mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
290 lines
15 KiB
Swift
290 lines
15 KiB
Swift
import Foundation
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import UIKit
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import AsyncDisplayKit
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import Postbox
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import TelegramCore
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import SyncCore
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import Display
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import TelegramPresentationData
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import TelegramUIPreferences
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import MergeLists
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import AccountContext
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import Emoji
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private struct EmojisChatInputContextPanelEntryStableId: Hashable, Equatable {
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let symbol: String
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}
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private func backgroundCenterImage(_ theme: PresentationTheme) -> UIImage? {
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return generateImage(CGSize(width: 30.0, height: 55.0), rotatedContext: { size, context in
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context.clear(CGRect(origin: CGPoint(), size: size))
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context.setStrokeColor(theme.list.itemPlainSeparatorColor.cgColor)
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context.setFillColor(theme.list.plainBackgroundColor.cgColor)
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let lineWidth = UIScreenPixel
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context.setLineWidth(lineWidth)
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context.translateBy(x: 460.5, y: 364.0 - 27.0)
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let path: StaticString = "M-490.476836,-365 L-394.167708,-365 L-394.167708,-291.918214 C-394.167708,-291.918214 -383.538396,-291.918214 -397.691655,-291.918214 C-402.778486,-291.918214 -424.555168,-291.918214 -434.037301,-291.918214 C-440.297129,-291.918214 -440.780682,-283.5 -445.999879,-283.5 C-450.393041,-283.5 -452.491241,-291.918214 -456.502636,-291.918214 C-465.083339,-291.918214 -476.209155,-291.918214 -483.779021,-291.918214 C-503.033963,-291.918214 -490.476836,-291.918214 -490.476836,-291.918214 L-490.476836,-365 "
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let _ = try? drawSvgPath(context, path: path)
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context.fillPath()
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context.translateBy(x: 0.0, y: lineWidth / 2.0)
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let _ = try? drawSvgPath(context, path: path)
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context.strokePath()
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context.translateBy(x: -460.5, y: -lineWidth / 2.0 - 364.0 + 27.0)
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context.move(to: CGPoint(x: 0.0, y: lineWidth / 2.0))
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context.addLine(to: CGPoint(x: size.width, y: lineWidth / 2.0))
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context.strokePath()
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})
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}
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private func backgroundLeftImage(_ theme: PresentationTheme) -> UIImage? {
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return generateImage(CGSize(width: 8.0, height: 16.0), rotatedContext: { size, context in
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context.clear(CGRect(origin: CGPoint(), size: size))
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context.setStrokeColor(theme.list.itemPlainSeparatorColor.cgColor)
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context.setFillColor(theme.list.plainBackgroundColor.cgColor)
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let lineWidth = UIScreenPixel
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context.setLineWidth(lineWidth)
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context.fillEllipse(in: CGRect(origin: CGPoint(), size: CGSize(width: size.height, height: size.height)))
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context.strokeEllipse(in: CGRect(origin: CGPoint(x: lineWidth / 2.0, y: lineWidth / 2.0), size: CGSize(width: size.height - lineWidth, height: size.height - lineWidth)))
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})?.stretchableImage(withLeftCapWidth: 8, topCapHeight: 8)
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}
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private struct EmojisChatInputContextPanelEntry: Comparable, Identifiable {
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let index: Int
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let theme: PresentationTheme
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let symbol: String
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let text: String
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var stableId: EmojisChatInputContextPanelEntryStableId {
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return EmojisChatInputContextPanelEntryStableId(symbol: self.symbol)
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}
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func withUpdatedTheme(_ theme: PresentationTheme) -> EmojisChatInputContextPanelEntry {
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return EmojisChatInputContextPanelEntry(index: self.index, theme: theme, symbol: self.symbol, text: self.text)
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}
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static func ==(lhs: EmojisChatInputContextPanelEntry, rhs: EmojisChatInputContextPanelEntry) -> Bool {
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return lhs.index == rhs.index && lhs.symbol == rhs.symbol && lhs.text == rhs.text && lhs.theme === rhs.theme
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}
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static func <(lhs: EmojisChatInputContextPanelEntry, rhs: EmojisChatInputContextPanelEntry) -> Bool {
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return lhs.index < rhs.index
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}
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func item(account: Account, emojiSelected: @escaping (String) -> Void) -> ListViewItem {
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return EmojisChatInputPanelItem(theme: self.theme, symbol: self.symbol, text: self.text, emojiSelected: emojiSelected)
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}
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}
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private struct EmojisChatInputContextPanelTransition {
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let deletions: [ListViewDeleteItem]
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let insertions: [ListViewInsertItem]
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let updates: [ListViewUpdateItem]
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}
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private func preparedTransition(from fromEntries: [EmojisChatInputContextPanelEntry], to toEntries: [EmojisChatInputContextPanelEntry], account: Account, emojiSelected: @escaping (String) -> Void) -> EmojisChatInputContextPanelTransition {
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let (deleteIndices, indicesAndItems, updateIndices) = mergeListsStableWithUpdates(leftList: fromEntries, rightList: toEntries)
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let deletions = deleteIndices.map { ListViewDeleteItem(index: $0, directionHint: nil) }
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let insertions = indicesAndItems.map { ListViewInsertItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(account: account, emojiSelected: emojiSelected), directionHint: nil) }
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let updates = updateIndices.map { ListViewUpdateItem(index: $0.0, previousIndex: $0.2, item: $0.1.item(account: account, emojiSelected: emojiSelected), directionHint: nil) }
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return EmojisChatInputContextPanelTransition(deletions: deletions, insertions: insertions, updates: updates)
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}
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final class EmojisChatInputContextPanelNode: ChatInputContextPanelNode {
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private let backgroundLeftNode: ASImageNode
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private let backgroundNode: ASImageNode
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private let backgroundRightNode: ASImageNode
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private let clippingNode: ASDisplayNode
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private let listView: ListView
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private var currentEntries: [EmojisChatInputContextPanelEntry]?
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private var enqueuedTransitions: [(EmojisChatInputContextPanelTransition, Bool)] = []
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private var validLayout: (CGSize, CGFloat, CGFloat, CGFloat)?
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private var presentationInterfaceState: ChatPresentationInterfaceState?
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override init(context: AccountContext, theme: PresentationTheme, strings: PresentationStrings, fontSize: PresentationFontSize) {
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self.backgroundNode = ASImageNode()
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self.backgroundNode.displayWithoutProcessing = true
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self.backgroundNode.displaysAsynchronously = false
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self.backgroundNode.image = backgroundCenterImage(theme)
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self.backgroundLeftNode = ASImageNode()
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self.backgroundLeftNode.displayWithoutProcessing = true
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self.backgroundLeftNode.displaysAsynchronously = false
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self.backgroundLeftNode.image = backgroundLeftImage(theme)
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self.backgroundRightNode = ASImageNode()
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self.backgroundRightNode.displayWithoutProcessing = true
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self.backgroundRightNode.displaysAsynchronously = false
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self.backgroundRightNode.image = backgroundLeftImage(theme)
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self.backgroundRightNode.transform = CATransform3DMakeScale(-1.0, 1.0, 1.0)
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self.clippingNode = ASDisplayNode()
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self.clippingNode.clipsToBounds = true
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self.listView = ListView()
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self.listView.isOpaque = false
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self.listView.view.disablesInteractiveTransitionGestureRecognizer = true
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self.listView.transform = CATransform3DMakeRotation(-CGFloat.pi / 2.0, 0.0, 0.0, 1.0)
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super.init(context: context, theme: theme, strings: strings, fontSize: fontSize)
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self.placement = .overTextInput
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self.isOpaque = false
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self.addSubnode(self.backgroundNode)
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self.addSubnode(self.backgroundLeftNode)
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self.addSubnode(self.backgroundRightNode)
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self.addSubnode(self.clippingNode)
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self.clippingNode.addSubnode(self.listView)
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}
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func updateResults(_ results: [(String, String)]) {
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var entries: [EmojisChatInputContextPanelEntry] = []
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var index = 0
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var stableIds = Set<EmojisChatInputContextPanelEntryStableId>()
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for (symbol, text) in results {
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let entry = EmojisChatInputContextPanelEntry(index: index, theme: self.theme, symbol: symbol.normalizedEmoji, text: text)
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if stableIds.contains(entry.stableId) {
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continue
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}
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stableIds.insert(entry.stableId)
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entries.append(entry)
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index += 1
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}
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self.prepareTransition(from: self.currentEntries, to: entries)
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}
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private func prepareTransition(from: [EmojisChatInputContextPanelEntry]? , to: [EmojisChatInputContextPanelEntry]) {
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let firstTime = self.currentEntries == nil
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let transition = preparedTransition(from: from ?? [], to: to, account: self.context.account, emojiSelected: { [weak self] text in
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if let strongSelf = self, let interfaceInteraction = strongSelf.interfaceInteraction {
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interfaceInteraction.updateTextInputStateAndMode { textInputState, inputMode in
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var hashtagQueryRange: NSRange?
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inner: for (range, type, _) in textInputStateContextQueryRangeAndType(textInputState) {
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if type == [.emojiSearch] {
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var range = range
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range.location -= 1
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range.length += 1
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hashtagQueryRange = range
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break inner
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}
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}
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if let range = hashtagQueryRange {
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let inputText = NSMutableAttributedString(attributedString: textInputState.inputText)
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let replacementText = text
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inputText.replaceCharacters(in: range, with: replacementText)
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let selectionPosition = range.lowerBound + (replacementText as NSString).length
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return (ChatTextInputState(inputText: inputText, selectionRange: selectionPosition ..< selectionPosition), inputMode)
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}
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return (textInputState, inputMode)
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}
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}
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})
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self.currentEntries = to
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self.enqueueTransition(transition, firstTime: firstTime)
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if let presentationInterfaceState = presentationInterfaceState, let (size, leftInset, rightInset, bottomInset) = self.validLayout {
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self.updateLayout(size: size, leftInset: leftInset, rightInset: rightInset, bottomInset: bottomInset, transition: .immediate, interfaceState: presentationInterfaceState)
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}
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}
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private func enqueueTransition(_ transition: EmojisChatInputContextPanelTransition, firstTime: Bool) {
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enqueuedTransitions.append((transition, firstTime))
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if self.validLayout != nil {
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while !self.enqueuedTransitions.isEmpty {
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self.dequeueTransition()
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}
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}
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}
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private func dequeueTransition() {
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if let validLayout = self.validLayout, let (transition, firstTime) = self.enqueuedTransitions.first {
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self.enqueuedTransitions.remove(at: 0)
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var options = ListViewDeleteAndInsertOptions()
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options.insert(.Synchronous)
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let updateSizeAndInsets = ListViewUpdateSizeAndInsets(size: validLayout.0, insets: UIEdgeInsets(top: 3.0, left: 0.0, bottom: 3.0, right: 0.0), duration: 0.0, curve: .Default(duration: nil))
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self.listView.transaction(deleteIndices: transition.deletions, insertIndicesAndItems: transition.insertions, updateIndicesAndItems: transition.updates, options: options, updateSizeAndInsets: updateSizeAndInsets, updateOpaqueState: nil)
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}
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}
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override func updateLayout(size: CGSize, leftInset: CGFloat, rightInset: CGFloat, bottomInset: CGFloat, transition: ContainedViewLayoutTransition, interfaceState: ChatPresentationInterfaceState) {
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let hadValidLayout = self.validLayout != nil
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self.validLayout = (size, leftInset, rightInset, bottomInset)
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self.presentationInterfaceState = interfaceState
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let sideInsets: CGFloat = 10.0 + leftInset
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let contentWidth = min(size.width - sideInsets - sideInsets, max(24.0, CGFloat(self.currentEntries?.count ?? 0) * 45.0))
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var contentLeftInset: CGFloat = 40.0
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var leftOffset: CGFloat = 0.0
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if sideInsets + floor(contentWidth / 2.0) < sideInsets + contentLeftInset + 15.0 {
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let updatedLeftInset = sideInsets + floor(contentWidth / 2.0) - 15.0 - sideInsets
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leftOffset = contentLeftInset - updatedLeftInset
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contentLeftInset = updatedLeftInset
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}
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let backgroundFrame = CGRect(origin: CGPoint(x: sideInsets + leftOffset, y: size.height - 55.0 + 4.0), size: CGSize(width: contentWidth, height: 55.0))
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let backgroundLeftFrame = CGRect(origin: backgroundFrame.origin, size: CGSize(width: contentLeftInset, height: backgroundFrame.size.height - 10.0 + UIScreenPixel))
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let backgroundCenterFrame = CGRect(origin: CGPoint(x: backgroundLeftFrame.maxX, y: backgroundFrame.minY), size: CGSize(width: 30.0, height: 55.0))
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let backgroundRightFrame = CGRect(origin: CGPoint(x: backgroundCenterFrame.maxX, y: backgroundFrame.minY), size: CGSize(width: max(0.0, backgroundFrame.minX + backgroundFrame.size.width - backgroundCenterFrame.maxX), height: backgroundFrame.size.height - 10.0 + UIScreenPixel))
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transition.updateFrame(node: self.backgroundLeftNode, frame: backgroundLeftFrame)
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transition.updateFrame(node: self.backgroundNode, frame: backgroundCenterFrame)
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transition.updateFrame(node: self.backgroundRightNode, frame: backgroundRightFrame)
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let gridFrame = CGRect(origin: CGPoint(x: backgroundFrame.minX, y: backgroundFrame.minY + 2.0), size: CGSize(width: backgroundFrame.size.width, height: 45.0))
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transition.updateFrame(node: self.clippingNode, frame: gridFrame)
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self.listView.frame = CGRect(origin: CGPoint(), size: CGSize(width: gridFrame.size.height, height: gridFrame.size.width))
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let gridBounds = self.listView.bounds
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self.listView.bounds = CGRect(x: gridBounds.minX, y: gridBounds.minY, width: gridFrame.size.height, height: gridFrame.size.width)
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self.listView.position = CGPoint(x: gridFrame.size.width / 2.0, y: gridFrame.size.height / 2.0)
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let updateSizeAndInsets = ListViewUpdateSizeAndInsets(size: CGSize(width: gridFrame.size.height, height: gridFrame.size.width), insets: UIEdgeInsets(top: 3.0, left: 0.0, bottom: 3.0, right: 0.0), duration: 0.0, curve: .Default(duration: 0.0))
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self.listView.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: nil, updateSizeAndInsets: updateSizeAndInsets, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in })
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if !hadValidLayout {
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while !self.enqueuedTransitions.isEmpty {
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self.dequeueTransition()
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}
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self.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
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}
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if self.theme !== interfaceState.theme {
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self.theme = interfaceState.theme
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let updatedEntries = self.currentEntries?.map({$0.withUpdatedTheme(interfaceState.theme)}) ?? []
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self.prepareTransition(from: self.currentEntries, to: updatedEntries)
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}
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}
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override func animateOut(completion: @escaping () -> Void) {
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self.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, removeOnCompletion: false, completion: { _ in
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completion()
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})
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}
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override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
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if !self.clippingNode.frame.contains(point) {
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return nil
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}
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return super.hitTest(point, with: event)
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}
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}
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