mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
374 lines
16 KiB
Swift
374 lines
16 KiB
Swift
import Foundation
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import UIKit
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import Display
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import AsyncDisplayKit
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import ComponentFlow
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import SwiftSignalKit
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import AccountContext
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import TelegramCore
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import MultilineTextComponent
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import AvatarNode
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import TelegramPresentationData
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import CheckNode
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import PeerPresenceStatusManager
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import TelegramStringFormatting
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private let avatarFont = avatarPlaceholderFont(size: 15.0)
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private func cancelContextGestures(view: UIView) {
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if let gestureRecognizers = view.gestureRecognizers {
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for gesture in gestureRecognizers {
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if let gesture = gesture as? ContextGesture {
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gesture.cancel()
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}
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}
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}
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for subview in view.subviews {
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cancelContextGestures(view: subview)
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}
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}
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final class PeerListItemComponent: Component {
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enum SelectionState: Equatable {
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case none
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case editing(isSelected: Bool)
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}
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enum SubtitleIcon {
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case lock
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}
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enum Subtitle: Equatable {
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case presence(EnginePeer.Presence?)
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case text(text: String, icon: SubtitleIcon)
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}
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let context: AccountContext
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let theme: PresentationTheme
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let strings: PresentationStrings
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let sideInset: CGFloat
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let title: String
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let subtitle: Subtitle
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let peer: EnginePeer?
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let selectionState: SelectionState
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let hasNext: Bool
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let action: (EnginePeer) -> Void
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init(
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context: AccountContext,
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theme: PresentationTheme,
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strings: PresentationStrings,
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sideInset: CGFloat,
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title: String,
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subtitle: Subtitle,
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peer: EnginePeer?,
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selectionState: SelectionState,
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hasNext: Bool,
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action: @escaping (EnginePeer) -> Void
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) {
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self.context = context
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self.theme = theme
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self.strings = strings
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self.sideInset = sideInset
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self.title = title
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self.subtitle = subtitle
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self.peer = peer
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self.selectionState = selectionState
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self.hasNext = hasNext
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self.action = action
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}
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static func ==(lhs: PeerListItemComponent, rhs: PeerListItemComponent) -> Bool {
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if lhs.context !== rhs.context {
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return false
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}
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if lhs.theme !== rhs.theme {
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return false
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}
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if lhs.strings !== rhs.strings {
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return false
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}
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if lhs.sideInset != rhs.sideInset {
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return false
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}
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if lhs.title != rhs.title {
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return false
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}
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if lhs.subtitle != rhs.subtitle {
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return false
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}
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if lhs.peer != rhs.peer {
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return false
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}
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if lhs.selectionState != rhs.selectionState {
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return false
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}
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if lhs.hasNext != rhs.hasNext {
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return false
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}
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return true
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}
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final class View: UIView {
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private let containerButton: HighlightTrackingButton
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private let title = ComponentView<Empty>()
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private let label = ComponentView<Empty>()
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private let separatorLayer: SimpleLayer
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private let avatarNode: AvatarNode
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private var labelIconView: UIImageView?
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private var checkLayer: CheckLayer?
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private var component: PeerListItemComponent?
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private weak var state: EmptyComponentState?
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private var statusManager: PeerPresenceStatusManager?
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override init(frame: CGRect) {
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self.separatorLayer = SimpleLayer()
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self.containerButton = HighlightTrackingButton()
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self.avatarNode = AvatarNode(font: avatarFont)
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self.avatarNode.isLayerBacked = true
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super.init(frame: frame)
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self.layer.addSublayer(self.separatorLayer)
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self.addSubview(self.containerButton)
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self.containerButton.layer.addSublayer(self.avatarNode.layer)
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self.containerButton.addTarget(self, action: #selector(self.pressed), for: .touchUpInside)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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@objc private func pressed() {
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guard let component = self.component, let peer = component.peer else {
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return
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}
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component.action(peer)
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}
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func update(component: PeerListItemComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: ComponentTransition) -> CGSize {
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let themeUpdated = self.component?.theme !== component.theme
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var hasSelectionUpdated = false
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if let previousComponent = self.component {
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switch previousComponent.selectionState {
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case .none:
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if case .none = component.selectionState {
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} else {
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hasSelectionUpdated = true
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}
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case .editing:
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if case .editing = component.selectionState {
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} else {
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hasSelectionUpdated = true
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}
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}
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}
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self.component = component
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self.state = state
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if case let .presence(presence) = component.subtitle, let presence {
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let statusManager: PeerPresenceStatusManager
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if let current = self.statusManager {
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statusManager = current
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} else {
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statusManager = PeerPresenceStatusManager(update: { [weak state] in
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state?.updated(transition: .immediate)
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})
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self.statusManager = statusManager
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}
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statusManager.reset(presence: presence)
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} else {
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self.statusManager = nil
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}
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let contextInset: CGFloat = 0.0
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let height: CGFloat = 60.0
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let verticalInset: CGFloat = 1.0
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let leftInset: CGFloat = 62.0 + component.sideInset
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var rightInset: CGFloat = contextInset * 2.0 + 8.0 + component.sideInset
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let avatarLeftInset: CGFloat = component.sideInset + 10.0
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if case let .editing(isSelected) = component.selectionState {
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rightInset += 48.0
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let checkSize: CGFloat = 22.0
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let checkLayer: CheckLayer
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if let current = self.checkLayer {
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checkLayer = current
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if themeUpdated {
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checkLayer.theme = CheckNodeTheme(theme: component.theme, style: .plain)
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}
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checkLayer.setSelected(isSelected, animated: !transition.animation.isImmediate)
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} else {
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checkLayer = CheckLayer(theme: CheckNodeTheme(theme: component.theme, style: .plain))
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self.checkLayer = checkLayer
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self.containerButton.layer.addSublayer(checkLayer)
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checkLayer.frame = CGRect(origin: CGPoint(x: -checkSize, y: floor((height - verticalInset * 2.0 - checkSize) / 2.0)), size: CGSize(width: checkSize, height: checkSize))
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checkLayer.setSelected(isSelected, animated: false)
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checkLayer.setNeedsDisplay()
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}
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transition.setFrame(layer: checkLayer, frame: CGRect(origin: CGPoint(x: availableSize.width - rightInset + floor((48.0 - checkSize) * 0.5), y: floor((height - verticalInset * 2.0 - checkSize) / 2.0)), size: CGSize(width: checkSize, height: checkSize)))
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} else {
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if let checkLayer = self.checkLayer {
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self.checkLayer = nil
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transition.setPosition(layer: checkLayer, position: CGPoint(x: -checkLayer.bounds.width * 0.5, y: checkLayer.position.y), completion: { [weak checkLayer] _ in
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checkLayer?.removeFromSuperlayer()
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})
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}
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}
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let avatarSize: CGFloat = 40.0
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let avatarFrame = CGRect(origin: CGPoint(x: avatarLeftInset, y: floor((height - verticalInset * 2.0 - avatarSize) / 2.0)), size: CGSize(width: avatarSize, height: avatarSize))
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if self.avatarNode.bounds.isEmpty {
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self.avatarNode.frame = avatarFrame
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} else {
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transition.setFrame(layer: self.avatarNode.layer, frame: avatarFrame)
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}
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if let peer = component.peer {
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let clipStyle: AvatarNodeClipStyle
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if case let .channel(channel) = peer, channel.flags.contains(.isForum) {
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clipStyle = .roundedRect
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} else {
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clipStyle = .round
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}
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if peer.id == component.context.account.peerId {
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self.avatarNode.setPeer(context: component.context, theme: component.theme, peer: peer, overrideImage: .savedMessagesIcon, clipStyle: clipStyle, displayDimensions: CGSize(width: avatarSize, height: avatarSize))
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} else {
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self.avatarNode.setPeer(context: component.context, theme: component.theme, peer: peer, clipStyle: clipStyle, displayDimensions: CGSize(width: avatarSize, height: avatarSize))
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}
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}
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var labelIcon: UIImage?
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let labelData: (String, Bool)
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switch component.subtitle {
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case let .presence(presence):
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if let presence {
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labelData = stringAndActivityForUserPresence(strings: component.strings, dateTimeFormat: PresentationDateTimeFormat(), presence: presence, relativeTo: Int32(Date().timeIntervalSince1970))
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} else {
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labelData = (component.strings.LastSeen_Offline, false)
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}
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case let .text(text, icon):
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switch icon {
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case .lock:
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labelIcon = PresentationResourcesItemList.peerStatusLockedImage(component.theme)
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}
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labelData = (text, false)
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}
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var maxTextSize = availableSize.width - leftInset - rightInset
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if labelIcon != nil {
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maxTextSize -= 48.0
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}
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let labelSize = self.label.update(
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transition: .immediate,
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component: AnyComponent(MultilineTextComponent(
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text: .plain(NSAttributedString(string: labelData.0, font: Font.regular(15.0), textColor: labelData.1 ? component.theme.list.itemAccentColor : component.theme.list.itemSecondaryTextColor))
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)),
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environment: {},
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containerSize: CGSize(width: maxTextSize, height: 100.0)
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)
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let previousTitleFrame = self.title.view?.frame
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var previousTitleContents: UIView?
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if hasSelectionUpdated && !"".isEmpty {
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previousTitleContents = self.title.view?.snapshotView(afterScreenUpdates: false)
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}
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let titleSize = self.title.update(
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transition: .immediate,
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component: AnyComponent(MultilineTextComponent(
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text: .plain(NSAttributedString(string: component.title, font: Font.semibold(17.0), textColor: component.theme.list.itemPrimaryTextColor))
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)),
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environment: {},
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containerSize: CGSize(width: maxTextSize, height: 100.0)
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)
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let titleSpacing: CGFloat = 1.0
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let centralContentHeight: CGFloat = titleSize.height + labelSize.height + titleSpacing
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let titleFrame = CGRect(origin: CGPoint(x: leftInset, y: floor((height - verticalInset * 2.0 - centralContentHeight) / 2.0)), size: titleSize)
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if let titleView = self.title.view {
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if titleView.superview == nil {
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titleView.isUserInteractionEnabled = false
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self.containerButton.addSubview(titleView)
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}
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titleView.frame = titleFrame
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if let previousTitleFrame, previousTitleFrame.origin.x != titleFrame.origin.x {
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transition.animatePosition(view: titleView, from: CGPoint(x: previousTitleFrame.origin.x - titleFrame.origin.x, y: 0.0), to: CGPoint(), additive: true)
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}
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if let previousTitleFrame, let previousTitleContents, previousTitleFrame.size != titleSize {
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previousTitleContents.frame = CGRect(origin: previousTitleFrame.origin, size: previousTitleFrame.size)
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self.addSubview(previousTitleContents)
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transition.setFrame(view: previousTitleContents, frame: CGRect(origin: titleFrame.origin, size: previousTitleFrame.size))
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transition.setAlpha(view: previousTitleContents, alpha: 0.0, completion: { [weak previousTitleContents] _ in
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previousTitleContents?.removeFromSuperview()
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})
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transition.animateAlpha(view: titleView, from: 0.0, to: 1.0)
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}
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}
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if let labelIcon {
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let labelIconView: UIImageView
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if let current = self.labelIconView {
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labelIconView = current
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} else {
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labelIconView = UIImageView()
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self.labelIconView = labelIconView
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self.containerButton.addSubview(labelIconView)
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}
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labelIconView.image = labelIcon
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let labelIconFrame = CGRect(origin: CGPoint(x: availableSize.width - rightInset - 48.0 + floor((48.0 - labelIcon.size.width) * 0.5), y: floor((height - verticalInset * 2.0 - labelIcon.size.height) / 2.0)), size: CGSize(width: labelIcon.size.width, height: labelIcon.size.height))
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transition.setFrame(view: labelIconView, frame: labelIconFrame)
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} else {
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if let labelIconView = self.labelIconView {
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self.labelIconView = nil
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labelIconView.removeFromSuperview()
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}
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}
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if let labelView = self.label.view {
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if labelView.superview == nil {
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labelView.isUserInteractionEnabled = false
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self.containerButton.addSubview(labelView)
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}
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transition.setFrame(view: labelView, frame: CGRect(origin: CGPoint(x: titleFrame.minX, y: titleFrame.maxY + titleSpacing), size: labelSize))
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}
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if themeUpdated {
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self.separatorLayer.backgroundColor = component.theme.list.itemPlainSeparatorColor.cgColor
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}
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transition.setFrame(layer: self.separatorLayer, frame: CGRect(origin: CGPoint(x: leftInset, y: height), size: CGSize(width: availableSize.width - leftInset, height: UIScreenPixel)))
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self.separatorLayer.isHidden = !component.hasNext
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let containerFrame = CGRect(origin: CGPoint(x: contextInset, y: verticalInset), size: CGSize(width: availableSize.width - contextInset * 2.0, height: height - verticalInset * 2.0))
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transition.setFrame(view: self.containerButton, frame: containerFrame)
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return CGSize(width: availableSize.width, height: height)
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}
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}
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func makeView() -> View {
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return View(frame: CGRect())
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}
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func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: ComponentTransition) -> CGSize {
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return view.update(component: self, availableSize: availableSize, state: state, environment: environment, transition: transition)
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}
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}
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