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https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-12-22 22:25:57 +00:00
Various improvements
This commit is contained in:
Ilya Laktyushin
@@ -0,0 +1,279 @@
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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 AppBundle
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import ChatControllerInteraction
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import MultiplexedVideoNode
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import ChatPresentationInterfaceState
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final class GifPaneSearchContentNode: ASDisplayNode & PaneSearchContentNode {
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private let context: AccountContext
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private let controllerInteraction: ChatControllerInteraction
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private let inputNodeInteraction: ChatMediaInputNodeInteraction
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private var theme: PresentationTheme
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private var strings: PresentationStrings
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private var multiplexedNode: MultiplexedVideoNode?
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private let notFoundNode: ASImageNode
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private let notFoundLabel: ImmediateTextNode
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private var nextOffset: (String, String)?
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private var isLoadingNextResults: Bool = false
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private var validLayout: CGSize?
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private let trendingPromise: Promise<ChatMediaInputGifPaneTrendingState?>
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private let searchDisposable = MetaDisposable()
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private let _ready = Promise<Void>()
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var ready: Signal<Void, NoError> {
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return self._ready.get()
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}
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var deactivateSearchBar: (() -> Void)?
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var updateActivity: ((Bool) -> Void)?
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var requestUpdateQuery: ((String) -> Void)?
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var openGifContextMenu: ((MultiplexedVideoNodeFile, ASDisplayNode, CGRect, ContextGesture, Bool) -> Void)?
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private var hasInitialText = false
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init(context: AccountContext, theme: PresentationTheme, strings: PresentationStrings, controllerInteraction: ChatControllerInteraction, inputNodeInteraction: ChatMediaInputNodeInteraction, trendingPromise: Promise<ChatMediaInputGifPaneTrendingState?>) {
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self.context = context
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self.controllerInteraction = controllerInteraction
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self.inputNodeInteraction = inputNodeInteraction
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self.trendingPromise = trendingPromise
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self.theme = theme
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self.strings = strings
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self.notFoundNode = ASImageNode()
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self.notFoundNode.displayWithoutProcessing = true
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self.notFoundNode.displaysAsynchronously = false
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self.notFoundNode.clipsToBounds = false
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self.notFoundLabel = ImmediateTextNode()
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self.notFoundLabel.displaysAsynchronously = false
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self.notFoundLabel.isUserInteractionEnabled = false
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self.notFoundNode.addSubnode(self.notFoundLabel)
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super.init()
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self.notFoundNode.isHidden = true
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self._ready.set(.single(Void()))
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self.addSubnode(self.notFoundNode)
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self.updateThemeAndStrings(theme: theme, strings: strings)
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}
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deinit {
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self.searchDisposable.dispose()
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}
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func updateText(_ text: String, languageCode: String?) {
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self.hasInitialText = true
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self.isLoadingNextResults = true
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let signal: Signal<([MultiplexedVideoNodeFile], String?)?, NoError>
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if !text.isEmpty {
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signal = paneGifSearchForQuery(context: self.context, query: text, offset: "", updateActivity: self.updateActivity)
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|> map { result -> ([MultiplexedVideoNodeFile], String?)? in
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if let result = result {
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return (result.files, result.nextOffset)
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} else {
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return nil
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}
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}
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self.updateActivity?(true)
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} else {
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signal = self.trendingPromise.get()
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|> map { items -> ([MultiplexedVideoNodeFile], String?)? in
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if let items = items {
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return (items.files, nil)
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} else {
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return nil
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}
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}
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self.updateActivity?(false)
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}
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self.searchDisposable.set((signal
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|> deliverOnMainQueue).start(next: { [weak self] result in
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guard let strongSelf = self, let (result, nextOffset) = result else {
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return
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}
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strongSelf.isLoadingNextResults = false
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if let nextOffset = nextOffset {
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strongSelf.nextOffset = (text, nextOffset)
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} else {
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strongSelf.nextOffset = nil
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}
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strongSelf.multiplexedNode?.setFiles(files: MultiplexedVideoNodeFiles(saved: [], trending: result, isSearch: true, canLoadMore: false, isStale: false), synchronous: true, resetScrollingToOffset: nil)
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strongSelf.updateActivity?(false)
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strongSelf.notFoundNode.isHidden = text.isEmpty || !result.isEmpty
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}))
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}
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private func loadMore() {
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if self.isLoadingNextResults {
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return
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}
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guard let (text, nextOffsetValue) = self.nextOffset else {
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return
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}
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self.isLoadingNextResults = true
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let signal: Signal<([MultiplexedVideoNodeFile], String?)?, NoError>
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signal = paneGifSearchForQuery(context: self.context, query: text, offset: nextOffsetValue, updateActivity: self.updateActivity)
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|> map { result -> ([MultiplexedVideoNodeFile], String?)? in
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if let result = result {
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return (result.files, result.nextOffset)
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} else {
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return nil
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}
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}
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self.searchDisposable.set((signal
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|> deliverOnMainQueue).start(next: { [weak self] result in
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guard let strongSelf = self, let (result, nextOffset) = result else {
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return
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}
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var files = strongSelf.multiplexedNode?.files.trending ?? []
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var currentIds = Set(files.map { $0.file.media.fileId })
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for item in result {
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if currentIds.contains(item.file.media.fileId) {
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continue
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}
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currentIds.insert(item.file.media.fileId)
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files.append(item)
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}
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strongSelf.isLoadingNextResults = false
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if let nextOffset = nextOffset {
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strongSelf.nextOffset = (text, nextOffset)
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} else {
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strongSelf.nextOffset = nil
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}
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strongSelf.multiplexedNode?.setFiles(files: MultiplexedVideoNodeFiles(saved: [], trending: files, isSearch: true, canLoadMore: false, isStale: false), synchronous: true, resetScrollingToOffset: nil)
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strongSelf.notFoundNode.isHidden = text.isEmpty || !files.isEmpty
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}))
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}
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func updateThemeAndStrings(theme: PresentationTheme, strings: PresentationStrings) {
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self.notFoundNode.image = generateTintedImage(image: UIImage(bundleImageName: "Chat/Input/Media/GifsNotFoundIcon"), color: theme.list.freeMonoIconColor)
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self.notFoundLabel.attributedText = NSAttributedString(string: strings.Gif_NoGifsFound, font: Font.medium(14.0), textColor: theme.list.freeTextColor)
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}
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func updatePreviewing(animated: Bool) {
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}
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func itemAt(point: CGPoint) -> (ASDisplayNode, Any)? {
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if let multiplexedNode = self.multiplexedNode, let file = multiplexedNode.fileAt(point: point.offsetBy(dx: -multiplexedNode.frame.minX, dy: -multiplexedNode.frame.minY)) {
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return (self, file)
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} else {
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return nil
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}
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}
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func updateLayout(size: CGSize, leftInset: CGFloat, rightInset: CGFloat, bottomInset: CGFloat, inputHeight: CGFloat, deviceMetrics: DeviceMetrics, transition: ContainedViewLayoutTransition) {
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let firstLayout = self.validLayout == nil
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self.validLayout = size
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if let image = self.notFoundNode.image {
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let areaHeight = size.height - inputHeight
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let labelSize = self.notFoundLabel.updateLayout(CGSize(width: size.width, height: CGFloat.greatestFiniteMagnitude))
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transition.updateFrame(node: self.notFoundNode, frame: CGRect(origin: CGPoint(x: floor((size.width - image.size.width) / 2.0), y: floor((areaHeight - image.size.height - labelSize.height) / 2.0)), size: image.size))
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transition.updateFrame(node: self.notFoundLabel, frame: CGRect(origin: CGPoint(x: floor((image.size.width - labelSize.width) / 2.0), y: image.size.height + 8.0), size: labelSize))
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}
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if let multiplexedNode = self.multiplexedNode {
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multiplexedNode.topInset = 0.0
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multiplexedNode.bottomInset = 0.0
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let nodeFrame = CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: CGSize(width: size.width, height: size.height))
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transition.updateFrame(layer: multiplexedNode.layer, frame: nodeFrame)
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multiplexedNode.updateLayout(theme: self.theme, strings: self.strings, size: nodeFrame.size, transition: transition)
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}
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if firstLayout && !self.hasInitialText {
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self.updateText("", languageCode: nil)
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}
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}
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override func willEnterHierarchy() {
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super.willEnterHierarchy()
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if self.multiplexedNode == nil {
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let multiplexedNode = MultiplexedVideoNode(account: self.context.account, theme: self.theme, strings: self.strings)
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self.multiplexedNode = multiplexedNode
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if let layout = self.validLayout {
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multiplexedNode.frame = CGRect(origin: CGPoint(), size: layout)
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}
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self.addSubnode(multiplexedNode)
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multiplexedNode.fileSelected = { [weak self] file, sourceNode, sourceRect in
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if let (collection, result) = file.contextResult {
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let _ = self?.controllerInteraction.sendBotContextResultAsGif(collection, result, sourceNode.view, sourceRect, false)
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} else {
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let _ = self?.controllerInteraction.sendGif(file.file, sourceNode.view, sourceRect, false, false)
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}
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}
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multiplexedNode.fileContextMenu = { [weak self] fileReference, sourceNode, sourceRect, gesture, isSaved in
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self?.openGifContextMenu?(fileReference, sourceNode, sourceRect, gesture, isSaved)
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}
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multiplexedNode.didScroll = { [weak self] offset, height in
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guard let strongSelf = self, let multiplexedNode = strongSelf.multiplexedNode else {
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return
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}
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strongSelf.deactivateSearchBar?()
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if offset >= height - multiplexedNode.bounds.height - 200.0 {
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strongSelf.loadMore()
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}
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}
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multiplexedNode.reactionSelected = { [weak self] reaction in
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self?.requestUpdateQuery?(reaction)
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}
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}
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}
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func animateIn(additivePosition: CGFloat, transition: ContainedViewLayoutTransition) {
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guard let multiplexedNode = self.multiplexedNode else {
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return
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}
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multiplexedNode.alpha = 0.0
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transition.updateAlpha(layer: multiplexedNode.layer, alpha: 1.0, completion: { _ in
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})
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if case let .animated(duration, curve) = transition {
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multiplexedNode.layer.animatePosition(from: CGPoint(x: 0.0, y: additivePosition), to: CGPoint(), duration: duration, timingFunction: curve.timingFunction, additive: true)
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}
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}
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func animateOut(transition: ContainedViewLayoutTransition) {
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guard let multiplexedNode = self.multiplexedNode else {
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return
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}
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transition.updateAlpha(layer: multiplexedNode.layer, alpha: 0.0, completion: { _ in
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})
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}
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}
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