mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
862 lines
42 KiB
Swift
862 lines
42 KiB
Swift
import Foundation
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import UIKit
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import AsyncDisplayKit
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import Display
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import SwiftSignalKit
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import Postbox
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import TelegramCore
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import TelegramPresentationData
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import AccountContext
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import ComponentFlow
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import ViewControllerComponent
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import EntityKeyboard
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import PagerComponent
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private final class StickerSelectionComponent: Component {
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public typealias EnvironmentType = Empty
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public let theme: PresentationTheme
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public let strings: PresentationStrings
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public let deviceMetrics: DeviceMetrics
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public let stickerContent: EmojiPagerContentComponent
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public let backgroundColor: UIColor
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public let separatorColor: UIColor
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public init(
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theme: PresentationTheme,
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strings: PresentationStrings,
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deviceMetrics: DeviceMetrics,
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stickerContent: EmojiPagerContentComponent,
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backgroundColor: UIColor,
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separatorColor: UIColor
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) {
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self.theme = theme
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self.strings = strings
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self.deviceMetrics = deviceMetrics
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self.stickerContent = stickerContent
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self.backgroundColor = backgroundColor
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self.separatorColor = separatorColor
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}
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public static func ==(lhs: StickerSelectionComponent, rhs: StickerSelectionComponent) -> Bool {
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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.deviceMetrics != rhs.deviceMetrics {
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return false
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}
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if lhs.stickerContent != rhs.stickerContent {
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return false
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}
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if lhs.backgroundColor != rhs.backgroundColor {
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return false
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}
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if lhs.separatorColor != rhs.separatorColor {
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return false
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}
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return true
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}
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public final class View: UIView {
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private let keyboardView: ComponentView<Empty>
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private let keyboardClippingView: UIView
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private let panelHostView: PagerExternalTopPanelContainer
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private let panelBackgroundView: BlurredBackgroundView
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private let panelSeparatorView: UIView
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private var component: StickerSelectionComponent?
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private weak var state: EmptyComponentState?
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override init(frame: CGRect) {
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self.keyboardView = ComponentView<Empty>()
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self.keyboardClippingView = UIView()
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self.panelHostView = PagerExternalTopPanelContainer()
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self.panelBackgroundView = BlurredBackgroundView(color: .clear, enableBlur: true)
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self.panelSeparatorView = UIView()
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super.init(frame: frame)
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self.addSubview(self.keyboardClippingView)
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self.addSubview(self.panelBackgroundView)
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self.addSubview(self.panelSeparatorView)
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self.addSubview(self.panelHostView)
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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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deinit {
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}
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func update(component: StickerSelectionComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<EnvironmentType>, transition: Transition) -> CGSize {
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self.backgroundColor = component.backgroundColor
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let panelBackgroundColor = component.backgroundColor.withMultipliedAlpha(0.85)
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self.panelBackgroundView.updateColor(color: panelBackgroundColor, transition: .immediate)
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self.panelSeparatorView.backgroundColor = component.separatorColor
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self.component = component
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self.state = state
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let topPanelHeight: CGFloat = 42.0
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let keyboardSize = self.keyboardView.update(
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transition: transition,//.withUserData(EmojiPagerContentComponent.SynchronousLoadBehavior(isDisabled: true)),
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component: AnyComponent(EntityKeyboardComponent(
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theme: component.theme,
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strings: component.strings,
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isContentInFocus: true,
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containerInsets: UIEdgeInsets(top: topPanelHeight - 34.0, left: 0.0, bottom: 0.0, right: 0.0),
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topPanelInsets: UIEdgeInsets(top: 0.0, left: 4.0, bottom: 0.0, right: 4.0),
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emojiContent: nil,
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stickerContent: component.stickerContent,
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gifContent: nil,
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hasRecentGifs: false,
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availableGifSearchEmojies: [],
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defaultToEmojiTab: false,
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externalTopPanelContainer: self.panelHostView,
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topPanelExtensionUpdated: { _, _ in },
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hideInputUpdated: { _, _, _ in },
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hideTopPanelUpdated: { _, _ in },
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switchToTextInput: {},
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switchToGifSubject: { _ in },
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reorderItems: { _, _ in },
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makeSearchContainerNode: { _ in return nil },
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deviceMetrics: component.deviceMetrics,
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hiddenInputHeight: 0.0,
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inputHeight: 0.0,
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displayBottomPanel: false,
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isExpanded: true
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)),
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environment: {},
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containerSize: availableSize
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)
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if let keyboardComponentView = self.keyboardView.view {
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if keyboardComponentView.superview == nil {
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self.keyboardClippingView.addSubview(keyboardComponentView)
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}
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if panelBackgroundColor.alpha < 0.01 {
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self.keyboardClippingView.clipsToBounds = true
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} else {
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self.keyboardClippingView.clipsToBounds = false
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}
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transition.setFrame(view: self.keyboardClippingView, frame: CGRect(origin: CGPoint(x: 0.0, y: topPanelHeight), size: CGSize(width: availableSize.width, height: availableSize.height - topPanelHeight)))
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transition.setFrame(view: keyboardComponentView, frame: CGRect(origin: CGPoint(x: 0.0, y: -topPanelHeight), size: keyboardSize))
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transition.setFrame(view: self.panelHostView, frame: CGRect(origin: CGPoint(x: 0.0, y: topPanelHeight - 34.0), size: CGSize(width: keyboardSize.width, height: 0.0)))
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transition.setFrame(view: self.panelBackgroundView, frame: CGRect(origin: CGPoint(), size: CGSize(width: keyboardSize.width, height: topPanelHeight)))
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self.panelBackgroundView.update(size: self.panelBackgroundView.bounds.size, transition: transition.containedViewLayoutTransition)
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transition.setFrame(view: self.panelSeparatorView, frame: CGRect(origin: CGPoint(x: 0.0, y: topPanelHeight), size: CGSize(width: keyboardSize.width, height: UIScreenPixel)))
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transition.setAlpha(view: self.panelSeparatorView, alpha: 1.0)
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}
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return availableSize
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}
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}
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public func makeView() -> View {
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return View(frame: CGRect())
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}
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public func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<EnvironmentType>, transition: Transition) -> 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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public class StickerPickerScreen: ViewController {
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final class Node: ViewControllerTracingNode, UIScrollViewDelegate, UIGestureRecognizerDelegate {
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private var presentationData: PresentationData
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private weak var controller: StickerPickerScreen?
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private let theme: PresentationTheme
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let dim: ASDisplayNode
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let wrappingView: UIView
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let containerView: UIView
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let scrollView: UIScrollView
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let hostView: ComponentHostView<Empty>
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private var stickerContent: EmojiPagerContentComponent?
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private let stickerContentDisposable = MetaDisposable()
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private var scheduledEmojiContentAnimationHint: EmojiPagerContentComponent.ContentAnimation?
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private(set) var isExpanded = false
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private var panGestureRecognizer: UIPanGestureRecognizer?
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private var panGestureArguments: (topInset: CGFloat, offset: CGFloat, scrollView: UIScrollView?, listNode: ListView?)?
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private var currentIsVisible: Bool = false
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private var currentLayout: (layout: ContainerViewLayout, navigationHeight: CGFloat)?
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fileprivate var temporaryDismiss = false
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init(context: AccountContext, controller: StickerPickerScreen, theme: PresentationTheme) {
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self.presentationData = context.sharedContext.currentPresentationData.with { $0 }
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self.controller = controller
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self.theme = theme
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self.dim = ASDisplayNode()
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self.dim.alpha = 0.0
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self.dim.backgroundColor = UIColor(white: 0.0, alpha: 0.25)
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self.wrappingView = UIView()
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self.containerView = UIView()
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self.scrollView = UIScrollView()
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self.hostView = ComponentHostView()
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super.init()
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self.scrollView.delegate = self
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self.scrollView.showsVerticalScrollIndicator = false
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self.containerView.clipsToBounds = true
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self.containerView.backgroundColor = .clear
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self.addSubnode(self.dim)
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self.view.addSubview(self.wrappingView)
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self.wrappingView.addSubview(self.containerView)
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self.containerView.addSubview(self.scrollView)
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self.scrollView.addSubview(self.hostView)
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self.stickerContentDisposable.set((
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EmojiPagerContentComponent.stickerInputData(
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context: context,
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animationCache: context.animationCache,
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animationRenderer: context.animationRenderer,
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stickerNamespaces: [Namespaces.ItemCollection.CloudStickerPacks],
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stickerOrderedItemListCollectionIds: [Namespaces.OrderedItemList.CloudSavedStickers, Namespaces.OrderedItemList.CloudRecentStickers, Namespaces.OrderedItemList.CloudAllPremiumStickers],
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chatPeerId: context.account.peerId
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)
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|> deliverOnMainQueue).start(next: { [weak self] content in
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if let strongSelf = self {
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strongSelf.updateContent(content)
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}
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})
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)
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}
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deinit {
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self.stickerContentDisposable.dispose()
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}
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func updateContent(_ content: EmojiPagerContentComponent) {
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self.stickerContent = content
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content.inputInteractionHolder.inputInteraction = EmojiPagerContentComponent.InputInteraction(
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performItemAction: { [weak self] _, item, _, _, _, _ in
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guard let strongSelf = self, let file = item.itemFile else {
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return
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}
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strongSelf.controller?.completion(file)
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strongSelf.controller?.dismiss(animated: true)
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},
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deleteBackwards: {},
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openStickerSettings: {
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// guard let controllerInteraction = controllerInteraction else {
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// return
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// }
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// let controller = installedStickerPacksController(context: context, mode: .modal)
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// controller.navigationPresentation = .modal
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// controllerInteraction.navigationController()?.pushViewController(controller)
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},
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openFeatured: {
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// guard let controllerInteraction = controllerInteraction else {
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// return
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// }
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//
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// controllerInteraction.navigationController()?.pushViewController(FeaturedStickersScreen(
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// context: context,
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// highlightedPackId: nil,
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// sendSticker: { [weak controllerInteraction] fileReference, sourceNode, sourceRect in
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// guard let controllerInteraction = controllerInteraction else {
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// return false
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// }
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// return controllerInteraction.sendSticker(fileReference, false, false, nil, false, sourceNode, sourceRect, nil, [])
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// }
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// ))
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},
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openSearch: {},
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addGroupAction: { [weak self] groupId, isPremiumLocked in
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guard let strongSelf = self, let controller = strongSelf.controller, let collectionId = groupId.base as? ItemCollectionId else {
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return
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}
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let context = controller.context
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if isPremiumLocked {
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// let controller = PremiumIntroScreen(context: context, source: .stickers)
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// controllerInteraction.navigationController()?.pushViewController(controller)
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return
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}
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let viewKey = PostboxViewKey.orderedItemList(id: Namespaces.OrderedItemList.CloudFeaturedStickerPacks)
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let _ = (context.account.postbox.combinedView(keys: [viewKey])
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|> take(1)
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|> deliverOnMainQueue).start(next: { views in
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guard let view = views.views[viewKey] as? OrderedItemListView else {
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return
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}
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for featuredStickerPack in view.items.lazy.map({ $0.contents.get(FeaturedStickerPackItem.self)! }) {
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if featuredStickerPack.info.id == collectionId {
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let _ = (context.engine.stickers.loadedStickerPack(reference: .id(id: featuredStickerPack.info.id.id, accessHash: featuredStickerPack.info.accessHash), forceActualized: false)
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|> mapToSignal { result -> Signal<Void, NoError> in
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switch result {
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case let .result(info, items, installed):
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if installed {
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return .complete()
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} else {
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return context.engine.stickers.addStickerPackInteractively(info: info, items: items)
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}
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case .fetching:
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break
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case .none:
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break
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}
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return .complete()
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}
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|> deliverOnMainQueue).start(completed: {
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})
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break
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}
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}
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})
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},
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clearGroup: { [weak self] groupId in
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guard let strongSelf = self, let controller = strongSelf.controller else {
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return
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}
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if groupId == AnyHashable("popular") {
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let presentationData = controller.context.sharedContext.currentPresentationData.with { $0 }
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let actionSheet = ActionSheetController(theme: ActionSheetControllerTheme(presentationTheme: presentationData.theme, fontSize: presentationData.listsFontSize))
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var items: [ActionSheetItem] = []
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let context = controller.context
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items.append(ActionSheetTextItem(title: presentationData.strings.Chat_ClearReactionsAlertText, parseMarkdown: true))
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items.append(ActionSheetButtonItem(title: presentationData.strings.Chat_ClearReactionsAlertAction, color: .destructive, action: { [weak actionSheet] in
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actionSheet?.dismissAnimated()
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guard let strongSelf = self else {
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return
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}
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strongSelf.scheduledEmojiContentAnimationHint = EmojiPagerContentComponent.ContentAnimation(type: .groupRemoved(id: "popular"))
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let _ = context.engine.stickers.clearRecentlyUsedReactions().start()
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}))
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actionSheet.setItemGroups([ActionSheetItemGroup(items: items), ActionSheetItemGroup(items: [
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ActionSheetButtonItem(title: presentationData.strings.Common_Cancel, color: .accent, font: .bold, action: { [weak actionSheet] in
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actionSheet?.dismissAnimated()
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})
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])])
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context.sharedContext.mainWindow?.presentInGlobalOverlay(actionSheet)
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}
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},
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pushController: { c in },
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presentController: { c in },
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presentGlobalOverlayController: { c in },
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navigationController: { [weak self] in
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return self?.controller?.navigationController as? NavigationController
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},
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requestUpdate: { _ in },
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updateSearchQuery: { _, _ in },
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chatPeerId: nil,
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peekBehavior: nil,
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customLayout: nil,
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externalBackground: nil,
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externalExpansionView: nil,
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useOpaqueTheme: false
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)
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if let (layout, navigationHeight) = self.currentLayout {
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self.containerLayoutUpdated(layout: layout, navigationHeight: navigationHeight, transition: .immediate)
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}
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}
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override func didLoad() {
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super.didLoad()
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let panRecognizer = UIPanGestureRecognizer(target: self, action: #selector(self.panGesture(_:)))
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panRecognizer.delegate = self
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panRecognizer.delaysTouchesBegan = false
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panRecognizer.cancelsTouchesInView = true
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self.panGestureRecognizer = panRecognizer
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self.wrappingView.addGestureRecognizer(panRecognizer)
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self.dim.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.dimTapGesture(_:))))
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self.controller?.navigationBar?.updateBackgroundAlpha(0.0, transition: .immediate)
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}
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@objc func dimTapGesture(_ recognizer: UITapGestureRecognizer) {
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if case .ended = recognizer.state {
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self.controller?.completion(nil)
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self.controller?.dismiss(animated: true)
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}
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}
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override func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
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if let (layout, _) = self.currentLayout {
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if case .regular = layout.metrics.widthClass {
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return false
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}
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}
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return true
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}
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func scrollViewDidScroll(_ scrollView: UIScrollView) {
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let contentOffset = self.scrollView.contentOffset.y
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self.controller?.navigationBar?.updateBackgroundAlpha(min(30.0, contentOffset) / 30.0, transition: .immediate)
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}
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func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
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if gestureRecognizer is UIPanGestureRecognizer && otherGestureRecognizer is UIPanGestureRecognizer {
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return true
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}
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return false
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}
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private var isDismissing = false
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func animateIn() {
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ContainedViewLayoutTransition.animated(duration: 0.3, curve: .linear).updateAlpha(node: self.dim, alpha: 1.0)
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let targetPosition = self.containerView.center
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let startPosition = targetPosition.offsetBy(dx: 0.0, dy: self.bounds.height)
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self.containerView.center = startPosition
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let transition = ContainedViewLayoutTransition.animated(duration: 0.4, curve: .spring)
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transition.animateView(allowUserInteraction: true, {
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self.containerView.center = targetPosition
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}, completion: { _ in
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})
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}
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func animateOut(completion: @escaping () -> Void = {}) {
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self.isDismissing = true
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let positionTransition: ContainedViewLayoutTransition = .animated(duration: 0.25, curve: .easeInOut)
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positionTransition.updatePosition(layer: self.containerView.layer, position: CGPoint(x: self.containerView.center.x, y: self.bounds.height + self.containerView.bounds.height / 2.0), completion: { [weak self] _ in
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self?.controller?.dismiss(animated: false, completion: completion)
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})
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let alphaTransition: ContainedViewLayoutTransition = .animated(duration: 0.25, curve: .easeInOut)
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alphaTransition.updateAlpha(node: self.dim, alpha: 0.0)
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if !self.temporaryDismiss {
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self.controller?.updateModalStyleOverlayTransitionFactor(0.0, transition: positionTransition)
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}
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}
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func containerLayoutUpdated(layout: ContainerViewLayout, navigationHeight: CGFloat, transition: Transition) {
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self.currentLayout = (layout, navigationHeight)
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self.dim.frame = CGRect(origin: CGPoint(x: 0.0, y: -layout.size.height), size: CGSize(width: layout.size.width, height: layout.size.height * 3.0))
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var effectiveExpanded = self.isExpanded
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if case .regular = layout.metrics.widthClass {
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effectiveExpanded = true
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}
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let isLandscape = layout.orientation == .landscape
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let edgeTopInset = isLandscape ? 0.0 : self.defaultTopInset
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let topInset: CGFloat
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if let (panInitialTopInset, panOffset, _, _) = self.panGestureArguments {
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if effectiveExpanded {
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topInset = min(edgeTopInset, panInitialTopInset + max(0.0, panOffset))
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} else {
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topInset = max(0.0, panInitialTopInset + min(0.0, panOffset))
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}
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} else {
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topInset = effectiveExpanded ? 0.0 : edgeTopInset
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}
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transition.setFrame(view: self.wrappingView, frame: CGRect(origin: CGPoint(x: 0.0, y: topInset), size: layout.size), completion: nil)
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let modalProgress = isLandscape ? 0.0 : (1.0 - topInset / self.defaultTopInset)
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self.controller?.updateModalStyleOverlayTransitionFactor(modalProgress, transition: transition.containedViewLayoutTransition)
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let clipFrame: CGRect
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if layout.metrics.widthClass == .compact {
|
|
self.dim.backgroundColor = UIColor(rgb: 0x000000, alpha: 0.25)
|
|
if isLandscape {
|
|
self.containerView.layer.cornerRadius = 0.0
|
|
} else {
|
|
self.containerView.layer.cornerRadius = 10.0
|
|
}
|
|
|
|
if #available(iOS 11.0, *) {
|
|
if layout.safeInsets.bottom.isZero {
|
|
self.containerView.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
|
|
} else {
|
|
self.containerView.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner, .layerMinXMaxYCorner, .layerMaxXMaxYCorner]
|
|
}
|
|
}
|
|
|
|
if isLandscape {
|
|
clipFrame = CGRect(origin: CGPoint(), size: layout.size)
|
|
} else {
|
|
let coveredByModalTransition: CGFloat = 0.0
|
|
var containerTopInset: CGFloat = 10.0
|
|
if let statusBarHeight = layout.statusBarHeight {
|
|
containerTopInset += statusBarHeight
|
|
}
|
|
|
|
let unscaledFrame = CGRect(origin: CGPoint(x: 0.0, y: containerTopInset - coveredByModalTransition * 10.0), size: CGSize(width: layout.size.width, height: layout.size.height - containerTopInset))
|
|
let maxScale: CGFloat = (layout.size.width - 16.0 * 2.0) / layout.size.width
|
|
let containerScale = 1.0 * (1.0 - coveredByModalTransition) + maxScale * coveredByModalTransition
|
|
let maxScaledTopInset: CGFloat = containerTopInset - 10.0
|
|
let scaledTopInset: CGFloat = containerTopInset * (1.0 - coveredByModalTransition) + maxScaledTopInset * coveredByModalTransition
|
|
let containerFrame = unscaledFrame.offsetBy(dx: 0.0, dy: scaledTopInset - (unscaledFrame.midY - containerScale * unscaledFrame.height / 2.0))
|
|
|
|
clipFrame = CGRect(x: containerFrame.minX, y: containerFrame.minY, width: containerFrame.width, height: containerFrame.height)
|
|
}
|
|
} else {
|
|
self.dim.backgroundColor = UIColor(rgb: 0x000000, alpha: 0.4)
|
|
self.containerView.layer.cornerRadius = 10.0
|
|
|
|
let verticalInset: CGFloat = 44.0
|
|
|
|
let maxSide = max(layout.size.width, layout.size.height)
|
|
let minSide = min(layout.size.width, layout.size.height)
|
|
let containerSize = CGSize(width: min(layout.size.width - 20.0, floor(maxSide / 2.0)), height: min(layout.size.height, minSide) - verticalInset * 2.0)
|
|
clipFrame = CGRect(origin: CGPoint(x: floor((layout.size.width - containerSize.width) / 2.0), y: floor((layout.size.height - containerSize.height) / 2.0)), size: containerSize)
|
|
}
|
|
|
|
transition.setFrame(view: self.containerView, frame: clipFrame)
|
|
transition.setFrame(view: self.scrollView, frame: CGRect(origin: CGPoint(), size: clipFrame.size), completion: nil)
|
|
|
|
if let stickerContent = self.stickerContent {
|
|
var stickersTransition: Transition = transition
|
|
if let scheduledEmojiContentAnimationHint = self.scheduledEmojiContentAnimationHint {
|
|
self.scheduledEmojiContentAnimationHint = nil
|
|
let contentAnimation = scheduledEmojiContentAnimationHint
|
|
stickersTransition = Transition(animation: .curve(duration: 0.4, curve: .spring)).withUserData(contentAnimation)
|
|
}
|
|
|
|
var contentSize = self.hostView.update(
|
|
transition: stickersTransition,
|
|
component: AnyComponent(
|
|
StickerSelectionComponent(
|
|
theme: self.theme,
|
|
strings: self.presentationData.strings,
|
|
deviceMetrics: layout.deviceMetrics,
|
|
stickerContent: stickerContent,
|
|
backgroundColor: self.theme.list.itemBlocksBackgroundColor,
|
|
separatorColor: self.theme.list.blocksBackgroundColor
|
|
)
|
|
),
|
|
environment: {},
|
|
forceUpdate: true,
|
|
containerSize: CGSize(width: clipFrame.size.width, height: clipFrame.height)
|
|
)
|
|
contentSize.height = max(layout.size.height - navigationHeight, contentSize.height)
|
|
transition.setFrame(view: self.hostView, frame: CGRect(origin: CGPoint(), size: contentSize), completion: nil)
|
|
self.scrollView.contentSize = contentSize
|
|
}
|
|
}
|
|
|
|
private var didPlayAppearAnimation = false
|
|
func updateIsVisible(isVisible: Bool) {
|
|
if self.currentIsVisible == isVisible {
|
|
return
|
|
}
|
|
self.currentIsVisible = isVisible
|
|
|
|
guard let currentLayout = self.currentLayout else {
|
|
return
|
|
}
|
|
self.containerLayoutUpdated(layout: currentLayout.layout, navigationHeight: currentLayout.navigationHeight, transition: .immediate)
|
|
|
|
if !self.didPlayAppearAnimation {
|
|
self.didPlayAppearAnimation = true
|
|
self.animateIn()
|
|
}
|
|
}
|
|
|
|
private var defaultTopInset: CGFloat {
|
|
guard let (layout, _) = self.currentLayout else{
|
|
return 210.0
|
|
}
|
|
if case .compact = layout.metrics.widthClass {
|
|
var factor: CGFloat = 0.2488
|
|
if layout.size.width <= 320.0 {
|
|
factor = 0.15
|
|
}
|
|
return floor(max(layout.size.width, layout.size.height) * factor)
|
|
} else {
|
|
return 210.0
|
|
}
|
|
}
|
|
|
|
private func findScrollView(view: UIView?) -> (UIScrollView, ListView?)? {
|
|
if let view = view {
|
|
if let view = view as? UIScrollView, view.contentSize.width < view.contentSize.height {
|
|
return (view, nil)
|
|
}
|
|
if let node = view.asyncdisplaykit_node as? ListView {
|
|
return (node.scroller, node)
|
|
}
|
|
return findScrollView(view: view.superview)
|
|
} else {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
@objc func panGesture(_ recognizer: UIPanGestureRecognizer) {
|
|
guard let (layout, navigationHeight) = self.currentLayout else {
|
|
return
|
|
}
|
|
|
|
let isLandscape = layout.orientation == .landscape
|
|
let edgeTopInset = isLandscape ? 0.0 : defaultTopInset
|
|
|
|
switch recognizer.state {
|
|
case .began:
|
|
let point = recognizer.location(in: self.view)
|
|
let currentHitView = self.hitTest(point, with: nil)
|
|
|
|
var scrollViewAndListNode = self.findScrollView(view: currentHitView)
|
|
if scrollViewAndListNode?.0.frame.height == self.frame.width {
|
|
scrollViewAndListNode = nil
|
|
}
|
|
let scrollView = scrollViewAndListNode?.0
|
|
let listNode = scrollViewAndListNode?.1
|
|
|
|
let topInset: CGFloat
|
|
if self.isExpanded {
|
|
topInset = 0.0
|
|
} else {
|
|
topInset = edgeTopInset
|
|
}
|
|
|
|
self.panGestureArguments = (topInset, 0.0, scrollView, listNode)
|
|
case .changed:
|
|
guard let (topInset, panOffset, scrollView, listNode) = self.panGestureArguments else {
|
|
return
|
|
}
|
|
let visibleContentOffset = listNode?.visibleContentOffset()
|
|
let contentOffset = scrollView?.contentOffset.y ?? 0.0
|
|
|
|
var translation = recognizer.translation(in: self.view).y
|
|
|
|
var currentOffset = topInset + translation
|
|
|
|
let epsilon = 1.0
|
|
if case let .known(value) = visibleContentOffset, value <= epsilon {
|
|
if let scrollView = scrollView {
|
|
scrollView.bounces = false
|
|
scrollView.setContentOffset(CGPoint(x: 0.0, y: 0.0), animated: false)
|
|
}
|
|
} else if let scrollView = scrollView, contentOffset <= -scrollView.contentInset.top + epsilon {
|
|
scrollView.bounces = false
|
|
scrollView.setContentOffset(CGPoint(x: 0.0, y: -scrollView.contentInset.top), animated: false)
|
|
} else if let scrollView = scrollView {
|
|
translation = panOffset
|
|
currentOffset = topInset + translation
|
|
if self.isExpanded {
|
|
recognizer.setTranslation(CGPoint(), in: self.view)
|
|
} else if currentOffset > 0.0 {
|
|
scrollView.setContentOffset(CGPoint(x: 0.0, y: -scrollView.contentInset.top), animated: false)
|
|
}
|
|
}
|
|
|
|
self.panGestureArguments = (topInset, translation, scrollView, listNode)
|
|
|
|
if !self.isExpanded {
|
|
if currentOffset > 0.0, let scrollView = scrollView {
|
|
scrollView.panGestureRecognizer.setTranslation(CGPoint(), in: scrollView)
|
|
}
|
|
}
|
|
|
|
var bounds = self.bounds
|
|
if self.isExpanded {
|
|
bounds.origin.y = -max(0.0, translation - edgeTopInset)
|
|
} else {
|
|
bounds.origin.y = -translation
|
|
}
|
|
bounds.origin.y = min(0.0, bounds.origin.y)
|
|
self.bounds = bounds
|
|
|
|
self.containerLayoutUpdated(layout: layout, navigationHeight: navigationHeight, transition: .immediate)
|
|
case .ended:
|
|
guard let (currentTopInset, panOffset, scrollView, listNode) = self.panGestureArguments else {
|
|
return
|
|
}
|
|
self.panGestureArguments = nil
|
|
|
|
let visibleContentOffset = listNode?.visibleContentOffset()
|
|
let contentOffset = scrollView?.contentOffset.y ?? 0.0
|
|
|
|
let translation = recognizer.translation(in: self.view).y
|
|
var velocity = recognizer.velocity(in: self.view)
|
|
|
|
if self.isExpanded {
|
|
if case let .known(value) = visibleContentOffset, value > 0.1 {
|
|
velocity = CGPoint()
|
|
} else if case .unknown = visibleContentOffset {
|
|
velocity = CGPoint()
|
|
} else if contentOffset > 0.1 {
|
|
velocity = CGPoint()
|
|
}
|
|
}
|
|
|
|
var bounds = self.bounds
|
|
if self.isExpanded {
|
|
bounds.origin.y = -max(0.0, translation - edgeTopInset)
|
|
} else {
|
|
bounds.origin.y = -translation
|
|
}
|
|
bounds.origin.y = min(0.0, bounds.origin.y)
|
|
|
|
scrollView?.bounces = true
|
|
|
|
let offset = currentTopInset + panOffset
|
|
let topInset: CGFloat = edgeTopInset
|
|
|
|
var dismissing = false
|
|
if bounds.minY < -60 || (bounds.minY < 0.0 && velocity.y > 300.0) || (self.isExpanded && bounds.minY.isZero && velocity.y > 1800.0) {
|
|
self.controller?.dismiss(animated: true, completion: nil)
|
|
dismissing = true
|
|
} else if self.isExpanded {
|
|
if velocity.y > 300.0 || offset > topInset / 2.0 {
|
|
self.isExpanded = false
|
|
if let listNode = listNode {
|
|
listNode.scroller.setContentOffset(CGPoint(), animated: false)
|
|
} else if let scrollView = scrollView {
|
|
scrollView.setContentOffset(CGPoint(x: 0.0, y: -scrollView.contentInset.top), animated: false)
|
|
}
|
|
|
|
let distance = topInset - offset
|
|
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))
|
|
|
|
self.containerLayoutUpdated(layout: layout, navigationHeight: navigationHeight, transition: Transition(transition))
|
|
} else {
|
|
self.isExpanded = true
|
|
|
|
self.containerLayoutUpdated(layout: layout, navigationHeight: navigationHeight, transition: Transition(.animated(duration: 0.3, curve: .easeInOut)))
|
|
}
|
|
} else if (velocity.y < -300.0 || offset < topInset / 2.0) {
|
|
if velocity.y > -2200.0 && velocity.y < -300.0, let listNode = listNode {
|
|
DispatchQueue.main.async {
|
|
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))
|
|
self.isExpanded = true
|
|
|
|
self.containerLayoutUpdated(layout: layout, navigationHeight: navigationHeight, transition: Transition(transition))
|
|
} else {
|
|
if let listNode = listNode {
|
|
listNode.scroller.setContentOffset(CGPoint(), animated: false)
|
|
} else if let scrollView = scrollView {
|
|
scrollView.setContentOffset(CGPoint(x: 0.0, y: -scrollView.contentInset.top), animated: false)
|
|
}
|
|
|
|
self.containerLayoutUpdated(layout: layout, navigationHeight: navigationHeight, transition: Transition(.animated(duration: 0.3, curve: .easeInOut)))
|
|
}
|
|
|
|
if !dismissing {
|
|
var bounds = self.bounds
|
|
let previousBounds = bounds
|
|
bounds.origin.y = 0.0
|
|
self.bounds = bounds
|
|
self.layer.animateBounds(from: previousBounds, to: self.bounds, duration: 0.3, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue)
|
|
}
|
|
case .cancelled:
|
|
self.panGestureArguments = nil
|
|
|
|
self.containerLayoutUpdated(layout: layout, navigationHeight: navigationHeight, transition: Transition(.animated(duration: 0.3, curve: .easeInOut)))
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
|
|
func update(isExpanded: Bool, transition: ContainedViewLayoutTransition) {
|
|
guard isExpanded != self.isExpanded else {
|
|
return
|
|
}
|
|
self.isExpanded = isExpanded
|
|
|
|
guard let (layout, navigationHeight) = self.currentLayout else {
|
|
return
|
|
}
|
|
self.containerLayoutUpdated(layout: layout, navigationHeight: navigationHeight, transition: Transition(transition))
|
|
}
|
|
}
|
|
|
|
var node: Node {
|
|
return self.displayNode as! Node
|
|
}
|
|
|
|
private let context: AccountContext
|
|
private let theme: PresentationTheme
|
|
|
|
private var currentLayout: ContainerViewLayout?
|
|
|
|
public var pushController: (ViewController) -> Void = { _ in }
|
|
public var presentController: (ViewController) -> Void = { _ in }
|
|
|
|
var completion: (TelegramMediaFile?) -> Void = { _ in }
|
|
|
|
public init(context: AccountContext) {
|
|
self.context = context
|
|
self.theme = defaultDarkColorPresentationTheme
|
|
|
|
super.init(navigationBarPresentationData: nil)
|
|
|
|
self.supportedOrientations = ViewControllerSupportedOrientations(regularSize: .all, compactSize: .portrait)
|
|
self.statusBar.statusBarStyle = .Ignore
|
|
}
|
|
|
|
required public init(coder aDecoder: NSCoder) {
|
|
fatalError("init(coder:) has not been implemented")
|
|
}
|
|
|
|
@objc private func cancelPressed() {
|
|
self.dismiss(animated: true, completion: nil)
|
|
}
|
|
|
|
override open func loadDisplayNode() {
|
|
self.displayNode = Node(context: self.context, controller: self, theme: self.theme)
|
|
self.displayNodeDidLoad()
|
|
}
|
|
|
|
public override func dismiss(animated flag: Bool, completion: (() -> Void)? = nil) {
|
|
self.view.endEditing(true)
|
|
if flag {
|
|
self.node.animateOut(completion: {
|
|
super.dismiss(animated: false, completion: {})
|
|
completion?()
|
|
})
|
|
} else {
|
|
super.dismiss(animated: false, completion: {})
|
|
completion?()
|
|
}
|
|
}
|
|
|
|
override open func viewDidAppear(_ animated: Bool) {
|
|
super.viewDidAppear(animated)
|
|
|
|
self.node.updateIsVisible(isVisible: true)
|
|
}
|
|
|
|
override open func viewDidDisappear(_ animated: Bool) {
|
|
super.viewDidDisappear(animated)
|
|
|
|
self.node.updateIsVisible(isVisible: false)
|
|
}
|
|
|
|
override open func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
|
|
self.currentLayout = layout
|
|
super.containerLayoutUpdated(layout, transition: transition)
|
|
|
|
let navigationHeight: CGFloat = 56.0
|
|
|
|
self.node.containerLayoutUpdated(layout: layout, navigationHeight: navigationHeight, transition: Transition(transition))
|
|
}
|
|
}
|