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217
TelegramUI/PeerMediaCollectionControllerNode.swift
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217
TelegramUI/PeerMediaCollectionControllerNode.swift
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import Foundation
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import AsyncDisplayKit
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import Postbox
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import SwiftSignalKit
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import Display
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import TelegramCore
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private func historyNodeImplForMode(_ mode: PeerMediaCollectionMode, account: Account, peerId: PeerId, messageId: MessageId?, controllerInteraction: ChatControllerInteraction) -> ASDisplayNode {
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switch mode {
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case .photoOrVideo:
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return ChatHistoryGridNode(account: account, peerId: peerId, messageId: messageId, tagMask: .PhotoOrVideo, controllerInteraction: controllerInteraction)
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case .file:
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let node = ChatHistoryListNode(account: account, peerId: peerId, tagMask: .File, messageId: messageId, controllerInteraction: controllerInteraction, mode: .list)
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node.preloadPages = true
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return node
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case .music:
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let node = ChatHistoryListNode(account: account, peerId: peerId, tagMask: .Music, messageId: messageId, controllerInteraction: controllerInteraction, mode: .list)
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node.preloadPages = true
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return node
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case .webpage:
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let node = ChatHistoryListNode(account: account, peerId: peerId, tagMask: .WebPage, messageId: messageId, controllerInteraction: controllerInteraction, mode: .list)
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node.preloadPages = true
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return node
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}
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}
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class PeerMediaCollectionControllerNode: ASDisplayNode {
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private let account: Account
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private let peerId: PeerId
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private let controllerInteraction: ChatControllerInteraction
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private var historyNodeImpl: ASDisplayNode
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var historyNode: ChatHistoryNode {
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return self.historyNodeImpl as! ChatHistoryNode
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}
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private let candidateHistoryNodeReadyDisposable = MetaDisposable()
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private var candidateHistoryNode: (ASDisplayNode, PeerMediaCollectionMode)?
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private var containerLayout: (ContainerViewLayout, CGFloat)?
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var requestLayout: (ContainedViewLayoutTransition) -> Void = { _ in }
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var requestUpdateMediaCollectionInterfaceState: (Bool, (PeerMediaCollectionInterfaceState) -> PeerMediaCollectionInterfaceState) -> Void = { _ in }
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private var mediaCollectionInterfaceState = PeerMediaCollectionInterfaceState()
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private var modeSelectionNode: PeerMediaCollectionModeSelectionNode?
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private var selectionPanel: ChatMessageSelectionInputPanelNode?
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init(account: Account, peerId: PeerId, messageId: MessageId?, controllerInteraction: ChatControllerInteraction) {
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self.account = account
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self.peerId = peerId
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self.controllerInteraction = controllerInteraction
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self.historyNodeImpl = historyNodeImplForMode(self.mediaCollectionInterfaceState.mode, account: account, peerId: peerId, messageId: messageId, controllerInteraction: controllerInteraction)
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super.init(viewBlock: {
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return UITracingLayerView()
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}, didLoad: nil)
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self.backgroundColor = UIColor.white
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self.addSubnode(self.historyNodeImpl)
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}
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deinit {
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self.candidateHistoryNodeReadyDisposable.dispose()
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}
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func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition, listViewTransaction: (ListViewUpdateSizeAndInsets) -> Void) {
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self.containerLayout = (layout, navigationBarHeight)
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var insets = layout.insets(options: [.input])
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insets.top += navigationBarHeight
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if let selectionState = self.mediaCollectionInterfaceState.selectionState {
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if let selectionPanel = self.selectionPanel {
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selectionPanel.peer = self.mediaCollectionInterfaceState.peer
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selectionPanel.selectedMessageCount = selectionState.selectedIds.count
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let panelSize = selectionPanel.measure(layout.size)
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transition.updateFrame(node: selectionPanel, frame: CGRect(origin: CGPoint(x: 0.0, y: layout.size.height - insets.bottom - panelSize.height), size: panelSize))
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} else {
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let selectionPanel = ChatMessageSelectionInputPanelNode()
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selectionPanel.peer = self.mediaCollectionInterfaceState.peer
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selectionPanel.selectedMessageCount = selectionState.selectedIds.count
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selectionPanel.backgroundColor = UIColor(0xfafafa)
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let panelSize = selectionPanel.measure(layout.size)
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selectionPanel.frame = CGRect(origin: CGPoint(x: 0.0, y: layout.size.height - insets.bottom), size: panelSize)
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self.selectionPanel = selectionPanel
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self.addSubnode(selectionPanel)
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transition.updateFrame(node: selectionPanel, frame: CGRect(origin: CGPoint(x: 0.0, y: layout.size.height - insets.bottom - panelSize.height), size: panelSize))
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}
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} else if let selectionPanel = self.selectionPanel {
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self.selectionPanel = nil
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transition.updateFrame(node: selectionPanel, frame: selectionPanel.frame.offsetBy(dx: 0.0, dy: selectionPanel.bounds.size.height), completion: { [weak selectionPanel] _ in
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selectionPanel?.removeFromSupernode()
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})
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}
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var duration: Double = 0.0
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var curve: UInt = 0
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switch transition {
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case .immediate:
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break
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case let .animated(animationDuration, animationCurve):
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duration = animationDuration
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switch animationCurve {
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case .easeInOut:
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break
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case .spring:
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curve = 7
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}
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}
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let previousBounds = self.historyNodeImpl.bounds
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self.historyNodeImpl.bounds = CGRect(x: previousBounds.origin.x, y: previousBounds.origin.y, width: layout.size.width, height: layout.size.height)
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self.historyNodeImpl.position = CGPoint(x: layout.size.width / 2.0, y: layout.size.height / 2.0)
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let listViewCurve: ListViewAnimationCurve
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if curve == 7 {
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listViewCurve = .Spring(duration: duration)
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} else {
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listViewCurve = .Default
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}
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var additionalBottomInset: CGFloat = 0.0
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if let selectionPanel = self.selectionPanel {
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additionalBottomInset = selectionPanel.bounds.size.height
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}
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listViewTransaction(ListViewUpdateSizeAndInsets(size: layout.size, insets: UIEdgeInsets(top: insets.top, left:
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insets.right, bottom: insets.bottom + additionalBottomInset, right: insets.left), duration: duration, curve: listViewCurve))
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if let (candidateHistoryNode, _) = self.candidateHistoryNode {
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let previousBounds = candidateHistoryNode.bounds
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candidateHistoryNode.bounds = CGRect(x: previousBounds.origin.x, y: previousBounds.origin.y, width: layout.size.width, height: layout.size.height)
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candidateHistoryNode.position = CGPoint(x: layout.size.width / 2.0, y: layout.size.height / 2.0)
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(candidateHistoryNode as! ChatHistoryNode).updateLayout(transition: transition, updateSizeAndInsets: ListViewUpdateSizeAndInsets(size: layout.size, insets: UIEdgeInsets(top: insets.top, left:
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insets.right, bottom: insets.bottom + additionalBottomInset, right: insets.left), duration: duration, curve: listViewCurve))
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}
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if self.mediaCollectionInterfaceState.selectingMode {
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if let modeSelectionNode = self.modeSelectionNode {
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modeSelectionNode.frame = CGRect(origin: CGPoint(), size: layout.size)
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modeSelectionNode.containerLayoutUpdated(layout, navigationBarHeight: navigationBarHeight, transition: transition)
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modeSelectionNode.mediaCollectionInterfaceState = self.mediaCollectionInterfaceState
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} else {
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let modeSelectionNode = PeerMediaCollectionModeSelectionNode()
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modeSelectionNode.selectedMode = { [weak self] mode in
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if let requestUpdateMediaCollectionInterfaceState = self?.requestUpdateMediaCollectionInterfaceState {
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requestUpdateMediaCollectionInterfaceState(true, { $0.withToggledSelectingMode().withMode(mode) })
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}
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}
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modeSelectionNode.dismiss = { [weak self] in
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if let requestUpdateMediaCollectionInterfaceState = self?.requestUpdateMediaCollectionInterfaceState {
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requestUpdateMediaCollectionInterfaceState(true, { $0.withToggledSelectingMode() })
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}
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}
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modeSelectionNode.frame = CGRect(origin: CGPoint(), size: layout.size)
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modeSelectionNode.containerLayoutUpdated(layout, navigationBarHeight: navigationBarHeight, transition: .immediate)
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modeSelectionNode.mediaCollectionInterfaceState = self.mediaCollectionInterfaceState
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self.insertSubnode(modeSelectionNode, aboveSubnode: self.historyNodeImpl)
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modeSelectionNode.animateIn()
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self.modeSelectionNode = modeSelectionNode
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}
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} else if let modeSelectionNode = self.modeSelectionNode {
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self.modeSelectionNode = nil
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modeSelectionNode.animateOut { [weak modeSelectionNode] in
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modeSelectionNode?.removeFromSupernode()
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}
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}
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}
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func updateMediaCollectionInterfaceState(_ mediaCollectionInterfaceState: PeerMediaCollectionInterfaceState, animated: Bool) {
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if self.mediaCollectionInterfaceState != mediaCollectionInterfaceState {
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if self.mediaCollectionInterfaceState.mode != mediaCollectionInterfaceState.mode {
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if let containerLayout = self.containerLayout, self.candidateHistoryNode == nil || self.candidateHistoryNode!.1 != mediaCollectionInterfaceState.mode {
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let node = historyNodeImplForMode(mediaCollectionInterfaceState.mode, account: self.account, peerId: self.peerId, messageId: nil, controllerInteraction: self.controllerInteraction)
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self.candidateHistoryNode = (node, mediaCollectionInterfaceState.mode)
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var insets = containerLayout.0.insets(options: [.input])
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insets.top += containerLayout.1
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let previousBounds = node.bounds
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node.bounds = CGRect(x: previousBounds.origin.x, y: previousBounds.origin.y, width: containerLayout.0.size.width, height: containerLayout.0.size.height)
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node.position = CGPoint(x: containerLayout.0.size.width / 2.0, y: containerLayout.0.size.height / 2.0)
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var additionalBottomInset: CGFloat = 0.0
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if let selectionPanel = self.selectionPanel {
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additionalBottomInset = selectionPanel.bounds.size.height
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}
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(node as! ChatHistoryNode).updateLayout(transition: .immediate, updateSizeAndInsets: ListViewUpdateSizeAndInsets(size: containerLayout.0.size, insets: UIEdgeInsets(top: insets.top, left: insets.right, bottom: insets.bottom + additionalBottomInset, right: insets.left), duration: 0.0, curve: .Default))
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self.candidateHistoryNodeReadyDisposable.set(((node as! ChatHistoryNode).historyReady.get()
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|> deliverOnMainQueue).start(next: { [weak self, weak node] _ in
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if let strongSelf = self, let strongNode = node, strongNode == strongSelf.candidateHistoryNode?.0 {
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strongSelf.candidateHistoryNode = nil
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strongSelf.insertSubnode(strongNode, aboveSubnode: strongSelf.historyNodeImpl)
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strongSelf.historyNodeImpl.removeFromSupernode()
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strongSelf.historyNodeImpl = strongNode
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}
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}))
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}
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}
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self.mediaCollectionInterfaceState = mediaCollectionInterfaceState
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if let modeSelectionNode = self.modeSelectionNode {
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modeSelectionNode.mediaCollectionInterfaceState = mediaCollectionInterfaceState
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}
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self.requestLayout(animated ? .animated(duration: 0.4, curve: .spring) : .immediate)
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}
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}
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}
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