelf.presentationData = presentationData
                    
                    let sourceColor = presentationData.theme.chatList.unreadBadgeInactiveBackgroundColor
                    let color: UIColor
                    if sourceColor.alpha < 1.0 {
                        color = presentationData.theme.chatList.unreadBadgeInactiveBackgroundColor.mixedWith(sourceColor.withAlphaComponent(1.0), alpha: sourceColor.alpha)
                    } else {
                        color = sourceColor
                    }
                    strongSelf.actionButton.connectingColor = color
                }
            })
            
            self.memberStatesDisposable = (combineLatest(queue: .mainQueue(),
                self.call.state,
                self.call.members,
                invitedPeers,
                self.displayAsPeersPromise.get(),
                self.context.account.postbox.preferencesView(keys: [PreferencesKeys.appConfiguration])
            )
            |> mapToThrottled { values in
                return .single(values)
                |> then(.complete() |> delay(0.1, queue: Queue.mainQueue()))
            }).start(next: { [weak self] state, callMembers, invitedPeers, displayAsPeers, preferencesView in
                guard let strongSelf = self else {
                    return
                }
                
                let appConfiguration: AppConfiguration = preferencesView.values[PreferencesKeys.appConfiguration] as? AppConfiguration ?? .defaultValue
                let configuration = VoiceChatConfiguration.with(appConfiguration: appConfiguration)
                strongSelf.configuration = configuration
                
                var animate = false
                if strongSelf.callState != state {
                    if let previousCallState = strongSelf.callState {
                        var networkStateUpdated = false
                        if case .connecting = previousCallState.networkState, case .connected = state.networkState {
                            networkStateUpdated = true
                            strongSelf.connectedOnce = true
                        }
                        var canUnmuteUpdated = false
                        if previousCallState.muteState?.canUnmute != state.muteState?.canUnmute {
                            canUnmuteUpdated = true
                        }
                        if previousCallState.isVideoEnabled != state.isVideoEnabled || (state.isVideoEnabled && networkStateUpdated) || canUnmuteUpdated {
                            strongSelf.animatingButtonsSwap = true
                            animate = true
                        }
                    }
                    strongSelf.callState = state
                    strongSelf.mainStageNode.callState = state
                    
                    if let muteState = state.muteState, !muteState.canUnmute {
                        if strongSelf.pushingToTalk {
                            strongSelf.pushingToTalk = false
                            strongSelf.actionButton.pressing = false
                            strongSelf.actionButton.isUserInteractionEnabled = false
                            strongSelf.actionButton.isUserInteractionEnabled = true
                        }
                    }
                }
                
                strongSelf.updateMembers(muteState: strongSelf.effectiveMuteState, callMembers: (callMembers?.participants ?? [], callMembers?.loadMoreToken), invitedPeers: invitedPeers, speakingPeers: callMembers?.speakingParticipants ?? [])
                
                let subtitle = strongSelf.presentationData.strings.VoiceChat_Panel_Members(Int32(max(1, callMembers?.totalCount ?? 0)))
                strongSelf.currentSubtitle = subtitle
                
                if strongSelf.isScheduling {
                    strongSelf.optionsButton.isUserInteractionEnabled = false
                    strongSelf.optionsButton.alpha = 0.0
                    strongSelf.closeButton.isUserInteractionEnabled = false
                    strongSelf.closeButton.alpha = 0.0
                    strongSelf.panelButton.isUserInteractionEnabled = false
                    strongSelf.panelButton.alpha = 0.0
                } else {
                    if let (layout, _) = strongSelf.validLayout {
                        if case .regular = layout.metrics.widthClass, !strongSelf.peerIdToEndpointId.isEmpty {
                            strongSelf.panelButton.isUserInteractionEnabled = true
                        } else {
                            strongSelf.panelButton.isUserInteractionEnabled = false
                        }
                    }
                    if let callState = strongSelf.callState, callState.canManageCall {
                        strongSelf.optionsButton.isUserInteractionEnabled = true
                    } else if displayAsPeers.count > 1 {
                        strongSelf.optionsButton.isUserInteractionEnabled = true
                    } else {
                        strongSelf.optionsButton.isUserInteractionEnabled = true
                    }
                }
                
                if let (layout, navigationHeight) = strongSelf.validLayout {
                    strongSelf.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: animate ? .animated(duration: 0.4, curve: .spring) : .immediate)
                }
            })
            
            
            let titleAndRecording: Signal<(String?, Bool), NoError> = self.call.state
            |> map { state -> (String?, Bool) in
                return (state.title, state.recordingStartTimestamp != nil)
            }
            self.peerViewDisposable = combineLatest(queue: Queue.mainQueue(), self.context.account.viewTracker.peerView(self.call.peerId), titleAndRecording).start(next: { [weak self] view, titleAndRecording in
                guard let strongSelf = self else {
                    return
                }
                
                let (title, isRecording) = titleAndRecording
                if let peer = peerViewMainPeer(view) {
                    strongSelf.peer = peer
                    strongSelf.currentTitleIsCustom = title != nil
                    strongSelf.currentTitle = title ?? peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)
                    
                    strongSelf.updateTitle(transition: .immediate)
                    strongSelf.titleNode.isRecording = isRecording
                }
                if !strongSelf.didSetDataReady {
                    strongSelf.didSetDataReady = true
                    strongSelf.updateMembers()
                    strongSelf.controller?.dataReady.set(true)
                }
            })
            
            self.audioOutputStateDisposable = (self.call.audioOutputState
            |> deliverOnMainQueue).start(next: { [weak self] state in
                guard let strongSelf = self else {
                    return
                }
                let wasEmpty = strongSelf.audioOutputState == nil
                strongSelf.audioOutputState = state
                if let (layout, navigationHeight) = strongSelf.validLayout {
                    strongSelf.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .immediate)
                }
                if wasEmpty {
                    strongSelf.controller?.audioOutputStateReady.set(true)
                }
            })
            
            self.audioLevelsDisposable = (self.call.audioLevels
            |> deliverOnMainQueue).start(next: { [weak self] levels in
                guard let strongSelf = self else {
                    return
                }
                var levels = levels
                if strongSelf.effectiveMuteState != nil {
                    levels = levels.filter { $0.0 != strongSelf.callState?.myPeerId }
                }
                
                var maxLevelWithVideo: (PeerId, Float)?
                for (peerId, source, level, hasSpeech) in levels {
                    let hasVideo = strongSelf.peerIdToEndpointId[peerId] != nil
                    if hasSpeech && source != 0 && hasVideo {
                        if let (_, currentLevel) = maxLevelWithVideo {
                            if currentLevel < level {
                                maxLevelWithVideo = (peerId, level)
                            }
                        } else {
                            maxLevelWithVideo = (peerId, level)
                        }
                    }
                }
                
                if maxLevelWithVideo == nil {
                    if let (peerId, _, _) = strongSelf.currentDominantSpeaker {
                        maxLevelWithVideo = (peerId, 0.0)
                    } else if strongSelf.peerIdToEndpointId.count > 0 {
                        for entry in strongSelf.currentFullscreenEntries {
                            if case let .peer(peerEntry, _) = entry {
                                if let _ = peerEntry.effectiveVideoEndpointId {
                                    maxLevelWithVideo = (peerEntry.peer.id, 0.0)
                                    break
                                }
                            }
                        }
                    }
                }
                                
                if case .fullscreen = strongSelf.displayMode, !strongSelf.mainStageNode.animating && !strongSelf.animatingExpansion {
                    if let (peerId, _) = maxLevelWithVideo {
                        if let (currentPeerId, _, timestamp) = strongSelf.currentDominantSpeaker {
                            if CACurrentMediaTime() - timestamp > 2.5 && peerId != currentPeerId {
                                strongSelf.currentDominantSpeaker = (peerId, nil, CACurrentMediaTime())
                                strongSelf.updateMainVideo(waitForFullSize: true)
                            }
                        }
                    }
                }
                
                strongSelf.itemInteraction?.updateAudioLevels(levels)
            })
            
            self.myAudioLevelDisposable = (self.call.myAudioLevel
            |> deliverOnMainQueue).start(next: { [weak self] level in
                guard let strongSelf = self else {
                    return
                }
                var effectiveLevel: Float = 0.0
                if let state = strongSelf.callState, state.muteState == nil || strongSelf.pushingToTalk {
                    effectiveLevel = level
                } else if level > 0.1 {
                    effectiveLevel = level * 0.5
                }
                strongSelf.actionButton.updateLevel(CGFloat(effectiveLevel))
            })
            
            self.isSpeakingDisposable = (self.call.isSpeaking
            |> deliverOnMainQueue).start(next: { [weak self] isSpeaking in
                guard let strongSelf = self else {
                    return
                }
                if let state = strongSelf.callState, state.muteState == nil || strongSelf.pushingToTalk {
                    strongSelf.displayUnmuteTooltipTimer?.invalidate()
                    strongSelf.displayUnmuteTooltipTimer = nil
                    strongSelf.dismissUnmuteTooltipTimer?.invalidate()
                    strongSelf.dismissUnmuteTooltipTimer = nil
                } else {
                    if isSpeaking {
                        var shouldDisplayTooltip = false
                        if let previousTimstamp = strongSelf.lastUnmuteTooltipDisplayTimestamp, CACurrentMediaTime() > previousTimstamp + 45.0 {
                            shouldDisplayTooltip = true
                        } else if strongSelf.lastUnmuteTooltipDisplayTimestamp == nil {
                            shouldDisplayTooltip = true
                        }
                        if shouldDisplayTooltip {
                            strongSelf.dismissUnmuteTooltipTimer?.invalidate()
                            strongSelf.dismissUnmuteTooltipTimer = nil
                            
                            if strongSelf.displayUnmuteTooltipTimer == nil {
                                let timer = SwiftSignalKit.Timer(timeout: 1.0, repeat: false, completion: { [weak self] in
                                    guard let strongSelf = self else {
                                        return
                                    }
                                    strongSelf.lastUnmuteTooltipDisplayTimestamp = CACurrentMediaTime()
                                    strongSelf.displayUnmuteTooltip()
                                    strongSelf.displayUnmuteTooltipTimer?.invalidate()
                                    strongSelf.displayUnmuteTooltipTimer = nil
                                    strongSelf.dismissUnmuteTooltipTimer?.invalidate()
                                    strongSelf.dismissUnmuteTooltipTimer = nil
                                }, queue: Queue.mainQueue())
                                timer.start()
                                strongSelf.displayUnmuteTooltipTimer = timer
                            }
                        }
                    } else if strongSelf.dismissUnmuteTooltipTimer == nil && strongSelf.displayUnmuteTooltipTimer != nil {
                        let timer = SwiftSignalKit.Timer(timeout: 0.4, repeat: false, completion: { [weak self] in
                            guard let strongSelf = self else {
                                return
                            }
                            strongSelf.displayUnmuteTooltipTimer?.invalidate()
                            strongSelf.displayUnmuteTooltipTimer = nil
                           
                            strongSelf.dismissUnmuteTooltipTimer?.invalidate()
                            strongSelf.dismissUnmuteTooltipTimer = nil
                        }, queue: Queue.mainQueue())
                        timer.start()
                        strongSelf.dismissUnmuteTooltipTimer = timer
                    }
                }
            })
            
            self.leaveButton.addTarget(self, action: #selector(self.leavePressed), forControlEvents: .touchUpInside)
            self.actionButton.addTarget(self, action: #selector(self.actionPressed), forControlEvents: .touchUpInside)
            self.audioButton.addTarget(self, action: #selector(self.audioPressed), forControlEvents: .touchUpInside)
            self.cameraButton.addTarget(self, action: #selector(self.cameraPressed), forControlEvents: .touchUpInside)
            self.switchCameraButton.addTarget(self, action: #selector(self.switchCameraPressed), forControlEvents: .touchUpInside)
            self.optionsButton.contextAction = { [weak self] sourceNode, gesture in
                self?.openSettingsMenu(sourceNode: sourceNode, gesture: gesture)
            }
            self.optionsButton.addTarget(self, action: #selector(self.optionsPressed), forControlEvents: .touchUpInside)
            self.closeButton.addTarget(self, action: #selector(self.closePressed), forControlEvents: .touchUpInside)
            self.panelButton.addTarget(self, action: #selector(self.panelPressed), forControlEvents: .touchUpInside)
            
            self.actionButtonColorDisposable = (self.actionButton.outerColor
            |> deliverOnMainQueue).start(next: { [weak self] normalColor, activeColor in
                if let strongSelf = self {
                    let animated = strongSelf.currentNormalButtonColor != nil || strongSelf.currentActiveButtonColor == nil
                    strongSelf.currentNormalButtonColor = normalColor
                    strongSelf.currentActiveButtonColor = activeColor
                    strongSelf.updateButtons(transition: animated ? .animated(duration: 0.3, curve: .linear) : .immediate)
                }
            })
            
            self.fullscreenListNode.updateFloatingHeaderOffset = { [weak self] _, _ in
                guard let strongSelf = self else {
                    return
                }
                
                var visiblePeerIds = Set<PeerId>()
                strongSelf.fullscreenListNode.forEachVisibleItemNode { itemNode in
                    if let itemNode = itemNode as? VoiceChatFullscreenParticipantItemNode, let item = itemNode.item {
                        if item.videoEndpointId == nil {
                            visiblePeerIds.insert(item.peer.id)
                        }
                    }
                }
                strongSelf.mainStageNode.update(visiblePeerIds: visiblePeerIds)
            }
            
            self.listNode.updateFloatingHeaderOffset = { [weak self] offset, transition in
                if let strongSelf = self {
                    strongSelf.currentContentOffset = offset
                    if !(strongSelf.animatingExpansion || strongSelf.animatingInsertion || strongSelf.animatingAppearance) && (strongSelf.panGestureArguments == nil || strongSelf.isExpanded) {
                        strongSelf.updateDecorationsLayout(transition: transition)
                    }
                }
            }
            
            self.listNode.visibleBottomContentOffsetChanged = { [weak self] offset in
                guard let strongSelf = self else {
                    return
                }
                if case let .known(value) = offset, value < 200.0 {
                    if let loadMoreToken = strongSelf.currentCallMembers?.1 {
                        strongSelf.currentLoadToken = loadMoreToken
                        strongSelf.call.loadMoreMembers(token: loadMoreToken)
                    }
                }
            }
            
            self.memberEventsDisposable.set((self.call.memberEvents
            |> deliverOnMainQueue).start(next: { [weak self] event in
                guard let strongSelf = self else {
                    return
                }
                if event.joined {
                    strongSelf.presentUndoOverlay(content: .invitedToVoiceChat(context: strongSelf.context, peer: event.peer, text: strongSelf.presentationData.strings.VoiceChat_PeerJoinedText(event.peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)).0), action: { _ in return false })
                }
            }))
            
            self.reconnectedAsEventsDisposable.set((self.call.reconnectedAsEvents
            |> deliverOnMainQueue).start(next: { [weak self] peer in
                guard let strongSelf = self else {
                    return
                }
                strongSelf.presentUndoOverlay(content: .invitedToVoiceChat(context: strongSelf.context, peer: peer, text: strongSelf.presentationData.strings.VoiceChat_DisplayAsSuccess(peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)).0), action: { _ in return false })
            }))

            self.stateVersionDisposable.set((self.call.stateVersion
            |> distinctUntilChanged
            |> deliverOnMainQueue).start(next: { [weak self] _ in
                guard let strongSelf = self else {
                    return
                }
                strongSelf.callStateDidReset()
            }))
            
            self.titleNode.tapped = { [weak self] in
                if let strongSelf = self, !strongSelf.isScheduling {
                    if strongSelf.callState?.canManageCall ?? false {
                        strongSelf.openTitleEditing()
                    } else if !strongSelf.titleNode.recordingIconNode.isHidden {
                        var hasTooltipAlready = false
                        strongSelf.controller?.forEachController { controller -> Bool in
                            if controller is TooltipScreen {
                                hasTooltipAlready = true
                            }
                            return true
                        }
                        if !hasTooltipAlready {
                            let location = strongSelf.titleNode.recordingIconNode.convert(strongSelf.titleNode.recordingIconNode.bounds, to: nil)
                            strongSelf.controller?.present(TooltipScreen(text: presentationData.strings.VoiceChat_RecordingInProgress, icon: nil, location: .point(location.offsetBy(dx: 1.0, dy: 0.0), .top), displayDuration: .custom(3.0), shouldDismissOnTouch: { _ in
                                return .dismiss(consume: true)
                            }), in: .window(.root))
                        }
                    }
                }
            }
            
            self.scheduleCancelButton.pressed = { [weak self] in
                if let strongSelf = self {
                    strongSelf.dismissScheduled()
                }
            }
            
            self.mainStageNode.controlsHidden = { [weak self] hidden in
                if let strongSelf = self {
                    if hidden {
                        strongSelf.fullscreenListNode.alpha = 0.0
                    } else {
                        strongSelf.fullscreenListNode.alpha = 1.0
                        strongSelf.fullscreenListNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
                    }
                }
            }
        
            self.mainStageNode.tapped = { [weak self] in
                if let strongSelf = self, let (layout, navigationHeight) = strongSelf.validLayout, !strongSelf.animatingExpansion && !strongSelf.animatingMainStage && !strongSelf.mainStageNode.animating {
                    if case .regular = layout.metrics.widthClass {
                        strongSelf.panelHidden = !strongSelf.panelHidden
                        
                        strongSelf.animatingExpansion = true
                        let transition = ContainedViewLayoutTransition.animated(duration: 0.3, curve: .easeInOut)
                        strongSelf.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: transition)
                        strongSelf.updateDecorationsLayout(transition: transition)
                    } else {
                        let effectiveDisplayMode = strongSelf.displayMode
                        let nextDisplayMode: DisplayMode
                        switch effectiveDisplayMode {
                            case .modal:
                                nextDisplayMode = effectiveDisplayMode
                            case let .fullscreen(controlsHidden):
                                if controlsHidden {
                                    nextDisplayMode = .fullscreen(controlsHidden: false)
                                } else {
                                    nextDisplayMode = .fullscreen(controlsHidden: true)
                                }
                        }
                        strongSelf.updateDisplayMode(nextDisplayMode)
                    }
                }
            }
            
            self.mainStageNode.stopScreencast = { [weak self] in
                if let strongSelf = self {
                    strongSelf.call.disableScreencast()
                }
            }
            
            self.mainStageNode.back = { [weak self] in
                if let strongSelf = self, !strongSelf.isPanning && !strongSelf.animatingExpansion && !strongSelf.mainStageNode.animating {
                    strongSelf.currentForcedSpeaker = nil
                    strongSelf.updateDisplayMode(.modal(isExpanded: true, isFilled: true), fromPan: true)
                    strongSelf.effectiveSpeaker = nil
                }
            }
            
            self.mainStageNode.togglePin = { [weak self] in
                if let strongSelf = self {
                    if let (peerId, videoEndpointId, _, _, _) = strongSelf.effectiveSpeaker {
                        if let _ = strongSelf.currentForcedSpeaker {
                            strongSelf.currentDominantSpeaker = (peerId, videoEndpointId, CACurrentMediaTime())
                            strongSelf.currentForcedSpeaker = nil
                        } else {
                            strongSelf.currentForcedSpeaker = (peerId, videoEndpointId)
                        }
                    }
                    strongSelf.updateMembers()
                }
            }
            
            self.mainStageNode.switchTo = { [weak self] peerId in
                if let strongSelf = self, let interaction = strongSelf.itemInteraction {
                    interaction.switchToPeer(peerId, nil, false)
                }
            }
            
            self.mainStageNode.getAudioLevel = { [weak self] peerId in
                return self?.itemInteraction?.getAudioLevel(peerId) ?? .single(0.0)
            }
            
            self.mainStageNode.getVideo = { [weak self] endpointId, isMyPeer, completion in
                if let strongSelf = self {
                    if isMyPeer {
                        if strongSelf.readyVideoEndpointIds.contains(endpointId) {
                            completion(strongSelf.itemInteraction?.getPeerVideo(endpointId, .mainstage))
                        } else {
                            strongSelf.myPeerVideoReadyDisposable.set((strongSelf.readyVideoEndpointIdsPromise.get()
                            |> filter { $0.contains(endpointId) }
                            |> take(1)
                            |> deliverOnMainQueue).start(next: { [weak self] _ in
                                if let strongSelf = self {
                                    completion(strongSelf.itemInteraction?.getPeerVideo(endpointId, .mainstage))
                                }
                            }))
                        }
                    } else {
                        strongSelf.call.makeIncomingVideoView(endpointId: endpointId, requestClone: GroupVideoNode.useBlurTransparency, completion: { videoView, backdropVideoView in
                            if let videoView = videoView {
                                completion(GroupVideoNode(videoView: videoView, backdropVideoView: backdropVideoView))
                            } else {
                                completion(nil)
                            }
                        })
                    }
                }
            }
            
            self.applicationStateDisposable = (self.context.sharedContext.applicationBindings.applicationIsActive
            |> deliverOnMainQueue).start(next: { [weak self] active in
                guard let strongSelf = self else {
                    return
                }
                strongSelf.appIsActive = active
            })
        }
        
        deinit {
            self.presentationDataDisposable?.dispose()
            self.peerViewDisposable?.dispose()
            self.leaveDisposable.dispose()
            self.isMutedDisposable?.dispose()
            self.isNoiseSuppressionEnabledDisposable?.dispose()
            self.callStateDisposable?.dispose()
            self.audioOutputStateDisposable?.dispose()
            self.memberStatesDisposable?.dispose()
            self.audioLevelsDisposable?.dispose()
            self.myAudioLevelDisposable?.dispose()
            self.isSpeakingDisposable?.dispose()
            self.inviteDisposable.dispose()
            self.memberEventsDisposable.dispose()
            self.reconnectedAsEventsDisposable.dispose()
            self.stateVersionDisposable.dispose()
            self.updateAvatarDisposable.dispose()
            self.ignoreConnectingTimer?.invalidate()
            self.readyVideoDisposables.dispose()
            self.applicationStateDisposable?.dispose()
            self.myPeerVideoReadyDisposable.dispose()
        }
        
        private func openSettingsMenu(sourceNode: ASDisplayNode, gesture: ContextGesture?) {
            let items: Signal<[ContextMenuItem], NoError> = self.contextMenuMainItems()
            if let controller = self.controller {
                let contextController = ContextController(account: self.context.account, presentationData: self.presentationData.withUpdated(theme: self.darkTheme), source: .reference(VoiceChatContextReferenceContentSource(controller: controller, sourceNode: self.optionsButton.referenceNode)), items: items, reactionItems: [], gesture: gesture)
                controller.presentInGlobalOverlay(contextController)
            }
        }

        private func contextMenuMainItems() -> Signal<[ContextMenuItem], NoError> {
            guard let myPeerId = self.callState?.myPeerId else {
                return .single([])
            }

            let canManageCall = self.callState?.canManageCall == true
            let avatarSize = CGSize(width: 28.0, height: 28.0)
            return combineLatest(self.displayAsPeersPromise.get(), self.context.account.postbox.loadedPeerWithId(self.call.peerId), self.inviteLinksPromise.get())
            |> take(1)
            |> deliverOnMainQueue
            |> map { [weak self] peers, chatPeer, inviteLinks -> [ContextMenuItem] in
                guard let strongSelf = self else {
                    return []
                }

                let presentationData = strongSelf.presentationData
                var items: [ContextMenuItem] = []

                if peers.count > 1 {
                    for peer in peers {
                        if peer.peer.id == myPeerId {
                            items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_DisplayAs, textLayout: .secondLineWithValue(peer.peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder)), icon: { _ in nil }, iconSource: ContextMenuActionItemIconSource(size: avatarSize, signal: peerAvatarCompleteImage(account: strongSelf.context.account, peer: peer.peer, size: avatarSize)), action: { c, _ in
                                guard let strongSelf = self else {
                                    return
                                }
                                c.setItems(strongSelf.contextMenuDisplayAsItems())
                            })))
                            items.append(.separator)
                            break
                        }
                    }
                }
                
                if let (availableOutputs, currentOutput) = strongSelf.audioOutputState, availableOutputs.count > 1 {
                    var currentOutputTitle = ""
                    for output in availableOutputs {
                        if output == currentOutput {
                        let title: String
                            switch output {
                                case .builtin:
                                    title = UIDevice.current.model
                                case .speaker:
                                    title = strongSelf.presentationData.strings.Call_AudioRouteSpeaker
                                case .headphones:
                                    title = strongSelf.presentationData.strings.Call_AudioRouteHeadphones
                                case let .port(port):
                                    title = port.name
                            }
                            currentOutputTitle = title
                            break
                        }
                    }
                    items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_ContextAudio, textLayout: .secondLineWithValue(currentOutputTitle), icon: { theme in
                        return generateTintedImage(image: UIImage(bundleImageName: "Call/Context Menu/Audio"), color: theme.actionSheet.primaryTextColor)
                    }, action: { c, _ in
                        guard let strongSelf = self else {
                            return
                        }
                        c.setItems(strongSelf.contextMenuAudioItems())
                    })))
                }

                if canManageCall {
                    items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_EditTitle, icon: { theme -> UIImage? in
                        return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Pencil"), color: theme.actionSheet.primaryTextColor)
                    }, action: { _, f in
                        f(.default)

                        guard let strongSelf = self else {
                            return
                        }
                        strongSelf.openTitleEditing()
                    })))

                    var hasPermissions = true
                    if let chatPeer = chatPeer as? TelegramChannel {
                        if case .broadcast = chatPeer.info {
                            hasPermissions = false
                        } else if chatPeer.flags.contains(.isGigagroup) {
                            hasPermissions = false
                        }
                    }
                    if hasPermissions {
                        items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_EditPermissions, icon: { theme -> UIImage? in
                            return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Restrict"), color: theme.actionSheet.primaryTextColor)
                        }, action: { c, _ in
                            guard let strongSelf = self else {
                                return
                            }
                            c.setItems(strongSelf.contextMenuPermissionItems())
                        })))
                    }
                }
            
                if let inviteLinks = inviteLinks {
                    items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_Share, icon: { theme in
                        return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Link"), color: theme.actionSheet.primaryTextColor)
                    }, action: { _, f in
                        f(.default)

                        self?.presentShare(inviteLinks)
                    })))
                }
                
                let isScheduled = strongSelf.isScheduled
                
                if !isScheduled {
                    items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_NoiseSuppression, textColor: .primary, textLayout: .secondLineWithValue(strongSelf.isNoiseSuppressionEnabled ? strongSelf.presentationData.strings.VoiceChat_NoiseSuppressionEnabled : strongSelf.presentationData.strings.VoiceChat_NoiseSuppressionDisabled), icon: { theme in
                        return generateTintedImage(image: UIImage(bundleImageName: "Call/Context Menu/Noise"), color: theme.actionSheet.primaryTextColor)
                    }, action: { _, f in
                        f(.dismissWithoutContent)
                        if let strongSelf = self {
                            strongSelf.call.setIsNoiseSuppressionEnabled(!strongSelf.isNoiseSuppressionEnabled)
                        }
                    })))
                }
                
                if let callState = strongSelf.callState, callState.isVideoEnabled && (callState.muteState?.canUnmute ?? true) {
                    if #available(iOS 12.0, *) {
                        if strongSelf.call.hasScreencast {
                            items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_StopScreenSharing, icon: { theme in
                                return generateTintedImage(image: UIImage(bundleImageName: "Call/Context Menu/ShareScreen"), color: theme.actionSheet.primaryTextColor)
                            }, action: { _, f in
                                f(.default)

                                self?.call.disableScreencast()
                            })))
                        } else {
                            items.append(.custom(VoiceChatShareScreenContextItem(context: strongSelf.context, text: strongSelf.presentationData.strings.VoiceChat_ShareScreen, icon: { theme in
                                return generateTintedImage(image: UIImage(bundleImageName: "Call/Context Menu/ShareScreen"), color: theme.actionSheet.primaryTextColor)
                            }, action: { _, _ in }), false))
                        }
                    }
                }

                if canManageCall {
                    if let recordingStartTimestamp = strongSelf.callState?.recordingStartTimestamp {
                        items.append(.custom(VoiceChatRecordingContextItem(timestamp: recordingStartTimestamp, action: { _, f in
                            f(.dismissWithoutContent)

                            guard let strongSelf = self else {
                                return
                            }

                            let alertController = textAlertController(context: strongSelf.context, forceTheme: strongSelf.darkTheme, title: nil, text: strongSelf.presentationData.strings.VoiceChat_StopRecordingTitle, actions: [TextAlertAction(type: .genericAction, title: strongSelf.presentationData.strings.Common_Cancel, action: {}), TextAlertAction(type: .defaultAction, title: strongSelf.presentationData.strings.VoiceChat_StopRecordingStop, action: {
                                if let strongSelf = self {
                                    strongSelf.call.setShouldBeRecording(false, title: nil)

                                    strongSelf.presentUndoOverlay(content: .forward(savedMessages: true, text: strongSelf.presentationData.strings.VoiceChat_RecordingSaved), action: { [weak self] value in
                                        if case .info = value, let strongSelf = self, let navigationController = strongSelf.controller?.navigationController as? NavigationController {
                                            let context = strongSelf.context
                                            strongSelf.controller?.dismiss(completion: {
                                                Queue.mainQueue().justDispatch {
                                                    context.sharedContext.navigateToChatController(NavigateToChatControllerParams(navigationController: navigationController, context: context, chatLocation: .peer(context.account.peerId), keepStack: .always, purposefulAction: {}, peekData: nil))
                                                }
                                            })
                                            
                                            return true
                                        }
                                        return false
                                    })
                                }
                            })])
                            self?.controller?.present(alertController, in: .window(.root))
                        }), false))
                    } else {
                        if strongSelf.callState?.scheduleTimestamp == nil {
                            items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_StartRecording, icon: { theme -> UIImage? in
                                return generateStartRecordingIcon(color: theme.actionSheet.primaryTextColor)
                            }, action: { _, f in
                                f(.dismissWithoutContent)

                                guard let strongSelf = self else {
                                    return
                                }

                                let controller = voiceChatTitleEditController(sharedContext: strongSelf.context.sharedContext, account: strongSelf.context.account, forceTheme: strongSelf.darkTheme, title: presentationData.strings.VoiceChat_StartRecordingTitle, text: presentationData.strings.VoiceChat_StartRecordingText, placeholder: presentationData.strings.VoiceChat_RecordingTitlePlaceholder, value: nil, maxLength: 40, apply: { title in
                                    if let strongSelf = self, let title = title {
                                        strongSelf.call.setShouldBeRecording(true, title: title)

                                        strongSelf.presentUndoOverlay(content: .voiceChatRecording(text: strongSelf.presentationData.strings.VoiceChat_RecordingStarted), action: { _ in return false })
                                        strongSelf.call.playTone(.recordingStarted)
                                    }
                                })
                                self?.controller?.present(controller, in: .window(.root))
                            })))
                        }
                    }
                }

                if canManageCall {
                    items.append(.action(ContextMenuActionItem(text: isScheduled ? strongSelf.presentationData.strings.VoiceChat_CancelVoiceChat : strongSelf.presentationData.strings.VoiceChat_EndVoiceChat, textColor: .destructive, icon: { theme in
                        return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Clear"), color: theme.actionSheet.destructiveActionTextColor)
                    }, action: { _, f in
                        f(.dismissWithoutContent)

                        guard let strongSelf = self else {
                            return
                        }

                        let action: () -> Void = {
                            guard let strongSelf = self else {
                                return
                            }

                            let _ = (strongSelf.call.leave(terminateIfPossible: true)
                            |> filter { $0 }
                            |> take(1)
                            |> deliverOnMainQueue).start(completed: {
                                self?.controller?.dismiss()
                            })
                        }

                        let alertController = textAlertController(context: strongSelf.context, forceTheme: strongSelf.darkTheme, title: isScheduled ? strongSelf.presentationData.strings.VoiceChat_CancelConfirmationTitle : strongSelf.presentationData.strings.VoiceChat_EndConfirmationTitle, text: isScheduled ? strongSelf.presentationData.strings.VoiceChat_CancelConfirmationText : strongSelf.presentationData.strings.VoiceChat_EndConfirmationText, actions: [TextAlertAction(type: .defaultAction, title: strongSelf.presentationData.strings.Common_Cancel, action: {}), TextAlertAction(type: .genericAction, title: isScheduled ? strongSelf.presentationData.strings.VoiceChat_CancelConfirmationEnd : strongSelf.presentationData.strings.VoiceChat_EndConfirmationEnd, action: {
                            action()
                        })])
                        strongSelf.controller?.present(alertController, in: .window(.root))
                    })))
                } else {
                    items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.VoiceChat_LeaveVoiceChat, textColor: .destructive, icon: { theme in
                        return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Clear"), color: theme.actionSheet.destructiveActionTextColor)
                    }, action: { _, f in
                        f(.dismissWithoutContent)

                        guard let strongSelf = self else {
                            return
                        }

                        let _ = (strongSelf.call.leave(terminateIfPossible: false)
                        |> filter { $0 }
                        |> take(1)
                        |> deliverOnMainQueue).start(completed: {
                            self?.controller?.dismiss()
                        })
                    })))
                }
                return items
            }
        }

        private func contextMenuAudioItems() -> Signal<[ContextMenuItem], NoError> {
            guard let (availableOutputs, currentOutput) = self.audioOutputState else {
                return .single([])
            }

            var items: [ContextMenuItem] = []
            for output in availableOutputs {
                let title: String
                switch output {
                    case .builtin:
                        title = UIDevice.current.model
                    case .speaker:
                        title = self.presentationData.strings.Call_AudioRouteSpeaker
                    case .headphones:
                        title = self.presentationData.strings.Call_AudioRouteHeadphones
                    case let .port(port):
                        title = port.name
                }
                items.append(.action(ContextMenuActionItem(text: title, icon: { theme in
                    if output == currentOutput {
                        return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Check"), color: theme.actionSheet.primaryTextColor)
                    } else {
                        return nil
                    }
               }, action: { [weak self] _, f in
                    f(.default)
                    self?.call.setCurrentAudioOutput(output)
                })))
            }
            items.append(.separator)
            items.append(.action(ContextMenuActionItem(text: self.presentationData.strings.Common_Back, icon: { theme in
                return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Back"), color: theme.actionSheet.primaryTextColor)
            }, action: { [weak self] (c, _) in
                guard let strongSelf = self else {
                    return
                }
                c.setItems(strongSelf.contextMenuMainItems())
            })))
            return .single(items)
        }
        
        private func contextMenuDisplayAsItems() -> Signal<[ContextMenuItem], NoError> {
            guard let myPeerId = self.callState?.myPeerId else {
                return .single([])
            }

            let avatarSize = CGSize(width: 28.0, height: 28.0)
            let darkTheme = self.darkTheme

            return self.displayAsPeersPromise.get()
            |> take(1)
            |> map { [weak self] peers -> [ContextMenuItem] in
                guard let strongSelf = self else {
                    return []
                }

                var items: [ContextMenuItem] = []
                
                var isGroup = false
                for peer in peers {
                    if peer.peer is TelegramGroup {
                        isGroup = true
                        break
                    } else if let peer = peer.peer as? TelegramChannel, case .group = peer.info {
                        isGroup = true
                        break
                    }
                }
                
                items.append(.custom(VoiceChatInfoContextItem(text: isGroup ? strongSelf.presentationData.strings.VoiceChat_DisplayAsInfoGroup : strongSelf.presentationData.strings.VoiceChat_DisplayAsInfo, icon: { theme in
                    return generateTintedImage(image: UIImage(bundleImageName: "Call/Context Menu/Accounts"), color: theme.actionSheet.primaryTextColor)
                }), true))

                for peer in peers {
                    var subtitle: String?
                    if peer.peer.id.namespace == Namespaces.Peer.CloudUser {
                        subtitle = strongSelf.presentationData.strings.VoiceChat_PersonalAccount
                    } else if let subscribers = peer.subscribers {
                        if let peer = peer.peer as? TelegramChannel, case .broadcast = peer.info {
                            subtitle = strongSelf.presentationData.strings.Conversation_StatusSubscribers(subscribers)
                        } else {
                            subtitle = strongSelf.presentationData.strings.Conversation_StatusMembers(subscribers)
                        }
                    }

                    let isSelected = peer.peer.id == myPeerId
                    let extendedAvatarSize = CGSize(width: 35.0, height: 35.0)
                    let avatarSignal = peerAvatarCompleteImage(account: strongSelf.context.account, peer: peer.peer, size: avatarSize)
                    |> map { image -> UIImage? in
                        if isSelected, let image = image {
                            return generateImage(extendedAvatarSize, rotatedContext: { size, context in
                                let bounds = CGRect(origin: CGPoint(), size: size)
                                context.clear(bounds)
                                context.translateBy(x: size.width / 2.0, y: size.height / 2.0)
                                context.scaleBy(x: 1.0, y: -1.0)
                                context.translateBy(x: -size.width / 2.0, y: -size.height / 2.0)
                                context.draw(image.cgImage!, in: CGRect(x: (extendedAvatarSize.width - avatarSize.width) / 2.0, y: (extendedAvatarSize.height - avatarSize.height) / 2.0, width: avatarSize.width, height: avatarSize.height))

                                let lineWidth = 1.0 + UIScreenPixel
                                context.setLineWidth(lineWidth)
                                context.setStrokeColor(darkTheme.actionSheet.controlAccentColor.cgColor)
                                context.strokeEllipse(in: bounds.insetBy(dx: lineWidth / 2.0, dy: lineWidth / 2.0))
                            })
                        } else {
                            return image
                        }
                    }

                    items.append(.action(ContextMenuActionItem(text: peer.peer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder), textLayout: subtitle.flatMap { .secondLineWithValue($0) } ?? .singleLine, icon: { _ in nil }, iconSource: ContextMenuActionItemIconSource(size: isSelected ? extendedAvatarSize : avatarSize, signal: avatarSignal), action: { _, f in
                        f(.default)

                        guard let strongSelf = self else {
                            return
                        }

                        if peer.peer.id != myPeerId {
                            strongSelf.call.reconnect(as: peer.peer.id)
                        }
                    })))

                    if peer.peer.id.namespace == Namespaces.Peer.CloudUser {
                        items.append(.separator)
                    }
                }
                items.append(.separator)
                items.append(.action(ContextMenuActionItem(text: strongSelf.presentationData.strings.Common_Back, icon: { theme in
                    return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Back"), color: theme.actionSheet.primaryTextColor)
                }, action: { (c, _) in
                    guard let strongSelf = self else {
                        return
                    }
                    c.setItems(strongSelf.contextMenuMainItems())
                })))
                return items
            }
        }

        private func contextMenuPermissionItems() -> Signal<[ContextMenuItem], NoError> {
            var items: [ContextMenuItem] = []
            if let callState = self.callState, callState.canManageCall, let defaultParticipantMuteState = callState.defaultParticipantMuteState {
                let isMuted = defaultParticipantMuteState == .muted

                items.append(.action(ContextMenuActionItem(text: self.presentationData.strings.VoiceChat_SpeakPermissionEveryone, icon: { theme in
                    if isMuted {
                        return nil
                    } else {
                        return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Check"), color: theme.actionSheet.primaryTextColor)
                    }
                }, action: { [weak self] _, f in
                    f(.dismissWithoutContent)

                    guard let strongSelf = self else {
                        return
                    }
                    strongSelf.call.updateDefaultParticipantsAreMuted(isMuted: false)
                })))
                items.append(.action(ContextMenuActionItem(text: self.presentationData.strings.VoiceChat_SpeakPermissionAdmin, icon: { theme in
                    if !isMuted {
                        return nil
                    } else {
                        return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Check"), color: theme.actionSheet.primaryTextColor)
                    }
                }, action: { [weak self] _, f in
                    f(.dismissWithoutContent)

                    guard let strongSelf = self else {
                        return
                    }
                    strongSelf.call.updateDefaultParticipantsAreMuted(isMuted: true)
                })))
                items.append(.separator)
                items.append(.action(ContextMenuActionItem(text: self.presentationData.strings.Common_Back, icon: { theme in
                    return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Back"), color: theme.actionSheet.primaryTextColor)
                }, action: { [weak self] (c, _) in
                    guard let strongSelf = self else {
                        return
                    }
                    c.setItems(strongSelf.contextMenuMainItems())
                })))
            }
            return .single(items)
        }
        
        override func didLoad() {
            super.didLoad()
            
            self.view.disablesInteractiveTransitionGestureRecognizer = true
            self.view.disablesInteractiveModalDismiss = true
            
            self.dimNode.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.dimTapGesture(_:))))
            
            let longTapRecognizer = UILongPressGestureRecognizer(target: self, action: #selector(self.actionButtonPressGesture(_:)))
            longTapRecognizer.minimumPressDuration = 0.001
            longTapRecognizer.delegate = self
            self.actionButton.view.addGestureRecognizer(longTapRecognizer)
            
            let panRecognizer = DirectionalPanGestureRecognizer(target: self, action: #selector(self.panGesture(_:)))
            panRecognizer.delegate = self
            panRecognizer.delaysTouchesBegan = false
            panRecognizer.cancelsTouchesInView = true
            self.view.addGestureRecognizer(panRecognizer)
            
            if self.isScheduling {
                self.setupSchedulePickerView()
                self.updateScheduleButtonTitle()
            }
        }
        
        private func updateSchedulePickerLimits() {
            let timeZone = TimeZone(secondsFromGMT: 0)!
            var calendar = Calendar(identifier: .gregorian)
            calendar.timeZone = timeZone
            let currentDate = Date()
            var components = calendar.dateComponents(Set([.era, .year, .month, .day, .hour, .minute, .second]), from: currentDate)
            components.second = 0
            
            let roundedDate = calendar.date(from: components)!
            let next1MinDate = calendar.date(byAdding: .minute, value: 1, to: roundedDate)
            
            let minute = components.minute ?? 0
            components.minute = 0
            let roundedToHourDate = calendar.date(from: components)!
            components.hour = 0
        
            let roundedToMidnightDate = calendar.date(from: components)!
            let nextTwoHourDate = calendar.date(byAdding: .hour, value: minute > 30 ? 4 : 3, to: roundedToHourDate)
            let maxDate = calendar.date(byAdding: .day, value: 8, to: roundedToMidnightDate)
        
            if let date = calendar.date(byAdding: .day, value: 365, to: currentDate) {
                self.pickerView?.maximumDate = date
            }
            if let next1MinDate = next1MinDate, let nextTwoHourDate = nextTwoHourDate {
                self.pickerView?.minimumDate = next1MinDate
                self.pickerView?.maximumDate = maxDate
                self.pickerView?.date = nextTwoHourDate
            }
        }
        
        private func setupSchedulePickerView() {
            var currentDate: Date?
            if let pickerView = self.pickerView {
                currentDate = pickerView.date
                pickerView.removeFromSuperview()
            }
            
            let textColor = UIColor.white
            UILabel.setDateLabel(textColor)
            
            let pickerView = UIDatePicker()
            pickerView.timeZone = TimeZone(secondsFromGMT: 0)
            pickerView.datePickerMode = .countDownTimer
            pickerView.datePickerMode = .dateAndTime
            pickerView.locale = Locale.current
            pickerView.timeZone = TimeZone.current
            pickerView.minuteInterval = 1
            self.contentContainer.view.addSubview(pickerView)
            pickerView.addTarget(self, action: #selector(self.scheduleDatePickerUpdated), for: .valueChanged)
            if #available(iOS 13.4, *) {
                pickerView.preferredDatePickerStyle = .wheels
            }
            pickerView.setValue(textColor, forKey: "textColor")
            self.pickerView = pickerView
            
            self.updateSchedulePickerLimits()
            if let currentDate = currentDate {
                pickerView.date = currentDate
            }
        }
        
        private let calendar = Calendar(identifier: .gregorian)
        private func updateScheduleButtonTitle() {
            guard let date = self.pickerView?.date else {
                return
            }
            
            let calendar = Calendar(identifier: .gregorian)
            let currentTimestamp = Int32(CFAbsoluteTimeGetCurrent() + kCFAbsoluteTimeIntervalSince1970)
            let timestamp = Int32(date.timeIntervalSince1970)
            let time = stringForMessageTimestamp(timestamp: timestamp, dateTimeFormat: self.presentationData.dateTimeFormat)
            let buttonTitle: String
            if calendar.isDateInToday(date) {
                buttonTitle = self.presentationData.strings.ScheduleVoiceChat_ScheduleToday(time).0
            } else if calendar.isDateInTomorrow(date) {
                buttonTitle = self.presentationData.strings.ScheduleVoiceChat_ScheduleTomorrow(time).0
            } else {
                buttonTitle = self.presentationData.strings.ScheduleVoiceChat_ScheduleOn(self.dateFormatter.string(from: date), time).0
            }
            self.scheduleButtonTitle = buttonTitle
            
            let delta = timestamp - currentTimestamp
            
            var isGroup = true
            if let peer = self.peer as? TelegramChannel, case .broadcast = peer.info {
                isGroup = false
            }
            let intervalString = scheduledTimeIntervalString(strings: self.presentationData.strings, value: max(60, delta))
            self.scheduleTextNode.attributedText = NSAttributedString(string: isGroup ? self.presentationData.strings.ScheduleVoiceChat_GroupText(intervalString).0 : self.presentationData.strings.ScheduleVoiceChat_ChannelText(intervalString).0, font: Font.regular(14.0), textColor: UIColor(rgb: 0x8e8e93))
            
            if let (layout, navigationHeight) = self.validLayout {
                self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.3, curve: .spring))
            }
        }
        
        @objc private func scheduleDatePickerUpdated() {
            self.updateScheduleButtonTitle()
        }
        
        private func schedule() {
            if let date = self.pickerView?.date, date > Date() {
                self.call.schedule(timestamp: Int32(date.timeIntervalSince1970))
                                   
                self.isScheduling = false
                self.transitionToScheduled()
                if let (layout, navigationHeight) = self.validLayout {
                    self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.3, curve: .spring))
                }
            }
        }
        
        private func dismissScheduled() {
            self.leaveDisposable.set((self.call.leave(terminateIfPossible: true)
            |> deliverOnMainQueue).start(completed: { [weak self] in
                self?.controller?.dismiss(closing: true)
            }))
        }
        
        private func transitionToScheduled() {
            let springDuration: Double = 0.6
            let springDamping: CGFloat = 100.0
            
            self.optionsButton.alpha = 1.0
            self.optionsButton.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
            self.optionsButton.layer.animateSpring(from: 0.01 as NSNumber, to: 1.0 as NSNumber, keyPath: "transform.scale", duration: springDuration, damping: springDamping)
            self.optionsButton.isUserInteractionEnabled = true
            
            self.closeButton.alpha = 1.0
            self.closeButton.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
            self.closeButton.layer.animateSpring(from: 0.01 as NSNumber, to: 1.0 as NSNumber, keyPath: "transform.scale", duration: springDuration, damping: springDamping)
            self.closeButton.isUserInteractionEnabled = true
            
            self.audioButton.alpha = 1.0
            self.audioButton.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
            self.audioButton.layer.animateSpring(from: 0.01 as NSNumber, to: 1.0 as NSNumber, keyPath: "transform.scale", duration: springDuration, damping: springDamping)
            self.audioButton.isUserInteractionEnabled = true
            
            self.leaveButton.alpha = 1.0
            self.leaveButton.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
            self.leaveButton.layer.animateSpring(from: 0.01 as NSNumber, to: 1.0 as NSNumber, keyPath: "transform.scale", duration: springDuration, damping: springDamping)
            self.leaveButton.isUserInteractionEnabled = true
            
            self.scheduleCancelButton.alpha = 0.0
            self.scheduleCancelButton.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15)
            self.scheduleCancelButton.layer.animatePosition(from: CGPoint(), to: CGPoint(x: 0.0, y: 26.0), duration: 0.2, removeOnCompletion: false, additive: true)
            
            self.actionButton.titleLabel.layer.animatePosition(from: CGPoint(x: 0.0, y: -26.0), to: CGPoint(), duration: 0.2, additive: true)
            
            if let pickerView = self.pickerView {
                self.pickerView = nil
                pickerView.alpha = 0.0
                pickerView.layer.animateScale(from: 1.0, to: 0.25, duration: 0.15, removeOnCompletion: false)
                pickerView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false, completion: { [weak pickerView] _ in
                    pickerView?.removeFromSuperview()
                })
                pickerView.isUserInteractionEnabled = false
            }
            
            self.timerNode.isHidden = false
            self.timerNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.25)
            self.timerNode.animateIn()
            
            self.scheduleTextNode.alpha = 0.0
            self.scheduleTextNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25)
            
            self.updateTitle(slide: true, transition: .animated(duration: 0.2, curve: .easeInOut))
        }
        
        private func transitionToCall() {
            self.updateDecorationsColors()
            
            self.listNode.alpha = 1.0
            self.listNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
            self.listNode.isUserInteractionEnabled = true
            
            self.timerNode.alpha = 0.0
            self.timerNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, completion: { [weak self] _ in
                self?.timerNode.isHidden = true
            })
                        
            if self.audioButton.isHidden {
                self.audioButton.isHidden = false
                self.audioButton.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
                self.audioButton.layer.animateSpring(from: 0.01 as NSNumber, to: 1.0 as NSNumber, keyPath: "transform.scale", duration: 0.6, damping: 100.0)
            }
            
            self.updateTitle(transition: .animated(duration: 0.2, curve: .easeInOut))
        }
        
        @objc private func optionsPressed() {
            self.optionsButton.play()
            self.optionsButton.contextAction?(self.optionsButton.containerNode, nil)
        }
        
        @objc private func closePressed() {
            self.controller?.dismiss(closing: false)
            self.controller?.dismissAllTooltips()
        }
        
        @objc private func panelPressed() {
            guard let (layout, navigationHeight) = self.validLayout, !self.animatingExpansion && !self.animatingMainStage && !self.mainStageNode.animating else {
                return
            }
            self.panelHidden = !self.panelHidden
            
            self.animatingExpansion = true
            let transition = ContainedViewLayoutTransition.animated(duration: 0.3, curve: .easeInOut)
            self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: transition)
            self.updateDecorationsLayout(transition: transition)
        }
        
        @objc private func leavePressed() {
            self.hapticFeedback.impact(.light)
            self.controller?.dismissAllTooltips()
            
            if let callState = self.callState, callState.canManageCall {
                let action: () -> Void = { [weak self] in
                    guard let strongSelf = self else {
                        return
                    }

                    strongSelf.leaveDisposable.set((strongSelf.call.leave(terminateIfPossible: true)
                    |> deliverOnMainQueue).start(completed: {
                        self?.controller?.dismiss()
                    }))
                }
                
                let actionSheet = ActionSheetController(presentationData: self.presentationData.withUpdated(theme: self.darkTheme))
                var items: [ActionSheetItem] = []
                
                items.append(ActionSheetTextItem(title: self.presentationData.strings.VoiceChat_LeaveConfirmation))
                items.append(ActionSheetButtonItem(title: self.isScheduled ? self.presentationData.strings.VoiceChat_LeaveAndCancelVoiceChat : self.presentationData.strings.VoiceChat_LeaveAndEndVoiceChat, color: .destructive, action: { [weak self, weak actionSheet] in
                    actionSheet?.dismissAnimated()
                    
                    if let strongSelf = self {
                        if let (members, _) = strongSelf.currentCallMembers, members.count >= 10 || true {
                            let alertController = textAlertController(context: strongSelf.context, forceTheme: strongSelf.darkTheme, title: strongSelf.isScheduled ? strongSelf.presentationData.strings.VoiceChat_CancelConfirmationTitle : strongSelf.presentationData.strings.VoiceChat_EndConfirmationTitle, text: strongSelf.isScheduled ? strongSelf.presentationData.strings.VoiceChat_CancelConfirmationText :  strongSelf.presentationData.strings.VoiceChat_EndConfirmationText, actions: [TextAlertAction(type: .defaultAction, title: strongSelf.presentationData.strings.Common_Cancel, action: {}), TextAlertAction(type: .genericAction, title: strongSelf.isScheduled ? strongSelf.presentationData.strings.VoiceChat_CancelConfirmationEnd :  strongSelf.presentationData.strings.VoiceChat_EndConfirmationEnd, action: {
                                action()
                            })])
                            strongSelf.controller?.present(alertController, in: .window(.root))
                        } else {
                            action()
                        }
                    }
                }))
                items.append(ActionSheetButtonItem(title: self.presentationData.strings.VoiceChat_LeaveVoiceChat, color: .accent, action: { [weak self, weak actionSheet] in
                    actionSheet?.dismissAnimated()
                    
                    guard let strongSelf = self else {
                        return
                    }
                    
                    strongSelf.leaveDisposable.set((strongSelf.call.leave(terminateIfPossible: false)
                    |> deliverOnMainQueue).start(completed: { [weak self] in
                        self?.controller?.dismiss(closing: true)
                    }))
                }))
                
                actionSheet.setItemGroups([
                    ActionSheetItemGroup(items: items),
                    ActionSheetItemGroup(items: [
                        ActionSheetButtonItem(title: self.presentationData.strings.Common_Cancel, color: .accent, font: .bold, action: { [weak actionSheet] in
                            actionSheet?.dismissAnimated()
                        })
                    ])
                ])
                self.controller?.present(actionSheet, in: .window(.root))
            } else {
                self.leaveDisposable.set((self.call.leave(terminateIfPossible: false)
                |> deliverOnMainQueue).start(completed: { [weak self] in
                    self?.controller?.dismiss(closing: true)
                }))
            }
        }
        
        @objc func dimTapGesture(_ recognizer: UITapGestureRecognizer) {
            if case .ended = recognizer.state {
                if self.isScheduling {
                    self.dismissScheduled()
                } else {
                    self.controller?.dismiss(closing: false)
                    self.controller?.dismissAllTooltips()
                }
            }
        }
        
        private func presentUndoOverlay(content: UndoOverlayContent, action: @escaping (UndoOverlayAction) -> Bool) {
            var animateInAsReplacement = false
            self.controller?.forEachController { c in
                if let c = c as? UndoOverlayController {
                    animateInAsReplacement = true
                    c.dismiss()
                }
                return true
            }
            self.controller?.present(UndoOverlayController(presentationData: self.presentationData, content: content, elevatedLayout: false, animateInAsReplacement: animateInAsReplacement, action: action), in: .current)
        }
        
        private func presentShare(_ inviteLinks: GroupCallInviteLinks) {
            let formatSendTitle: (String) -> String = { string in
                var string = string
                if string.contains("[") && string.contains("]") {
                    if let startIndex = string.firstIndex(of: "["), let endIndex = string.firstIndex(of: "]") {
                        string.removeSubrange(startIndex ... endIndex)
                    }
                } else {
                    string = string.trimmingCharacters(in: CharacterSet(charactersIn: "0123456789-,."))
                }
                return string
            }
            
            let _ = (self.context.account.postbox.loadedPeerWithId(self.call.peerId)
            |> deliverOnMainQueue).start(next: { [weak self] peer in
                if let strongSelf = self {
                    var inviteLinks = inviteLinks
                    
                    if let peer = peer as? TelegramChannel, case .group = peer.info, !peer.flags.contains(.isGigagroup), !(peer.addressName ?? "").isEmpty, let callState = strongSelf.callState, let defaultParticipantMuteState = callState.defaultParticipantMuteState {
                        let isMuted = defaultParticipantMuteState == .muted
                        
                        if !isMuted {
                            inviteLinks = GroupCallInviteLinks(listenerLink: inviteLinks.listenerLink, speakerLink: nil)
                        }
                    }
                    
                    let presentationData = strongSelf.presentationData
                    
                    var segmentedValues: [ShareControllerSegmentedValue]?
                    if let speakerLink = inviteLinks.speakerLink {
                        segmentedValues = [ShareControllerSegmentedValue(title: presentationData.strings.VoiceChat_InviteLink_Speaker, subject: .url(speakerLink), actionTitle: presentationData.strings.VoiceChat_InviteLink_CopySpeakerLink, formatSendTitle: { count in
                            return formatSendTitle(presentationData.strings.VoiceChat_InviteLink_InviteSpeakers(Int32(count)))
                        }), ShareControllerSegmentedValue(title: presentationData.strings.VoiceChat_InviteLink_Listener, subject: .url(inviteLinks.listenerLink), actionTitle: presentationData.strings.VoiceChat_InviteLink_CopyListenerLink, formatSendTitle: { count in
                            return formatSendTitle(presentationData.strings.VoiceChat_InviteLink_InviteListeners(Int32(count)))
                        })]
                    }
                    let shareController = ShareController(context: strongSelf.context, subject: .url(inviteLinks.listenerLink), segmentedValues: segmentedValues, forceTheme: strongSelf.darkTheme, forcedActionTitle: presentationData.strings.VoiceChat_CopyInviteLink)
                    shareController.completed = { [weak self] peerIds in
                        if let strongSelf = self {
                            let _ = (strongSelf.context.account.postbox.transaction { transaction -> [Peer] in
                                var peers: [Peer] = []
                                for peerId in peerIds {
                                    if let peer = transaction.getPeer(peerId) {
                                        peers.append(peer)
                                    }
                                }
                                return peers
                            } |> deliverOnMainQueue).start(next: { [weak self] peers in
                                if let strongSelf = self {
                                    let presentationData = strongSelf.context.sharedContext.currentPresentationData.with { $0 }
                                    
                                    let text: String
                                    var isSavedMessages = false
                                    if peers.count == 1, let peer = peers.first {
                                        isSavedMessages = peer.id == strongSelf.context.account.peerId
                                        let peerName = peer.id == strongSelf.context.account.peerId ? presentationData.strings.DialogList_SavedMessages : peer.displayTitle(strings: presentationData.strings, displayOrder: presentationData.nameDisplayOrder)
                                        text = presentationData.strings.VoiceChat_ForwardTooltip_Chat(peerName).0
                                    } else if peers.count == 2, let firstPeer = peers.first, let secondPeer = peers.last {
                                        let firstPeerName = firstPeer.id == strongSelf.context.account.peerId ? presentationData.strings.DialogList_SavedMessages : firstPeer.displayTitle(strings: presentationData.strings, displayOrder: presentationData.nameDisplayOrder)
                                        let secondPeerName = secondPeer.id == strongSelf.context.account.peerId ? presentationData.strings.DialogList_SavedMessages : secondPeer.displayTitle(strings: presentationData.strings, displayOrder: presentationData.nameDisplayOrder)
                                        text = presentationData.strings.VoiceChat_ForwardTooltip_TwoChats(firstPeerName, secondPeerName).0
                                    } else if let peer = peers.first {
                                        let peerName = peer.displayTitle(strings: presentationData.strings, displayOrder: presentationData.nameDisplayOrder)
                                        text = presentationData.strings.VoiceChat_ForwardTooltip_ManyChats(peerName, "\(peers.count - 1)").0
                                    } else {
                                        text = ""
                                    }
                                    
                                    strongSelf.controller?.present(UndoOverlayController(presentationData: presentationData, content: .forward(savedMessages: isSavedMessages, text: text), elevatedLayout: false, animateInAsReplacement: true, action: { _ in return false }), in: .current)
                                }
                            })
                        }
                    }
                    shareController.actionCompleted = { [weak self] in
                        if let strongSelf = self {
                            let presentationData = strongSelf.context.sharedContext.currentPresentationData.with { $0 }
                            strongSelf.controller?.present(UndoOverlayController(presentationData: presentationData, content: .linkCopied(text: presentationData.strings.VoiceChat_InviteLinkCopiedText), elevatedLayout: false, animateInAsReplacement: false, action: { _ in return false }), in: .window(.root))
                        }
                    }
                    strongSelf.controller?.present(shareController, in: .window(.root))
                }
            })
        }
        
        private var actionButtonPressTimer: SwiftSignalKit.Timer?
        private var actionButtonPressedTimestamp: Double?
        private func startActionButtonPressTimer() {
            self.actionButtonPressTimer?.invalidate()
            let pressTimer = SwiftSignalKit.Timer(timeout: 0.185, repeat: false, completion: { [weak self] in
                self?.actionButtonPressedTimestamp = CACurrentMediaTime()
                self?.actionButtonPressTimerFired()
                self?.actionButtonPressTimer = nil
            }, queue: Queue.mainQueue())
            self.actionButtonPressTimer = pressTimer
            pressTimer.start()
        }
        
        private func stopActionButtonPressTimer() {
            self.actionButtonPressTimer?.invalidate()
            self.actionButtonPressTimer = nil
        }
        
        private func actionButtonPressTimerFired() {
            guard let callState = self.callState else {
                return
            }
            if callState.muteState != nil {
                self.pushingToTalk = true
                self.call.setIsMuted(action: .muted(isPushToTalkActive: true))
            }
                        
            if let (layout, navigationHeight) = self.validLayout {
                self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.3, curve: .spring))
            }
            
            self.updateMembers()
        }
        
        @objc private func actionButtonPressGesture(_ gestureRecognizer: UILongPressGestureRecognizer) {
            guard let callState = self.callState else {
                return
            }
            if case .connecting = callState.networkState, callState.scheduleTimestamp == nil && !self.isScheduling {
                return
            }
            if callState.scheduleTimestamp != nil || self.isScheduling {
                switch gestureRecognizer.state {
                    case .began:
                        self.actionButton.pressing = true
                        self.hapticFeedback.impact(.light)
                    case .ended, .cancelled:
                        self.actionButton.pressing = false
                        
                        let location = gestureRecognizer.location(in: self.actionButton.view)
                        if self.actionButton.hitTest(location, with: nil) != nil {
                            if self.isScheduling {
                                self.schedule()
                            } else if callState.canManageCall {
                                self.call.startScheduled()
                            } else {
                                if !callState.subscribedToScheduled {
                                    let location = self.actionButton.view.convert(self.actionButton.bounds, to: self.view).center
                                    let point = CGRect(origin: CGPoint(x: location.x - 5.0, y: location.y - 5.0 - 68.0), size: CGSize(width: 10.0, height: 10.0))
                                    self.controller?.present(TooltipScreen(text: self.presentationData.strings.VoiceChat_ReminderNotify, style: .gradient(UIColor(rgb: 0x262c5a), UIColor(rgb: 0x5d2835)), icon: nil, location: .point(point, .bottom), displayDuration: .custom(3.0), shouldDismissOnTouch: { _ in
                                        return .dismiss(consume: false)
                                    }), in: .window(.root))
                                }
                                self.call.toggleScheduledSubscription(!callState.subscribedToScheduled)
                            }
                        }
                    default:
                        break
                }
                return
            }
            if let muteState = callState.muteState {
                if !muteState.canUnmute {
                    switch gestureRecognizer.state {
                        case .began:
                            self.actionButton.pressing = true
                            self.hapticFeedback.impact(.light)
                        case .ended, .cancelled:
                            self.actionButton.pressing = false
                            
                            let location = gestureRecognizer.location(in: self.actionButton.view)
                            if self.actionButton.hitTest(location, with: nil) != nil {
                                self.call.raiseHand()
                                self.actionButton.playAnimation()
                            }
                        default:
                            break
                    }
                    return
                }
            }
            switch gestureRecognizer.state {
                case .began:
                    self.actionButton.pressing = true
                    self.hapticFeedback.impact(.light)
                    self.actionButtonPressedTimestamp = nil
                    self.startActionButtonPressTimer()
                    if let (layout, navigationHeight) = self.validLayout {
                        self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.3, curve: .spring))
                    }
                case .ended, .cancelled:
                    if self.actionButtonPressTimer != nil {
                        self.pushingToTalk = false
                        self.actionButton.pressing = false
                        
                        self.stopActionButtonPressTimer()
                        self.call.toggleIsMuted()
                    } else {
                        self.hapticFeedback.impact(.light)
                        if self.pushingToTalk, let timestamp = self.actionButtonPressedTimestamp, CACurrentMediaTime() < timestamp + 0.5 {
                            self.pushingToTalk = false
                            self.temporaryPushingToTalk = true
                            self.call.setIsMuted(action: .unmuted)
                            
                            Queue.mainQueue().after(0.1) {
                                self.temporaryPushingToTalk = false
                                self.actionButton.pressing = false
                                
                                if let (layout, navigationHeight) = self.validLayout {
                                    self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.3, curve: .spring))
                                }
                            }
                        } else {
                            self.pushingToTalk = false
                            self.actionButton.pressing = false
                            
                            self.call.setIsMuted(action: .muted(isPushToTalkActive: false))
                        }
                    }
                    
                    if let callState = self.callState {
                        self.itemInteraction?.updateAudioLevels([(callState.myPeerId, 0, 0.0, false)], reset: true)
                    }
                                        
                    if let (layout, navigationHeight) = self.validLayout {
                        self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.3, curve: .spring))
                    }
                    self.updateMembers()
                default:
                    break
            }
        }
        
        @objc private func actionPressed() {
            if self.isScheduling {
                self.schedule()
            }
        }
        
        @objc private func audioPressed() {
            self.hapticFeedback.impact(.light)
                        
            if let _ = self.callState?.scheduleTimestamp {
                if let callState = self.callState, let peer = self.peer, !callState.canManageCall && (peer.addressName?.isEmpty ?? true) {
                    return
                }
                
                let _ = (self.inviteLinksPromise.get()
                |> take(1)
                |> deliverOnMainQueue).start(next: { [weak self] inviteLinks in
                    guard let strongSelf = self else {
                        return
                    }
                    
                    let callPeerId = strongSelf.call.peerId
                    let _ = (strongSelf.context.account.postbox.transaction { transaction -> GroupCallInviteLinks? in
                        if let inviteLinks = inviteLinks {
                            return inviteLinks
                        } else if let peer = transaction.getPeer(callPeerId), let addressName = peer.addressName, !addressName.isEmpty {
                            return GroupCallInviteLinks(listenerLink: "https://t.me/\(addressName)?voicechat", speakerLink: nil)
                        } else if let cachedData = transaction.getPeerCachedData(peerId: callPeerId) {
                            if let cachedData = cachedData as? CachedChannelData, let link = cachedData.exportedInvitation?.link {
                                return GroupCallInviteLinks(listenerLink: link, speakerLink: nil)
                            } else if let cachedData = cachedData as? CachedGroupData, let link = cachedData.exportedInvitation?.link {
                                return GroupCallInviteLinks(listenerLink: link, speakerLink: nil)
                            }
                        }
                        return nil
                    }
                    |> deliverOnMainQueue).start(next: { links in
                        guard let strongSelf = self else {
                            return
                        }
                        
                        if let links = links {
                            strongSelf.presentShare(links)
                        }
                    })
                })
                return
            }
            
            guard let (availableOutputs, currentOutput) = self.audioOutputState else {
                return
            }
            guard availableOutputs.count >= 2 else {
                return
            }

            if availableOutputs.count == 2 {
                for output in availableOutputs {
                    if output != currentOutput {
                        self.call.setCurrentAudioOutput(output)
                        break
                    }
                }
            } else {
                let actionSheet = ActionSheetController(presentationData: self.presentationData.withUpdated(theme: self.darkTheme))
                var items: [ActionSheetItem] = []
                for output in availableOutputs {
                    let title: String
                    var icon: UIImage?
                    switch output {
                        case .builtin:
                            title = UIDevice.current.model
                        case .speaker:
                            title = self.presentationData.strings.Call_AudioRouteSpeaker
                            icon = generateScaledImage(image: UIImage(bundleImageName: "Call/CallSpeakerButton"), size: CGSize(width: 48.0, height: 48.0), opaque: false)
                        case .headphones:
                            title = self.presentationData.strings.Call_AudioRouteHeadphones
                        case let .port(port):
                            title = port.name
                            if port.type == .bluetooth {
                                var image = UIImage(bundleImageName: "Call/CallBluetoothButton")
                                let portName = port.name.lowercased()
                                if portName.contains("airpods max") {
                                    image = UIImage(bundleImageName: "Call/CallAirpodsMaxButton")
                                } else if portName.contains("airpods pro") {
                                    image = UIImage(bundleImageName: "Call/CallAirpodsProButton")
                                } else if portName.contains("airpods") {
                                    image = UIImage(bundleImageName: "Call/CallAirpodsButton")
                                }
                                icon = generateScaledImage(image: image, size: CGSize(width: 48.0, height: 48.0), opaque: false)
                            }
                    }
                    items.append(CallRouteActionSheetItem(title: title, icon: icon, selected: output == currentOutput, action: { [weak self, weak actionSheet] in
                        actionSheet?.dismissAnimated()
                        self?.call.setCurrentAudioOutput(output)
                    }))
                }
                
                actionSheet.setItemGroups([ActionSheetItemGroup(items: items), ActionSheetItemGroup(items: [
                        ActionSheetButtonItem(title: self.presentationData.strings.Call_AudioRouteHide, color: .accent, font: .bold, action: { [weak actionSheet] in
                            actionSheet?.dismissAnimated()
                        })
                    ])
                ])
                self.controller?.present(actionSheet, in: .window(.calls))
            }
        }
        
        @objc private func cameraPressed() {
            self.hapticFeedback.impact(.light)
            if self.call.hasVideo {
                self.call.disableVideo()
                
                if let (layout, navigationHeight) = self.validLayout {
                    self.animatingButtonsSwap = true
                    self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.4, curve: .spring))
                }
            } else {
                DeviceAccess.authorizeAccess(to: .camera(.videoCall), onlyCheck: true, presentationData: self.presentationData.withUpdated(theme: self.darkTheme), present: { [weak self] c, a in
                    self?.controller?.present(c, in: .window(.root), with: a)
                }, openSettings: { [weak self] in
                    self?.context.sharedContext.applicationBindings.openSettings()
                }, _: { [weak self] ready in
                    guard let strongSelf = self, ready else {
                        return
                    }
                    strongSelf.call.makeOutgoingVideoView(requestClone: false, completion: { [weak self] view, _ in
                        guard let strongSelf = self, let view = view else {
                            return
                        }
                        let cameraNode = GroupVideoNode(videoView: view, backdropVideoView: nil)
                        let controller = VoiceChatCameraPreviewController(context: strongSelf.context, cameraNode: cameraNode, shareCamera: { [weak self] videoNode, unmuted in
                            if let strongSelf = self {
                                strongSelf.call.setIsMuted(action: unmuted ? .unmuted : .muted(isPushToTalkActive: false))
                                strongSelf.call.requestVideo()
                                
                                if let (layout, navigationHeight) = strongSelf.validLayout {
                                    strongSelf.animatingButtonsSwap = true
                                    strongSelf.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.4, curve: .spring))
                                }
                            }
                        }, switchCamera: { [weak self] in
                            Queue.mainQueue().after(0.1) {
                                self?.call.switchVideoCamera()
                            }
                        })
                        strongSelf.controller?.present(controller, in: .window(.root))
                    })
                })
            }
        }
        
        @objc private func switchCameraPressed() {
            self.hapticFeedback.impact(.light)
            Queue.mainQueue().after(0.1) {
                self.call.switchVideoCamera()
            }
            
            if let callState = self.callState {
                for entry in self.currentFullscreenEntries {
                    if case let .peer(peerEntry, _) = entry {
                        if peerEntry.peer.id == callState.myPeerId {
                            if let videoEndpointId = peerEntry.videoEndpointId, let videoNode = self.videoNodes[videoEndpointId] {
                                videoNode.flip(withBackground: false)
                            }
                            break
                        }
                    }
                }
            }
            self.mainStageNode.flipVideoIfNeeded()
            
            let springDuration: Double = 0.7
            let springDamping: CGFloat = 100.0
            self.switchCameraButton.isUserInteractionEnabled = false
            self.switchCameraButton.layer.animateSpring(from: 0.0 as NSNumber, to: CGFloat.pi as NSNumber, keyPath: "transform.rotation.z", duration: springDuration, damping: springDamping, completion: { [weak self] _ in
                self?.switchCameraButton.isUserInteractionEnabled = true
            })
        }
        
        private var isLandscape: Bool {
            if let (layout, _) = self.validLayout, layout.size.width > layout.size.height, case .compact = layout.metrics.widthClass {
                return true
            } else {
                return false
            }
        }
        
        private var effectiveBottomAreaHeight: CGFloat {
            if let (layout, _) = self.validLayout, case .regular = layout.metrics.widthClass {
                return bottomAreaHeight
            }
            switch self.displayMode {
                case .modal:
                    return bottomAreaHeight
                case let .fullscreen(controlsHidden):
                    return controlsHidden ? 0.0 : fullscreenBottomAreaHeight
            }
        }
        
        private var isFullscreen: Bool {
            switch self.displayMode {
                case .fullscreen(_), .modal(_, true):
                    return true
                default:
                    return false
            }
        }
                
        private func updateDecorationsLayout(transition: ContainedViewLayoutTransition, completion: (() -> Void)? = nil) {
            guard let (layout, _) = self.validLayout else {
                return
            }
           
            let isLandscape = self.isLandscape
            
            let layoutTopInset: CGFloat = max(layout.statusBarHeight ?? 0.0, layout.safeInsets.top)
            let listTopInset = isLandscape ? topPanelHeight : layoutTopInset + topPanelHeight
            let bottomPanelHeight = isLandscape ? layout.intrinsicInsets.bottom : bottomAreaHeight + layout.intrinsicInsets.bottom
            
            let size = layout.size
            let contentWidth: CGFloat
            var contentLeftInset: CGFloat = 0.0
            var forceUpdate = false
            if case .regular = layout.metrics.widthClass {
                contentWidth = max(320.0, min(375.0, floor(size.width * 0.3)))
                if self.peerIdToEndpointId.isEmpty {
                    contentLeftInset = 0.0
                } else {
                    contentLeftInset = self.panelHidden ? layout.size.width : layout.size.width - contentWidth
                }
                forceUpdate = true
            } else {
                contentWidth = isLandscape ? min(530.0, size.width - 210.0) : size.width
            }
            
            let listSize = CGSize(width: contentWidth, height: layout.size.height - listTopInset - bottomPanelHeight + bottomGradientHeight)
            let topInset: CGFloat
            if let (panInitialTopInset, panOffset) = self.panGestureArguments {
                if self.isExpanded {
                    topInset = min(self.topInset ?? listSize.height, panInitialTopInset + max(0.0, panOffset))
                } else {
                    topInset = max(0.0, panInitialTopInset + min(0.0, panOffset))
                }
            } else if case .regular = layout.metrics.widthClass {
                topInset = 0.0
            } else if let currentTopInset = self.topInset {
                topInset = self.isExpanded ? 0.0 : currentTopInset
            } else {
                topInset = listSize.height - 46.0 - floor(56.0 * 3.5)
            }
            
            var bottomEdge: CGFloat = 0.0
            if case .regular = layout.metrics.widthClass {
                bottomEdge = size.height
            } else {
                self.listNode.forEachItemNode { itemNode in
                    if let itemNode = itemNode as? ListViewItemNode {
                        let convertedFrame = self.listNode.view.convert(itemNode.frame, to: self.contentContainer.view)
                        if convertedFrame.maxY > bottomEdge {
                            bottomEdge = convertedFrame.maxY
                        }
                    }
                }
                if bottomEdge.isZero {
                    bottomEdge = self.listNode.frame.minY + 46.0 + 56.0
                }
            }
            
            let rawPanelOffset = topInset + listTopInset - topPanelHeight
            let panelOffset = max(layoutTopInset, rawPanelOffset)
            let topPanelFrame: CGRect
            if isLandscape {
                topPanelFrame = CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: CGSize(width: size.width, height: topPanelHeight))
            } else {
                topPanelFrame = CGRect(origin: CGPoint(x: 0.0, y: panelOffset), size: CGSize(width: size.width, height: topPanelHeight))
            }
            
            let sideInset: CGFloat = 14.0
            
            let bottomPanelCoverHeight = bottomAreaHeight + layout.intrinsicInsets.bottom
            var bottomGradientFrame = CGRect(origin: CGPoint(x: 0.0, y: layout.size.height - bottomPanelCoverHeight), size: CGSize(width: size.width, height: bottomGradientHeight))
            if isLandscape {
                bottomGradientFrame.origin.y = layout.size.height
            }
            
            let transitionContainerFrame = CGRect(x: 0.0, y: 0.0, width: layout.size.width, height: layout.size.height)
            transition.updateFrame(node: self.transitionContainerNode, frame: transitionContainerFrame)
            transition.updateFrame(view: self.transitionMaskView, frame: CGRect(x: 0.0, y: 0.0, width: transitionContainerFrame.width, height: transitionContainerFrame.height))
            let updateMaskLayers = {
                var topPanelFrame = topPanelFrame
                if self.animatingContextMenu {
                    topPanelFrame.origin.y = 0.0
                }
                transition.updateFrame(layer: self.transitionMaskTopFillLayer, frame: CGRect(x: 0.0, y: 0.0, width: transitionContainerFrame.width, height: topPanelFrame.maxY))
                transition.updateFrame(layer: self.transitionMaskFillLayer, frame: CGRect(x: 0.0, y: topPanelFrame.maxY, width: transitionContainerFrame.width, height: bottomGradientFrame.minY - topPanelFrame.maxY))
                transition.updateFrame(layer: self.transitionMaskGradientLayer, frame: CGRect(x: 0.0, y: bottomGradientFrame.minY, width: transitionContainerFrame.width, height: bottomGradientFrame.height))
                transition.updateFrame(layer: self.transitionMaskBottomFillLayer, frame: CGRect(x: 0.0, y: bottomGradientFrame.minY, width: transitionContainerFrame.width, height: max(0.0, transitionContainerFrame.height - bottomGradientFrame.minY)))
            }
            if transition.isAnimated {
                updateMaskLayers()
            } else {
                CATransaction.begin()
                CATransaction.setDisableActions(true)
                updateMaskLayers()
                CATransaction.commit()
            }
            
            var bottomInset: CGFloat = 0.0
            if case .compact = layout.metrics.widthClass, case let .fullscreen(controlsHidden) = self.displayMode {
                if !controlsHidden {
                    bottomInset = 80.0
                }
            }
            transition.updateAlpha(node: self.bottomGradientNode, alpha: self.isLandscape ? 0.0 : 1.0)
            
            var isTablet = false
            let videoFrame: CGRect
            let videoContainerFrame: CGRect
            if case .regular = layout.metrics.widthClass {
                isTablet = true
                let videoTopEdgeY = topPanelFrame.maxY
                let videoBottomEdgeY = layout.size.height - layout.intrinsicInsets.bottom
                videoFrame = CGRect(x: sideInset, y: 0.0, width: contentLeftInset - sideInset, height: videoBottomEdgeY - videoTopEdgeY)
                videoContainerFrame = CGRect(origin: CGPoint(x: 0.0, y: videoTopEdgeY), size: CGSize(width: contentLeftInset, height: layout.size.height))
            } else {
                let videoTopEdgeY = isLandscape ? 0.0 : layoutTopInset
                let videoBottomEdgeY = self.isLandscape ? layout.size.height : layout.size.height - layout.intrinsicInsets.bottom - 92.0
                videoFrame = CGRect(x: 0.0, y: videoTopEdgeY, width: isLandscape ? max(0.0, layout.size.width - layout.safeInsets.right - 92.0) : layout.size.width, height: videoBottomEdgeY - videoTopEdgeY)
                videoContainerFrame = CGRect(origin: CGPoint(), size: layout.size)
            }
            transition.updateFrame(node: self.mainStageContainerNode, frame: videoContainerFrame)
            transition.updateFrame(node: self.mainStageBackgroundNode, frame: videoFrame)
            if !self.mainStageNode.animating {
                transition.updateFrame(node: self.mainStageNode, frame: videoFrame)
            }
            self.mainStageNode.update(size: videoFrame.size, sideInset: layout.safeInsets.left, bottomInset: self.isLandscape ? 0.0 : bottomInset, isLandscape: videoFrame.width > videoFrame.height, isTablet: isTablet, transition: transition)
            
            let backgroundFrame = CGRect(origin: CGPoint(x: 0.0, y: topPanelFrame.maxY), size: CGSize(width: size.width, height: layout.size.height))
            
            let leftBorderFrame: CGRect
            let rightBorderFrame: CGRect
            let additionalInset: CGFloat = 60.0
            let additionalSideInset = (size.width - contentWidth) / 2.0
            let additionalLeftInset = size.width / 2.0
            if isLandscape {
                leftBorderFrame = CGRect(origin: CGPoint(x: 0.0, y: topPanelFrame.maxY - additionalInset), size: CGSize(width: (size.width - contentWidth) / 2.0 + sideInset, height: layout.size.height))
                rightBorderFrame = CGRect(origin: CGPoint(x: size.width - (size.width - contentWidth) / 2.0 - sideInset, y: topPanelFrame.maxY - additionalInset), size: CGSize(width: layout.safeInsets.right + (size.width - contentWidth) / 2.0 + sideInset, height: layout.size.height))
            } else {
                var isFullscreen = false
                if case .fullscreen = self.displayMode {
                    isFullscreen = true
                    forceUpdate = true
                }
                leftBorderFrame = CGRect(origin: CGPoint(x: -additionalInset - additionalLeftInset, y: topPanelFrame.maxY - additionalInset * (isFullscreen ? 0.95 : 0.8)), size: CGSize(width: sideInset + additionalInset + additionalLeftInset + (contentLeftInset.isZero ? additionalSideInset : contentLeftInset), height: layout.size.height))
                rightBorderFrame = CGRect(origin: CGPoint(x: size.width - sideInset - (contentLeftInset.isZero ? additionalSideInset : 0.0), y: topPanelFrame.maxY - additionalInset * (isFullscreen ? 0.95 : 0.8)), size: CGSize(width: sideInset + additionalInset + additionalLeftInset + additionalSideInset, height: layout.size.height))
            }
            
            let topCornersFrame = CGRect(x: sideInset + (contentLeftInset.isZero ? floorToScreenPixels((size.width - contentWidth) / 2.0) : contentLeftInset), y: topPanelFrame.maxY - 60.0, width: contentWidth - sideInset * 2.0, height: 50.0 + 60.0)
            
            let previousTopPanelFrame = self.topPanelNode.frame
            let previousBackgroundFrame = self.backgroundNode.frame
            let previousLeftBorderFrame = self.leftBorderNode.frame
            let previousRightBorderFrame = self.rightBorderNode.frame
            
            if !topPanelFrame.equalTo(previousTopPanelFrame) || forceUpdate {
                if topPanelFrame.width != previousTopPanelFrame.width {
                    transition.updateFrame(node: self.topPanelNode, frame: topPanelFrame)
                    transition.updateFrame(node: self.topCornersNode, frame: topCornersFrame)
                    transition.updateFrame(node: self.backgroundNode, frame: backgroundFrame)
                    transition.updateFrame(node: self.leftBorderNode, frame: leftBorderFrame)
                    transition.updateFrame(node: self.rightBorderNode, frame: rightBorderFrame)
                } else {
                    self.topPanelNode.frame = topPanelFrame
                    let positionDelta = CGPoint(x: 0.0, y: topPanelFrame.minY - previousTopPanelFrame.minY)
                    transition.animateOffsetAdditive(layer: self.topPanelNode.layer, offset: positionDelta.y, completion: completion)

                    transition.updateFrame(node: self.topCornersNode, frame: topCornersFrame)

                    self.backgroundNode.frame = backgroundFrame
                    let backgroundPositionDelta = CGPoint(x: 0.0, y: previousBackgroundFrame.minY - backgroundFrame.minY)
                    transition.animatePositionAdditive(node: self.backgroundNode, offset: backgroundPositionDelta)
                    
                    self.leftBorderNode.frame = leftBorderFrame
                    let leftBorderPositionDelta = CGPoint(x: previousLeftBorderFrame.maxX - leftBorderFrame.maxX, y: previousLeftBorderFrame.minY - leftBorderFrame.minY)
                    transition.animatePositionAdditive(node: self.leftBorderNode, offset: leftBorderPositionDelta)
                    
                    self.rightBorderNode.frame = rightBorderFrame
                    let rightBorderPositionDelta = CGPoint(x: previousRightBorderFrame.minX - rightBorderFrame.minX, y: previousRightBorderFrame.minY - rightBorderFrame.minY)
                    transition.animatePositionAdditive(node: self.rightBorderNode, offset: rightBorderPositionDelta)
                }
            } else {
                completion?()
            }

            self.topPanelBackgroundNode.frame = CGRect(x: 0.0, y: topPanelHeight - 24.0, width: size.width, height: min(topPanelFrame.height, 24.0))
            
            let listMaxY = listTopInset + listSize.height
            let bottomOffset = min(0.0, bottomEdge - listMaxY) + layout.size.height - bottomPanelHeight

            let bottomCornersFrame = CGRect(origin: CGPoint(x: sideInset + floorToScreenPixels((size.width - contentWidth) / 2.0), y: -50.0 + bottomOffset + bottomGradientHeight), size: CGSize(width: contentWidth - sideInset * 2.0, height: 50.0 + 60.0))
            let bottomPanelBackgroundFrame = CGRect(x: 0.0, y: bottomOffset + bottomGradientHeight, width: size.width, height: 2000.0)
            let previousBottomCornersFrame = self.bottomCornersNode.frame
            if !bottomCornersFrame.equalTo(previousBottomCornersFrame) {
                if bottomCornersFrame.width != previousBottomCornersFrame.width {
                    transition.updateFrame(node: self.bottomCornersNode, frame: bottomCornersFrame)
                    transition.updateFrame(node: self.bottomPanelBackgroundNode, frame: bottomPanelBackgroundFrame)
                } else {
                    self.bottomCornersNode.frame = bottomCornersFrame
                    self.bottomPanelBackgroundNode.frame = bottomPanelBackgroundFrame
                    
                    let positionDelta = CGPoint(x: 0.0, y: previousBottomCornersFrame.minY - bottomCornersFrame.minY)
                    transition.animatePositionAdditive(node: self.bottomCornersNode, offset: positionDelta)
                    transition.animatePositionAdditive(node: self.bottomPanelBackgroundNode, offset: positionDelta)
                }
            }
        }
        
        private var decorationsAreDark: Bool?
        private var ignoreLayout = false
        private func updateDecorationsColors() {
            guard let (layout, _) = self.validLayout else {
                return
            }
            
            let isFullscreen = self.isFullscreen
            let effectiveDisplayMode = self.displayMode
            
            self.ignoreLayout = true
            self.controller?.statusBar.updateStatusBarStyle(isFullscreen ? .White : .Ignore, animated: true)
            self.ignoreLayout = false
            
            let size = layout.size
            let topEdgeFrame: CGRect
            if isFullscreen {
                let offset: CGFloat
                if let statusBarHeight = layout.statusBarHeight {
                    offset = statusBarHeight
                } else {
                    offset = 44.0
                }
                topEdgeFrame = CGRect(x: 0.0, y: -offset, width: size.width, height: topPanelHeight + offset)
            } else {
                topEdgeFrame = CGRect(x: 0.0, y: 0.0, width: size.width, height: topPanelHeight)
            }
            
            let backgroundColor: UIColor
            if case .fullscreen = effectiveDisplayMode {
                backgroundColor = isFullscreen ? panelBackgroundColor : secondaryPanelBackgroundColor
            } else if self.isScheduling || self.callState?.scheduleTimestamp != nil {
                backgroundColor = panelBackgroundColor
            } else {
                backgroundColor = isFullscreen ? panelBackgroundColor : secondaryPanelBackgroundColor
            }
            
            let transition: ContainedViewLayoutTransition = .animated(duration: 0.3, curve: .linear)
            transition.updateFrame(node: self.topPanelEdgeNode, frame: topEdgeFrame)
            transition.updateCornerRadius(node: self.topPanelEdgeNode, cornerRadius: isFullscreen ? layout.deviceMetrics.screenCornerRadius - 0.5 : 12.0)
            transition.updateBackgroundColor(node: self.topPanelBackgroundNode, color: isFullscreen ? fullscreenBackgroundColor : panelBackgroundColor)
            transition.updateBackgroundColor(node: self.topPanelEdgeNode, color: isFullscreen ? fullscreenBackgroundColor : panelBackgroundColor)
            transition.updateBackgroundColor(node: self.backgroundNode, color: backgroundColor)
            transition.updateBackgroundColor(node: self.bottomPanelBackgroundNode, color: isFullscreen ? fullscreenBackgroundColor : panelBackgroundColor)
            transition.updateBackgroundColor(node: self.leftBorderNode, color: isFullscreen ? fullscreenBackgroundColor : panelBackgroundColor)
            transition.updateBackgroundColor(node: self.rightBorderNode, color: isFullscreen ? fullscreenBackgroundColor : panelBackgroundColor)
            
            var gridNode: VoiceChatTilesGridItemNode?
            self.listNode.forEachItemNode { itemNode in
                if let itemNode = itemNode as? VoiceChatTilesGridItemNode {
                    gridNode = itemNode
                }
            }
            if let gridNode = gridNode {
                transition.updateBackgroundColor(node: gridNode.backgroundNode, color: isFullscreen ? fullscreenBackgroundColor : panelBackgroundColor)
            }
            
            let previousDark = self.decorationsAreDark
            self.decorationsAreDark = isFullscreen
            if previousDark != self.decorationsAreDark {
                if let snapshotView = self.topCornersNode.view.snapshotContentTree() {
                    snapshotView.frame = self.topCornersNode.bounds
                    self.topCornersNode.view.addSubview(snapshotView)
                    
                    snapshotView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, timingFunction: CAMediaTimingFunctionName.linear.rawValue, removeOnCompletion: false, completion: { [weak snapshotView] _ in
                        snapshotView?.removeFromSuperview()
                    })
                }
                self.topCornersNode.image = decorationTopCornersImage(dark: isFullscreen)
                
                if let snapshotView = self.bottomCornersNode.view.snapshotContentTree() {
                    snapshotView.frame = self.bottomCornersNode.bounds
                    self.bottomCornersNode.view.addSubview(snapshotView)
                    
                    snapshotView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, timingFunction: CAMediaTimingFunctionName.linear.rawValue, removeOnCompletion: false, completion: { [weak snapshotView] _ in
                        snapshotView?.removeFromSuperview()
                    })
                }
                self.bottomCornersNode.image = decorationBottomCornersImage(dark: isFullscreen)
                
                if let gridNode = gridNode {
                    if let snapshotView = gridNode.cornersNode.view.snapshotContentTree() {
                        snapshotView.frame = gridNode.cornersNode.bounds
                        gridNode.cornersNode.view.addSubview(snapshotView)
                        
                        snapshotView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, timingFunction: CAMediaTimingFunctionName.linear.rawValue, removeOnCompletion: false, completion: { [weak snapshotView] _ in
                            snapshotView?.removeFromSuperview()
                        })
                    }
                    gridNode.cornersNode.image = decorationCornersImage(top: true, bottom: false, dark: isFullscreen)
                    gridNode.supernode?.addSubnode(gridNode)
                }
                
                UIView.transition(with: self.bottomGradientNode.view, duration: 0.3, options: [.transitionCrossDissolve, .curveLinear]) {
                    self.bottomGradientNode.backgroundColor = decorationBottomGradientImage(dark: isFullscreen).flatMap { UIColor(patternImage: $0) }
                } completion: { _ in
                }

                self.closeButton.setContent(.image(closeButtonImage(dark: isFullscreen)), animated: transition.isAnimated)
                self.optionsButton.setContent(.more(optionsCircleImage(dark: isFullscreen)), animated: transition.isAnimated)
                self.panelButton.setContent(.image(panelButtonImage(dark: isFullscreen)), animated: transition.isAnimated)
            }
                            
            self.updateTitle(transition: transition)
        }
        
        private func updateTitle(slide: Bool = false, transition: ContainedViewLayoutTransition) {
            guard let _ = self.validLayout else {
                return
            }
            
            var title = self.currentTitle
            if self.isScheduling {
                title = self.presentationData.strings.ScheduleVoiceChat_Title
            } else if case .modal(_, false) = self.displayMode, !self.currentTitleIsCustom {
                if let navigationController = self.controller?.navigationController as? NavigationController {
                    for controller in navigationController.viewControllers.reversed() {
                        if let controller = controller as? ChatController, case let .peer(peerId) = controller.chatLocation, peerId == self.call.peerId {
                            title = self.presentationData.strings.VoiceChat_Title
                        }
                    }
                }
            }
            
            var subtitle = self.currentSpeakingSubtitle ?? self.currentSubtitle
            var speaking = self.currentSpeakingSubtitle != nil
            if self.isScheduling {
                subtitle = ""
                speaking = false
            } else if self.callState?.scheduleTimestamp != nil {
                if self.callState?.canManageCall ?? false {
                    subtitle = self.presentationData.strings.VoiceChat_TapToEditTitle
                } else {
                    subtitle = self.presentationData.strings.VoiceChat_Scheduled
                }
                speaking = false
            }
            
            self.titleNode.update(size: CGSize(width: self.titleNode.bounds.width, height: 44.0), title: title, subtitle: subtitle, speaking: speaking, slide: slide, transition: transition)
        }
        
        private func updateButtons(transition: ContainedViewLayoutTransition) {
            guard let (layout, _) = self.validLayout else {
                return
            }
            var audioMode: CallControllerButtonsSpeakerMode = .none
            //var hasAudioRouteMenu: Bool = false
            if let (availableOutputs, maybeCurrentOutput) = self.audioOutputState, let currentOutput = maybeCurrentOutput {
                //hasAudioRouteMenu = availableOutputs.count > 2
                switch currentOutput {
                    case .builtin:
                        audioMode = .builtin
                    case .speaker:
                        audioMode = .speaker
                    case .headphones:
                        audioMode = .headphones
                    case let .port(port):
                        var type: CallControllerButtonsSpeakerMode.BluetoothType = .generic
                        let portName = port.name.lowercased()
                        if portName.contains("airpods max") {
                            type = .airpodsMax
                        } else if portName.contains("airpods pro") {
                            type = .airpodsPro
                        } else if portName.contains("airpods") {
                            type = .airpods
                        }
                        audioMode = .bluetooth(type)
                }
                if availableOutputs.count <= 1 {
                    audioMode = .none
                }
            }
            
            let normalButtonAppearance: CallControllerButtonItemNode.Content.Appearance
            let activeButtonAppearance: CallControllerButtonItemNode.Content.Appearance
            if let color = self.currentNormalButtonColor {
                normalButtonAppearance = .color(.custom(color.rgb, 1.0))
            } else {
                normalButtonAppearance = .color(.custom(self.isFullscreen ? 0x1c1c1e : 0x2c2c2e, 1.0))
            }
            if let color = self.currentActiveButtonColor {
                activeButtonAppearance = .color(.custom(color.rgb, 1.0))
            } else {
                activeButtonAppearance = .color(.custom(self.isFullscreen ? 0x1c1c1e : 0x2c2c2e, 1.0))
            }

            var soundImage: CallControllerButtonItemNode.Content.Image
            var soundAppearance: CallControllerButtonItemNode.Content.Appearance = normalButtonAppearance
            var soundTitle: String = self.presentationData.strings.Call_Speaker
            switch audioMode {
            case .none, .builtin:
                soundImage = .speaker
            case .speaker:
                soundImage = .speaker
                soundAppearance = activeButtonAppearance
            case .headphones:
                soundImage = .headphones
                soundTitle = self.presentationData.strings.Call_Audio
            case let .bluetooth(type):
                switch type {
                case .generic:
                    soundImage = .bluetooth
                case .airpods:
                    soundImage = .airpods
                case .airpodsPro:
                    soundImage = .airpodsPro
                case .airpodsMax:
                    soundImage = .airpodsMax
                }
                soundTitle = self.presentationData.strings.Call_Audio
            }
                        
            let isScheduled = self.isScheduling || self.callState?.scheduleTimestamp != nil
            
            var isSoundEnabled = true
            if isScheduled {
                if let callState = self.callState, let peer = self.peer, !callState.canManageCall && (peer.addressName?.isEmpty ?? true) {
                    isSoundEnabled = false
                } else {
                    soundImage = .share
                    soundTitle = self.presentationData.strings.VoiceChat_ShareShort
                    soundAppearance = normalButtonAppearance
                }
            }
            
            let audioButtonSize: CGSize
            var buttonsTitleAlpha: CGFloat
            let effectiveDisplayMode = self.displayMode
            
            let hasCameraButton = self.cameraButton.isUserInteractionEnabled
            let hasVideo = self.call.hasVideo
            switch effectiveDisplayMode {
                case .modal:
                    audioButtonSize = hasCameraButton ? smallButtonSize : sideButtonSize
                    buttonsTitleAlpha = 1.0
                case .fullscreen:
                    if case .regular = layout.metrics.widthClass {
                        audioButtonSize = hasCameraButton ? smallButtonSize : sideButtonSize
                    } else {
                        audioButtonSize = sideButtonSize
                    }
                    if case .regular = layout.metrics.widthClass {
                        buttonsTitleAlpha = 1.0
                    } else {
                        buttonsTitleAlpha = 0.0
                    }
            }
            
            self.cameraButton.update(size: sideButtonSize, content: CallControllerButtonItemNode.Content(appearance: hasVideo ? activeButtonAppearance : normalButtonAppearance, image: hasVideo ? .cameraOn : .cameraOff), text: self.presentationData.strings.VoiceChat_Video, transition: transition)
            
            self.switchCameraButton.update(size: audioButtonSize, content: CallControllerButtonItemNode.Content(appearance: normalButtonAppearance, image: .flipCamera), text: "", transition: transition)
                    
            transition.updateAlpha(node: self.switchCameraButton, alpha: hasCameraButton && hasVideo ? 1.0 : 0.0)
            transition.updateTransformScale(node: self.switchCameraButton, scale: hasCameraButton && hasVideo ? 1.0 : 0.0)
            
            transition.updateTransformScale(node: self.cameraButton, scale: hasCameraButton ? 1.0 : 0.0)
        
            let hasAudioButton = !self.isScheduling
            transition.updateAlpha(node: self.audioButton, alpha: hasCameraButton || !hasAudioButton ? 0.0 : 1.0)
            transition.updateTransformScale(node: self.audioButton, scale: hasCameraButton || !hasAudioButton ? 0.0 : 1.0)
            
            self.audioButton.update(size: audioButtonSize, content: CallControllerButtonItemNode.Content(appearance: soundAppearance, image: soundImage, isEnabled: isSoundEnabled), text: soundTitle, transition: transition)
            self.audioButton.isUserInteractionEnabled = isSoundEnabled
            
            self.leaveButton.update(size: sideButtonSize, content: CallControllerButtonItemNode.Content(appearance: .color(.custom(0xff3b30, 0.3)), image: .cancel), text: self.presentationData.strings.VoiceChat_Leave, transition: .immediate)
            
            transition.updateAlpha(node: self.cameraButton.textNode, alpha: buttonsTitleAlpha)
            transition.updateAlpha(node: self.switchCameraButton.textNode, alpha: buttonsTitleAlpha)
            transition.updateAlpha(node: self.audioButton.textNode, alpha: buttonsTitleAlpha)
            transition.updateAlpha(node: self.leaveButton.textNode, alpha: buttonsTitleAlpha)
        }
        
        func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationHeight: CGFloat, transition: ContainedViewLayoutTransition) {
            guard !self.ignoreLayout else {
                return
            }
            let isFirstTime = self.validLayout == nil
            let previousLayout = self.validLayout?.0
            self.validLayout = (layout, navigationHeight)
            
            let size = layout.size
            let contentWidth: CGFloat
            let headerWidth: CGFloat
            let contentLeftInset: CGFloat
            if case .regular = layout.metrics.widthClass {
                contentWidth = max(320.0, min(375.0, floor(size.width * 0.3)))
                headerWidth = size.width
                if self.peerIdToEndpointId.isEmpty {
                    contentLeftInset = 0.0
                } else {
                    contentLeftInset = self.panelHidden ? layout.size.width : layout.size.width - contentWidth
                }
            } else {
                contentWidth = self.isLandscape ? min(530.0, size.width - 210.0) : size.width
                headerWidth = contentWidth
                contentLeftInset = 0.0
            }
            
            var previousIsLandscape = false
            if let previousLayout = previousLayout, case .compact = previousLayout.metrics.widthClass, previousLayout.size.width > previousLayout.size.height {
                previousIsLandscape = true
            }
            var shouldSwitchToExpanded = false
            if case let .modal(isExpanded, _) = self.displayMode {
                if previousIsLandscape != self.isLandscape && !isExpanded {
                    shouldSwitchToExpanded = true
                } else if case .regular = layout.metrics.widthClass, !isExpanded {
                    shouldSwitchToExpanded = true
                }
            }
            if shouldSwitchToExpanded {
                self.displayMode = .modal(isExpanded: true, isFilled: true)
                self.updateDecorationsColors()
                self.updateDecorationsLayout(transition: transition)
                self.updateMembers()
            } else if case .fullscreen = self.displayMode, previousIsLandscape != self.isLandscape {
                self.updateMembers()
            }
            
            let effectiveDisplayMode = self.displayMode

            transition.updateFrame(node: self.titleNode, frame: CGRect(origin: CGPoint(x: floorToScreenPixels((size.width - headerWidth) / 2.0), y: 10.0), size: CGSize(width: headerWidth, height: 44.0)))
            self.updateTitle(transition: transition)
            
            transition.updateFrame(node: self.optionsButton, frame: CGRect(origin: CGPoint(x: 20.0 + floorToScreenPixels((size.width - headerWidth) / 2.0), y: 18.0), size: CGSize(width: 28.0, height: 28.0)))
            transition.updateFrame(node: self.panelButton, frame: CGRect(origin: CGPoint(x: size.width - floorToScreenPixels((size.width - headerWidth) / 2.0) - 20.0 - 28.0 - 38.0 - 24.0, y: 18.0), size: CGSize(width: 38.0, height: 28.0)))
            transition.updateFrame(node: self.closeButton, frame: CGRect(origin: CGPoint(x: size.width - floorToScreenPixels((size.width - headerWidth) / 2.0) - 20.0 - 28.0, y: 18.0), size: CGSize(width: 28.0, height: 28.0)))
            
            transition.updateAlpha(node: self.optionsButton, alpha: self.optionsButton.isUserInteractionEnabled ? 1.0 : 0.0)
            transition.updateAlpha(node: self.panelButton, alpha: self.panelButton.isUserInteractionEnabled ? 1.0 : 0.0)
            
            transition.updateFrame(node: self.dimNode, frame: CGRect(origin: CGPoint(), size: layout.size))
            transition.updateFrame(node: self.contentContainer, frame: CGRect(origin: CGPoint(x: floorToScreenPixels((layout.size.width - size.width) / 2.0), y: 0.0), size: size))
            
            let layoutTopInset: CGFloat = max(layout.statusBarHeight ?? 0.0, layout.safeInsets.top)
            let sideInset: CGFloat = 14.0
            
            var listInsets = UIEdgeInsets()
            listInsets.left = sideInset + (self.isLandscape ? 0.0 : layout.safeInsets.left)
            listInsets.right = sideInset + (self.isLandscape ? 0.0 : layout.safeInsets.right)
            
            let topEdgeOffset: CGFloat
            if let statusBarHeight = layout.statusBarHeight {
                topEdgeOffset = statusBarHeight
            } else {
                topEdgeOffset = 44.0
            }
            
            if self.isLandscape {
                transition.updateFrame(node: self.topPanelEdgeNode, frame: CGRect(x: 0.0, y: -topEdgeOffset, width: size.width, height: topPanelHeight + topEdgeOffset))
            } else if let _ = self.panGestureArguments {
            } else {
                let topEdgeFrame: CGRect
                if self.isFullscreen {
                    topEdgeFrame = CGRect(x: 0.0, y: -topEdgeOffset, width: size.width, height: topPanelHeight + topEdgeOffset)
                } else {
                    topEdgeFrame = CGRect(x: 0.0, y: 0.0, width: size.width, height: topPanelHeight)
                }
                transition.updateFrame(node: self.topPanelEdgeNode, frame: topEdgeFrame)
            }
            
            let bottomPanelHeight = self.effectiveBottomAreaHeight + layout.intrinsicInsets.bottom
            var listTopInset = layoutTopInset + topPanelHeight
            if self.isLandscape {
                listTopInset = topPanelHeight
            }
            
            let listSize = CGSize(width: contentWidth, height: layout.size.height - listTopInset - (self.isLandscape ? layout.intrinsicInsets.bottom : bottomPanelHeight) + bottomGradientHeight)
            let topInset: CGFloat
            if let (panInitialTopInset, panOffset) = self.panGestureArguments {
                if self.isExpanded {
                    topInset = min(self.topInset ?? listSize.height, panInitialTopInset + max(0.0, panOffset))
                } else {
                    topInset = max(0.0, panInitialTopInset + min(0.0, panOffset))
                }
            } else if case .regular = layout.metrics.widthClass {
                topInset = 0.0
            } else if let currentTopInset = self.topInset {
                topInset = self.isExpanded ? 0.0 : currentTopInset
            } else {
                topInset = listSize.height - 46.0 - floor(56.0 * 3.5) - bottomGradientHeight
            }
            
            transition.updateFrameAsPositionAndBounds(node: self.listContainer, frame: CGRect(origin: CGPoint(), size: size))
            transition.updateFrame(node: self.listNode, frame: CGRect(origin: CGPoint(x: contentLeftInset.isZero ? floorToScreenPixels((size.width - contentWidth) / 2.0) : contentLeftInset, y: listTopInset + topInset), size: listSize))
            
            let tileGridSize = CGSize(width: max(0.0, contentLeftInset - sideInset), height: size.height - layout.intrinsicInsets.bottom - listTopInset - topInset)
            
            if contentLeftInset > 0.0 {
                self.tileGridNode.isHidden = false
            }
            if !self.tileGridNode.isHidden {
                let _ = self.tileGridNode.update(size: tileGridSize, layoutMode: .grid, items: self.currentTileItems, transition: transition, completion: { [weak self] in
                    if contentLeftInset.isZero && transition.isAnimated {
                        self?.tileGridNode.isHidden = true
                    }
                })
            }
            transition.updateFrame(node: self.tileGridNode, frame: CGRect(origin: CGPoint(x: sideInset, y: listTopInset + topInset), size: tileGridSize))
            self.tileGridNode.updateAbsoluteRect(CGRect(origin: CGPoint(), size: tileGridSize), within: tileGridSize)
            
            listInsets.bottom = bottomGradientHeight
            
            let (duration, curve) = listViewAnimationDurationAndCurve(transition: transition)
            self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: nil, updateSizeAndInsets: ListViewUpdateSizeAndInsets(size: listSize, insets: listInsets, duration: duration, curve: curve), stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
            
            let fullscreenListWidth: CGFloat
            let fullscreenListHeight: CGFloat = 84.0
            let fullscreenListTransform: CATransform3D
            let fullscreenListInset: CGFloat = 14.0
            let fullscreenListUpdateSizeAndInsets: ListViewUpdateSizeAndInsets
            let fullscreenListContainerFrame: CGRect
            if self.isLandscape {
                fullscreenListWidth = layout.size.height
                fullscreenListTransform = CATransform3DIdentity
                fullscreenListUpdateSizeAndInsets = ListViewUpdateSizeAndInsets(size: CGSize(width: fullscreenListHeight, height: layout.size.height), insets: UIEdgeInsets(top: fullscreenListInset, left: 0.0, bottom: fullscreenListInset, right: 0.0), duration: duration, curve: curve)
                fullscreenListContainerFrame = CGRect(x: layout.size.width - min(self.effectiveBottomAreaHeight, fullscreenBottomAreaHeight) - layout.safeInsets.right - fullscreenListHeight - 4.0, y: 0.0, width: fullscreenListHeight, height: layout.size.height)
            } else {
                fullscreenListWidth = layout.size.width
                fullscreenListTransform = CATransform3DMakeRotation(-CGFloat(CGFloat.pi / 2.0), 0.0, 0.0, 1.0)
                fullscreenListUpdateSizeAndInsets = ListViewUpdateSizeAndInsets(size: CGSize(width: fullscreenListHeight, height: layout.size.width), insets: UIEdgeInsets(top: fullscreenListInset + layout.safeInsets.left, left: 0.0, bottom: fullscreenListInset + layout.safeInsets.left, right: 0.0), duration: duration, curve: curve)
                fullscreenListContainerFrame = CGRect(x: 0.0, y: layout.size.height - min(bottomPanelHeight, fullscreenBottomAreaHeight + layout.intrinsicInsets.bottom) - fullscreenListHeight - 4.0, width: layout.size.width, height: fullscreenListHeight)
            }
            
            transition.updateFrame(node: self.fullscreenListContainer, frame: fullscreenListContainerFrame)
            
            self.fullscreenListNode.bounds = CGRect(x: 0.0, y: 0.0, width: fullscreenListHeight, height: fullscreenListWidth)
            transition.updatePosition(node: self.fullscreenListNode, position: CGPoint(x: fullscreenListContainerFrame.width / 2.0, y: fullscreenListContainerFrame.height / 2.0))

            self.fullscreenListNode.transform = fullscreenListTransform
            self.fullscreenListNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: nil, updateSizeAndInsets: fullscreenListUpdateSizeAndInsets, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
            
            if case .regular = layout.metrics.widthClass {
                self.transitionContainerNode.view.mask = nil
            } else {
                self.transitionContainerNode.view.mask = self.transitionMaskView
            }
            
            var childrenLayout = layout
            var childrenInsets = childrenLayout.intrinsicInsets
            var childrenSafeInsets = childrenLayout.safeInsets
            if case .regular = layout.metrics.widthClass {
                let childrenLayoutWidth: CGFloat = 375.0
                if contentLeftInset.isZero {
                    childrenSafeInsets.left = floorToScreenPixels((size.width - childrenLayoutWidth) / 2.0)
                    childrenSafeInsets.right = floorToScreenPixels((size.width - childrenLayoutWidth) / 2.0)
                } else {
                    childrenSafeInsets.left = floorToScreenPixels((contentLeftInset - childrenLayoutWidth) / 2.0)
                    childrenSafeInsets.right = childrenSafeInsets.left + (size.width - contentLeftInset)
                }
            } else if !self.isLandscape, case .fullscreen = effectiveDisplayMode {
                childrenInsets.bottom += self.effectiveBottomAreaHeight + fullscreenListHeight + 30.0
            }
            childrenLayout.safeInsets = childrenSafeInsets
            childrenLayout.intrinsicInsets = childrenInsets
            self.controller?.presentationContext.containerLayoutUpdated(childrenLayout, transition: transition)
            
            var bottomPanelLeftInset = contentLeftInset
            var bottomPanelWidth = size.width - contentLeftInset
            if case .regular = layout.metrics.widthClass, bottomPanelLeftInset.isZero {
                bottomPanelLeftInset = floorToScreenPixels((layout.size.width - contentWidth) / 2.0)
                bottomPanelWidth = contentWidth
            }
            
            var bottomPanelFrame = CGRect(origin: CGPoint(x: bottomPanelLeftInset, y: layout.size.height - bottomPanelHeight), size: CGSize(width: bottomPanelWidth, height: bottomPanelHeight))
            let bottomPanelCoverHeight = bottomAreaHeight + layout.intrinsicInsets.bottom
            if self.isLandscape {
                bottomPanelFrame = CGRect(origin: CGPoint(x: layout.size.width - fullscreenBottomAreaHeight - layout.safeInsets.right, y: 0.0), size: CGSize(width: fullscreenBottomAreaHeight + layout.safeInsets.right, height: layout.size.height))
            }
            let bottomGradientFrame = CGRect(origin: CGPoint(x: bottomPanelLeftInset, y: layout.size.height - bottomPanelCoverHeight), size: CGSize(width: bottomPanelWidth, height: bottomGradientHeight))
            transition.updateFrame(node: self.bottomGradientNode, frame: bottomGradientFrame)
            transition.updateFrame(node: self.bottomPanelNode, frame: bottomPanelFrame)
            
            if let pickerView = self.pickerView {
                transition.updateFrame(view: pickerView, frame: CGRect(x: 0.0, y: layout.size.height - bottomPanelHeight - 216.0, width: size.width, height: 216.0))
            }
             
            let timerFrame = CGRect(x: 0.0, y: layout.size.height - bottomPanelHeight - 216.0, width: size.width, height: 216.0)
            transition.updateFrame(node: self.timerNode, frame: timerFrame)
            self.timerNode.update(size: timerFrame.size, scheduleTime: self.callState?.scheduleTimestamp, transition: .immediate)
            
            let scheduleTextSize = self.scheduleTextNode.updateLayout(CGSize(width: size.width - sideInset * 2.0, height: CGFloat.greatestFiniteMagnitude))
            self.scheduleTextNode.frame = CGRect(origin: CGPoint(x: floor((size.width - scheduleTextSize.width) / 2.0), y: layout.size.height - layout.intrinsicInsets.bottom - scheduleTextSize.height - 145.0), size: scheduleTextSize)
            
            let centralButtonSide = min(contentWidth, size.height) - 32.0
            let centralButtonSize = CGSize(width: centralButtonSide, height: centralButtonSide)
            let cameraButtonSize = smallButtonSize
            let sideButtonMinimalInset: CGFloat = 16.0
            let sideButtonOffset = min(42.0, floor((((contentWidth - 112.0) / 2.0) - sideButtonSize.width) / 2.0))
            let sideButtonOrigin = max(sideButtonMinimalInset, floor((contentWidth - 112.0) / 2.0) - sideButtonOffset - sideButtonSize.width)
                        
            let smallButtons: Bool
            if case .regular = layout.metrics.widthClass {
                smallButtons = false
            } else {
                switch effectiveDisplayMode {
                    case .modal:
                        smallButtons = self.isLandscape
                    case .fullscreen:
                        smallButtons = true
            }
            }
            let actionButtonState: VoiceChatActionButton.State
            let actionButtonTitle: String
            let actionButtonSubtitle: String
            var actionButtonEnabled = true
            if let callState = self.callState, !self.isScheduling {
                if callState.scheduleTimestamp != nil {
                    self.ignoreConnecting = true
                    if callState.canManageCall {
                        actionButtonState = .scheduled(state: .start)
                        actionButtonTitle = self.presentationData.strings.VoiceChat_StartNow
                        actionButtonSubtitle = ""
                    } else {
                        if callState.subscribedToScheduled {
                            actionButtonState = .scheduled(state: .unsubscribe)
                            actionButtonTitle = self.presentationData.strings.VoiceChat_CancelReminder
                        } else {
                            actionButtonState = .scheduled(state: .subscribe)
                            actionButtonTitle = self.presentationData.strings.VoiceChat_SetReminder
                        }
                        actionButtonSubtitle = ""
                    }
                } else {
                    let connected = self.ignoreConnecting || callState.networkState == .connected
                    if case .connected = callState.networkState {
                        self.ignoreConnecting = false
                        self.ignoreConnectingTimer?.invalidate()
                        self.ignoreConnectingTimer = nil
                    } else if self.ignoreConnecting {
                        if self.ignoreConnectingTimer == nil {
                            let timer = SwiftSignalKit.Timer(timeout: 3.0, repeat: false, completion: { [weak self] in
                                if let strongSelf = self {
                                    strongSelf.ignoreConnecting = false
                                    strongSelf.ignoreConnectingTimer?.invalidate()
                                    strongSelf.ignoreConnectingTimer = nil
                                    
                                    if let (layout, navigationHeight) = strongSelf.validLayout {
                                        strongSelf.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .immediate)
                                    }
                                }
                            }, queue: Queue.mainQueue())
                            self.ignoreConnectingTimer = timer
                            timer.start()
                        }
                    }

                    if connected {
                        if let muteState = callState.muteState, !self.pushingToTalk && !self.temporaryPushingToTalk {
                            if muteState.canUnmute {
                                actionButtonState = .active(state: .muted)
                                
                                actionButtonTitle = self.presentationData.strings.VoiceChat_Unmute
                                actionButtonSubtitle = ""
                            } else {
                                actionButtonState = .active(state: .cantSpeak)
                                
                                if callState.raisedHand {
                                    actionButtonTitle = self.presentationData.strings.VoiceChat_AskedToSpeak
                                    actionButtonSubtitle = self.presentationData.strings.VoiceChat_AskedToSpeakHelp
                                } else {
                                    actionButtonTitle = self.presentationData.strings.VoiceChat_MutedByAdmin
                                    actionButtonSubtitle = self.presentationData.strings.VoiceChat_MutedByAdminHelp
                                }
                            }
                        } else {
                            actionButtonState = .active(state: .on)
                            
                            actionButtonTitle = self.pushingToTalk ? self.presentationData.strings.VoiceChat_Live : self.presentationData.strings.VoiceChat_Mute
                            actionButtonSubtitle = ""
                        }
                    } else {
                        actionButtonState = .connecting
                        actionButtonTitle = self.presentationData.strings.VoiceChat_Connecting
                        actionButtonSubtitle = ""
                        actionButtonEnabled = false
                    }
                }
            } else {
                if self.isScheduling {
                    actionButtonState = .button(text: self.scheduleButtonTitle)
                    actionButtonTitle = ""
                    actionButtonSubtitle = ""
                    actionButtonEnabled = true
                } else {
                    actionButtonState = .connecting
                    actionButtonTitle = self.presentationData.strings.VoiceChat_Connecting
                    actionButtonSubtitle = ""
                    actionButtonEnabled = false
                }
            }
            
            self.actionButton.isDisabled = !actionButtonEnabled
            self.actionButton.update(size: centralButtonSize, buttonSize: CGSize(width: 112.0, height: 112.0), state: actionButtonState, title: actionButtonTitle, subtitle: actionButtonSubtitle, dark: self.isFullscreen, small: smallButtons, animated: true)
            
            var hasCameraButton = self.callState?.isVideoEnabled ?? false
            if let joinedVideo = self.joinedVideo {
                hasCameraButton = joinedVideo
            }
            switch actionButtonState {
                case let .active(state):
                    switch state {
                        case .cantSpeak:
                            hasCameraButton = false
                        case .on, .muted:
                            break
                    }
                case .connecting:
                    if !self.connectedOnce {
                        hasCameraButton = false
                    }
                case .scheduled, .button:
                    hasCameraButton = false
            }
            let hasVideo = hasCameraButton && self.call.hasVideo
            
            let upperButtonDistance: CGFloat = 12.0
            let firstButtonFrame: CGRect
            let secondButtonFrame: CGRect
            let thirdButtonFrame: CGRect
            let forthButtonFrame: CGRect
            
            let leftButtonFrame: CGRect
            if self.isScheduled || !hasVideo {
                leftButtonFrame = CGRect(origin: CGPoint(x: sideButtonOrigin, y: floor((self.effectiveBottomAreaHeight - sideButtonSize.height) / 2.0)), size: sideButtonSize)
            } else {
                leftButtonFrame = CGRect(origin: CGPoint(x: sideButtonOrigin, y: floor((self.effectiveBottomAreaHeight - sideButtonSize.height - upperButtonDistance - cameraButtonSize.height) / 2.0) + upperButtonDistance + cameraButtonSize.height), size: sideButtonSize)
            }
            let rightButtonFrame = CGRect(origin: CGPoint(x: contentWidth - sideButtonOrigin - sideButtonSize.width, y: floor((self.effectiveBottomAreaHeight - sideButtonSize.height) / 2.0)), size: sideButtonSize)
            var centerButtonFrame = CGRect(origin: CGPoint(x: floorToScreenPixels((size.width - centralButtonSize.width) / 2.0), y: floor((self.effectiveBottomAreaHeight - centralButtonSize.height) / 2.0) - 3.0), size: centralButtonSize)
            
            if case .regular = layout.metrics.widthClass {
                centerButtonFrame = CGRect(origin: CGPoint(x: floorToScreenPixels((contentWidth - centralButtonSize.width) / 2.0), y: floor((self.effectiveBottomAreaHeight - centralButtonSize.height) / 2.0) - 3.0), size: centralButtonSize)
                
                if hasCameraButton {
                    firstButtonFrame = CGRect(origin: CGPoint(x: floor(leftButtonFrame.midX - cameraButtonSize.width / 2.0), y: leftButtonFrame.minY - upperButtonDistance - cameraButtonSize.height), size: cameraButtonSize)
                } else {
                    firstButtonFrame = CGRect(origin: CGPoint(x: leftButtonFrame.center.x - cameraButtonSize.width / 2.0, y: leftButtonFrame.center.y - cameraButtonSize.height / 2.0), size: cameraButtonSize)
                }
                secondButtonFrame = leftButtonFrame
                thirdButtonFrame = centerButtonFrame
                forthButtonFrame = rightButtonFrame
            } else {
                switch effectiveDisplayMode {
                    case .modal:
                        if self.isLandscape {
                            let sideInset: CGFloat
                            let buttonsCount: Int
                            if hasVideo {
                                sideInset = 26.0
                                buttonsCount = 4
                            } else {
                                sideInset = 42.0
                                buttonsCount = 3
                            }
                            let spacing = floor((layout.size.height - sideInset * 2.0 - sideButtonSize.height * CGFloat(buttonsCount)) / (CGFloat(buttonsCount - 1)))
                            let x = floor((fullscreenBottomAreaHeight - sideButtonSize.width) / 2.0)
                            forthButtonFrame = CGRect(origin: CGPoint(x: x, y: sideInset), size: sideButtonSize)
                            let thirdButtonPreFrame = CGRect(origin: CGPoint(x: x, y: sideInset + sideButtonSize.height + spacing), size: sideButtonSize)
                            thirdButtonFrame = CGRect(origin: CGPoint(x: floor(thirdButtonPreFrame.midX - centralButtonSize.width / 2.0), y: floor(thirdButtonPreFrame.midY - centralButtonSize.height / 2.0)), size: centralButtonSize)
                            secondButtonFrame = CGRect(origin: CGPoint(x: x, y: thirdButtonPreFrame.maxY + spacing), size: sideButtonSize)
                            if hasCameraButton {
                                firstButtonFrame = CGRect(origin: CGPoint(x: x, y: layout.size.height - sideInset - sideButtonSize.height), size: sideButtonSize)
                            } else {
                                firstButtonFrame = secondButtonFrame
                            }
                        } else {
                            if hasCameraButton {
                                firstButtonFrame = CGRect(origin: CGPoint(x: floor(leftButtonFrame.midX - cameraButtonSize.width / 2.0), y: leftButtonFrame.minY - upperButtonDistance - cameraButtonSize.height), size: cameraButtonSize)
                            } else {
                                firstButtonFrame = CGRect(origin: CGPoint(x: leftButtonFrame.center.x - cameraButtonSize.width / 2.0, y: leftButtonFrame.center.y - cameraButtonSize.height / 2.0), size: cameraButtonSize)
                            }
                            secondButtonFrame = leftButtonFrame
                            thirdButtonFrame = centerButtonFrame
                            forthButtonFrame = rightButtonFrame
                        }
                    case let .fullscreen(controlsHidden):
                        if self.isLandscape {
                            let sideInset: CGFloat
                            let buttonsCount: Int
                            if hasVideo {
                                sideInset = 26.0
                                buttonsCount = 4
                            } else {
                                sideInset = 42.0
                                buttonsCount = 3
                            }
                            let spacing = floor((layout.size.height - sideInset * 2.0 - sideButtonSize.height * CGFloat(buttonsCount)) / (CGFloat(buttonsCount - 1)))
                            let x = controlsHidden ? fullscreenBottomAreaHeight + layout.safeInsets.right + 30.0 : floor((fullscreenBottomAreaHeight - sideButtonSize.width) / 2.0)
                            forthButtonFrame = CGRect(origin: CGPoint(x: x, y: sideInset), size: sideButtonSize)
                            let thirdButtonPreFrame = CGRect(origin: CGPoint(x: x, y: sideInset + sideButtonSize.height + spacing), size: sideButtonSize)
                            thirdButtonFrame = CGRect(origin: CGPoint(x: floor(thirdButtonPreFrame.midX - centralButtonSize.width / 2.0), y: floor(thirdButtonPreFrame.midY - centralButtonSize.height / 2.0)), size: centralButtonSize)
                            secondButtonFrame = CGRect(origin: CGPoint(x: x, y: thirdButtonPreFrame.maxY + spacing), size: sideButtonSize)
                            if hasVideo {
                                firstButtonFrame = CGRect(origin: CGPoint(x: x, y: layout.size.height - sideInset - sideButtonSize.height), size: sideButtonSize)
                            } else {
                                firstButtonFrame = secondButtonFrame
                            }
                        } else {
                            let sideInset: CGFloat
                            let buttonsCount: Int
                            if hasVideo {
                                sideInset = 26.0
                                buttonsCount = 4
                            } else {
                                sideInset = 42.0
                                buttonsCount = 3
                            }
                            let spacing = floor((layout.size.width - sideInset * 2.0 - sideButtonSize.width * CGFloat(buttonsCount)) / (CGFloat(buttonsCount - 1)))
                            let y = controlsHidden ? self.effectiveBottomAreaHeight + layout.intrinsicInsets.bottom + 30.0: floor((self.effectiveBottomAreaHeight - sideButtonSize.height) / 2.0)
                            if hasVideo {
                                firstButtonFrame = CGRect(origin: CGPoint(x: sideInset, y: y), size: sideButtonSize)
                                secondButtonFrame = CGRect(origin: CGPoint(x: firstButtonFrame.maxX + spacing, y: y), size: sideButtonSize)
                            } else {
                                firstButtonFrame = CGRect(origin: CGPoint(x: sideInset, y: y), size: sideButtonSize)
                                secondButtonFrame = firstButtonFrame
                            }
                            let thirdButtonPreFrame = CGRect(origin: CGPoint(x: secondButtonFrame.maxX + spacing, y: y), size: sideButtonSize)
                            thirdButtonFrame = CGRect(origin: CGPoint(x: floor(thirdButtonPreFrame.midX - centralButtonSize.width / 2.0), y: floor(thirdButtonPreFrame.midY - centralButtonSize.height / 2.0)), size: centralButtonSize)
                            forthButtonFrame = CGRect(origin: CGPoint(x: thirdButtonPreFrame.maxX + spacing, y: y), size: sideButtonSize)
                        }
                }
            }
                                    
            let buttonHeight = self.scheduleCancelButton.updateLayout(width: size.width - 32.0, transition: .immediate)
            self.scheduleCancelButton.frame = CGRect(x: 16.0, y: 137.0, width: size.width - 32.0, height: buttonHeight)
            
            if self.actionButton.supernode === self.bottomPanelNode {
                transition.updateFrame(node: self.actionButton, frame: thirdButtonFrame, completion: transition.isAnimated ? { [weak self] _ in
                    self?.animatingExpansion = false
                } : nil)
            }
            
            self.cameraButton.isUserInteractionEnabled = hasCameraButton
            
            var buttonsTransition: ContainedViewLayoutTransition = .immediate
            if !isFirstTime {
                if case .animated(_, .spring) = transition {
                    buttonsTransition = transition
                } else {
                    buttonsTransition = .animated(duration: 0.3, curve: .linear)
                }
            }
            self.updateButtons(transition: buttonsTransition)
            
            if self.audioButton.supernode === self.bottomPanelNode {
                transition.updateAlpha(node: self.cameraButton, alpha: hasCameraButton ? 1.0 : 0.0)
                transition.updateFrameAsPositionAndBounds(node: self.switchCameraButton, frame: firstButtonFrame)
                
                if !self.animatingButtonsSwap || transition.isAnimated {
                    transition.updateFrameAsPositionAndBounds(node: self.audioButton, frame: secondButtonFrame, completion: { [weak self] _ in
                        self?.animatingButtonsSwap = false
                    })
                    transition.updateFrameAsPositionAndBounds(node: self.cameraButton, frame: secondButtonFrame)
                }
                transition.updateFrameAsPositionAndBounds(node: self.leaveButton, frame: forthButtonFrame)
            }
            if isFirstTime {
                while !self.enqueuedTransitions.isEmpty {
                    self.dequeueTransition()
                }
                while !self.enqueuedFullscreenTransitions.isEmpty {
                    self.dequeueFullscreenTransition()
                }
            }
        }
        
        private var appIsActive = true {
            didSet {
                self.updateVisibility()
            }
        }
        private var visibility = false {
            didSet {
                self.updateVisibility()
            }
        }
        
        private func updateVisibility() {
            let visible = self.appIsActive && self.visibility
            if self.tileGridNode.isHidden {
                self.tileGridNode.visibility = false
            } else {
                self.tileGridNode.visibility = visible
            }
            self.mainStageNode.visibility = visible
            self.listNode.forEachItemNode { itemNode in
                if let itemNode = itemNode as? VoiceChatTilesGridItemNode {
                    itemNode.gridVisibility = visible
                }
            }
            self.fullscreenListNode.forEachItemNode { itemNode in
                if let itemNode = itemNode as? VoiceChatFullscreenParticipantItemNode {
                    itemNode.gridVisibility = visible
                }
            }
        }
        
        func animateIn() {
            guard let (layout, navigationHeight) = self.validLayout else {
                return
            }
            
            self.visibility = true
            
            self.updateDecorationsLayout(transition: .immediate)
            
            self.animatingAppearance = true
            
            let initialBounds = self.contentContainer.bounds
            let topPanelFrame = self.topPanelNode.view.convert(self.topPanelNode.bounds, to: self.view)
            self.contentContainer.bounds = initialBounds.offsetBy(dx: 0.0, dy: -(layout.size.height - topPanelFrame.minY))
            self.contentContainer.isHidden = false
            
            let transition = ContainedViewLayoutTransition.animated(duration: 0.4, curve: .spring)
            transition.animateView({
                self.contentContainer.view.bounds = initialBounds
            }, completion: { _ in
                self.animatingAppearance = false
                if self.actionButton.supernode !== self.bottomPanelNode {
                    self.actionButton.ignoreHierarchyChanges = true
                    self.audioButton.isHidden = false
                    self.cameraButton.isHidden = false
                    self.leaveButton.isHidden = false
                    self.audioButton.layer.removeAllAnimations()
                    self.cameraButton.layer.removeAllAnimations()
                    self.leaveButton.layer.removeAllAnimations()
                    self.bottomPanelNode.addSubnode(self.cameraButton)
                    self.bottomPanelNode.addSubnode(self.audioButton)
                    self.bottomPanelNode.addSubnode(self.leaveButton)
                    self.bottomPanelNode.addSubnode(self.actionButton)
                    self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .immediate)
                    self.actionButton.ignoreHierarchyChanges = false
                }
                
                self.controller?.currentOverlayController?.dismiss()
                self.controller?.currentOverlayController = nil
            })
            self.dimNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.3)
        }
        
        func animateOut(completion: (() -> Void)?) {
            guard let (layout, _) = self.validLayout else {
                return
            }
            var offsetCompleted = false
            let internalCompletion: () -> Void = { [weak self] in
                if offsetCompleted {
                    if let strongSelf = self {
                        strongSelf.contentContainer.layer.removeAllAnimations()
                        strongSelf.dimNode.layer.removeAllAnimations()
                        
                        var bounds = strongSelf.contentContainer.bounds
                        bounds.origin.y = 0.0
                        strongSelf.contentContainer.bounds = bounds
                        
                        strongSelf.visibility = false
                    }
                    completion?()
                }
            }
            
            let topPanelFrame = self.topPanelNode.view.convert(self.topPanelNode.bounds, to: self.view)
            self.contentContainer.layer.animateBoundsOriginYAdditive(from: self.contentContainer.bounds.origin.y, to: -(layout.size.height - topPanelFrame.minY) - 44.0, duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, completion: { _ in
                offsetCompleted = true
                internalCompletion()
            })
            self.dimNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false)
        }
        
        private func enqueueTransition(_ transition: ListTransition) {
            self.enqueuedTransitions.append(transition)
            
            if let _ = self.validLayout {
                while !self.enqueuedTransitions.isEmpty {
                    self.dequeueTransition()
                }
            }
        }
        
        private func enqueueFullscreenTransition(_ transition: ListTransition) {
            self.enqueuedFullscreenTransitions.append(transition)
            
            if let _ = self.validLayout {
                while !self.enqueuedFullscreenTransitions.isEmpty {
                    self.dequeueFullscreenTransition()
                }
            }
        }

        private func dequeueTransition() {
            guard let (layout, _) = self.validLayout, let transition = self.enqueuedTransitions.first else {
                return
            }
            self.enqueuedTransitions.remove(at: 0)
            
            if let callState = self.callState {
                if callState.scheduleTimestamp != nil && self.listNode.alpha > 0.0 {
                    self.timerNode.isHidden = false
                    self.cameraButton.alpha = 0.0
                    self.cameraButton.isUserInteractionEnabled = false
                    self.listNode.alpha = 0.0
                    self.listNode.isUserInteractionEnabled = false
                    self.backgroundNode.backgroundColor = panelBackgroundColor
                    self.updateDecorationsColors()
                } else if callState.scheduleTimestamp == nil && !self.isScheduling && self.listNode.alpha == 0.0 {
                    self.transitionToCall()
                }
            }
            
            var options = ListViewDeleteAndInsertOptions()
            let isFirstTime = self.isFirstTime
            if isFirstTime {
                self.isFirstTime = false
            } else {
                if transition.crossFade {
                    options.insert(.AnimateCrossfade)
                }
                if transition.animated {
                    options.insert(.AnimateInsertion)
                }
            }
            options.insert(.LowLatency)
            options.insert(.PreferSynchronousResourceLoading)
                 
            var size = layout.size
            if case .regular = layout.metrics.widthClass {
                size.width = floor(min(size.width, size.height) * 0.5)
            }
            
            let bottomPanelHeight = self.isLandscape ? layout.intrinsicInsets.bottom : bottomAreaHeight + layout.intrinsicInsets.bottom
            let layoutTopInset: CGFloat = max(layout.statusBarHeight ?? 0.0, layout.safeInsets.top)
            let listTopInset = layoutTopInset + topPanelHeight
            let listSize = CGSize(width: size.width, height: layout.size.height - listTopInset - bottomPanelHeight + bottomGradientHeight)
            
            self.topInset = listSize.height - 46.0 - floor(56.0 * 3.5) - bottomGradientHeight
            
            if transition.animated {
                self.animatingInsertion = true
            }
            self.listNode.transaction(deleteIndices: transition.deletions, insertIndicesAndItems: transition.insertions, updateIndicesAndItems: transition.updates, options: options, scrollToItem: nil, updateSizeAndInsets: nil, updateOpaqueState: nil, completion: { [weak self] _ in
                guard let strongSelf = self else {
                    return
                }
                if isFirstTime {
                    strongSelf.updateDecorationsLayout(transition: .immediate)
                } else if strongSelf.animatingInsertion {
                    strongSelf.updateDecorationsLayout(transition: .animated(duration: 0.2, curve: .easeInOut))
                }
                strongSelf.animatingInsertion = false
                if !strongSelf.didSetContentsReady {
                    strongSelf.didSetContentsReady = true
                    strongSelf.controller?.contentsReady.set(true)
                }
                strongSelf.updateVisibility()
            })
        }

        private func dequeueFullscreenTransition() {
            guard let _ = self.validLayout, let transition = self.enqueuedFullscreenTransitions.first else {
                return
            }
            self.enqueuedFullscreenTransitions.remove(at: 0)
            
            var options = ListViewDeleteAndInsertOptions()
            let isFirstTime = self.isFirstTime
            if !isFirstTime {
                if transition.animated {
                    options.insert(.AnimateInsertion)
                }
            }
            
            self.fullscreenListNode.transaction(deleteIndices: transition.deletions, insertIndicesAndItems: transition.insertions, updateIndicesAndItems: transition.updates, options: options, scrollToItem: nil, updateSizeAndInsets: nil, updateOpaqueState: nil, completion: { _ in
            })
        }
        
        private func updateMembers(maybeUpdateVideo: Bool = true, force: Bool = false) {
            self.updateMembers(muteState: self.effectiveMuteState, callMembers: self.currentCallMembers ?? ([], nil), invitedPeers: self.currentInvitedPeers ?? [], speakingPeers: self.currentSpeakingPeers ?? Set(), maybeUpdateVideo: maybeUpdateVideo, force: force)
        }
        
        private func updateMembers(muteState: GroupCallParticipantsContext.Participant.MuteState?, callMembers: ([GroupCallParticipantsContext.Participant], String?), invitedPeers: [Peer], speakingPeers: Set<PeerId>, maybeUpdateVideo: Bool = true, force: Bool = false) {
            var disableAnimation = false
            if self.currentCallMembers?.1 != callMembers.1 {
                disableAnimation = true
            }
            
            let speakingPeersUpdated = self.currentSpeakingPeers != speakingPeers
            self.currentCallMembers = callMembers
            self.currentSpeakingPeers = speakingPeers
            self.currentInvitedPeers = invitedPeers
            
            var entries: [ListEntry] = []
            var fullscreenEntries: [ListEntry] = []
            var index: Int32 = 0
            var fullscreenIndex: Int32 = 0
            var processedPeerIds = Set<PeerId>()
            var processedFullscreenPeerIds = Set<PeerId>()
                        
            var peerIdToCameraEndpointId: [PeerId: String] = [:]
            var peerIdToEndpointId: [PeerId: String] = [:]

            var requestedVideoChannels: [PresentationGroupCallRequestedVideo] = []
            var gridTileItems: [VoiceChatTileItem] = []
            var tileItems: [VoiceChatTileItem] = []
            var gridTileByVideoEndpoint: [String: VoiceChatTileItem] = [:]
            var tileByVideoEndpoint: [String: VoiceChatTileItem] = [:]
            var entryByPeerId: [PeerId: VoiceChatPeerEntry] = [:]
            var latestWideVideo: String? = nil
            
            var isTablet = false
            var displayPanelVideos = false
            if let (layout, _) = self.validLayout, case .regular = layout.metrics.widthClass {
                isTablet = true
                displayPanelVideos = self.displayPanelVideos
            }
            
            var joinedVideo = self.joinedVideo ?? true
            
            var myEntry: VoiceChatPeerEntry?
            var mainEntry: VoiceChatPeerEntry?
            for member in callMembers.0 {
                if processedPeerIds.contains(member.peer.id) {
                    continue
                }
                processedPeerIds.insert(member.peer.id)
                
                let memberState: VoiceChatPeerEntry.State
                var memberMuteState: GroupCallParticipantsContext.Participant.MuteState?
                if member.hasRaiseHand && !(member.muteState?.canUnmute ?? false) {
                    memberState = .raisedHand
                    memberMuteState = member.muteState
                    
                    if self.raisedHandDisplayDisposables[member.peer.id] == nil {
                        var displayedRaisedHands = self.displayedRaisedHands
                        displayedRaisedHands.insert(member.peer.id)
                        self.displayedRaisedHands = displayedRaisedHands
                        
                        let signal: Signal<Never, NoError> = Signal.complete() |> delay(3.0, queue: Queue.mainQueue())
                        self.raisedHandDisplayDisposables[member.peer.id] = signal.start(completed: { [weak self] in
                            if let strongSelf = self {
                                var displayedRaisedHands = strongSelf.displayedRaisedHands
                                displayedRaisedHands.remove(member.peer.id)
                                strongSelf.displayedRaisedHands = displayedRaisedHands
                                strongSelf.updateMembers()
                            }
                        })
                    }
                } else {
                    if member.peer.id == self.callState?.myPeerId {
                        if muteState == nil {
                            memberState = speakingPeers.contains(member.peer.id) ? .speaking : .listening
                        } else {
                            memberState = .listening
                            memberMuteState = member.muteState
                        }
                    } else {
                        memberState = speakingPeers.contains(member.peer.id) ? .speaking : .listening
                        memberMuteState = member.muteState
                    }
                    
                    if let disposable = self.raisedHandDisplayDisposables[member.peer.id] {
                        disposable.dispose()
                        self.raisedHandDisplayDisposables[member.peer.id] = nil
                    }
                }
                
                var memberPeer = member.peer
                if member.peer.id == self.callState?.myPeerId {
                    joinedVideo = member.joinedVideo
                    if let user = memberPeer as? TelegramUser, let photo = self.currentUpdatingAvatar {
                        memberPeer = user.withUpdatedPhoto([photo])
                    }
                }
                
                if let videoEndpointId = member.videoEndpointId {
                    peerIdToCameraEndpointId[member.peer.id] = videoEndpointId
                }
                if let anyEndpointId = member.presentationEndpointId ?? member.videoEndpointId {
                    peerIdToEndpointId[member.peer.id] = anyEndpointId
                }
                
                let peerEntry = VoiceChatPeerEntry(
                    peer: memberPeer,
                    about: member.about,
                    isMyPeer: self.callState?.myPeerId == member.peer.id,
                    videoEndpointId: member.videoEndpointId,
                    videoPaused: member.videoDescription?.isPaused ?? false,
                    presentationEndpointId: member.presentationEndpointId,
                    presentationPaused: member.presentationDescription?.isPaused ?? false,
                    effectiveSpeakerVideoEndpointId: self.effectiveSpeaker?.1,
                    state: memberState,
                    muteState: memberMuteState,
                    canManageCall: self.callState?.canManageCall ?? false,
                    volume: member.volume,
                    raisedHand: member.hasRaiseHand,
                    displayRaisedHandStatus: self.displayedRaisedHands.contains(member.peer.id),
                    active: memberPeer.id == self.effectiveSpeaker?.0,
                    isLandscape: self.isLandscape
                )
                if peerEntry.isMyPeer {
                    myEntry = peerEntry
                }
                if peerEntry.active {
                    mainEntry = peerEntry
                }
                entryByPeerId[peerEntry.peer.id] = peerEntry
                
                var isTile = false
                if let interaction = self.itemInteraction {
                    if let videoEndpointId = member.presentationEndpointId {
                        if !self.videoOrder.contains(videoEndpointId) {
                            if peerEntry.isMyPeer {
                                self.videoOrder.insert(videoEndpointId, at: 0)
                            } else {
                                self.videoOrder.append(videoEndpointId)
                            }
                        }
                        if isTablet {
                            if let tileItem = ListEntry.peer(peerEntry, 0).tileItem(context: self.context, presentationData: self.presentationData, interaction: interaction, isTablet: isTablet, videoEndpointId: videoEndpointId, videoReady: self.readyVideoEndpointIds.contains(videoEndpointId), videoTimeouted: self.timeoutedEndpointIds.contains(videoEndpointId), videoIsPaused: member.presentationDescription?.isPaused ?? false, showAsPresentation: peerIdToCameraEndpointId[peerEntry.peer.id] != nil, secondary: false) {
                                isTile = true
                                gridTileByVideoEndpoint[videoEndpointId] = tileItem
                            }
                        }
                        if let tileItem = ListEntry.peer(peerEntry, 0).tileItem(context: self.context, presentationData: self.presentationData, interaction: interaction, isTablet: isTablet, videoEndpointId: videoEndpointId, videoReady: self.readyVideoEndpointIds.contains(videoEndpointId), videoTimeouted: self.timeoutedEndpointIds.contains(videoEndpointId), videoIsPaused: member.presentationDescription?.isPaused ?? false, showAsPresentation: peerIdToCameraEndpointId[peerEntry.peer.id] != nil, secondary: displayPanelVideos) {
                            isTile = true
                            tileByVideoEndpoint[videoEndpointId] = tileItem
                        }
                        if self.wideVideoNodes.contains(videoEndpointId) {
                            latestWideVideo = videoEndpointId
                        }
                    }
                    if let videoEndpointId = member.videoEndpointId {
                        if !self.videoOrder.contains(videoEndpointId) {
                            if peerEntry.isMyPeer {
                                self.videoOrder.insert(videoEndpointId, at: 0)
                            } else {
                                self.videoOrder.append(videoEndpointId)
                            }
                        }
                        if isTablet {
                            if let tileItem = ListEntry.peer(peerEntry, 0).tileItem(context: self.context, presentationData: self.presentationData, interaction: interaction, isTablet: isTablet, videoEndpointId: videoEndpointId, videoReady: self.readyVideoEndpointIds.contains(videoEndpointId), videoTimeouted: self.timeoutedEndpointIds.contains(videoEndpointId), videoIsPaused: member.videoDescription?.isPaused ?? false, showAsPresentation: false, secondary: false) {
                                isTile = true
                                gridTileByVideoEndpoint[videoEndpointId] = tileItem
                            }
                        }
                        if let tileItem = ListEntry.peer(peerEntry, 0).tileItem(context: self.context, presentationData: self.presentationData, interaction: interaction, isTablet: isTablet, videoEndpointId: videoEndpointId, videoReady: self.readyVideoEndpointIds.contains(videoEndpointId), videoTimeouted: self.timeoutedEndpointIds.contains(videoEndpointId), videoIsPaused: member.videoDescription?.isPaused ?? false, showAsPresentation: false, secondary: displayPanelVideos) {
                            isTile = true
                            tileByVideoEndpoint[videoEndpointId] = tileItem
                        }
                        if self.wideVideoNodes.contains(videoEndpointId) {
                            latestWideVideo = videoEndpointId
                        }
                    }
                }
                
                if !isTile || isTablet || !joinedVideo {
                    entries.append(.peer(peerEntry, index))
                }
    
                index += 1
            
                if self.callState?.networkState == .connecting {
                } else {
                    if var videoChannel = member.requestedVideoChannel(minQuality: .thumbnail, maxQuality: .medium) {
                        if self.effectiveSpeaker?.1 == videoChannel.endpointId {
                            videoChannel.maxQuality = .full
                        }
                        requestedVideoChannels.append(videoChannel)
                    }
                    if member.peer.id != self.callState?.myPeerId {
                        if var presentationChannel = member.requestedPresentationVideoChannel(minQuality: .thumbnail, maxQuality: .thumbnail) {
                            if self.effectiveSpeaker?.1 == presentationChannel.endpointId {
                                presentationChannel.minQuality = .full
                                presentationChannel.maxQuality = .full
                            }
                            requestedVideoChannels.append(presentationChannel)
                        }
                    }
                }
            }
            
            var temporaryList: [String] = []
            for tileVideoEndpoint in self.videoOrder {
                if let _ = tileByVideoEndpoint[tileVideoEndpoint] {
                    temporaryList.append(tileVideoEndpoint)
                }
            }
            
            if (tileByVideoEndpoint.count % 2) != 0, let last = temporaryList.last, !self.wideVideoNodes.contains(last), let latestWide = latestWideVideo {
                self.videoOrder.removeAll(where: { $0 == latestWide })
                self.videoOrder.append(latestWide)
            }
            
            for tileVideoEndpoint in self.videoOrder {
                if let tileItem = gridTileByVideoEndpoint[tileVideoEndpoint] {
                    gridTileItems.append(tileItem)
                }
                if let tileItem = tileByVideoEndpoint[tileVideoEndpoint] {
                    if displayPanelVideos && tileItem.peer.id == self.effectiveSpeaker?.0 {
                    } else {
                        tileItems.append(tileItem)
                    }
                    if let fullscreenEntry = entryByPeerId[tileItem.peer.id] {
                        if processedFullscreenPeerIds.contains(tileItem.peer.id) {
                            continue
                        }
                        fullscreenEntries.append(.peer(fullscreenEntry, fullscreenIndex))
                        processedFullscreenPeerIds.insert(fullscreenEntry.peer.id)
                        fullscreenIndex += 1
                    }
                }
            }
            
            self.joinedVideo = joinedVideo
            
            if !joinedVideo && (!tileItems.isEmpty || !gridTileItems.isEmpty), let peer = self.peer {
                tileItems.removeAll()
                gridTileItems.removeAll()
                
                let configuration = self.configuration ?? VoiceChatConfiguration.defaultValue
                tileItems.append(VoiceChatTileItem(account: self.context.account, peer: peer, videoEndpointId: "", videoReady: false, videoTimeouted: true, isVideoLimit: true, videoLimit: configuration.videoParticipantsMaxCount, isPaused: false, isOwnScreencast: false, strings: self.presentationData.strings, nameDisplayOrder: self.presentationData.nameDisplayOrder, speaking: false, secondary: false, isTablet: false, icon: .none, text: .none, additionalText: nil, action: {}, contextAction: nil, getVideo: { _ in return nil }, getAudioLevel: nil))
            }
            
            for member in callMembers.0 {
                if processedFullscreenPeerIds.contains(member.peer.id) {
                    continue
                }
                processedFullscreenPeerIds.insert(member.peer.id)
                if let peerEntry = entryByPeerId[member.peer.id] {
                    fullscreenEntries.append(.peer(peerEntry, fullscreenIndex))
                    fullscreenIndex += 1
                }
            }
                                    
            for peer in invitedPeers {
                if processedPeerIds.contains(peer.id) {
                    continue
                }
                processedPeerIds.insert(peer.id)
                
                entries.append(.peer(VoiceChatPeerEntry(
                    peer: peer,
                    about: nil,
                    isMyPeer: false,
                    videoEndpointId: nil,
                    videoPaused: false,
                    presentationEndpointId: nil,
                    presentationPaused: false,
                    effectiveSpeakerVideoEndpointId: nil,
                    state: .invited,
                    muteState: nil,
                    canManageCall: false,
                    volume: nil,
                    raisedHand: false,
                    displayRaisedHandStatus: false,
                    active: false,
                    isLandscape: false
                ), index))
                index += 1
            }
            
            self.requestedVideoChannels = requestedVideoChannels
            
            var myVideoUpdated = false
            if let previousMyEntry = self.myEntry, let myEntry = myEntry, previousMyEntry.effectiveVideoEndpointId == nil && myEntry.effectiveVideoEndpointId != nil && self.currentForcedSpeaker == nil {
                self.currentDominantSpeaker = (myEntry.peer.id, myEntry.effectiveVideoEndpointId, CACurrentMediaTime())
                myVideoUpdated = true
            }
            self.myEntry = myEntry
                        
            guard self.didSetDataReady && (force || (!self.isPanning && !self.animatingExpansion && !self.animatingMainStage)) else {
                return
            }
            
            let previousMainEntry = self.mainEntry
            self.mainEntry = mainEntry
            if let mainEntry = mainEntry {
                self.mainStageNode.update(peerEntry: mainEntry, pinned: self.currentForcedSpeaker != nil)
                
                if let previousMainEntry = previousMainEntry, maybeUpdateVideo {
                    if previousMainEntry.effectiveVideoEndpointId != mainEntry.effectiveVideoEndpointId || previousMainEntry.videoPaused != mainEntry.videoPaused || myVideoUpdated {
                        self.updateMainVideo(waitForFullSize: true, entries: fullscreenEntries, force: true)
                        return
                    }
                }
            } else if self.effectiveSpeaker != nil, !fullscreenEntries.isEmpty {
                self.updateMainVideo(waitForFullSize: true, entries: fullscreenEntries, force: true)
                return
            }
            
            self.updateRequestedVideoChannels()
            
            self.peerIdToEndpointId = peerIdToEndpointId
                    
            var updateLayout = false
            var animatingLayout = false
            if self.currentTileItems.isEmpty != gridTileItems.isEmpty {
                animatingLayout = true
                updateLayout = true
            }
            if isTablet {
                updateLayout = true
                self.currentTileItems = gridTileItems
                if displayPanelVideos && !tileItems.isEmpty {
                    entries.insert(.tiles(tileItems, .pairs), at: 0)
                }
            } else {
                if !tileItems.isEmpty {
                    entries.insert(.tiles(tileItems, .pairs), at: 0)
                }
            }
            
            var canInvite = true
            var inviteIsLink = false
            if let peer = self.peer as? TelegramChannel {
                if peer.flags.contains(.isGigagroup) {
                    if peer.flags.contains(.isCreator) || peer.adminRights != nil {
                    } else {
                        canInvite = false
                    }
                }
                if case .broadcast = peer.info, !(peer.addressName?.isEmpty ?? true) {
                    inviteIsLink = true
                }
            }
            if canInvite {
                entries.append(.invite(self.presentationData.theme, self.presentationData.strings, inviteIsLink ? self.presentationData.strings.VoiceChat_Share : self.presentationData.strings.VoiceChat_InviteMember, inviteIsLink))
            }
            
            let previousEntries = self.currentEntries
            let previousFullscreenEntries = self.currentFullscreenEntries
            self.currentEntries = entries
            self.currentFullscreenEntries = fullscreenEntries
            
            if previousEntries.count == entries.count {
                var allEqual = true
                for i in 0 ..< previousEntries.count {
                    if previousEntries[i].stableId != entries[i].stableId {
                        if case let .peer(lhsPeer, _) = previousEntries[i], case let .peer(rhsPeer, _) = entries[i] {
                            if lhsPeer.isMyPeer != rhsPeer.isMyPeer {
                                allEqual = false
                                break
                            }
                        } else {
                            allEqual = false
                            break
                        }
                    }
                }
                if allEqual {
                    disableAnimation = true
                }
            } else if abs(previousEntries.count - entries.count) > 10 {
                disableAnimation = true
            }
        
            let presentationData = self.presentationData.withUpdated(theme: self.darkTheme)
            let transition = self.preparedTransition(from: previousEntries, to: entries, isLoading: false, isEmpty: false, canInvite: canInvite, crossFade: false, animated: !disableAnimation, context: self.context, presentationData: presentationData, interaction: self.itemInteraction!)
            self.enqueueTransition(transition)
            
            let fullscreenTransition = self.preparedFullscreenTransition(from: previousFullscreenEntries, to: fullscreenEntries, isLoading: false, isEmpty: false, canInvite: canInvite, crossFade: false, animated: true, context: self.context, presentationData: presentationData, interaction: self.itemInteraction!)
            if !isTablet {
                self.enqueueFullscreenTransition(fullscreenTransition)
            }
            
            if speakingPeersUpdated {
                var speakingPeers = speakingPeers
                var updatedSpeakers: [PeerId] = []
                for peerId in self.currentSpeakers {
                    if speakingPeers.contains(peerId) {
                        updatedSpeakers.append(peerId)
                        speakingPeers.remove(peerId)
                    }
                }
                
                var currentSpeakingSubtitle = ""
                for peerId in Array(speakingPeers) {
                    updatedSpeakers.append(peerId)
                    if let peer = entryByPeerId[peerId]?.peer {
                        let displayName = speakingPeers.count == 1 ? peer.displayTitle(strings: self.presentationData.strings, displayOrder: self.presentationData.nameDisplayOrder) : peer.compactDisplayTitle
                        if currentSpeakingSubtitle.isEmpty {
                            currentSpeakingSubtitle.append(displayName)
                        } else {
                            currentSpeakingSubtitle.append(", \(displayName)")
                        }
                    }
                }
                self.currentSpeakers = updatedSpeakers
                self.currentSpeakingSubtitle = currentSpeakingSubtitle.isEmpty ? nil : currentSpeakingSubtitle
                self.updateTitle(transition: .immediate)
            }
            
            if case .fullscreen = self.displayMode, !self.mainStageNode.animating {
                if speakingPeersUpdated {
                    self.mainStageNode.update(speakingPeerId: self.currentSpeakers.first)
                }
            } else {
                self.mainStageNode.update(speakingPeerId: nil)
            }
            
            if updateLayout, let (layout, navigationHeight) = self.validLayout {
                let transition = ContainedViewLayoutTransition.animated(duration: 0.4, curve: .easeInOut)
                if animatingLayout {
                    self.animatingExpansion = true
                }
                self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: transition)
                self.updateDecorationsLayout(transition: transition)
            }
        }

        private func callStateDidReset() {
            self.requestedVideoSources.removeAll()
            self.filterRequestedVideoChannels(channels: [])
            self.updateRequestedVideoChannels()
        }

        private func filterRequestedVideoChannels(channels: [PresentationGroupCallRequestedVideo]) {
            var validSources = Set<String>()
            for channel in channels {
                validSources.insert(channel.endpointId)

                if !self.requestedVideoSources.contains(channel.endpointId) {
                    self.requestedVideoSources.insert(channel.endpointId)
                    self.call.makeIncomingVideoView(endpointId: channel.endpointId, requestClone: GroupVideoNode.useBlurTransparency, completion: { [weak self] videoView, backdropVideoView in
                        Queue.mainQueue().async {
                            guard let strongSelf = self, let videoView = videoView else {
                                return
                            }
                            let videoNode = GroupVideoNode(videoView: videoView, backdropVideoView: backdropVideoView)
                            
                            strongSelf.readyVideoDisposables.set((combineLatest(videoNode.ready, .single(false) |> then(.single(true) |> delay(10.0, queue: Queue.mainQueue())))
                            |> deliverOnMainQueue
                            ).start(next: { [weak self, weak videoNode] ready, timeouted in
                                if let strongSelf = self, let videoNode = videoNode {
                                    Queue.mainQueue().after(0.1) {
                                        if timeouted && !ready {
                                            strongSelf.timeoutedEndpointIds.insert(channel.endpointId)
                                            strongSelf.readyVideoEndpointIds.remove(channel.endpointId)
                                            strongSelf.readyVideoEndpointIdsPromise.set(strongSelf.readyVideoEndpointIds)
                                            strongSelf.wideVideoNodes.remove(channel.endpointId)
                                            
                                            strongSelf.updateMembers()
                                        } else if ready {
                                            strongSelf.readyVideoEndpointIds.insert(channel.endpointId)
                                            strongSelf.readyVideoEndpointIdsPromise.set(strongSelf.readyVideoEndpointIds)
                                            strongSelf.timeoutedEndpointIds.remove(channel.endpointId)
                                            if videoNode.aspectRatio <= 0.77 {
                                                strongSelf.wideVideoNodes.insert(channel.endpointId)
                                            } else {
                                                strongSelf.wideVideoNodes.remove(channel.endpointId)
                                            }
                                            strongSelf.updateMembers()

                                            if let (layout, _) = strongSelf.validLayout, case .compact = layout.metrics.widthClass {
                                                if let interaction = strongSelf.itemInteraction {
                                                    loop: for i in 0 ..< strongSelf.currentFullscreenEntries.count {
                                                        let entry = strongSelf.currentFullscreenEntries[i]
                                                        switch entry {
                                                        case let .peer(peerEntry, _):
                                                            if peerEntry.effectiveVideoEndpointId == channel.endpointId {
                                                                let presentationData = strongSelf.presentationData.withUpdated(theme: strongSelf.darkTheme)
                                                                strongSelf.fullscreenListNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [ListViewUpdateItem(index: i, previousIndex: i, item: entry.fullscreenItem(context: strongSelf.context, presentationData: presentationData, interaction: interaction), directionHint: nil)], options: [.Synchronous], updateOpaqueState: nil)
                                                                break loop
                                                            }
                                                        default:
                                                            break
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }), forKey: channel.endpointId)
                            strongSelf.videoNodes[channel.endpointId] = videoNode

                            if let _ = strongSelf.validLayout {
                                strongSelf.updateMembers()
                            }
                        }
                    })
                }
            }

            var removeRequestedVideoSources: [String] = []
            for source in self.requestedVideoSources {
                if !validSources.contains(source) {
                    removeRequestedVideoSources.append(source)
                }
            }
            for source in removeRequestedVideoSources {
                self.requestedVideoSources.remove(source)
            }

            for (videoEndpointId, _) in self.videoNodes {
                if !validSources.contains(videoEndpointId) {
                    self.videoNodes[videoEndpointId] = nil
                    self.videoOrder.removeAll(where: { $0 == videoEndpointId })
                    self.readyVideoEndpointIds.remove(videoEndpointId)
                    self.readyVideoEndpointIdsPromise.set(self.readyVideoEndpointIds)
                    self.readyVideoDisposables.set(nil, forKey: videoEndpointId)
                }
            }
        }
        
        private func updateMainVideo(waitForFullSize: Bool, entries: [ListEntry]? = nil, updateMembers: Bool = true, force: Bool = false, completion: (() -> Void)? = nil) {
            let effectiveMainSpeaker = self.currentForcedSpeaker ?? self.currentDominantSpeaker.flatMap { ($0.0, $0.1) }
            guard effectiveMainSpeaker?.0 != self.effectiveSpeaker?.0 || effectiveMainSpeaker?.1 != self.effectiveSpeaker?.1 || force else {
                return
            }
            
            let currentEntries = entries ?? self.currentFullscreenEntries
            var effectiveSpeaker: (PeerId, String?, Bool, Bool, Bool)? = nil
            var anySpeakerWithVideo: (PeerId, String?, Bool, Bool, Bool)? = nil
            var anySpeaker: (PeerId, Bool)? = nil
            if let (peerId, preferredVideoEndpointId) = effectiveMainSpeaker {
                for entry in currentEntries {
                    switch entry {
                    case let .peer(peer, _):
                        if peer.peer.id == peerId {
                            if let preferredVideoEndpointId = preferredVideoEndpointId, peer.videoEndpointId == preferredVideoEndpointId || peer.presentationEndpointId == preferredVideoEndpointId {
                                var isPaused = false
                                if peer.presentationEndpointId != nil && preferredVideoEndpointId == peer.presentationEndpointId {
                                    isPaused = peer.presentationPaused
                                } else if peer.videoEndpointId != nil && preferredVideoEndpointId == peer.videoEndpointId {
                                    isPaused = peer.videoPaused
                                }
                                effectiveSpeaker = (peerId, preferredVideoEndpointId, peer.isMyPeer, peer.presentationEndpointId != nil && preferredVideoEndpointId == peer.presentationEndpointId, isPaused)
                            } else {
                                var isPaused = false
                                if peer.effectiveVideoEndpointId != nil && peer.effectiveVideoEndpointId == peer.presentationEndpointId {
                                    isPaused = peer.presentationPaused
                                } else if peer.effectiveVideoEndpointId != nil && peer.effectiveVideoEndpointId == peer.videoEndpointId {
                                    isPaused = peer.videoPaused
                                }
                                effectiveSpeaker = (peerId, peer.effectiveVideoEndpointId, peer.isMyPeer, peer.presentationEndpointId != nil && peer.effectiveVideoEndpointId == peer.presentationEndpointId, isPaused)
                            }
                        } else if anySpeakerWithVideo == nil, let videoEndpointId = peer.effectiveVideoEndpointId {
                            var isPaused = false
                            if videoEndpointId == peer.presentationEndpointId {
                                isPaused = peer.presentationPaused
                            } else if videoEndpointId == peer.videoEndpointId {
                                isPaused = peer.videoPaused
                            }
                            anySpeakerWithVideo = (peer.peer.id, videoEndpointId, peer.isMyPeer, peer.presentationEndpointId != nil && videoEndpointId == peer.presentationEndpointId, isPaused)
                        } else if anySpeaker == nil {
                            anySpeaker = (peer.peer.id, peer.isMyPeer)
                        }
                    default:
                        break
                    }
                }
            }

            if effectiveSpeaker == nil {
                self.currentForcedSpeaker = nil
                effectiveSpeaker = anySpeakerWithVideo ?? anySpeaker.flatMap { ($0.0, nil, $0.1, false, false) }
                if let (peerId, videoEndpointId, _, _, _) = effectiveSpeaker {
                    self.currentDominantSpeaker = (peerId, videoEndpointId, CACurrentMediaTime())
                } else {
                    self.currentDominantSpeaker = nil
                }
            }
            
            self.effectiveSpeaker = effectiveSpeaker
            if updateMembers {
                self.updateMembers(maybeUpdateVideo: false, force: force)
            }
            
            var waitForFullSize = waitForFullSize
            var isReady = false
            if let (_, maybeVideoEndpointId, _, _, _) = effectiveSpeaker, let videoEndpointId = maybeVideoEndpointId {
                isReady = true
                if !self.readyVideoEndpointIds.contains(videoEndpointId) {
                    isReady = false
                    if entries == nil {
                        waitForFullSize = false
                    }
                }
            }
            
            self.mainStageNode.update(peer: effectiveSpeaker, isReady: isReady, waitForFullSize: waitForFullSize, completion: {
                completion?()
            })
        }

        private func updateRequestedVideoChannels() {
            Queue.mainQueue().after(0.3) {
                self.call.setRequestedVideoList(items: self.requestedVideoChannels)
                self.filterRequestedVideoChannels(channels: self.requestedVideoChannels)
            }
        }
             
        override func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
            if gestureRecognizer is UILongPressGestureRecognizer {
                return !self.isScheduling
            } else if gestureRecognizer is DirectionalPanGestureRecognizer {
                if self.mainStageNode.animating || self.animatingMainStage {
                    return false
                }
                
                let bottomPanelLocation = gestureRecognizer.location(in: self.bottomPanelNode.view)
                let containerLocation = gestureRecognizer.location(in: self.contentContainer.view)
                let mainStageLocation = gestureRecognizer.location(in: self.mainStageNode.view)
                
                if self.isLandscape && self.mainStageContainerNode.isUserInteractionEnabled && mainStageLocation.x > self.mainStageNode.frame.width - 80.0 {
                    return false
                }
                
                if self.audioButton.frame.contains(bottomPanelLocation) || (!self.cameraButton.isHidden && self.cameraButton.frame.contains(bottomPanelLocation)) || self.leaveButton.frame.contains(bottomPanelLocation) || self.pickerView?.frame.contains(containerLocation) == true || (self.mainStageContainerNode.isUserInteractionEnabled && (mainStageLocation.y < 44.0 || mainStageLocation.y > self.mainStageNode.frame.height - 100.0)) {
                    return false
                }
            }
            return true
        }
        
        func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
            if gestureRecognizer is UIPanGestureRecognizer && otherGestureRecognizer is UIPanGestureRecognizer {
                return true
            }
            return false
        }
        
        @objc func panGesture(_ recognizer: UIPanGestureRecognizer) {
            guard let (layout, _) = self.validLayout else {
                return
            }
            let contentOffset = self.listNode.visibleContentOffset()
            switch recognizer.state {
                case .began:
                    let topInset: CGFloat
                    if case .regular = layout.metrics.widthClass {
                        topInset = 0.0
                    } else if self.isExpanded {
                        topInset = 0.0
                    } else if let currentTopInset = self.topInset {
                        topInset = currentTopInset
                    } else {
                        topInset = self.listNode.frame.height
                    }
                    self.panGestureArguments = (topInset, 0.0)
                    
                    self.controller?.dismissAllTooltips()
                    
                    if case .fullscreen = self.displayMode, case .compact = layout.metrics.widthClass {
                        self.isPanning = true
                        
                        self.mainStageBackgroundNode.alpha = 0.0
                        self.mainStageBackgroundNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.4)
                        self.mainStageNode.setControlsHidden(true, animated: true)
                        
                        self.fullscreenListNode.alpha = 0.0
                        self.fullscreenListNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.1, completion: { [weak self] finished in
                            self?.attachTileVideos()
                            
                            self?.fullscreenListContainer.subnodeTransform = CATransform3DIdentity
                        })
                        
                        self.listContainer.transform = CATransform3DMakeScale(0.86, 0.86, 1.0)
                        
                        self.contentContainer.insertSubnode(self.mainStageContainerNode, aboveSubnode: self.bottomPanelNode)
                    }
                case .changed:
                    var translation = recognizer.translation(in: self.contentContainer.view).y
                    if self.isScheduled && translation < 0.0 {
                        return
                    }
                    
                    let translateBounds: Bool
                    if case .regular = layout.metrics.widthClass {
                        translateBounds = true
                    } else {
                        switch self.displayMode {
                            case let .modal(isExpanded, previousIsFilled):
                                var topInset: CGFloat = 0.0
                                if let (currentTopInset, currentPanOffset) = self.panGestureArguments {
                                    topInset = currentTopInset
                                    
                                    if case let .known(value) = contentOffset, value <= 0.5 {
                                    } else {
                                        translation = currentPanOffset
                                        if self.isExpanded {
                                            recognizer.setTranslation(CGPoint(), in: self.contentContainer.view)
                                        }
                                    }
                                    
                                    self.panGestureArguments = (currentTopInset, translation)
                                }
                            
                                let currentOffset = topInset + translation
                            
                                var isFilled = previousIsFilled
                                if currentOffset < 20.0 {
                                    isFilled = true
                                } else if currentOffset > 40.0 {
                                    isFilled = false
                                }
                                if isFilled != previousIsFilled {
                                    self.displayMode = .modal(isExpanded: isExpanded, isFilled: isFilled)
                                    self.updateDecorationsColors()
                                }
                                 
                                if self.isExpanded {
                                } else {
                                    if currentOffset > 0.0 {
                                        self.listNode.scroller.panGestureRecognizer.setTranslation(CGPoint(), in: self.listNode.scroller)
                                    }
                                }
                            case .fullscreen:
                                if abs(translation) > 32.0 {
                                    if self.fullscreenListNode.layer.animationKeys()?.contains("opacity") == true {
                                        self.fullscreenListNode.layer.removeAllAnimations()
                                    }
                                }
                                var bounds = self.mainStageContainerNode.bounds
                                bounds.origin.y = -translation
                                self.mainStageContainerNode.bounds = bounds
                                
                                var backgroundFrame = self.mainStageNode.frame
                                backgroundFrame.origin.y += -translation
                                self.mainStageBackgroundNode.frame = backgroundFrame
                                
                                self.fullscreenListContainer.subnodeTransform = CATransform3DMakeTranslation(0.0, translation, 0.0)
                        }
                        
                        translateBounds = !self.isExpanded
                    }
                    
                    if let (layout, navigationHeight) = self.validLayout {
                        self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .immediate)
                        self.updateDecorationsLayout(transition: .immediate)
                    }
                    
                    if translateBounds {
                        var bounds = self.contentContainer.bounds
                        bounds.origin.y = -translation
                        bounds.origin.y = min(0.0, bounds.origin.y)
                        self.contentContainer.bounds = bounds
                    }
                case .ended:
                    let translation = recognizer.translation(in: self.contentContainer.view)
                    var velocity = recognizer.velocity(in: self.contentContainer.view)
                    
                    if case let .known(value) = contentOffset, value > 0.0 {
                        velocity = CGPoint()
                    } else if case .unknown = contentOffset {
                        velocity = CGPoint()
                    }
                    
                    var bounds = self.contentContainer.bounds
                    bounds.origin.y = -translation.y
                    bounds.origin.y = min(0.0, bounds.origin.y)
                    
                    let offset: CGFloat
                    if let (inset, panOffset) = self.panGestureArguments {
                        offset = inset + panOffset
                    } else {
                        offset = 0.0
                    }
                    
                    let topInset: CGFloat
                    if let currentTopInset = self.topInset {
                        topInset = currentTopInset
                    } else {
                        topInset = self.listNode.frame.height
                    }
                    
                    if case .fullscreen = self.displayMode, case .compact = layout.metrics.widthClass {
                        self.panGestureArguments = nil
                        self.fullscreenListContainer.subnodeTransform = CATransform3DIdentity
                        if abs(translation.y) > 100.0 || abs(velocity.y) > 300.0 {
                            self.mainStageBackgroundNode.layer.removeAllAnimations()
                            self.currentForcedSpeaker = nil
                            self.updateDisplayMode(.modal(isExpanded: true, isFilled: true), fromPan: true)
                            self.effectiveSpeaker = nil
                        } else {
                            self.isPanning = false
                            self.mainStageBackgroundNode.alpha = 1.0
                            self.mainStageBackgroundNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.15, completion: { [weak self] _ in
                                self?.attachFullscreenVideos()
                            })
                            self.mainStageNode.setControlsHidden(false, animated: true, delay: 0.15)
                            
                            self.fullscreenListNode.alpha = 1.0
                            self.fullscreenListNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2, delay: 0.15)
                            
                            var bounds = self.mainStageContainerNode.bounds
                            let previousBounds = bounds
                            bounds.origin.y = 0.0
                            self.mainStageContainerNode.bounds = bounds
                            self.mainStageContainerNode.layer.animateBounds(from: previousBounds, to: self.mainStageContainerNode.bounds, duration: 0.2, timingFunction: kCAMediaTimingFunctionSpring, completion: { [weak self] _ in
                                if let strongSelf = self {
                                    strongSelf.listContainer.transform = CATransform3DIdentity
                                    strongSelf.contentContainer.insertSubnode(strongSelf.mainStageContainerNode, belowSubnode: strongSelf.transitionContainerNode)
                                    strongSelf.updateMembers()
                                }
                            })
                        }
                    } else if case .modal(true, _) = self.displayMode, case .compact = layout.metrics.widthClass {
                        self.panGestureArguments = nil
                        if velocity.y > 300.0 || offset > topInset / 2.0 {
                            self.displayMode = .modal(isExpanded: false, isFilled: false)
                            self.updateDecorationsColors()
                            self.animatingExpansion = true
                            self.listNode.scroller.setContentOffset(CGPoint(), animated: false)
                            
                            let distance: CGFloat
                            if let topInset = self.topInset {
                                distance = topInset - offset
                            } else {
                                distance = 0.0
                            }
                            let initialVelocity: CGFloat = distance.isZero ? 0.0 : abs(velocity.y / distance)
                            let transition = ContainedViewLayoutTransition.animated(duration: 0.45, curve: .customSpring(damping: 124.0, initialVelocity: initialVelocity))
                            if let (layout, navigationHeight) = self.validLayout {
                                self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: transition)
                            }
                            self.updateDecorationsLayout(transition: transition, completion: {
                                self.animatingExpansion = false
                            })
                        } else {
                            self.displayMode = .modal(isExpanded: true, isFilled: true)
                            self.updateDecorationsColors()
                            self.animatingExpansion = true
                            
                            if let (layout, navigationHeight) = self.validLayout {
                                self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.3, curve: .easeInOut))
                            }
                            self.updateDecorationsLayout(transition: .animated(duration: 0.3, curve: .easeInOut), completion: {
                                self.animatingExpansion = false
                            })
                        }
                    } else {
                        self.panGestureArguments = nil
                        var dismissing = false
                        if bounds.minY < -60 || (bounds.minY < 0.0 && velocity.y > 300.0) {
                            if self.isScheduling {
                                self.dismissScheduled()
                            } else if case .regular = layout.metrics.widthClass {
                                self.controller?.dismiss(closing: false, manual: true)
                                dismissing = true
                            } else {
                                if case .fullscreen = self.displayMode {
                                } else {
                                    self.controller?.dismiss(closing: false, manual: true)
                                    dismissing = true
                                }
                            }
                        } else if !self.isScheduling && (velocity.y < -300.0 || offset < topInset / 2.0) {
                            if velocity.y > -2200.0 && !self.isFullscreen {
                                DispatchQueue.main.async {
                                    self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: ListViewScrollToItem(index: 0, position: .top(0.0), animated: true, curve: .Default(duration: nil), directionHint: .Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
                                }
                            }
                                                        
                            let initialVelocity: CGFloat = offset.isZero ? 0.0 : abs(velocity.y / offset)
                            let transition = ContainedViewLayoutTransition.animated(duration: 0.45, curve: .customSpring(damping: 124.0, initialVelocity: initialVelocity))
                            if case .modal = self.displayMode {
                                self.displayMode = .modal(isExpanded: true, isFilled: true)
                            }
                            self.updateDecorationsColors()
                            self.animatingExpansion = true
                            
                            if let (layout, navigationHeight) = self.validLayout {
                                self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: transition)
                            }
                            self.updateDecorationsLayout(transition: transition, completion: {
                                self.animatingExpansion = false
                            })
                        } else if !self.isScheduling {
                            self.updateDecorationsColors()
                            self.animatingExpansion = true
                            self.listNode.scroller.setContentOffset(CGPoint(), animated: false)
                                                        
                            if let (layout, navigationHeight) = self.validLayout {
                                self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.3, curve: .easeInOut))
                            }
                            self.updateDecorationsLayout(transition: .animated(duration: 0.3, curve: .easeInOut), completion: {
                                self.animatingExpansion = false
                            })
                        }
                        if !dismissing {
                            var bounds = self.contentContainer.bounds
                            let previousBounds = bounds
                            bounds.origin.y = 0.0
                            self.contentContainer.bounds = bounds
                            self.contentContainer.layer.animateBounds(from: previousBounds, to: self.contentContainer.bounds, duration: 0.3, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue)
                        }
                    }
                case .cancelled:
                    self.panGestureArguments = nil
                    
                    let previousBounds = self.contentContainer.bounds
                    var bounds = self.contentContainer.bounds
                    bounds.origin.y = 0.0
                    self.contentContainer.bounds = bounds
                    self.contentContainer.layer.animateBounds(from: previousBounds, to: self.contentContainer.bounds, duration: 0.3, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue)
                    
                    if let (layout, navigationHeight) = self.validLayout {
                        self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: .animated(duration: 0.3, curve: .easeInOut))
                    }
                    self.updateDecorationsLayout(transition: .animated(duration: 0.3, curve: .easeInOut), completion: {
                        self.animatingExpansion = false
                    })
                    
                    if case .fullscreen = self.displayMode, case .regular = layout.metrics.widthClass {
                        self.fullscreenListContainer.subnodeTransform = CATransform3DIdentity
                        self.isPanning = false
                        self.mainStageBackgroundNode.alpha = 1.0
                        self.mainStageBackgroundNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.15, completion: { [weak self] _ in
                            self?.attachFullscreenVideos()
                        })
                        self.mainStageNode.setControlsHidden(false, animated: true, delay: 0.15)
                        
                        self.fullscreenListNode.alpha = 1.0
                        self.fullscreenListNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2, delay: 0.15)
                        
                        var bounds = self.mainStageContainerNode.bounds
                        let previousBounds = bounds
                        bounds.origin.y = 0.0
                        self.mainStageContainerNode.bounds = bounds
                        self.mainStageContainerNode.layer.animateBounds(from: previousBounds, to: self.mainStageContainerNode.bounds, duration: 0.2, timingFunction: kCAMediaTimingFunctionSpring, completion: { [weak self] _ in
                            if let strongSelf = self {
                                strongSelf.contentContainer.insertSubnode(strongSelf.mainStageContainerNode, belowSubnode: strongSelf.transitionContainerNode)
                                strongSelf.updateMembers()
                                
                                strongSelf.listContainer.transform = CATransform3DIdentity
                            }
                        })
                    }
                default:
                    break
            }
        }
        
        override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
            let result = super.hitTest(point, with: event)
            if result === self.topPanelNode.view {
                return self.view
            }
            if result === self.bottomPanelNode.view {
                return self.view
            }
            if !self.bounds.contains(point) {
                return nil
            }
            if point.y < self.topPanelNode.frame.minY {
                return self.dimNode.view
            }
            return result
        }
        
        fileprivate func scrollToTop() {
            if self.isExpanded {
                self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: ListViewScrollToItem(index: 0, position: .top(0.0), animated: true, curve: .Default(duration: nil), directionHint: .Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
            }
        }
        
        private func openTitleEditing() {
            let _ = (self.context.account.postbox.loadedPeerWithId(self.call.peerId)
            |> deliverOnMainQueue).start(next: { [weak self] chatPeer in
                guard let strongSelf = self else {
                    return
                }
                
                let initialTitle = strongSelf.callState?.title ?? ""
                let controller = voiceChatTitleEditController(sharedContext: strongSelf.context.sharedContext, account: strongSelf.context.account, forceTheme: strongSelf.darkTheme, title: strongSelf.presentationData.strings.VoiceChat_EditTitleTitle, text: strongSelf.presentationData.strings.VoiceChat_EditTitleText, placeholder: chatPeer.displayTitle(strings: strongSelf.presentationData.strings, displayOrder: strongSelf.presentationData.nameDisplayOrder), value: initialTitle, maxLength: 40, apply: { title in
                    if let strongSelf = self, let title = title, title != initialTitle {
                        strongSelf.call.updateTitle(title)

                        strongSelf.presentUndoOverlay(content: .voiceChatFlag(text: title.isEmpty ? strongSelf.presentationData.strings.VoiceChat_EditTitleRemoveSuccess : strongSelf.presentationData.strings.VoiceChat_EditTitleSuccess(title).0), action: { _ in return false })
                    }
                })
                strongSelf.controller?.present(controller, in: .window(.root))
            })
        }
        
        private func openAvatarForEditing(fromGallery: Bool = false, completion: @escaping () -> Void = {}) {
            guard let peerId = self.callState?.myPeerId else {
                return
            }
            
            let _ = (self.context.account.postbox.transaction { transaction -> (Peer?, SearchBotsConfiguration) in
                return (transaction.getPeer(peerId), currentSearchBotsConfiguration(transaction: transaction))
            }
            |> deliverOnMainQueue).start(next: { [weak self] peer, searchBotsConfiguration in
                guard let strongSelf = self, let peer = peer else {
                    return
                }
                
                let presentationData = strongSelf.presentationData
                
                let legacyController = LegacyController(presentation: .custom, theme: strongSelf.darkTheme)
                legacyController.statusBar.statusBarStyle = .Ignore
                
                let emptyController = LegacyEmptyController(context: legacyController.context)!
                let navigationController = makeLegacyNavigationController(rootController: emptyController)
                navigationController.setNavigationBarHidden(true, animated: false)
                navigationController.navigationBar.transform = CGAffineTransform(translationX: -1000.0, y: 0.0)
                
                legacyController.bind(controller: navigationController)
                
                strongSelf.view.endEditing(true)
                strongSelf.controller?.present(legacyController, in: .window(.root))
                
                var hasPhotos = false
                if !peer.profileImageRepresentations.isEmpty {
                    hasPhotos = true
                }
                
                let paintStickersContext = LegacyPaintStickersContext(context: strongSelf.context)
//                paintStickersContext.presentStickersController = { completion in
//                    let controller = DrawingStickersScreen(context: strongSelf.context, selectSticker: { fileReference, node, rect in
//                        let coder = PostboxEncoder()
//                        coder.encodeRootObject(fileReference.media)
//                        completion?(coder.makeData(), fileReference.media.isAnimatedSticker, node.view, rect)
//                        return true
//                    })
//                    strongSelf.controller?.present(controller, in: .window(.root))
//                    return controller
//                }
                
                let mixin = TGMediaAvatarMenuMixin(context: legacyController.context, parentController: emptyController, hasSearchButton: true, hasDeleteButton: hasPhotos && !fromGallery, hasViewButton: false, personalPhoto: peerId.namespace == Namespaces.Peer.CloudUser, isVideo: false, saveEditedPhotos: false, saveCapturedMedia: false, signup: false)!
                mixin.forceDark = true
                mixin.stickersContext = paintStickersContext
                let _ = strongSelf.currentAvatarMixin.swap(mixin)
                mixin.requestSearchController = { [weak self] assetsController in
                    guard let strongSelf = self else {
                        return
                    }
                    let controller = WebSearchController(context: strongSelf.context, peer: peer, chatLocation: nil, configuration: searchBotsConfiguration, mode: .avatar(initialQuery: peer.id.namespace == Namespaces.Peer.CloudUser ? nil : peer.displayTitle(strings: presentationData.strings, displayOrder: presentationData.nameDisplayOrder), completion: { [weak self] result in
                        assetsController?.dismiss()
                        self?.updateProfilePhoto(result)
                    }))
                    controller.navigationPresentation = .modal
                    strongSelf.controller?.push(controller)
                    
                    if fromGallery {
                        completion()
                    }
                }
                mixin.didFinishWithImage = { [weak self] image in
                    if let image = image {
                        completion()
                       self?.updateProfilePhoto(image)
                    }
                }
                mixin.didFinishWithVideo = { [weak self] image, asset, adjustments in
                    if let image = image, let asset = asset {
                        completion()
                        self?.updateProfileVideo(image, asset: asset, adjustments: adjustments)
                    }
                }
                mixin.didFinishWithDelete = {
                    guard let strongSelf = self else {
                        return
                    }
                    
                    let proceed = {
                        let _ = strongSelf.currentAvatarMixin.swap(nil)
                        let postbox = strongSelf.context.account.postbox
                        strongSelf.updateAvatarDisposable.set((updatePeerPhoto(postbox: strongSelf.context.account.postbox, network: strongSelf.context.account.network, stateManager: strongSelf.context.account.stateManager, accountPeerId: strongSelf.context.account.peerId, peerId: peerId, photo: nil, mapResourceToAvatarSizes: { resource, representations in
                            return mapResourceToAvatarSizes(postbox: postbox, resource: resource, representations: representations)
                        })
                        |> deliverOnMainQueue).start())
                    }
                    
                    let actionSheet = ActionSheetController(presentationData: presentationData.withUpdated(theme: strongSelf.darkTheme))
                    let items: [ActionSheetItem] = [
                        ActionSheetButtonItem(title: presentationData.strings.Settings_RemoveConfirmation, color: .destructive, action: { [weak actionSheet] in
                            actionSheet?.dismissAnimated()
                            proceed()
                        })
                    ]
                    
                    actionSheet.setItemGroups([
                        ActionSheetItemGroup(items: items),
                        ActionSheetItemGroup(items: [
                            ActionSheetButtonItem(title: presentationData.strings.Common_Cancel, color: .accent, font: .bold, action: { [weak actionSheet] in
                                actionSheet?.dismissAnimated()
                            })
                        ])
                    ])
                    strongSelf.controller?.present(actionSheet, in: .window(.root))
                }
                mixin.didDismiss = { [weak legacyController] in
                    guard let strongSelf = self else {
                        return
                    }
                    let _ = strongSelf.currentAvatarMixin.swap(nil)
                    legacyController?.dismiss()
                }
                let menuController = mixin.present()
                if let menuController = menuController {
                    menuController.customRemoveFromParentViewController = { [weak legacyController] in
                        legacyController?.dismiss()
                    }
                }
            })
        }
        
        private func updateProfilePhoto(_ image: UIImage) {
            guard let data = image.jpegData(compressionQuality: 0.6), let peerId = self.callState?.myPeerId else {
                return
            }
            
            let resource = LocalFileMediaResource(fileId: Int64.random(in: Int64.min ... Int64.max))
            self.call.account.postbox.mediaBox.storeResourceData(resource.id, data: data)
            let representation = TelegramMediaImageRepresentation(dimensions: PixelDimensions(width: 640, height: 640), resource: resource, progressiveSizes: [], immediateThumbnailData: nil)
            
            self.currentUpdatingAvatar = representation
            self.updateAvatarPromise.set(.single((representation, 0.0)))

            let postbox = self.call.account.postbox
            let signal = peerId.namespace == Namespaces.Peer.CloudUser ? updateAccountPhoto(account: self.call.account, resource: resource, videoResource: nil, videoStartTimestamp: nil, mapResourceToAvatarSizes: { resource, representations in
                return mapResourceToAvatarSizes(postbox: postbox, resource: resource, representations: representations)
            }) : updatePeerPhoto(postbox: postbox, network: self.call.account.network, stateManager: self.call.account.stateManager, accountPeerId: self.context.account.peerId, peerId: peerId, photo: uploadedPeerPhoto(postbox: postbox, network: self.call.account.network, resource: resource), mapResourceToAvatarSizes: { resource, representations in
                return mapResourceToAvatarSizes(postbox: postbox, resource: resource, representations: representations)
            })
            
            self.updateAvatarDisposable.set((signal
            |> deliverOnMainQueue).start(next: { [weak self] result in
                guard let strongSelf = self else {
                    return
                }
                switch result {
                    case .complete:
                        strongSelf.updateAvatarPromise.set(.single(nil))
                    case let .progress(value):
                        strongSelf.updateAvatarPromise.set(.single((representation, value)))
                }
            }))
            
            self.updateMembers()
        }
        
        private func updateProfileVideo(_ image: UIImage, asset: Any?, adjustments: TGVideoEditAdjustments?) {
            guard let data = image.jpegData(compressionQuality: 0.6), let peerId = self.callState?.myPeerId else {
                return
            }
            
            let photoResource = LocalFileMediaResource(fileId: Int64.random(in: Int64.min ... Int64.max))
            self.context.account.postbox.mediaBox.storeResourceData(photoResource.id, data: data)
            let representation = TelegramMediaImageRepresentation(dimensions: PixelDimensions(width: 640, height: 640), resource: photoResource, progressiveSizes: [], immediateThumbnailData: nil)
            
            self.currentUpdatingAvatar = representation
            self.updateAvatarPromise.set(.single((representation, 0.0)))

            var videoStartTimestamp: Double? = nil
            if let adjustments = adjustments, adjustments.videoStartValue > 0.0 {
                videoStartTimestamp = adjustments.videoStartValue - adjustments.trimStartValue
            }
            
            let account = self.context.account
            let signal = Signal<TelegramMediaResource, UploadPeerPhotoError> { [weak self] subscriber in
                let entityRenderer: LegacyPaintEntityRenderer? = adjustments.flatMap { adjustments in
                    if let paintingData = adjustments.paintingData, paintingData.hasAnimation {
                        return LegacyPaintEntityRenderer(account: account, adjustments: adjustments)
                    } else {
                        return nil
                    }
                }
                let uploadInterface = LegacyLiveUploadInterface(account: account)
                let signal: SSignal
                if let asset = asset as? AVAsset {
                    signal = TGMediaVideoConverter.convert(asset, adjustments: adjustments, watcher: uploadInterface, entityRenderer: entityRenderer)!
                } else if let url = asset as? URL, let data = try? Data(contentsOf: url, options: [.mappedRead]), let image = UIImage(data: data), let entityRenderer = entityRenderer {
                    let durationSignal: SSignal = SSignal(generator: { subscriber in
                        let disposable = (entityRenderer.duration()).start(next: { duration in
                            subscriber?.putNext(duration)
                            subscriber?.putCompletion()
                        })
                        
                        return SBlockDisposable(block: {
                            disposable.dispose()
                        })
                    })
                    signal = durationSignal.map(toSignal: { duration -> SSignal? in
                        if let duration = duration as? Double {
                            return TGMediaVideoConverter.renderUIImage(image, duration: duration, adjustments: adjustments, watcher: nil, entityRenderer: entityRenderer)!
                        } else {
                            return SSignal.single(nil)
                        }
                    })
                   
                } else {
                    signal = SSignal.complete()
                }
                
                let signalDisposable = signal.start(next: { next in
                    if let result = next as? TGMediaVideoConversionResult {
                        if let image = result.coverImage, let data = image.jpegData(compressionQuality: 0.7) {
                            account.postbox.mediaBox.storeResourceData(photoResource.id, data: data)
                        }
                        
                        if let timestamp = videoStartTimestamp {
                            videoStartTimestamp = max(0.0, min(timestamp, result.duration - 0.05))
                        }
                        
                        var value = stat()
                        if stat(result.fileURL.path, &value) == 0 {
                            if let data = try? Data(contentsOf: result.fileURL) {
                                let resource: TelegramMediaResource
                                if let liveUploadData = result.liveUploadData as? LegacyLiveUploadInterfaceResult {
                                    resource = LocalFileMediaResource(fileId: liveUploadData.id)
                                } else {
                                    resource = LocalFileMediaResource(fileId: Int64.random(in: Int64.min ... Int64.max))
                                }
                                account.postbox.mediaBox.storeResourceData(resource.id, data: data, synchronous: true)
                                subscriber.putNext(resource)
                            }
                        }
                        subscriber.putCompletion()
                    } else if let strongSelf = self, let progress = next as? NSNumber {
                        Queue.mainQueue().async {
                            strongSelf.updateAvatarPromise.set(.single((representation, Float(truncating: progress) * 0.25)))
                        }
                    }
                }, error: { _ in
                }, completed: nil)
                
                let disposable = ActionDisposable {
                    signalDisposable?.dispose()
                }
                
                return ActionDisposable {
                    disposable.dispose()
                }
            }
            
            self.updateAvatarDisposable.set((signal
            |> mapToSignal { videoResource -> Signal<UpdatePeerPhotoStatus, UploadPeerPhotoError> in
                if peerId.namespace == Namespaces.Peer.CloudUser {
                    return updateAccountPhoto(account: account, resource: photoResource, videoResource: videoResource, videoStartTimestamp: videoStartTimestamp, mapResourceToAvatarSizes: { resource, representations in
                        return mapResourceToAvatarSizes(postbox: account.postbox, resource: resource, representations: representations)
                    })
                } else {
                    return updatePeerPhoto(postbox: account.postbox, network: account.network, stateManager: account.stateManager, accountPeerId: account.peerId, peerId: peerId, photo: uploadedPeerPhoto(postbox: account.postbox, network: account.network, resource: photoResource), video: uploadedPeerVideo(postbox: account.postbox, network: account.network, messageMediaPreuploadManager: account.messageMediaPreuploadManager, resource: videoResource) |> map(Optional.init), videoStartTimestamp: videoStartTimestamp, mapResourceToAvatarSizes: { resource, representations in
                        return mapResourceToAvatarSizes(postbox: account.postbox, resource: resource, representations: representations)
                    })
                }
            }
            |> deliverOnMainQueue).start(next: { [weak self] result in
                guard let strongSelf = self else {
                    return
                }
                switch result {
                    case .complete:
                        strongSelf.updateAvatarPromise.set(.single(nil))
                    case let .progress(value):
                        strongSelf.updateAvatarPromise.set(.single((representation, 0.25 + value * 0.75)))
                }
            }))
        }
        
        private func displayUnmuteTooltip() {
            guard let (layout, _) = self.validLayout else {
                return
            }
            let location = self.actionButton.view.convert(self.actionButton.bounds, to: self.view).center
            var point = CGRect(origin: CGPoint(x: location.x - 5.0, y: location.y - 5.0 - 68.0), size: CGSize(width: 10.0, height: 10.0))
            var position: TooltipScreen.ArrowPosition = .bottom
            if case .compact = layout.metrics.widthClass {
                if self.isLandscape {
                    point.origin.x = location.x - 5.0 - 36.0
                    point.origin.y = location.y - 5.0
                    position = .right
                } else if case .fullscreen = self.displayMode  {
                    point.origin.y += 32.0
                }
            }
            self.controller?.present(TooltipScreen(text: self.presentationData.strings.VoiceChat_UnmuteSuggestion, style: .gradient(UIColor(rgb: 0x1d446c), UIColor(rgb: 0x193e63)), icon: nil, location: .point(point, position), displayDuration: .custom(8.0), shouldDismissOnTouch: { _ in
                return .dismiss(consume: false)
            }), in: .window(.root))
        }
        
        private func displayToggleVideoSourceTooltip(screencast: Bool) {
//            guard let videoContainerNode = self.mainStageVideoContainerNode else {
//                return
//            }
//
//            let location = videoContainerNode.view.convert(videoContainerNode.otherVideoWrapperNode.frame, to: nil)
//            self.controller?.present(TooltipScreen(text: screencast ? self.presentationData.strings.VoiceChat_TapToViewCameraVideo : self.presentationData.strings.VoiceChat_TapToViewScreenVideo, icon: nil, location: .point(location.offsetBy(dx: -9.0, dy: 0.0), .right), displayDuration: .custom(3.0), shouldDismissOnTouch: { _ in
//                return .dismiss(consume: false)
//            }), in: .window(.root))
        }
        
        private var isScheduled: Bool {
            return self.isScheduling || self.callState?.scheduleTimestamp != nil
        }
        
        private func attachFullscreenVideos() {
            guard let (layout, _) = self.validLayout, case .compact = layout.metrics.widthClass else {
                return
            }
            var verticalItemNodes: [String: ASDisplayNode] = [:]
            self.listNode.forEachItemNode { itemNode in
                if let itemNode = itemNode as? VoiceChatTilesGridItemNode {
                    for tileNode in itemNode.tileNodes {
                        if let item = tileNode.item {
                            verticalItemNodes[String(item.peer.id.toInt64()) + "_" + item.videoEndpointId] = tileNode
                        }
                        
                        if tileNode.item?.peer.id == self.effectiveSpeaker?.0 && tileNode.item?.videoEndpointId == self.effectiveSpeaker?.1 {
                            tileNode.isHidden = false
                        }
                    }
                }
            }
                        
            self.fullscreenListNode.forEachItemNode { itemNode in
                if let itemNode = itemNode as? VoiceChatFullscreenParticipantItemNode, let item = itemNode.item {
                    let otherItemNode = verticalItemNodes[String(item.peer.id.toInt64()) + "_" + (item.videoEndpointId ?? "")]
                    itemNode.transitionIn(from: otherItemNode)
                }
            }
        }
        
        private func attachTileVideos() {
            var fullscreenItemNodes: [String: VoiceChatFullscreenParticipantItemNode] = [:]
            var tileNodes: [VoiceChatTileItemNode] = []
            if !self.tileGridNode.isHidden {
                tileNodes = self.tileGridNode.tileNodes
            } else {
                self.fullscreenListNode.forEachItemNode { itemNode in
                    if let itemNode = itemNode as? VoiceChatFullscreenParticipantItemNode, let item = itemNode.item {
                        fullscreenItemNodes[String(item.peer.id.toInt64()) + "_" + (item.videoEndpointId ?? "")] = itemNode
                    }
                }
                self.listNode.forEachItemNode { itemNode in
                    if let itemNode = itemNode as? VoiceChatTilesGridItemNode {
                        tileNodes = itemNode.tileNodes
                    }
                }
            }
            
            for tileNode in tileNodes {
                if let item = tileNode.item {
                    let otherItemNode = fullscreenItemNodes[String(item.peer.id.toInt64()) + "_" + item.videoEndpointId]
                    tileNode.transitionIn(from: otherItemNode)
                    
                    if tileNode.item?.peer.id == self.effectiveSpeaker?.0 && tileNode.item?.videoEndpointId == self.effectiveSpeaker?.1 {
                        tileNode.isHidden = true
                    }
                }
            }
        }
        
        private func updateDisplayMode(_ displayMode: DisplayMode, fromPan: Bool = false) {
            guard !self.animatingExpansion && !self.animatingMainStage && !self.mainStageNode.animating else {
                return
            }
            self.updateMembers()
            
            let previousDisplayMode = self.displayMode
            var isFullscreen = false
            if case .fullscreen = displayMode {
                isFullscreen = true
            }
            
            if case .fullscreen = previousDisplayMode, case .fullscreen = displayMode {
                self.animatingExpansion = true
            } else {
                self.animatingMainStage = true
            }
            
            var hasFullscreenList = false
            if let (layout, _) = self.validLayout, case .compact = layout.metrics.widthClass {
                hasFullscreenList = true
            }
            
            let completion = {
                self.displayMode = displayMode
                self.updateDecorationsColors()
                
                self.mainStageContainerNode.isHidden = false
                self.mainStageContainerNode.isUserInteractionEnabled = isFullscreen
                
                let transition: ContainedViewLayoutTransition = .animated(duration: 0.55, curve: .spring)
                if case .modal = previousDisplayMode, case .fullscreen = self.displayMode {
                    self.mainStageNode.alpha = 0.0
                    self.updateDecorationsLayout(transition: .immediate)
                    
                    var verticalItemNodes: [String: ASDisplayNode] = [:]
                    
                    var tileNodes: [VoiceChatTileItemNode] = []
                    if !self.tileGridNode.isHidden {
                        tileNodes = self.tileGridNode.tileNodes
                    } else {
                        self.listNode.forEachItemNode { itemNode in
                            if let itemNode = itemNode as? VoiceChatTilesGridItemNode {
                                tileNodes = itemNode.tileNodes
                            }
                        }
                    }
                    for tileNode in tileNodes {
                        if let item = tileNode.item {
                            verticalItemNodes[String(item.peer.id.toInt64()) + "_" + item.videoEndpointId] = tileNode
                        }
                    }
                    
                    let completion = {
                        let effectiveSpeakerPeerId = self.effectiveSpeaker?.0

                        if hasFullscreenList {
                            self.fullscreenListContainer.isHidden = false
                            self.fullscreenListNode.alpha = 0.0
                        }
                        
                        var gridSnapshotView: UIView?
                        if !hasFullscreenList, let snapshotView = self.tileGridNode.view.snapshotView(afterScreenUpdates: false) {
                            gridSnapshotView = snapshotView
                            self.tileGridNode.view.addSubview(snapshotView)
                            self.displayPanelVideos = true
                            self.updateMembers(maybeUpdateVideo: false, force: true)
                        }
                        
                        let completion = {
                            if hasFullscreenList {
                                self.attachFullscreenVideos()
                                
                                self.fullscreenListNode.alpha = 1.0
                                self.fullscreenListNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.15)
                            }
                        }
                        if let effectiveSpeakerPeerId = effectiveSpeakerPeerId, let otherItemNode = verticalItemNodes[String(effectiveSpeakerPeerId.toInt64()) + "_" + (self.effectiveSpeaker?.1 ?? "")] {
                                                        
                            if hasFullscreenList {
                                let transitionStartPosition = otherItemNode.view.convert(CGPoint(x: otherItemNode.frame.width / 2.0, y: otherItemNode.frame.height), to: self.fullscreenListContainer.view.superview)
                                self.fullscreenListContainer.layer.animatePosition(from: transitionStartPosition, to: self.fullscreenListContainer.position, duration: 0.55, timingFunction: kCAMediaTimingFunctionSpring)
                            }
                            
                            self.mainStageNode.animateTransitionIn(from: otherItemNode, transition: transition, completion: { [weak self] in
                                self?.animatingMainStage = false
                            })
                            self.mainStageNode.alpha = 1.0
                            
                            self.mainStageBackgroundNode.alpha = 1.0
                            self.mainStageBackgroundNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: hasFullscreenList ? 0.13 : 0.3, completion: { [weak otherItemNode] _ in
                                otherItemNode?.alpha = 0.0
                                gridSnapshotView?.removeFromSuperview()
                                completion()
                            })
                        } else {
                            completion()
                        }
                        
                        if hasFullscreenList {
                            self.listContainer.layer.animateScale(from: 1.0, to: 0.86, duration: 0.55, timingFunction: kCAMediaTimingFunctionSpring)
                        }
                        
                        if self.isLandscape {
                            self.transitionMaskTopFillLayer.opacity = 1.0
                        }
                        self.transitionMaskBottomFillLayer.animateAlpha(from: 0.0, to: 1.0, duration: 0.3, removeOnCompletion: false, completion: { [weak self] _ in
                            Queue.mainQueue().after(0.3) {
                                self?.transitionMaskTopFillLayer.opacity = 0.0
                                self?.transitionMaskBottomFillLayer.removeAllAnimations()
                            }
                        })
                                                
                        if let (layout, navigationHeight) = self.validLayout {
                            self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: transition)
                            self.updateDecorationsLayout(transition: transition)
                        }
                    }
                    let effectiveSpeakerPeerId = self.effectiveSpeaker?.0
                    var index = 0
                    for item in self.currentFullscreenEntries {
                        if case let .peer(entry, _) = item, entry.peer.id == effectiveSpeakerPeerId {
                            break
                        } else {
                            index += 1
                        }
                    }
                    let position: ListViewScrollPosition
                    if index > self.currentFullscreenEntries.count - 3 {
                        index = self.currentFullscreenEntries.count - 1
                        position = .bottom(0.0)
                    } else {
                        position = .center(.bottom)
                    }
                    self.fullscreenListNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: ListViewScrollToItem(index: index, position: position, animated: false, curve: .Default(duration: nil), directionHint: .Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in
                        completion()
                    })
                } else if case .fullscreen = previousDisplayMode, case .modal = self.displayMode {
                    var minimalVisiblePeerid: (PeerId, CGFloat)?
                    var fullscreenItemNodes: [String: VoiceChatFullscreenParticipantItemNode] = [:]
                    self.fullscreenListNode.forEachItemNode { itemNode in
                        if let itemNode = itemNode as? VoiceChatFullscreenParticipantItemNode, let item = itemNode.item {
                            let convertedFrame = itemNode.view.convert(itemNode.bounds, to: self.transitionContainerNode.view)
                            if let (_, x) = minimalVisiblePeerid {
                                if convertedFrame.minX >= 0.0 && convertedFrame.minX < x {
                                    minimalVisiblePeerid = (item.peer.id, convertedFrame.minX)
                                }
                            } else if convertedFrame.minX >= 0.0 {
                                minimalVisiblePeerid = (item.peer.id, convertedFrame.minX)
                            }
                            fullscreenItemNodes[String(item.peer.id.toInt64()) + "_" + (item.videoEndpointId ?? "")] = itemNode
                        }
                    }
                                        
                    let completion = {
                        let effectiveSpeakerPeerId = self.effectiveSpeaker?.0
                        var targetTileNode: VoiceChatTileItemNode?
                        
                        self.transitionContainerNode.addSubnode(self.mainStageNode)
                        
                        self.listContainer.transform = CATransform3DIdentity
                        
                        var tileNodes: [VoiceChatTileItemNode] = []
                        if !self.tileGridNode.isHidden {
                            tileNodes = self.tileGridNode.tileNodes
                        } else {
                            self.listNode.forEachItemNode { itemNode in
                                if let itemNode = itemNode as? VoiceChatTilesGridItemNode {
                                    tileNodes = itemNode.tileNodes
                                }
                            }
                        }
                        for tileNode in tileNodes {
                            if let item = tileNode.item {
                                if item.peer.id == effectiveSpeakerPeerId, item.videoEndpointId == self.effectiveSpeaker?.1 {
                                    targetTileNode = tileNode
                                }
                            }
                        }
                                                                        
                        var transitionOffset = -self.mainStageContainerNode.bounds.minY
                        if transitionOffset.isZero, let (layout, _) = self.validLayout {
                            if case .regular = layout.metrics.widthClass {
                                transitionOffset += 87.0
                            }
                            if let targetTileNode = targetTileNode {
                                let transitionTargetPosition = targetTileNode.view.convert(CGPoint(x: targetTileNode.frame.width / 2.0, y: targetTileNode.frame.height), to: self.fullscreenListContainer.view.superview)
                                self.fullscreenListContainer.layer.animatePosition(from: self.fullscreenListContainer.position, to: transitionTargetPosition, duration: 0.55, timingFunction: kCAMediaTimingFunctionSpring)
                            }
                            
                            if !hasFullscreenList {
                                self.displayPanelVideos = false
                                self.listNode.forEachItemNode { itemNode in
                                    if let itemNode = itemNode as? VoiceChatTilesGridItemNode {
                                        itemNode.snapshotForDismissal()
                                    }
                                }
                                self.updateMembers(maybeUpdateVideo: false, force: true)
                                self.attachTileVideos()
                                
                                self.mainStageBackgroundNode.alpha = 0.0
                                self.mainStageBackgroundNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25)
                            } else {
                                self.fullscreenListNode.alpha = 0.0
                                self.mainStageBackgroundNode.alpha = 1.0
                                self.fullscreenListNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.1, completion: { [weak self] _ in
                                    if let strongSelf = self {
                                        strongSelf.fullscreenListContainer.isHidden = true
                                        strongSelf.fullscreenListNode.alpha = 1.0
                                        strongSelf.attachTileVideos()
                                        
                                        strongSelf.mainStageBackgroundNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25)
                                        strongSelf.mainStageBackgroundNode.alpha = 0.0
                                    }
                                })
                            }
                        }
                        self.mainStageNode.animateTransitionOut(to: targetTileNode, offset: transitionOffset, transition: transition, completion: { [weak self] in
                            guard let strongSelf = self else {
                                return
                            }
                            strongSelf.effectiveSpeaker = nil
                            strongSelf.mainStageNode.update(peer: nil, waitForFullSize: false)
                            strongSelf.mainStageNode.setControlsHidden(false, animated: false)
                            strongSelf.fullscreenListContainer.isHidden = true
                            strongSelf.mainStageContainerNode.isHidden = true
                            strongSelf.mainStageContainerNode.addSubnode(strongSelf.mainStageNode)
                            
                            var bounds = strongSelf.mainStageContainerNode.bounds
                            bounds.origin.y = 0.0
                            strongSelf.mainStageContainerNode.bounds = bounds
                            
                            strongSelf.contentContainer.insertSubnode(strongSelf.mainStageContainerNode, belowSubnode: strongSelf.transitionContainerNode)
                            
                            strongSelf.isPanning = false
                            strongSelf.animatingMainStage = false
                        })
                                
                        if hasFullscreenList {
                            self.listContainer.layer.animateScale(from: 0.86, to: 1.0, duration: 0.55, timingFunction: kCAMediaTimingFunctionSpring)
                        }
                        
                        self.transitionMaskTopFillLayer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3)
                        if !transitionOffset.isZero {
                            self.transitionMaskBottomFillLayer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3)
                        }
                        
                        if let (layout, navigationHeight) = self.validLayout {
                            self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: transition)
                            self.updateDecorationsLayout(transition: transition)
                        }
                    }
                    if false, let (peerId, _) = minimalVisiblePeerid {
                        var index = 0
                        for item in self.currentEntries {
                            if case let .peer(entry, _) = item, entry.peer.id == peerId {
                                break
                            } else {
                                index += 1
                            }
                        }
                        self.listNode.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: ListViewScrollToItem(index: index, position: .top(0.0), animated: false, curve: .Default(duration: nil), directionHint: .Up), updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in
                            completion()
                        })
                    } else {
                        completion()
                    }
                } else if case .fullscreen = self.displayMode {
                    if let (layout, navigationHeight) = self.validLayout {
                        let transition: ContainedViewLayoutTransition = .animated(duration: 0.4, curve: .spring)
                        self.containerLayoutUpdated(layout, navigationHeight: navigationHeight, transition: transition)
                        self.updateDecorationsLayout(transition: transition)
                    }
                }
            }
        
            if case .fullscreen(false) = displayMode, case .modal = previousDisplayMode {
                self.updateMainVideo(waitForFullSize: true, updateMembers: true, force: true, completion: {
                    completion()
                })
            } else {
                completion()
            }
        }
        
        fileprivate var actionButtonPosition: CGPoint {
            guard let (layout, _) = self.validLayout else {
                return CGPoint()
            }
            let size = layout.size
            let hasCameraButton = self.cameraButton.isUserInteractionEnabled
            let centralButtonSide = min(size.width, size.height) - 32.0
            let centralButtonSize = CGSize(width: centralButtonSide, height: centralButtonSide)
            
            if case .regular = layout.metrics.widthClass {
                let contentWidth: CGFloat = max(320.0, min(375.0, floor(size.width * 0.3)))
                let contentLeftInset: CGFloat
                if self.peerIdToEndpointId.isEmpty {
                    contentLeftInset = floorToScreenPixels((layout.size.width - contentWidth) / 2.0)
                } else {
                    contentLeftInset = self.panelHidden ? layout.size.width : layout.size.width - contentWidth
                }
                return CGPoint(x: contentLeftInset + floorToScreenPixels(contentWidth / 2.0), y: layout.size.height - self.effectiveBottomAreaHeight - layout.intrinsicInsets.bottom + floor(self.effectiveBottomAreaHeight / 2.0) - 3.0)
            } else {
                switch self.displayMode {
                    case .modal:
                        if self.isLandscape {
                            let sideInset: CGFloat
                            let buttonsCount: Int
                            if hasCameraButton {
                                sideInset = 26.0
                                buttonsCount = 4
                            } else {
                                sideInset = 42.0
                                buttonsCount = 3
                            }
                            let spacing = floor((layout.size.height - sideInset * 2.0 - sideButtonSize.height * CGFloat(buttonsCount)) / (CGFloat(buttonsCount - 1)))
                            let x = layout.size.width - fullscreenBottomAreaHeight - layout.safeInsets.right + floor((fullscreenBottomAreaHeight - sideButtonSize.width) / 2.0)
                            let actionButtonFrame = CGRect(origin: CGPoint(x: x, y: sideInset + sideButtonSize.height + spacing), size: sideButtonSize)
                            return actionButtonFrame.center
                        } else {
                            let actionButtonFrame = CGRect(origin: CGPoint(x: floorToScreenPixels((size.width - centralButtonSize.width) / 2.0), y: layout.size.height - self.effectiveBottomAreaHeight - layout.intrinsicInsets.bottom + floor((self.effectiveBottomAreaHeight - centralButtonSize.height) / 2.0) - 3.0), size: centralButtonSize)
                            return actionButtonFrame.center
                        }
                    case let .fullscreen(controlsHidden):
                        if self.isLandscape {
                            let sideInset: CGFloat
                            let buttonsCount: Int
                            if hasCameraButton {
                                sideInset = 26.0
                                buttonsCount = 4
                            } else {
                                sideInset = 42.0
                                buttonsCount = 3
                            }
                            let spacing = floor((layout.size.height - sideInset * 2.0 - sideButtonSize.height * CGFloat(buttonsCount)) / (CGFloat(buttonsCount - 1)))
                            let x = layout.size.width - fullscreenBottomAreaHeight - layout.safeInsets.right + (controlsHidden ? fullscreenBottomAreaHeight + layout.safeInsets.right + 30.0 : floor((fullscreenBottomAreaHeight - sideButtonSize.width) / 2.0))
                            let actionButtonFrame = CGRect(origin: CGPoint(x: x, y: sideInset + sideButtonSize.height + spacing), size: sideButtonSize)
                            return actionButtonFrame.center
                        } else {
                            let sideInset: CGFloat
                            let buttonsCount: Int
                            if hasCameraButton {
                                sideInset = 26.0
                                buttonsCount = 4
                            } else {
                                sideInset = 42.0
                                buttonsCount = 3
                            }
                            let spacing = floor((layout.size.width - sideInset * 2.0 - sideButtonSize.width * CGFloat(buttonsCount)) / (CGFloat(buttonsCount - 1)))
                            let y = layout.size.height - self.effectiveBottomAreaHeight - layout.intrinsicInsets.bottom + (controlsHidden ? self.effectiveBottomAreaHeight + layout.intrinsicInsets.bottom + 30.0: floor((self.effectiveBottomAreaHeight - sideButtonSize.height) / 2.0))
                            let secondButtonFrame: CGRect
                            if hasCameraButton {
                                let firstButtonFrame = CGRect(origin: CGPoint(x: sideInset, y: y), size: sideButtonSize)
                                secondButtonFrame = CGRect(origin: CGPoint(x: firstButtonFrame.maxX + spacing, y: y), size: sideButtonSize)
                            } else {
                                secondButtonFrame = CGRect(origin: CGPoint(x: sideInset, y: y), size: sideButtonSize)
                            }
                            let actionButtonFrame = CGRect(origin: CGPoint(x: secondButtonFrame.maxX + spacing, y: y), size: sideButtonSize)
                            return actionButtonFrame.center
                        }
                }
            }
        }
    }
    
    private let sharedContext: SharedAccountContext
    public let call: PresentationGroupCall
    private let presentationData: PresentationData
    public var parentNavigationController: NavigationController?
        
    fileprivate let contentsReady = ValuePromise<Bool>(false, ignoreRepeated: true)
    fileprivate let dataReady = ValuePromise<Bool>(false, ignoreRepeated: true)
    fileprivate let audioOutputStateReady = ValuePromise<Bool>(false, ignoreRepeated: true)
    private let _ready = Promise<Bool>(false)
    override public var ready: Promise<Bool> {
        return self._ready
    }
    
    public var onViewDidAppear: (() -> Void)?
    public var onViewDidDisappear: (() -> Void)?
    private var reclaimActionButton: (() -> Void)?
    
    private var didAppearOnce: Bool = false
    private var isDismissed: Bool = false
    private var isDisconnected: Bool = false
    
    private var controllerNode: Node {
        return self.displayNode as! Node
    }
    
    private let idleTimerExtensionDisposable = MetaDisposable()
    
    public weak var currentOverlayController: VoiceChatOverlayController?
    
    private var validLayout: ContainerViewLayout?
    
    public init(sharedContext: SharedAccountContext, accountContext: AccountContext, call: PresentationGroupCall) {
        self.sharedContext = sharedContext
        self.call = call
        self.presentationData = sharedContext.currentPresentationData.with { $0 }
        
        super.init(navigationBarPresentationData: nil)
        
        self.automaticallyControlPresentationContextLayout = false
        self.blocksBackgroundWhenInOverlay = true
        
        self.supportedOrientations = ViewControllerSupportedOrientations(regularSize: .all, compactSize: .all)
                 
        self.statusBar.statusBarStyle = .Ignore
        
        self._ready.set(combineLatest([
            self.contentsReady.get(),
            self.dataReady.get(),
            self.audioOutputStateReady.get()
        ])
        |> map { values -> Bool in
            for value in values {
                if !value {
                    return false
                }
            }
            return true
        }
        |> filter { $0 })
        
        self.scrollToTop = { [weak self] in
            self?.controllerNode.scrollToTop()
        }
    }
    
    required init(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    deinit {
        self.idleTimerExtensionDisposable.dispose()
        
        if let currentOverlayController = self.currentOverlayController {
            currentOverlayController.animateOut(reclaim: false, targetPosition: CGPoint(), completion: { _ in })
        }
    }
    
    override public func loadDisplayNode() {
        self.displayNode = Node(controller: self, sharedContext: self.sharedContext, call: self.call)
        
        self.displayNodeDidLoad()
    }
        
    override public func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        
        self.isDismissed = false
        
        if !self.didAppearOnce {
            self.didAppearOnce = true
            
            self.reclaimActionButton?()
            self.controllerNode.animateIn()
            
            self.idleTimerExtensionDisposable.set(self.sharedContext.applicationBindings.pushIdleTimerExtension())
        }
        
        DispatchQueue.main.async {
            self.onViewDidAppear?()
        }
    }
    
    override public func viewDidDisappear(_ animated: Bool) {
        super.viewDidDisappear(animated)
        
        self.idleTimerExtensionDisposable.set(nil)
        
        DispatchQueue.main.async {
            self.didAppearOnce = false
            self.isDismissed = true
            self.detachActionButton()
            self.onViewDidDisappear?()
        }
    }
        
    private var dismissedManually: Bool = false
    public func dismiss(closing: Bool, manual: Bool = false) {
        if closing {
            self.isDisconnected = true
        } else {
            if let navigationController = self.navigationController as? NavigationController {
                let count = navigationController.viewControllers.count
                if count == 2 || navigationController.viewControllers[count - 2] is ChatController {
                    if case .active(.cantSpeak) = self.controllerNode.actionButton.stateValue {
                    } else if case .button = self.controllerNode.actionButton.stateValue {
                    } else if case .scheduled = self.controllerNode.actionButton.stateValue {
                    } else if let chatController = navigationController.viewControllers[count - 2] as? ChatController, chatController.isSendButtonVisible {
                    } else if let tabBarController = navigationController.viewControllers[count - 2] as? TabBarController, let chatListController = tabBarController.controllers[tabBarController.selectedIndex] as? ChatListController, chatListController.isSearchActive {
                    } else {
                        if manual {
                            self.dismissedManually = true
                            Queue.mainQueue().after(0.05) {
                                self.detachActionButton()
                            }
                        } else {
                            self.detachActionButton()
                        }
                    }
                }
            }
        }
        
        self.dismiss()
    }
    
    private func dismissAllTooltips() {
        self.window?.forEachController({ controller in
            if let controller = controller as? UndoOverlayController {
                controller.dismissWithCommitAction()
            }
        })
        self.forEachController({ controller in
            if let controller = controller as? UndoOverlayController {
                controller.dismissWithCommitAction()
            }
            if let controller = controller as? TooltipScreen {
                controller.dismiss()
            }
            return true
        })
    }

    private func detachActionButton() {
        guard self.currentOverlayController == nil && !self.isDisconnected else {
            return
        }
        
        let overlayController = VoiceChatOverlayController(actionButton: self.controllerNode.actionButton, audioOutputNode: self.controllerNode.audioButton, cameraNode: self.controllerNode.cameraButton, leaveNode: self.controllerNode.leaveButton, navigationController: self.navigationController as? NavigationController, initiallyHidden: self.dismissedManually)
        if let navigationController = self.navigationController as? NavigationController {
            navigationController.presentOverlay(controller: overlayController, inGlobal: true, blockInteraction: false)
        }
        
        self.currentOverlayController = overlayController
        self.dismissedManually = false
        
        self.reclaimActionButton = { [weak self, weak overlayController] in
            if let strongSelf = self {
                overlayController?.animateOut(reclaim: true, targetPosition: strongSelf.controllerNode.actionButtonPosition, completion: { immediate in
                    if let strongSelf = self, immediate {
                        strongSelf.controllerNode.actionButton.ignoreHierarchyChanges = true
                        strongSelf.controllerNode.bottomPanelNode.addSubnode(strongSelf.controllerNode.cameraButton)
                        strongSelf.controllerNode.bottomPanelNode.addSubnode(strongSelf.controllerNode.audioButton)
                        strongSelf.controllerNode.bottomPanelNode.addSubnode(strongSelf.controllerNode.leaveButton)
                        strongSelf.controllerNode.bottomPanelNode.addSubnode(strongSelf.controllerNode.actionButton)
                        
                        if immediate, let layout = strongSelf.validLayout {
                            strongSelf.containerLayoutUpdated(layout, transition: .immediate)
                        }
                        strongSelf.controllerNode.actionButton.ignoreHierarchyChanges = false
                    }
                })
                strongSelf.reclaimActionButton = nil
            }
        }
    }
    
    override public func dismiss(completion: (() -> Void)? = nil) {
        if !self.isDismissed {
            self.isDismissed = true
            self.didAppearOnce = false
            
            self.controllerNode.animateOut(completion: { [weak self] in
                completion?()
                self?.dismiss(animated: false)
            })
            
            DispatchQueue.main.async {
                self.onViewDidDisappear?()
            }
        }
    }
    
    override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
        super.containerLayoutUpdated(layout, transition: transition)
        self.validLayout = layout
        self.controllerNode.containerLayoutUpdated(layout, navigationHeight: self.navigationLayout(layout: layout).navigationFrame.maxY, transition: transition)
    }
}

private final class VoiceChatContextExtractedContentSource: ContextExtractedContentSource {
    var keepInPlace: Bool
    let ignoreContentTouches: Bool = false
    let blurBackground: Bool
    let maskView: UIView?
  
    private var animateTransitionIn: () -> Void
    private var animateTransitionOut: () -> Void
    
    private let sourceNode: ContextExtractedContentContainingNode
    
    var centerVertically: Bool
    var shouldBeDismissed: Signal<Bool, NoError>
    
    init(sourceNode: ContextExtractedContentContainingNode, maskView: UIView?, keepInPlace: Bool, blurBackground: Bool, centerVertically: Bool, shouldBeDismissed: Signal<Bool, NoError>, animateTransitionIn: @escaping () -> Void, animateTransitionOut: @escaping () -> Void) {
        self.sourceNode = sourceNode
        self.maskView = maskView
        self.keepInPlace = keepInPlace
        self.blurBackground = blurBackground
        self.centerVertically = centerVertically
        self.shouldBeDismissed = shouldBeDismissed
        self.animateTransitionIn = animateTransitionIn
        self.animateTransitionOut = animateTransitionOut
    }
    
    func takeView() -> ContextControllerTakeViewInfo? {
        self.animateTransitionIn()
        return ContextControllerTakeViewInfo(contentContainingNode: self.sourceNode, contentAreaInScreenSpace: UIScreen.main.bounds, maskView: self.maskView)
    }
    
    func putBack() -> ContextControllerPutBackViewInfo? {
        self.animateTransitionOut()
        return ContextControllerPutBackViewInfo(contentAreaInScreenSpace: UIScreen.main.bounds, maskView: self.maskView)
    }
}

private final class VoiceChatContextReferenceContentSource: ContextReferenceContentSource {
    private let controller: ViewController
    private let sourceNode: ContextReferenceContentNode
    
    init(controller: ViewController, sourceNode: ContextReferenceContentNode) {
        self.controller = controller
        self.sourceNode = sourceNode
    }
    
    func transitionInfo() -> ContextControllerReferenceViewInfo? {
        return ContextControllerReferenceViewInfo(referenceNode: self.sourceNode, contentAreaInScreenSpace: UIScreen.main.bounds)
    }
}