mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
1128 lines
57 KiB
Swift
1128 lines
57 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 AnimationCache
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import MultiAnimationRenderer
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import EntityKeyboard
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import ComponentDisplayAdapters
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import TelegramPresentationData
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import AccountContext
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import PagerComponent
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import Postbox
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import TelegramCore
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import Lottie
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import EmojiTextAttachmentView
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import TextFormat
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import AppBundle
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import GZip
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import EmojiStatusComponent
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private func randomGenericReactionEffect(context: AccountContext) -> Signal<String?, NoError> {
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return context.engine.stickers.loadedStickerPack(reference: .emojiGenericAnimations, forceActualized: false)
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|> map { result -> [TelegramMediaFile]? in
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switch result {
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case let .result(_, items, _):
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return items.map(\.file)
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default:
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return nil
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}
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}
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|> take(1)
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|> mapToSignal { items -> Signal<String?, NoError> in
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guard let items = items else {
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return .single(nil)
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}
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guard let file = items.randomElement() else {
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return .single(nil)
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}
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return Signal { subscriber in
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let fetchDisposable = freeMediaFileInteractiveFetched(account: context.account, fileReference: .standalone(media: file)).start()
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let dataDisposable = (context.account.postbox.mediaBox.resourceData(file.resource)
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|> filter(\.complete)
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|> take(1)).start(next: { data in
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subscriber.putNext(data.path)
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subscriber.putCompletion()
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})
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return ActionDisposable {
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fetchDisposable.dispose()
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dataDisposable.dispose()
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}
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}
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}
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}
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public final class EmojiStatusSelectionComponent: 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 emojiContent: EmojiPagerContentComponent
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public let backgroundColor: UIColor
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public let separatorColor: UIColor
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public let hideTopPanel: Bool
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public let hideTopPanelUpdated: (Bool, Transition) -> Void
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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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emojiContent: EmojiPagerContentComponent,
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backgroundColor: UIColor,
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separatorColor: UIColor,
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hideTopPanel: Bool,
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hideTopPanelUpdated: @escaping (Bool, Transition) -> Void
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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.emojiContent = emojiContent
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self.backgroundColor = backgroundColor
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self.separatorColor = separatorColor
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self.hideTopPanel = hideTopPanel
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self.hideTopPanelUpdated = hideTopPanelUpdated
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}
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public static func ==(lhs: EmojiStatusSelectionComponent, rhs: EmojiStatusSelectionComponent) -> 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.emojiContent != rhs.emojiContent {
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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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if lhs.hideTopPanel != rhs.hideTopPanel {
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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: EmojiStatusSelectionComponent?
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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: EmojiStatusSelectionComponent, 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 = component.hideTopPanel ? 0.0 : 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: component.emojiContent,
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stickerContent: nil,
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gifContent: nil,
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hasRecentGifs: false,
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availableGifSearchEmojies: [],
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defaultToEmojiTab: true,
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externalTopPanelContainer: self.panelHostView,
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topPanelExtensionUpdated: { _, _ in },
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hideInputUpdated: { _, _, _ in },
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hideTopPanelUpdated: { [weak self] hideTopPanel, transition in
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guard let strongSelf = self else {
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return
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}
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strongSelf.component?.hideTopPanelUpdated(hideTopPanel, transition)
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},
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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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displayBottomPanel: false,
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isExpanded: false
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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: component.hideTopPanel ? -UIScreenPixel : topPanelHeight), size: CGSize(width: keyboardSize.width, height: UIScreenPixel)))
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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 final class EmojiStatusSelectionController: ViewController {
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private final class Node: ViewControllerTracingNode {
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private weak var controller: EmojiStatusSelectionController?
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private let context: AccountContext
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private weak var sourceView: UIView?
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private var globalSourceRect: CGRect?
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private let componentHost: ComponentView<Empty>
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private let componentShadowLayer: SimpleLayer
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private let cloudLayer0: SimpleLayer
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private let cloudShadowLayer0: SimpleLayer
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private let cloudLayer1: SimpleLayer
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private let cloudShadowLayer1: SimpleLayer
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private var presentationData: PresentationData
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private var validLayout: ContainerViewLayout?
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private let currentSelection: Int64?
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private var emojiContentDisposable: Disposable?
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private var emojiContent: EmojiPagerContentComponent?
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private var freezeUpdates: Bool = false
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private var scheduledEmojiContentAnimationHint: EmojiPagerContentComponent.ContentAnimation?
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private var previewItem: (groupId: AnyHashable, item: EmojiPagerContentComponent.Item)?
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private var dismissedPreviewItem: (groupId: AnyHashable, item: EmojiPagerContentComponent.Item)?
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private var previewScreenView: ComponentView<Empty>?
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private var availableReactions: AvailableReactions?
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private var availableReactionsDisposable: Disposable?
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private var genericReactionEffectDisposable: Disposable?
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private var genericReactionEffect: String?
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private var hapticFeedback: HapticFeedback?
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private var isAnimatingOut: Bool = false
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private var isDismissed: Bool = false
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init(controller: EmojiStatusSelectionController, context: AccountContext, sourceView: UIView?, emojiContent: Signal<EmojiPagerContentComponent, NoError>, currentSelection: Int64?) {
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self.controller = controller
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self.context = context
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self.currentSelection = currentSelection
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if let sourceView = sourceView {
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self.globalSourceRect = sourceView.convert(sourceView.bounds, to: nil)
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}
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self.presentationData = self.context.sharedContext.currentPresentationData.with { $0 }
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self.componentHost = ComponentView<Empty>()
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self.componentShadowLayer = SimpleLayer()
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self.componentShadowLayer.shadowOpacity = 0.12
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self.componentShadowLayer.shadowColor = UIColor(white: 0.0, alpha: 1.0).cgColor
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self.componentShadowLayer.shadowOffset = CGSize(width: 0.0, height: 2.0)
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self.componentShadowLayer.shadowRadius = 16.0
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self.cloudLayer0 = SimpleLayer()
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self.cloudShadowLayer0 = SimpleLayer()
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self.cloudShadowLayer0.shadowOpacity = 0.12
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self.cloudShadowLayer0.shadowColor = UIColor(white: 0.0, alpha: 1.0).cgColor
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self.cloudShadowLayer0.shadowOffset = CGSize(width: 0.0, height: 2.0)
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self.cloudShadowLayer0.shadowRadius = 16.0
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self.cloudLayer1 = SimpleLayer()
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self.cloudShadowLayer1 = SimpleLayer()
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self.cloudShadowLayer1.shadowOpacity = 0.12
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self.cloudShadowLayer1.shadowColor = UIColor(white: 0.0, alpha: 1.0).cgColor
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self.cloudShadowLayer1.shadowOffset = CGSize(width: 0.0, height: 2.0)
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self.cloudShadowLayer1.shadowRadius = 16.0
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super.init()
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self.layer.addSublayer(self.componentShadowLayer)
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self.layer.addSublayer(self.cloudShadowLayer0)
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self.layer.addSublayer(self.cloudShadowLayer1)
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self.layer.addSublayer(self.cloudLayer0)
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self.layer.addSublayer(self.cloudLayer1)
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self.emojiContentDisposable = (emojiContent
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|> deliverOnMainQueue).start(next: { [weak self] emojiContent in
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guard let strongSelf = self else {
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return
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}
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strongSelf.controller?._ready.set(.single(true))
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if strongSelf.emojiContent == nil || !strongSelf.freezeUpdates {
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strongSelf.emojiContent = emojiContent
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}
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emojiContent.inputInteractionHolder.inputInteraction = EmojiPagerContentComponent.InputInteraction(
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performItemAction: { groupId, item, _, _, _, isPreview in
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guard let strongSelf = self else {
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return
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}
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strongSelf.applyItem(groupId: groupId, item: item, isPreview: isPreview)
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},
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deleteBackwards: {
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},
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openStickerSettings: {
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},
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openFeatured: {
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},
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addGroupAction: { groupId, isPremiumLocked in
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guard let strongSelf = self, let collectionId = groupId.base as? ItemCollectionId else {
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return
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}
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let viewKey = PostboxViewKey.orderedItemList(id: Namespaces.OrderedItemList.CloudFeaturedEmojiPacks)
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let _ = (strongSelf.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 strongSelf = self, let view = views.views[viewKey] as? OrderedItemListView else {
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return
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}
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for featuredEmojiPack in view.items.lazy.map({ $0.contents.get(FeaturedStickerPackItem.self)! }) {
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if featuredEmojiPack.info.id == collectionId {
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if let strongSelf = self {
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strongSelf.scheduledEmojiContentAnimationHint = EmojiPagerContentComponent.ContentAnimation(type: .groupInstalled(id: collectionId))
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}
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let _ = strongSelf.context.engine.stickers.addStickerPackInteractively(info: featuredEmojiPack.info, items: featuredEmojiPack.topItems).start()
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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: { groupId in
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},
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pushController: { c in
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},
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presentController: { c in
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},
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presentGlobalOverlayController: { c in
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},
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navigationController: {
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return nil
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},
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requestUpdate: { _ in
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},
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updateSearchQuery: { _ in
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},
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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: true
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)
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strongSelf.refreshLayout(transition: .immediate)
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})
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self.availableReactionsDisposable = (context.engine.stickers.availableReactions()
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|> take(1)
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|> deliverOnMainQueue).start(next: { [weak self] availableReactions in
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guard let strongSelf = self else {
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return
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}
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strongSelf.availableReactions = availableReactions
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})
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self.genericReactionEffectDisposable = (randomGenericReactionEffect(context: context)
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|> deliverOnMainQueue).start(next: { [weak self] path in
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self?.genericReactionEffect = path
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})
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}
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deinit {
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self.emojiContentDisposable?.dispose()
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self.availableReactionsDisposable?.dispose()
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self.genericReactionEffectDisposable?.dispose()
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}
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private func refreshLayout(transition: Transition) {
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guard let layout = self.validLayout else {
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return
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}
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self.containerLayoutUpdated(layout: layout, transition: transition)
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}
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func animateOut(completion: @escaping () -> Void, fromBackground: Bool) {
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if self.isAnimatingOut {
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return
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}
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self.isAnimatingOut = true
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let duration: Double = fromBackground ? 0.1 : 0.25
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self.componentShadowLayer.animateAlpha(from: 1.0, to: 0.0, duration: duration, removeOnCompletion: false)
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self.componentHost.view?.layer.animateAlpha(from: 1.0, to: 0.0, duration: duration, removeOnCompletion: false, completion: { _ in
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completion()
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})
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self.cloudLayer0.animateAlpha(from: 1.0, to: 0.0, duration: duration, removeOnCompletion: false)
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self.cloudShadowLayer0.animateAlpha(from: 1.0, to: 0.0, duration: duration, removeOnCompletion: false)
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self.cloudLayer1.animateAlpha(from: 1.0, to: 0.0, duration: duration, removeOnCompletion: false)
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self.cloudShadowLayer1.animateAlpha(from: 1.0, to: 0.0, duration: duration, removeOnCompletion: false)
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}
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func animateOutToStatus(item: EmojiPagerContentComponent.Item, sourceLayer: CALayer, customEffectFile: String?, destinationView: UIView, fromBackground: Bool) {
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self.isUserInteractionEnabled = false
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destinationView.isHidden = true
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let hapticFeedback: HapticFeedback
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if let current = self.hapticFeedback {
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hapticFeedback = current
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} else {
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hapticFeedback = HapticFeedback()
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self.hapticFeedback = hapticFeedback
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}
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hapticFeedback.prepareTap()
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var itemCompleted = false
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var contentCompleted = false
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var effectCompleted = false
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let completion: () -> Void = { [weak self] in
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guard let strongSelf = self, itemCompleted, contentCompleted, effectCompleted else {
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return
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}
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strongSelf.controller?.dismissNow()
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}
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|
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var effectView: AnimationView?
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if let customEffectFile = customEffectFile, let data = try? Data(contentsOf: URL(fileURLWithPath: customEffectFile)), let composition = try? Animation.from(data: TGGUnzipData(data, 2 * 1024 * 1024) ?? data) {
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let view = AnimationView(animation: composition, configuration: LottieConfiguration(renderingEngine: .mainThread, decodingStrategy: .codable))
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view.animationSpeed = 1.0
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view.backgroundColor = nil
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view.isOpaque = false
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effectView = view
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} else if let itemFile = item.itemFile {
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var useCleanEffect = false
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for attribute in itemFile.attributes {
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if case let .CustomEmoji(_, _, packReference) = attribute {
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switch packReference {
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case let .id(id, _):
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if id == 773947703670341676 || id == 2964141614563343 {
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useCleanEffect = true
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}
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default:
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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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var effectData: Data?
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if useCleanEffect {
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if let url = getAppBundle().url(forResource: "generic_reaction_avatar_effect", withExtension: "json") {
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effectData = try? Data(contentsOf: url)
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}
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} else if let genericReactionEffect = self.genericReactionEffect, let data = try? Data(contentsOf: URL(fileURLWithPath: genericReactionEffect)) {
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effectData = TGGUnzipData(data, 5 * 1024 * 1024) ?? data
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} else {
|
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if let url = getAppBundle().url(forResource: "generic_reaction_small_effect", withExtension: "json") {
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effectData = try? Data(contentsOf: url)
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}
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}
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|
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if let effectData = effectData, let composition = try? Animation.from(data: effectData) {
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let view = AnimationView(animation: composition, configuration: LottieConfiguration(renderingEngine: .mainThread, decodingStrategy: .codable))
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view.animationSpeed = 1.0
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view.backgroundColor = nil
|
|
view.isOpaque = false
|
|
|
|
let animationCache = self.context.animationCache
|
|
let animationRenderer = self.context.animationRenderer
|
|
|
|
for i in 1 ... 7 {
|
|
let allLayers = view.allLayers(forKeypath: AnimationKeypath(keypath: "placeholder_\(i)"))
|
|
for animationLayer in allLayers {
|
|
let baseItemLayer = InlineStickerItemLayer(
|
|
context: self.context,
|
|
attemptSynchronousLoad: false,
|
|
emoji: ChatTextInputTextCustomEmojiAttribute(interactivelySelectedFromPackId: nil, fileId: itemFile.fileId.id, file: itemFile),
|
|
file: item.itemFile,
|
|
cache: animationCache,
|
|
renderer: animationRenderer,
|
|
placeholderColor: UIColor(white: 0.0, alpha: 0.0),
|
|
pointSize: CGSize(width: 32.0, height: 32.0)
|
|
)
|
|
if item.accentTint {
|
|
baseItemLayer.contentTintColor = self.presentationData.theme.list.itemAccentColor
|
|
}
|
|
|
|
if let sublayers = animationLayer.sublayers {
|
|
for sublayer in sublayers {
|
|
sublayer.isHidden = true
|
|
}
|
|
}
|
|
|
|
baseItemLayer.isVisibleForAnimations = true
|
|
baseItemLayer.frame = CGRect(origin: CGPoint(x: -0.0, y: -0.0), size: CGSize(width: 500.0, height: 500.0))
|
|
animationLayer.addSublayer(baseItemLayer)
|
|
}
|
|
}
|
|
|
|
effectView = view
|
|
}
|
|
}
|
|
|
|
if let sourceCopyLayer = sourceLayer.snapshotContentTree() {
|
|
self.layer.addSublayer(sourceCopyLayer)
|
|
sourceCopyLayer.frame = sourceLayer.convert(sourceLayer.bounds, to: self.layer)
|
|
sourceLayer.isHidden = true
|
|
|
|
let previousSourceCopyFrame = sourceCopyLayer.frame
|
|
|
|
let localDestinationFrame = destinationView.convert(destinationView.bounds, to: self.view)
|
|
let destinationSize = max(localDestinationFrame.width, localDestinationFrame.height)
|
|
let effectFrame = localDestinationFrame.insetBy(dx: -destinationSize * 2.0, dy: -destinationSize * 2.0)
|
|
let destinationNormalScale = localDestinationFrame.width / previousSourceCopyFrame.width
|
|
|
|
let transition: ContainedViewLayoutTransition = .animated(duration: 0.2, curve: .linear)
|
|
sourceCopyLayer.position = localDestinationFrame.center
|
|
|
|
var midPointY: CGFloat = localDestinationFrame.center.y - 30.0
|
|
if let layout = self.validLayout {
|
|
if midPointY < layout.safeInsets.top + 8.0 {
|
|
midPointY = max(localDestinationFrame.center.y, layout.safeInsets.top + 20.0)
|
|
}
|
|
}
|
|
|
|
transition.animatePositionWithKeyframes(layer: sourceCopyLayer, keyframes: generateParabollicMotionKeyframes(from: previousSourceCopyFrame.center, to: localDestinationFrame.center, midPointY: midPointY), completion: { [weak self, weak sourceCopyLayer, weak destinationView] _ in
|
|
guard let strongSelf = self else {
|
|
return
|
|
}
|
|
|
|
itemCompleted = true
|
|
sourceCopyLayer?.isHidden = true
|
|
if let destinationView = destinationView {
|
|
destinationView.isHidden = false
|
|
destinationView.layer.animateScale(from: 0.3, to: 1.0, duration: 0.2, timingFunction: kCAMediaTimingFunctionSpring)
|
|
}
|
|
|
|
hapticFeedback.tap()
|
|
|
|
if let effectView = effectView {
|
|
effectView.frame = effectFrame
|
|
strongSelf.view.addSubview(effectView)
|
|
effectView.play(completion: { _ in
|
|
effectCompleted = true
|
|
completion()
|
|
})
|
|
} else {
|
|
effectCompleted = true
|
|
}
|
|
|
|
completion()
|
|
})
|
|
let scaleKeyframes: [CGFloat] = [
|
|
1.0,
|
|
1.4,
|
|
1.0,
|
|
destinationNormalScale * 0.3
|
|
]
|
|
sourceCopyLayer.transform = CATransform3DMakeScale(scaleKeyframes[scaleKeyframes.count - 1], scaleKeyframes[scaleKeyframes.count - 1], 1.0)
|
|
sourceCopyLayer.animateKeyframes(values: scaleKeyframes.map({ $0 as NSNumber }), duration: 0.2, keyPath: "transform.scale", timingFunction: CAMediaTimingFunctionName.linear.rawValue)
|
|
} else {
|
|
itemCompleted = true
|
|
destinationView.isHidden = false
|
|
}
|
|
|
|
if let previewScreenView = self.previewScreenView {
|
|
self.previewItem = nil
|
|
self.dismissedPreviewItem = nil
|
|
self.previewScreenView = nil
|
|
|
|
if let previewScreenComponentView = previewScreenView.view as? EmojiStatusPreviewScreenComponent.View {
|
|
previewScreenComponentView.animateOut(targetLayer: nil, completion: { [weak previewScreenComponentView] in
|
|
previewScreenComponentView?.removeFromSuperview()
|
|
})
|
|
} else {
|
|
previewScreenView.view?.removeFromSuperview()
|
|
}
|
|
}
|
|
|
|
self.animateOut(completion: {
|
|
contentCompleted = true
|
|
completion()
|
|
}, fromBackground: fromBackground)
|
|
}
|
|
|
|
func containerLayoutUpdated(layout: ContainerViewLayout, transition: Transition) {
|
|
self.validLayout = layout
|
|
|
|
var transition = transition
|
|
|
|
guard let emojiContent = self.emojiContent else {
|
|
return
|
|
}
|
|
|
|
let listBackgroundColor: UIColor
|
|
let separatorColor: UIColor
|
|
if self.presentationData.theme.overallDarkAppearance {
|
|
listBackgroundColor = self.presentationData.theme.list.itemBlocksBackgroundColor
|
|
separatorColor = self.presentationData.theme.list.itemBlocksSeparatorColor
|
|
self.componentShadowLayer.shadowOpacity = 0.32
|
|
self.cloudShadowLayer0.shadowOpacity = 0.32
|
|
self.cloudShadowLayer1.shadowOpacity = 0.32
|
|
} else {
|
|
listBackgroundColor = self.presentationData.theme.list.plainBackgroundColor
|
|
separatorColor = self.presentationData.theme.list.itemPlainSeparatorColor.withMultipliedAlpha(0.5)
|
|
self.componentShadowLayer.shadowOpacity = 0.12
|
|
self.cloudShadowLayer0.shadowOpacity = 0.12
|
|
self.cloudShadowLayer1.shadowOpacity = 0.12
|
|
}
|
|
|
|
self.cloudLayer0.backgroundColor = listBackgroundColor.cgColor
|
|
self.cloudLayer1.backgroundColor = listBackgroundColor.cgColor
|
|
|
|
let sideInset: CGFloat = 16.0
|
|
|
|
if let scheduledEmojiContentAnimationHint = self.scheduledEmojiContentAnimationHint {
|
|
self.scheduledEmojiContentAnimationHint = nil
|
|
let contentAnimation = scheduledEmojiContentAnimationHint
|
|
transition = Transition(animation: .curve(duration: 0.4, curve: .spring)).withUserData(contentAnimation)
|
|
}
|
|
|
|
var componentWidth = layout.size.width - sideInset * 2.0
|
|
let nativeItemSize: CGFloat = 40.0
|
|
let minSpacing: CGFloat = 9.0
|
|
let itemsPerRow = Int((componentWidth + minSpacing) / (nativeItemSize + minSpacing))
|
|
if itemsPerRow > 8 {
|
|
componentWidth = min(componentWidth, 480.0)
|
|
}
|
|
|
|
let componentSize = self.componentHost.update(
|
|
transition: transition,
|
|
component: AnyComponent(EmojiStatusSelectionComponent(
|
|
theme: self.presentationData.theme,
|
|
strings: self.presentationData.strings,
|
|
deviceMetrics: layout.deviceMetrics,
|
|
emojiContent: emojiContent,
|
|
backgroundColor: listBackgroundColor,
|
|
separatorColor: separatorColor,
|
|
hideTopPanel: false,
|
|
hideTopPanelUpdated: { _, _ in }
|
|
)),
|
|
environment: {},
|
|
containerSize: CGSize(width: componentWidth, height: min(308.0, layout.size.height))
|
|
)
|
|
if let componentView = self.componentHost.view {
|
|
var animateIn = false
|
|
if componentView.superview == nil {
|
|
self.view.addSubview(componentView)
|
|
animateIn = true
|
|
|
|
componentView.clipsToBounds = true
|
|
componentView.layer.cornerRadius = 24.0
|
|
}
|
|
|
|
var sourceOrigin: CGPoint
|
|
if let sourceView = self.sourceView {
|
|
let sourceRect = sourceView.convert(sourceView.bounds, to: self.view)
|
|
sourceOrigin = CGPoint(x: sourceRect.midX, y: sourceRect.maxY)
|
|
} else if let globalSourceRect = self.globalSourceRect {
|
|
let sourceRect = self.view.convert(globalSourceRect, from: nil)
|
|
sourceOrigin = CGPoint(x: sourceRect.midX, y: sourceRect.maxY)
|
|
} else {
|
|
sourceOrigin = CGPoint(x: layout.size.width / 2.0, y: floor(layout.size.height / 2.0 - componentSize.height))
|
|
}
|
|
|
|
if sourceOrigin.y + 5.0 + componentSize.height > layout.size.height - layout.insets(options: []).bottom {
|
|
sourceOrigin.y = layout.size.height - layout.insets(options: []).bottom - componentSize.height - 5.0
|
|
}
|
|
|
|
let componentFrame = CGRect(origin: CGPoint(x: floor((layout.size.width - componentSize.width) / 2.0), y: sourceOrigin.y + 5.0), size: componentSize)
|
|
|
|
if self.componentShadowLayer.bounds.size != componentFrame.size {
|
|
let componentShadowPath = UIBezierPath(roundedRect: CGRect(origin: CGPoint(), size: componentFrame.size), cornerRadius: 24.0).cgPath
|
|
self.componentShadowLayer.shadowPath = componentShadowPath
|
|
}
|
|
transition.setFrame(layer: self.componentShadowLayer, frame: componentFrame)
|
|
|
|
let cloudOffset0: CGFloat = 30.0
|
|
let cloudSize0: CGFloat = 16.0
|
|
var cloudFrame0 = CGRect(origin: CGPoint(x: floor(sourceOrigin.x + cloudOffset0 - cloudSize0 / 2.0), y: componentFrame.minY - cloudSize0 / 2.0), size: CGSize(width: cloudSize0, height: cloudSize0))
|
|
var invertX = false
|
|
if cloudFrame0.maxX >= layout.size.width - layout.safeInsets.right - 32.0 {
|
|
cloudFrame0.origin.x = floor(sourceOrigin.x - cloudSize0 - cloudOffset0 + cloudSize0 / 2.0)
|
|
invertX = true
|
|
}
|
|
|
|
transition.setFrame(layer: self.cloudLayer0, frame: cloudFrame0)
|
|
if self.cloudShadowLayer0.bounds.size != cloudFrame0.size {
|
|
let cloudShadowPath = UIBezierPath(roundedRect: CGRect(origin: CGPoint(), size: cloudFrame0.size), cornerRadius: 24.0).cgPath
|
|
self.cloudShadowLayer0.shadowPath = cloudShadowPath
|
|
}
|
|
transition.setFrame(layer: self.cloudShadowLayer0, frame: cloudFrame0)
|
|
transition.setCornerRadius(layer: self.cloudLayer0, cornerRadius: cloudFrame0.width / 2.0)
|
|
|
|
let cloudOffset1 = CGPoint(x: -9.0, y: -14.0)
|
|
let cloudSize1: CGFloat = 8.0
|
|
var cloudFrame1 = CGRect(origin: CGPoint(x: floor(cloudFrame0.midX + cloudOffset1.x - cloudSize1 / 2.0), y: floor(cloudFrame0.midY + cloudOffset1.y - cloudSize1 / 2.0)), size: CGSize(width: cloudSize1, height: cloudSize1))
|
|
if invertX {
|
|
cloudFrame1.origin.x = floor(cloudFrame0.midX - cloudSize1 - cloudOffset1.x + cloudSize1 / 2.0)
|
|
}
|
|
transition.setFrame(layer: self.cloudLayer1, frame: cloudFrame1)
|
|
if self.cloudShadowLayer1.bounds.size != cloudFrame1.size {
|
|
let cloudShadowPath = UIBezierPath(roundedRect: CGRect(origin: CGPoint(), size: cloudFrame1.size), cornerRadius: 24.0).cgPath
|
|
self.cloudShadowLayer1.shadowPath = cloudShadowPath
|
|
}
|
|
transition.setFrame(layer: self.cloudShadowLayer1, frame: cloudFrame1)
|
|
transition.setCornerRadius(layer: self.cloudLayer1, cornerRadius: cloudFrame1.width / 2.0)
|
|
|
|
transition.setFrame(view: componentView, frame: CGRect(origin: componentFrame.origin, size: CGSize(width: componentFrame.width, height: componentFrame.height)))
|
|
|
|
if animateIn {
|
|
self.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.1, completion: { [weak self] _ in
|
|
self?.allowsGroupOpacity = false
|
|
})
|
|
|
|
let contentDuration: Double = 0.3
|
|
let contentDelay: Double = 0.14
|
|
let initialContentFrame = CGRect(origin: CGPoint(x: cloudFrame0.midX - 24.0, y: componentFrame.minY), size: CGSize(width: 24.0 * 2.0, height: 24.0 * 2.0))
|
|
|
|
if let emojiView = self.componentHost.findTaggedView(tag: EmojiPagerContentComponent.Tag(id: AnyHashable("emoji"))) as? EmojiPagerContentComponent.View {
|
|
emojiView.animateIn(fromLocation: self.view.convert(initialContentFrame.center, to: emojiView))
|
|
}
|
|
|
|
componentView.layer.animatePosition(from: initialContentFrame.center, to: componentFrame.center, duration: contentDuration, delay: contentDelay, timingFunction: kCAMediaTimingFunctionSpring)
|
|
componentView.layer.animateBounds(from: CGRect(origin: CGPoint(x: -(componentFrame.minX - initialContentFrame.minX), y: -(componentFrame.minY - initialContentFrame.minY)), size: initialContentFrame.size), to: CGRect(origin: CGPoint(), size: componentFrame.size), duration: contentDuration, delay: contentDelay, timingFunction: kCAMediaTimingFunctionSpring)
|
|
self.componentShadowLayer.animateFrame(from: CGRect(origin: CGPoint(x: cloudFrame0.midX - 24.0, y: componentFrame.minY), size: CGSize(width: 24.0 * 2.0, height: 24.0 * 2.0)), to: componentView.frame, duration: contentDuration, delay: contentDelay, timingFunction: kCAMediaTimingFunctionSpring)
|
|
componentView.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.04, delay: contentDelay)
|
|
self.componentShadowLayer.animateAlpha(from: 0.0, to: 1.0, duration: 0.04, delay: contentDelay)
|
|
|
|
let initialComponentShadowPath = UIBezierPath(roundedRect: CGRect(origin: CGPoint(), size: initialContentFrame.size), cornerRadius: 24.0).cgPath
|
|
self.componentShadowLayer.animate(from: initialComponentShadowPath, to: self.componentShadowLayer.shadowPath!, keyPath: "shadowPath", timingFunction: kCAMediaTimingFunctionSpring, duration: contentDuration, delay: contentDelay)
|
|
|
|
self.cloudLayer0.animateScale(from: 0.01, to: 1.0, duration: 0.4, delay: 0.05, timingFunction: kCAMediaTimingFunctionSpring)
|
|
self.cloudShadowLayer0.animateScale(from: 0.01, to: 1.0, duration: 0.4, delay: 0.05, timingFunction: kCAMediaTimingFunctionSpring)
|
|
|
|
self.cloudLayer1.animateScale(from: 0.01, to: 1.0, duration: 0.4, timingFunction: kCAMediaTimingFunctionSpring)
|
|
self.cloudShadowLayer1.animateScale(from: 0.01, to: 1.0, duration: 0.4, timingFunction: kCAMediaTimingFunctionSpring)
|
|
}
|
|
}
|
|
|
|
if let previewItem = self.previewItem, let itemFile = previewItem.item.itemFile {
|
|
let previewScreenView: ComponentView<Empty>
|
|
var previewScreenTransition = transition
|
|
if let current = self.previewScreenView {
|
|
previewScreenView = current
|
|
} else {
|
|
previewScreenTransition = Transition(animation: .none)
|
|
if let emojiView = self.componentHost.findTaggedView(tag: EmojiPagerContentComponent.Tag(id: AnyHashable("emoji"))) as? EmojiPagerContentComponent.View, let sourceLayer = emojiView.layerForItem(groupId: previewItem.groupId, item: previewItem.item) {
|
|
previewScreenTransition = previewScreenTransition.withUserData(EmojiStatusPreviewScreenComponent.TransitionAnimation(
|
|
transitionType: .animateIn(sourceLayer: sourceLayer)
|
|
))
|
|
}
|
|
previewScreenView = ComponentView<Empty>()
|
|
self.previewScreenView = previewScreenView
|
|
}
|
|
let _ = previewScreenView.update(
|
|
transition: previewScreenTransition,
|
|
component: AnyComponent(EmojiStatusPreviewScreenComponent(
|
|
theme: self.presentationData.theme,
|
|
strings: self.presentationData.strings,
|
|
bottomInset: layout.insets(options: []).bottom,
|
|
item: EmojiStatusComponent(
|
|
context: self.context,
|
|
animationCache: self.context.animationCache,
|
|
animationRenderer: self.context.animationRenderer,
|
|
content: .animation(
|
|
content: .file(file: itemFile),
|
|
size: CGSize(width: 128.0, height: 128.0),
|
|
placeholderColor: self.presentationData.theme.list.plainBackgroundColor.withMultipliedAlpha(0.1),
|
|
themeColor: self.presentationData.theme.list.itemAccentColor,
|
|
loopMode: .forever
|
|
),
|
|
isVisibleForAnimations: true,
|
|
useSharedAnimation: false,
|
|
action: nil
|
|
),
|
|
dismiss: { [weak self] result in
|
|
guard let strongSelf = self else {
|
|
return
|
|
}
|
|
|
|
if let result = result, let previewItem = strongSelf.previewItem {
|
|
var emojiString: String?
|
|
if let itemFile = previewItem.item.itemFile {
|
|
attributeLoop: for attribute in itemFile.attributes {
|
|
switch attribute {
|
|
case let .CustomEmoji(_, alt, _):
|
|
emojiString = alt
|
|
break attributeLoop
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
let context = strongSelf.context
|
|
let _ = (context.engine.stickers.availableReactions()
|
|
|> take(1)
|
|
|> mapToSignal { availableReactions -> Signal<String?, NoError> in
|
|
guard let emojiString = emojiString, let availableReactions = availableReactions else {
|
|
return .single(nil)
|
|
}
|
|
for reaction in availableReactions.reactions {
|
|
if case let .builtin(value) = reaction.value, value == emojiString {
|
|
if let aroundAnimation = reaction.aroundAnimation {
|
|
return context.account.postbox.mediaBox.resourceData(aroundAnimation.resource)
|
|
|> take(1)
|
|
|> map { data -> String? in
|
|
if data.complete {
|
|
return data.path
|
|
} else {
|
|
return nil
|
|
}
|
|
}
|
|
} else {
|
|
return .single(nil)
|
|
}
|
|
}
|
|
}
|
|
return .single(nil)
|
|
}
|
|
|> deliverOnMainQueue).start(next: { filePath in
|
|
guard let strongSelf = self, let previewItem = strongSelf.previewItem, let destinationView = strongSelf.controller?.destinationItemView() else {
|
|
return
|
|
}
|
|
|
|
let expirationDate: Int32? = result.timestamp
|
|
|
|
let _ = (strongSelf.context.engine.accountData.setEmojiStatus(file: previewItem.item.itemFile, expirationDate: expirationDate)
|
|
|> deliverOnMainQueue).start()
|
|
|
|
strongSelf.animateOutToStatus(item: previewItem.item, sourceLayer: result.sourceView.layer, customEffectFile: filePath, destinationView: destinationView, fromBackground: true)
|
|
})
|
|
} else {
|
|
strongSelf.dismissedPreviewItem = strongSelf.previewItem
|
|
strongSelf.previewItem = nil
|
|
strongSelf.refreshLayout(transition: .immediate)
|
|
}
|
|
}
|
|
)),
|
|
environment: {},
|
|
containerSize: layout.size
|
|
)
|
|
if let view = previewScreenView.view {
|
|
if view.superview == nil {
|
|
self.view.addSubview(view)
|
|
}
|
|
transition.setFrame(view: view, frame: CGRect(origin: CGPoint(), size: layout.size))
|
|
}
|
|
} else if let previewScreenView = self.previewScreenView {
|
|
self.previewScreenView = nil
|
|
|
|
if let previewScreenComponentView = previewScreenView.view as? EmojiStatusPreviewScreenComponent.View {
|
|
var targetLayer: CALayer?
|
|
if let previewItem = self.dismissedPreviewItem, let emojiView = self.componentHost.findTaggedView(tag: EmojiPagerContentComponent.Tag(id: AnyHashable("emoji"))) as? EmojiPagerContentComponent.View, let sourceLayer = emojiView.layerForItem(groupId: previewItem.groupId, item: previewItem.item) {
|
|
targetLayer = sourceLayer
|
|
}
|
|
|
|
previewScreenComponentView.animateOut(targetLayer: targetLayer, completion: { [weak previewScreenComponentView] in
|
|
previewScreenComponentView?.removeFromSuperview()
|
|
})
|
|
} else {
|
|
previewScreenView.view?.removeFromSuperview()
|
|
}
|
|
}
|
|
}
|
|
|
|
override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
|
|
if let result = super.hitTest(point, with: event) {
|
|
if self.isDismissed {
|
|
return self.view
|
|
}
|
|
|
|
if result === self.view {
|
|
self.isDismissed = true
|
|
self.controller?.dismiss()
|
|
}
|
|
|
|
return result
|
|
}
|
|
return nil
|
|
}
|
|
|
|
private func applyItem(groupId: AnyHashable, item: EmojiPagerContentComponent.Item?, isPreview: Bool) {
|
|
guard let controller = self.controller else {
|
|
return
|
|
}
|
|
|
|
if isPreview {
|
|
guard let item = item else {
|
|
return
|
|
}
|
|
self.previewItem = (groupId, item)
|
|
self.refreshLayout(transition: .immediate)
|
|
} else {
|
|
self.freezeUpdates = true
|
|
|
|
if case .statusSelection = controller.mode, let item = item, let currentSelection = self.currentSelection, item.itemFile?.fileId.id == currentSelection {
|
|
let _ = (self.context.engine.accountData.setEmojiStatus(file: nil, expirationDate: nil)
|
|
|> deliverOnMainQueue).start()
|
|
controller.dismiss()
|
|
return
|
|
}
|
|
|
|
if let _ = item, let destinationView = controller.destinationItemView() {
|
|
if let snapshotView = destinationView.snapshotView(afterScreenUpdates: false) {
|
|
snapshotView.frame = destinationView.frame
|
|
destinationView.superview?.insertSubview(snapshotView, belowSubview: destinationView)
|
|
snapshotView.layer.animateScale(from: 1.0, to: 0.001, duration: 0.15, removeOnCompletion: false, completion: { [weak snapshotView] _ in
|
|
snapshotView?.removeFromSuperview()
|
|
})
|
|
}
|
|
destinationView.isHidden = true
|
|
}
|
|
|
|
switch controller.mode {
|
|
case .statusSelection:
|
|
let _ = (self.context.engine.accountData.setEmojiStatus(file: item?.itemFile, expirationDate: nil)
|
|
|> deliverOnMainQueue).start()
|
|
case let .quickReactionSelection(completion):
|
|
if let item = item, let itemFile = item.itemFile {
|
|
var selectedReaction: MessageReaction.Reaction?
|
|
|
|
if let availableReactions = self.availableReactions {
|
|
for reaction in availableReactions.reactions {
|
|
if reaction.selectAnimation.fileId == itemFile.fileId {
|
|
selectedReaction = reaction.value
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
if selectedReaction == nil {
|
|
selectedReaction = .custom(itemFile.fileId.id)
|
|
}
|
|
|
|
if let selectedReaction = selectedReaction {
|
|
let _ = context.engine.stickers.updateQuickReaction(reaction: selectedReaction).start()
|
|
}
|
|
}
|
|
|
|
completion()
|
|
}
|
|
|
|
if let item = item, let destinationView = controller.destinationItemView() {
|
|
var emojiString: String?
|
|
if let itemFile = item.itemFile {
|
|
attributeLoop: for attribute in itemFile.attributes {
|
|
switch attribute {
|
|
case let .CustomEmoji(_, alt, _):
|
|
emojiString = alt
|
|
break attributeLoop
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
let context = self.context
|
|
let _ = (context.engine.stickers.availableReactions()
|
|
|> take(1)
|
|
|> mapToSignal { availableReactions -> Signal<String?, NoError> in
|
|
guard let emojiString = emojiString, let availableReactions = availableReactions else {
|
|
return .single(nil)
|
|
}
|
|
for reaction in availableReactions.reactions {
|
|
if case let .builtin(value) = reaction.value, value == emojiString {
|
|
if let aroundAnimation = reaction.aroundAnimation {
|
|
return context.account.postbox.mediaBox.resourceData(aroundAnimation.resource)
|
|
|> take(1)
|
|
|> map { data -> String? in
|
|
if data.complete {
|
|
return data.path
|
|
} else {
|
|
return nil
|
|
}
|
|
}
|
|
} else {
|
|
return .single(nil)
|
|
}
|
|
}
|
|
}
|
|
return .single(nil)
|
|
}
|
|
|> deliverOnMainQueue).start(next: { [weak self] filePath in
|
|
guard let strongSelf = self else {
|
|
return
|
|
}
|
|
guard let emojiView = strongSelf.componentHost.findTaggedView(tag: EmojiPagerContentComponent.Tag(id: AnyHashable("emoji"))) as? EmojiPagerContentComponent.View, let sourceLayer = emojiView.layerForItem( groupId: groupId, item: item) else {
|
|
strongSelf.controller?.dismiss()
|
|
return
|
|
}
|
|
|
|
strongSelf.animateOutToStatus(item: item, sourceLayer: sourceLayer, customEffectFile: filePath, destinationView: destinationView, fromBackground: false)
|
|
})
|
|
} else {
|
|
controller.dismiss()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public enum Mode {
|
|
case statusSelection
|
|
case quickReactionSelection(completion: () -> Void)
|
|
}
|
|
|
|
private let context: AccountContext
|
|
private weak var sourceView: UIView?
|
|
private let emojiContent: Signal<EmojiPagerContentComponent, NoError>
|
|
private let currentSelection: Int64?
|
|
private let mode: Mode
|
|
private let destinationItemView: () -> UIView?
|
|
|
|
fileprivate let _ready = Promise<Bool>()
|
|
override public var ready: Promise<Bool> {
|
|
return self._ready
|
|
}
|
|
|
|
public init(context: AccountContext, mode: Mode, sourceView: UIView, emojiContent: Signal<EmojiPagerContentComponent, NoError>, currentSelection: Int64?, destinationItemView: @escaping () -> UIView?) {
|
|
self.context = context
|
|
self.mode = mode
|
|
self.sourceView = sourceView
|
|
self.emojiContent = emojiContent
|
|
self.currentSelection = currentSelection
|
|
self.destinationItemView = destinationItemView
|
|
|
|
super.init(navigationBarPresentationData: nil)
|
|
|
|
self.lockOrientation = true
|
|
|
|
self.statusBar.statusBarStyle = .Ignore
|
|
}
|
|
|
|
required public init(coder: NSCoder) {
|
|
preconditionFailure()
|
|
}
|
|
|
|
override public func viewDidAppear(_ animated: Bool) {
|
|
super.viewDidAppear(animated)
|
|
}
|
|
|
|
private func dismissNow() {
|
|
self.presentingViewController?.dismiss(animated: false, completion: nil)
|
|
}
|
|
|
|
override public func dismiss(completion: (() -> Void)? = nil) {
|
|
(self.displayNode as! Node).animateOut(completion: { [weak self] in
|
|
self?.presentingViewController?.dismiss(animated: false, completion: nil)
|
|
completion?()
|
|
}, fromBackground: false)
|
|
}
|
|
|
|
override public func loadDisplayNode() {
|
|
self.displayNode = Node(controller: self, context: self.context, sourceView: self.sourceView, emojiContent: self.emojiContent, currentSelection: self.currentSelection)
|
|
|
|
super.displayNodeDidLoad()
|
|
}
|
|
|
|
override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
|
|
super.containerLayoutUpdated(layout, transition: transition)
|
|
|
|
(self.displayNode as! Node).containerLayoutUpdated(layout: layout, transition: Transition(transition))
|
|
}
|
|
}
|
|
|
|
private func generateParabollicMotionKeyframes(from sourcePoint: CGPoint, to targetPosition: CGPoint, midPointY: CGFloat) -> [CGPoint] {
|
|
let midPoint = CGPoint(x: (sourcePoint.x + targetPosition.x) / 2.0, y: midPointY)
|
|
|
|
let x1 = sourcePoint.x
|
|
let y1 = sourcePoint.y
|
|
let x2 = midPoint.x
|
|
let y2 = midPoint.y
|
|
let x3 = targetPosition.x
|
|
let y3 = targetPosition.y
|
|
|
|
var keyframes: [CGPoint] = []
|
|
if abs(y1 - y3) < 5.0 && abs(x1 - x3) < 5.0 {
|
|
for i in 0 ..< 10 {
|
|
let k = CGFloat(i) / CGFloat(10 - 1)
|
|
let x = sourcePoint.x * (1.0 - k) + targetPosition.x * k
|
|
let y = sourcePoint.y * (1.0 - k) + targetPosition.y * k
|
|
keyframes.append(CGPoint(x: x, y: y))
|
|
}
|
|
} else {
|
|
let a = (x3 * (y2 - y1) + x2 * (y1 - y3) + x1 * (y3 - y2)) / ((x1 - x2) * (x1 - x3) * (x2 - x3))
|
|
let b = (x1 * x1 * (y2 - y3) + x3 * x3 * (y1 - y2) + x2 * x2 * (y3 - y1)) / ((x1 - x2) * (x1 - x3) * (x2 - x3))
|
|
let c = (x2 * x2 * (x3 * y1 - x1 * y3) + x2 * (x1 * x1 * y3 - x3 * x3 * y1) + x1 * x3 * (x3 - x1) * y2) / ((x1 - x2) * (x1 - x3) * (x2 - x3))
|
|
|
|
for i in 0 ..< 10 {
|
|
let k = CGFloat(i) / CGFloat(10 - 1)
|
|
let x = sourcePoint.x * (1.0 - k) + targetPosition.x * k
|
|
let y = a * x * x + b * x + c
|
|
keyframes.append(CGPoint(x: x, y: y))
|
|
}
|
|
}
|
|
|
|
return keyframes
|
|
}
|