mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
587 lines
28 KiB
Swift
587 lines
28 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 SwiftSignalKit
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import Postbox
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import TelegramCore
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import TelegramPresentationData
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import MergeLists
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import TelegramUIPreferences
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import ItemListUI
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import PresentationDataUtils
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import WallpaperResources
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import AccountContext
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import AppBundle
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import ContextUI
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import AnimatedStickerNode
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import TelegramAnimatedStickerNode
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import ShimmerEffect
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import StickerResources
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private var cachedBorderImages: [String: UIImage] = [:]
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private func generateBorderImage(theme: PresentationTheme, bordered: Bool, selected: Bool) -> UIImage? {
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let key = "\(theme.list.itemBlocksBackgroundColor.hexString)_\(selected ? "s" + theme.list.itemAccentColor.hexString : theme.list.disclosureArrowColor.hexString)"
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if let image = cachedBorderImages[key] {
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return image
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} else {
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let image = generateImage(CGSize(width: 18.0, height: 18.0), rotatedContext: { size, context in
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let bounds = CGRect(origin: CGPoint(), size: size)
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context.clear(bounds)
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let lineWidth: CGFloat
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if selected {
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lineWidth = 2.0
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context.setLineWidth(lineWidth)
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context.setStrokeColor(theme.list.itemBlocksBackgroundColor.cgColor)
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context.strokeEllipse(in: bounds.insetBy(dx: 3.0 + lineWidth / 2.0, dy: 3.0 + lineWidth / 2.0))
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var accentColor = theme.list.itemAccentColor
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if accentColor.rgb == 0xffffff {
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accentColor = UIColor(rgb: 0x999999)
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}
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context.setStrokeColor(accentColor.cgColor)
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} else {
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context.setStrokeColor(theme.list.disclosureArrowColor.withAlphaComponent(0.4).cgColor)
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lineWidth = 1.0
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}
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if bordered || selected {
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context.setLineWidth(lineWidth)
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context.strokeEllipse(in: bounds.insetBy(dx: 1.0 + lineWidth / 2.0, dy: 1.0 + lineWidth / 2.0))
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}
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})?.stretchableImage(withLeftCapWidth: 9, topCapHeight: 9)
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cachedBorderImages[key] = image
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return image
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}
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}
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private final class ThemeGridThemeItemIconNode : ASDisplayNode {
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private let containerNode: ASDisplayNode
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private let emojiContainerNode: ASDisplayNode
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private let imageNode: TransformImageNode
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private let overlayNode: ASImageNode
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private let textNode: TextNode
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private let emojiNode: TextNode
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private let emojiImageNode: TransformImageNode
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private var animatedStickerNode: AnimatedStickerNode?
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private var placeholderNode: StickerShimmerEffectNode
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var snapshotView: UIView?
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private let stickerFetchedDisposable = MetaDisposable()
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private var item: ThemeCarouselThemeIconItem?
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private var size: CGSize?
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override init() {
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self.containerNode = ASDisplayNode()
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self.emojiContainerNode = ASDisplayNode()
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self.imageNode = TransformImageNode()
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self.imageNode.isLayerBacked = true
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self.imageNode.cornerRadius = 8.0
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self.imageNode.clipsToBounds = true
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self.overlayNode = ASImageNode()
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self.overlayNode.isLayerBacked = true
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self.textNode = TextNode()
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self.textNode.isUserInteractionEnabled = false
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self.textNode.displaysAsynchronously = false
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self.emojiNode = TextNode()
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self.emojiNode.isUserInteractionEnabled = false
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self.emojiNode.displaysAsynchronously = false
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self.emojiImageNode = TransformImageNode()
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self.placeholderNode = StickerShimmerEffectNode()
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super.init()
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self.addSubnode(self.containerNode)
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self.containerNode.addSubnode(self.imageNode)
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self.containerNode.addSubnode(self.overlayNode)
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self.containerNode.addSubnode(self.textNode)
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self.addSubnode(self.emojiContainerNode)
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self.emojiContainerNode.addSubnode(self.emojiNode)
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self.emojiContainerNode.addSubnode(self.emojiImageNode)
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self.emojiContainerNode.addSubnode(self.placeholderNode)
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var firstTime = true
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self.emojiImageNode.imageUpdated = { [weak self] image in
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guard let strongSelf = self else {
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return
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}
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if image != nil {
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strongSelf.removePlaceholder(animated: !firstTime)
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if firstTime {
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strongSelf.emojiImageNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
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}
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}
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firstTime = false
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}
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}
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deinit {
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self.stickerFetchedDisposable.dispose()
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}
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override func didLoad() {
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super.didLoad()
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self.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.tap)))
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}
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@objc private func tap() {
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guard let item = self.item else {
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return
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}
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item.action(item.themeReference)
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}
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private func removePlaceholder(animated: Bool) {
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if !animated {
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self.placeholderNode.removeFromSupernode()
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} else {
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self.placeholderNode.alpha = 0.0
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self.placeholderNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, completion: { [weak self] _ in
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self?.placeholderNode.removeFromSupernode()
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})
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}
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}
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// override func updateAbsoluteRect(_ rect: CGRect, within containerSize: CGSize) {
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// let emojiFrame = CGRect(origin: CGPoint(x: 33.0, y: 79.0), size: CGSize(width: 24.0, height: 24.0))
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// self.placeholderNode.updateAbsoluteRect(CGRect(origin: CGPoint(x: rect.minX + emojiFrame.minX, y: rect.minY + emojiFrame.minY), size: emojiFrame.size), within: containerSize)
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// }
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func setup(item: ThemeCarouselThemeIconItem, size: CGSize) {
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let currentItem = self.item
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let currentSize = self.size
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self.item = item
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self.size = size
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let makeTextLayout = TextNode.asyncLayout(self.textNode)
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let makeEmojiLayout = TextNode.asyncLayout(self.emojiNode)
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let makeImageLayout = self.imageNode.asyncLayout()
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var updatedThemeReference = false
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var updatedTheme = false
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var updatedNightMode = false
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var updatedWallpaper = false
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var updatedSelected = false
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let updatedSize = currentSize != size
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if currentItem?.themeReference != item.themeReference {
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updatedThemeReference = true
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}
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if currentItem?.nightMode != item.nightMode {
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updatedNightMode = true
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}
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if currentItem?.wallpaper != item.wallpaper {
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updatedWallpaper = true
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}
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if currentItem?.theme !== item.theme {
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updatedTheme = true
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}
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if currentItem?.selected != item.selected {
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updatedSelected = true
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}
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let string: String?
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if let _ = item.themeReference.emoticon {
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string = nil
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} else {
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string = themeDisplayName(strings: item.strings, reference: item.themeReference)
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}
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let text = NSAttributedString(string: string ?? item.strings.Conversation_Theme_NoTheme, font: Font.bold(14.0), textColor: .white)
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let (textLayout, textApply) = makeTextLayout(TextNodeLayoutArguments(attributedString: text, backgroundColor: nil, maximumNumberOfLines: 2, truncationType: .end, constrainedSize: CGSize(width: 70.0, height: CGFloat.greatestFiniteMagnitude), alignment: .center, cutout: nil, insets: UIEdgeInsets()))
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let title = NSAttributedString(string: "", font: Font.regular(22.0), textColor: .black)
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let (_, emojiApply) = makeEmojiLayout(TextNodeLayoutArguments(attributedString: title, backgroundColor: nil, maximumNumberOfLines: 1, truncationType: .end, constrainedSize: CGSize(width: size.width, height: CGFloat.greatestFiniteMagnitude), alignment: .center, cutout: nil, insets: UIEdgeInsets()))
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if updatedThemeReference || updatedWallpaper || updatedNightMode || updatedSize {
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var themeReference = item.themeReference
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if case .builtin = themeReference, item.nightMode {
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themeReference = .builtin(.night)
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}
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let color = item.themeSpecificAccentColors[themeReference.index]
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let wallpaper = item.themeSpecificChatWallpapers[themeReference.index]
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self.imageNode.setSignal(themeIconImage(account: item.context.account, accountManager: item.context.sharedContext.accountManager, theme: themeReference, color: color, wallpaper: wallpaper ?? item.wallpaper, nightMode: item.nightMode, emoticon: true, large: true))
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self.imageNode.backgroundColor = nil
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}
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if updatedTheme || updatedSelected {
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self.overlayNode.image = generateBorderImage(theme: item.theme, bordered: false, selected: item.selected)
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}
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if !item.selected && currentItem?.selected == true, let animatedStickerNode = self.animatedStickerNode {
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animatedStickerNode.transform = CATransform3DIdentity
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let initialScale: CGFloat = CGFloat((animatedStickerNode.value(forKeyPath: "layer.presentationLayer.transform.scale.x") as? NSNumber)?.floatValue ?? 1.0)
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animatedStickerNode.layer.animateSpring(from: initialScale as NSNumber, to: 1.0 as NSNumber, keyPath: "transform.scale", duration: 0.45)
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}
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self.textNode.frame = CGRect(origin: CGPoint(x: floorToScreenPixels((90.0 - textLayout.size.width) / 2.0), y: 83.0), size: textLayout.size)
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self.textNode.isHidden = string == nil
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self.containerNode.frame = CGRect(origin: CGPoint(), size: size)
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self.emojiContainerNode.frame = CGRect(origin: CGPoint(), size: size)
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let _ = textApply()
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let _ = emojiApply()
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let imageSize = size
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self.imageNode.frame = CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: imageSize)
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let applyLayout = makeImageLayout(TransformImageArguments(corners: ImageCorners(), imageSize: imageSize, boundingSize: imageSize, intrinsicInsets: UIEdgeInsets(), emptyColor: .clear))
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applyLayout()
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self.overlayNode.frame = self.imageNode.frame.insetBy(dx: -1.0, dy: -1.0)
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self.emojiNode.frame = CGRect(origin: CGPoint(x: 0.0, y: 79.0), size: CGSize(width: 90.0, height: 30.0))
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let emojiFrame = CGRect(origin: CGPoint(x: floorToScreenPixels((size.width - 42.0) / 2.0), y: 98.0), size: CGSize(width: 42.0, height: 42.0))
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if let file = item.emojiFile, currentItem == nil {
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let imageApply = self.emojiImageNode.asyncLayout()(TransformImageArguments(corners: ImageCorners(), imageSize: emojiFrame.size, boundingSize: emojiFrame.size, intrinsicInsets: UIEdgeInsets()))
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imageApply()
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self.emojiImageNode.setSignal(chatMessageStickerPackThumbnail(postbox: item.context.account.postbox, resource: file.resource, animated: true, nilIfEmpty: true))
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self.emojiImageNode.frame = emojiFrame
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let animatedStickerNode: AnimatedStickerNode
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if let current = self.animatedStickerNode {
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animatedStickerNode = current
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} else {
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animatedStickerNode = AnimatedStickerNode()
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animatedStickerNode.started = { [weak self] in
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self?.emojiImageNode.isHidden = true
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}
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self.animatedStickerNode = animatedStickerNode
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self.emojiContainerNode.insertSubnode(animatedStickerNode, belowSubnode: self.placeholderNode)
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let pathPrefix = item.context.account.postbox.mediaBox.shortLivedResourceCachePathPrefix(file.resource.id)
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animatedStickerNode.setup(source: AnimatedStickerResourceSource(account: item.context.account, resource: file.resource), width: 128, height: 128, playbackMode: .still(.start), mode: .direct(cachePathPrefix: pathPrefix))
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animatedStickerNode.anchorPoint = CGPoint(x: 0.5, y: 1.0)
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}
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animatedStickerNode.autoplay = true
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animatedStickerNode.visibility = true
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self.stickerFetchedDisposable.set(fetchedMediaResource(mediaBox: item.context.account.postbox.mediaBox, reference: MediaResourceReference.media(media: .standalone(media: file), resource: file.resource)).start())
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let thumbnailDimensions = PixelDimensions(width: 512, height: 512)
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self.placeholderNode.update(backgroundColor: nil, foregroundColor: UIColor(rgb: 0xffffff, alpha: 0.2), shimmeringColor: UIColor(rgb: 0xffffff, alpha: 0.3), data: file.immediateThumbnailData, size: emojiFrame.size, imageSize: thumbnailDimensions.cgSize)
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self.placeholderNode.frame = emojiFrame
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}
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if let animatedStickerNode = self.animatedStickerNode {
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animatedStickerNode.frame = emojiFrame
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animatedStickerNode.updateLayout(size: emojiFrame.size)
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}
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}
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func crossfade() {
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// if let snapshotView = self.containerNode.view.snapshotView(afterScreenUpdates: false) {
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// snapshotView.transform = self.containerNode.view.transform
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// snapshotView.frame = self.containerNode.view.frame
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// self.view.insertSubview(snapshotView, aboveSubview: self.containerNode.view)
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//
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// snapshotView.layer.animateAlpha(from: 1.0, to: 0.0, duration: ChatThemeScreen.themeCrossfadeDuration, delay: ChatThemeScreen.themeCrossfadeDelay, timingFunction: CAMediaTimingFunctionName.linear.rawValue, removeOnCompletion: false, completion: { [weak snapshotView] _ in
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// snapshotView?.removeFromSuperview()
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// })
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// }
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}
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}
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class ThemeGridThemeItem: ListViewItem, ItemListItem {
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var sectionId: ItemListSectionId
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let context: AccountContext
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let theme: PresentationTheme
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let strings: PresentationStrings
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let themes: [PresentationThemeReference]
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let animatedEmojiStickers: [String: [StickerPackItem]]
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let themeSpecificAccentColors: [Int64: PresentationThemeAccentColor]
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let themeSpecificChatWallpapers: [Int64: TelegramWallpaper]
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let nightMode: Bool
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let currentTheme: PresentationThemeReference
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let updatedTheme: (PresentationThemeReference) -> Void
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let contextAction: ((PresentationThemeReference, ASDisplayNode, ContextGesture?) -> Void)?
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let tag: ItemListItemTag?
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init(context: AccountContext, theme: PresentationTheme, strings: PresentationStrings, sectionId: ItemListSectionId, themes: [PresentationThemeReference], animatedEmojiStickers: [String: [StickerPackItem]], themeSpecificAccentColors: [Int64: PresentationThemeAccentColor], themeSpecificChatWallpapers: [Int64: TelegramWallpaper], nightMode: Bool, currentTheme: PresentationThemeReference, updatedTheme: @escaping (PresentationThemeReference) -> Void, contextAction: ((PresentationThemeReference, ASDisplayNode, ContextGesture?) -> Void)?, tag: ItemListItemTag? = nil) {
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self.context = context
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self.theme = theme
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self.strings = strings
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self.themes = themes
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self.animatedEmojiStickers = animatedEmojiStickers
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self.themeSpecificAccentColors = themeSpecificAccentColors
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self.themeSpecificChatWallpapers = themeSpecificChatWallpapers
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self.nightMode = nightMode
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self.currentTheme = currentTheme
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self.updatedTheme = updatedTheme
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self.contextAction = contextAction
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self.tag = tag
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self.sectionId = sectionId
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}
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func nodeConfiguredForParams(async: @escaping (@escaping () -> Void) -> Void, params: ListViewItemLayoutParams, synchronousLoads: Bool, previousItem: ListViewItem?, nextItem: ListViewItem?, completion: @escaping (ListViewItemNode, @escaping () -> (Signal<Void, NoError>?, (ListViewItemApply) -> Void)) -> Void) {
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async {
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let node = ThemeGridThemeItemNode()
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let (layout, apply) = node.asyncLayout()(self, params, itemListNeighbors(item: self, topItem: previousItem as? ItemListItem, bottomItem: nextItem as? ItemListItem))
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node.contentSize = layout.contentSize
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node.insets = layout.insets
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Queue.mainQueue().async {
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completion(node, {
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return (nil, { _ in apply() })
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})
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}
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}
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}
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func updateNode(async: @escaping (@escaping () -> Void) -> Void, node: @escaping () -> ListViewItemNode, params: ListViewItemLayoutParams, previousItem: ListViewItem?, nextItem: ListViewItem?, animation: ListViewItemUpdateAnimation, completion: @escaping (ListViewItemNodeLayout, @escaping (ListViewItemApply) -> Void) -> Void) {
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Queue.mainQueue().async {
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if let nodeValue = node() as? ThemeGridThemeItemNode {
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let makeLayout = nodeValue.asyncLayout()
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async {
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let (layout, apply) = makeLayout(self, params, itemListNeighbors(item: self, topItem: previousItem as? ItemListItem, bottomItem: nextItem as? ItemListItem))
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Queue.mainQueue().async {
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completion(layout, { _ in
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apply()
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})
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}
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}
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}
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}
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}
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}
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class ThemeGridThemeItemNode: ListViewItemNode, ItemListItemNode {
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private let containerNode: ASDisplayNode
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private let backgroundNode: ASDisplayNode
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private let topStripeNode: ASDisplayNode
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private let bottomStripeNode: ASDisplayNode
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private let maskNode: ASImageNode
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private var snapshotView: UIView?
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private let scrollNode: ASScrollNode
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private var items: [ThemeCarouselThemeIconItem]?
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private var itemNodes: [Int64: ThemeGridThemeItemIconNode] = [:]
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private var initialized = false
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private var item: ThemeGridThemeItem?
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private var layoutParams: ListViewItemLayoutParams?
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var tag: ItemListItemTag? {
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return self.item?.tag
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}
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init() {
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self.containerNode = ASDisplayNode()
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self.backgroundNode = ASDisplayNode()
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self.backgroundNode.isLayerBacked = true
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self.topStripeNode = ASDisplayNode()
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self.topStripeNode.isLayerBacked = true
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self.bottomStripeNode = ASDisplayNode()
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self.bottomStripeNode.isLayerBacked = true
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self.maskNode = ASImageNode()
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self.scrollNode = ASScrollNode()
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super.init(layerBacked: false, dynamicBounce: false)
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self.addSubnode(self.containerNode)
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self.addSubnode(self.scrollNode)
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}
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func asyncLayout() -> (_ item: ThemeGridThemeItem, _ params: ListViewItemLayoutParams, _ neighbors: ItemListNeighbors) -> (ListViewItemNodeLayout, () -> Void) {
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return { item, params, neighbors in
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let contentSize: CGSize
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let insets: UIEdgeInsets
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let separatorHeight = UIScreenPixel
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let minSpacing: CGFloat = 6.0
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let referenceImageSize: CGSize
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let screenWidth = min(params.width, params.availableHeight)
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if screenWidth >= 390.0 {
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referenceImageSize = CGSize(width: 110.0, height: 150.0)
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} else {
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referenceImageSize = CGSize(width: 90.0, height: 150.0)
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}
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let totalWidth = params.width - params.leftInset - params.rightInset
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let imageCount = Int((totalWidth - minSpacing) / (referenceImageSize.width + minSpacing))
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var itemSize = referenceImageSize.aspectFilled(CGSize(width: floorToScreenPixels((totalWidth - CGFloat(imageCount + 1) * minSpacing) / CGFloat(imageCount)), height: referenceImageSize.height))
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itemSize.height = referenceImageSize.height
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let itemSpacing = floorToScreenPixels((totalWidth - CGFloat(imageCount) * itemSize.width) / CGFloat(imageCount + 1))
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var spacingOffset: CGFloat = 0.0
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if totalWidth - CGFloat(imageCount) * itemSize.width - CGFloat(imageCount + 1) * itemSpacing == 1.0 {
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spacingOffset = UIScreenPixel
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}
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let rows = ceil(CGFloat(item.themes.count) / CGFloat(imageCount))
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contentSize = CGSize(width: params.width, height: minSpacing + rows * (itemSize.height + itemSpacing))
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insets = itemListNeighborsGroupedInsets(neighbors, params)
|
|
|
|
let layout = ListViewItemNodeLayout(contentSize: contentSize, insets: insets)
|
|
let layoutSize = layout.size
|
|
|
|
return (layout, { [weak self] in
|
|
if let strongSelf = self {
|
|
strongSelf.item = item
|
|
strongSelf.layoutParams = params
|
|
|
|
strongSelf.backgroundNode.backgroundColor = item.theme.list.itemBlocksBackgroundColor
|
|
strongSelf.topStripeNode.backgroundColor = item.theme.list.itemBlocksSeparatorColor
|
|
strongSelf.bottomStripeNode.backgroundColor = item.theme.list.itemBlocksSeparatorColor
|
|
|
|
if strongSelf.backgroundNode.supernode == nil {
|
|
strongSelf.containerNode.insertSubnode(strongSelf.backgroundNode, at: 0)
|
|
}
|
|
if strongSelf.topStripeNode.supernode == nil {
|
|
strongSelf.containerNode.insertSubnode(strongSelf.topStripeNode, at: 1)
|
|
}
|
|
if strongSelf.bottomStripeNode.supernode == nil {
|
|
strongSelf.containerNode.insertSubnode(strongSelf.bottomStripeNode, at: 2)
|
|
}
|
|
if strongSelf.maskNode.supernode == nil {
|
|
strongSelf.containerNode.insertSubnode(strongSelf.maskNode, at: 3)
|
|
}
|
|
|
|
let hasCorners = itemListHasRoundedBlockLayout(params)
|
|
var hasTopCorners = false
|
|
var hasBottomCorners = false
|
|
switch neighbors.top {
|
|
case .sameSection(false):
|
|
strongSelf.topStripeNode.isHidden = true
|
|
default:
|
|
hasTopCorners = true
|
|
strongSelf.topStripeNode.isHidden = hasCorners
|
|
}
|
|
let bottomStripeInset: CGFloat
|
|
let bottomStripeOffset: CGFloat
|
|
switch neighbors.bottom {
|
|
case .sameSection(false):
|
|
bottomStripeInset = params.leftInset + 16.0
|
|
bottomStripeOffset = -separatorHeight
|
|
default:
|
|
bottomStripeInset = 0.0
|
|
bottomStripeOffset = 0.0
|
|
hasBottomCorners = true
|
|
strongSelf.bottomStripeNode.isHidden = hasCorners
|
|
}
|
|
|
|
strongSelf.containerNode.frame = CGRect(x: 0.0, y: 0.0, width: contentSize.width, height: contentSize.height)
|
|
strongSelf.maskNode.image = hasCorners ? PresentationResourcesItemList.cornersImage(item.theme, top: hasTopCorners, bottom: hasBottomCorners) : nil
|
|
|
|
strongSelf.backgroundNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -min(insets.top, separatorHeight)), size: CGSize(width: params.width, height: contentSize.height + min(insets.top, separatorHeight) + min(insets.bottom, separatorHeight)))
|
|
strongSelf.maskNode.frame = strongSelf.backgroundNode.frame.insetBy(dx: params.leftInset, dy: 0.0)
|
|
strongSelf.topStripeNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -min(insets.top, separatorHeight)), size: CGSize(width: layoutSize.width, height: separatorHeight))
|
|
strongSelf.bottomStripeNode.frame = CGRect(origin: CGPoint(x: bottomStripeInset, y: contentSize.height + bottomStripeOffset), size: CGSize(width: layoutSize.width - bottomStripeInset, height: separatorHeight))
|
|
|
|
var validIds: [Int64] = []
|
|
var index = 0
|
|
for theme in item.themes {
|
|
let selected = item.currentTheme.index == theme.index
|
|
|
|
let iconItem = ThemeCarouselThemeIconItem(context: item.context, emojiFile: theme.emoticon.flatMap { item.animatedEmojiStickers[$0]?.first?.file }, themeReference: theme, nightMode: item.nightMode, themeSpecificAccentColors: item.themeSpecificAccentColors, themeSpecificChatWallpapers: item.themeSpecificChatWallpapers, selected: selected, theme: item.theme, strings: item.strings, wallpaper: nil, action: { theme in
|
|
item.updatedTheme(theme)
|
|
}, contextAction: nil)
|
|
|
|
validIds.append(theme.index)
|
|
var itemNode: ThemeGridThemeItemIconNode
|
|
if let current = strongSelf.itemNodes[theme.index] {
|
|
itemNode = current
|
|
itemNode.setup(item: iconItem, size: itemSize)
|
|
} else {
|
|
let addedItemNode = ThemeGridThemeItemIconNode()
|
|
itemNode = addedItemNode
|
|
addedItemNode.setup(item: iconItem, size: itemSize)
|
|
strongSelf.itemNodes[theme.index] = addedItemNode
|
|
strongSelf.addSubnode(addedItemNode)
|
|
}
|
|
|
|
let col = CGFloat(index % imageCount)
|
|
let row = floor(CGFloat(index) / CGFloat(imageCount))
|
|
let itemFrame = CGRect(origin: CGPoint(x: params.leftInset + spacingOffset + itemSpacing + (itemSize.width + itemSpacing) * col, y: minSpacing + (itemSize.height + itemSpacing) * row), size: itemSize)
|
|
itemNode.frame = itemFrame
|
|
|
|
index += 1
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
override func animateInsertion(_ currentTimestamp: Double, duration: Double, short: Bool) {
|
|
self.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.4)
|
|
}
|
|
|
|
override func animateRemoved(_ currentTimestamp: Double, duration: Double) {
|
|
self.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, removeOnCompletion: false)
|
|
}
|
|
|
|
func prepareCrossfadeTransition() {
|
|
guard self.snapshotView == nil else {
|
|
return
|
|
}
|
|
|
|
if let snapshotView = self.containerNode.view.snapshotView(afterScreenUpdates: false) {
|
|
self.view.insertSubview(snapshotView, aboveSubview: self.containerNode.view)
|
|
self.snapshotView = snapshotView
|
|
}
|
|
|
|
// self.listNode.forEachVisibleItemNode { node in
|
|
// if let node = node as? ThemeCarouselThemeItemIconNode {
|
|
// node.prepareCrossfadeTransition()
|
|
// }
|
|
// }
|
|
}
|
|
|
|
func animateCrossfadeTransition() {
|
|
// guard self.snapshotView?.layer.animationKeys()?.isEmpty ?? true else {
|
|
// return
|
|
// }
|
|
//
|
|
// var views: [UIView] = []
|
|
// if let snapshotView = self.snapshotView {
|
|
// views.append(snapshotView)
|
|
// self.snapshotView = nil
|
|
// }
|
|
//
|
|
// self.listNode.forEachVisibleItemNode { node in
|
|
// if let node = node as? ThemeCarouselThemeItemIconNode {
|
|
// if let snapshotView = node.snapshotView {
|
|
// views.append(snapshotView)
|
|
// node.snapshotView = nil
|
|
// }
|
|
// }
|
|
// }
|
|
//
|
|
// UIView.animate(withDuration: 0.3, animations: {
|
|
// for view in views {
|
|
// view.alpha = 0.0
|
|
// }
|
|
// }, completion: { _ in
|
|
// for view in views {
|
|
// view.removeFromSuperview()
|
|
// }
|
|
// })
|
|
}
|
|
}
|