mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
329 lines
14 KiB
Swift
329 lines
14 KiB
Swift
import Foundation
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import UIKit
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import Display
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import TelegramCore
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import SwiftSignalKit
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import AsyncDisplayKit
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import Postbox
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import StickerResources
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import AccountContext
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import AnimatedStickerNode
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import TelegramAnimatedStickerNode
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import TelegramPresentationData
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import ShimmerEffect
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final class StickerPackPreviewInteraction {
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var previewedItem: StickerPreviewPeekItem?
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var playAnimatedStickers: Bool
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init(playAnimatedStickers: Bool) {
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self.playAnimatedStickers = playAnimatedStickers
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}
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}
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final class StickerPackPreviewGridItem: GridItem {
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let account: Account
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let stickerItem: StickerPackItem?
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let interaction: StickerPackPreviewInteraction
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let theme: PresentationTheme
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let isPremium: Bool
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let isLocked: Bool
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let isEmpty: Bool
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let section: GridSection? = nil
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init(account: Account, stickerItem: StickerPackItem?, interaction: StickerPackPreviewInteraction, theme: PresentationTheme, isPremium: Bool, isLocked: Bool, isEmpty: Bool) {
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self.account = account
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self.stickerItem = stickerItem
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self.interaction = interaction
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self.theme = theme
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self.isPremium = isPremium
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self.isLocked = isLocked
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self.isEmpty = isEmpty
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}
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func node(layout: GridNodeLayout, synchronousLoad: Bool) -> GridItemNode {
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let node = StickerPackPreviewGridItemNode()
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node.setup(account: self.account, stickerItem: self.stickerItem, interaction: self.interaction, theme: self.theme, isLocked: self.isLocked, isEmpty: self.isEmpty)
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return node
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}
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func update(node: GridItemNode) {
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guard let node = node as? StickerPackPreviewGridItemNode else {
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assertionFailure()
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return
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}
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node.setup(account: self.account, stickerItem: self.stickerItem, interaction: self.interaction, theme: self.theme, isLocked: self.isLocked, isEmpty: self.isEmpty)
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}
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}
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private let textFont = Font.regular(20.0)
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final class StickerPackPreviewGridItemNode: GridItemNode {
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private var currentState: (Account, StickerPackItem?)?
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private var isLocked: Bool?
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private var isEmpty: Bool?
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private let imageNode: TransformImageNode
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private var animationNode: AnimatedStickerNode?
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private var placeholderNode: StickerShimmerEffectNode
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private var lockBackground: UIImageView?
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private var theme: PresentationTheme?
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override var isVisibleInGrid: Bool {
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didSet {
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let visibility = self.isVisibleInGrid && (self.interaction?.playAnimatedStickers ?? true)
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if visibility && self.setupTimestamp == nil {
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self.setupTimestamp = CACurrentMediaTime()
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}
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if let animationNode = self.animationNode {
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animationNode.visibility = visibility
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}
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}
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}
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private var currentIsPreviewing = false
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private let stickerFetchedDisposable = MetaDisposable()
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private let effectFetchedDisposable = MetaDisposable()
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var interaction: StickerPackPreviewInteraction?
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var selected: (() -> Void)?
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var stickerPackItem: StickerPackItem? {
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return self.currentState?.1
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}
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override init() {
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self.imageNode = TransformImageNode()
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self.imageNode.isLayerBacked = !smartInvertColorsEnabled()
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self.placeholderNode = StickerShimmerEffectNode()
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self.placeholderNode.isUserInteractionEnabled = false
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super.init()
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self.addSubnode(self.imageNode)
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self.addSubnode(self.placeholderNode)
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var firstTime = true
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self.imageNode.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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if let stickerItem = strongSelf.currentState?.1 {
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if stickerItem.file.isVideoSticker || stickerItem.file.isAnimatedSticker {
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strongSelf.removePlaceholder(animated: !firstTime)
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} else {
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let current = CACurrentMediaTime()
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if let setupTimestamp = strongSelf.setupTimestamp, current - setupTimestamp > 0.3 {
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strongSelf.removePlaceholder(animated: true)
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} else {
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strongSelf.removePlaceholder(animated: false)
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}
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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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}
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deinit {
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self.stickerFetchedDisposable.dispose()
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self.effectFetchedDisposable.dispose()
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}
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private func removePlaceholder(animated: Bool) {
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guard self.placeholderNode.alpha != 0 else {
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return
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}
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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.allowsGroupOpacity = true
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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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self?.placeholderNode.allowsGroupOpacity = false
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})
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}
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}
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override func didLoad() {
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super.didLoad()
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self.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.imageNodeTap(_:))))
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}
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private var setupTimestamp: Double?
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func setup(account: Account, stickerItem: StickerPackItem?, interaction: StickerPackPreviewInteraction, theme: PresentationTheme, isLocked: Bool, isEmpty: Bool) {
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self.interaction = interaction
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self.theme = theme
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if self.currentState == nil || self.currentState!.0 !== account || self.currentState!.1 != stickerItem || self.isLocked != isLocked || self.isEmpty != isEmpty {
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self.isLocked = isLocked
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if isLocked {
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let lockBackground: UIImageView
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if let currentBackground = self.lockBackground {
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lockBackground = currentBackground
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} else {
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lockBackground = UIImageView()
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lockBackground.clipsToBounds = true
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lockBackground.isUserInteractionEnabled = false
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lockBackground.image = UIImage(bundleImageName: "Premium/StickerIcon")
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self.lockBackground = lockBackground
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self.view.addSubview(lockBackground)
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}
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} else if let lockBackground = self.lockBackground {
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self.lockBackground = nil
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lockBackground.removeFromSuperview()
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}
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if let stickerItem = stickerItem {
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let visibility = self.isVisibleInGrid && self.interaction?.playAnimatedStickers ?? true
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if visibility && self.setupTimestamp == nil {
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self.setupTimestamp = CACurrentMediaTime()
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}
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if stickerItem.file.isAnimatedSticker || stickerItem.file.isVideoSticker {
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let dimensions = stickerItem.file.dimensions ?? PixelDimensions(width: 512, height: 512)
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if stickerItem.file.isVideoSticker {
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self.imageNode.setSignal(chatMessageSticker(account: account, file: stickerItem.file, small: true))
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} else {
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self.imageNode.setSignal(chatMessageAnimatedSticker(postbox: account.postbox, file: stickerItem.file, small: false, size: dimensions.cgSize.aspectFitted(CGSize(width: 160.0, height: 160.0))))
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}
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if self.animationNode == nil {
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let animationNode = AnimatedStickerNode()
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self.animationNode = animationNode
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self.insertSubnode(animationNode, aboveSubnode: self.imageNode)
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animationNode.started = { [weak self] in
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guard let strongSelf = self else {
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return
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}
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self?.imageNode.isHidden = true
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let current = CACurrentMediaTime()
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if let setupTimestamp = strongSelf.setupTimestamp, current - setupTimestamp > 0.3 {
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if !strongSelf.placeholderNode.alpha.isZero {
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strongSelf.removePlaceholder(animated: true)
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}
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} else {
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strongSelf.removePlaceholder(animated: false)
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}
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}
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}
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let fittedDimensions = dimensions.cgSize.aspectFitted(CGSize(width: 160.0, height: 160.0))
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self.animationNode?.setup(source: AnimatedStickerResourceSource(account: account, resource: stickerItem.file.resource, isVideo: stickerItem.file.isVideoSticker), width: Int(fittedDimensions.width), height: Int(fittedDimensions.height), mode: .cached)
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self.animationNode?.visibility = visibility
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self.stickerFetchedDisposable.set(freeMediaFileResourceInteractiveFetched(account: account, fileReference: stickerPackFileReference(stickerItem.file), resource: stickerItem.file.resource).start())
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if stickerItem.file.isPremiumSticker, let effect = stickerItem.file.videoThumbnails.first {
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self.effectFetchedDisposable.set(freeMediaFileResourceInteractiveFetched(account: account, fileReference: stickerPackFileReference(stickerItem.file), resource: effect.resource).start())
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}
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} else {
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if let animationNode = self.animationNode {
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animationNode.visibility = false
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self.animationNode = nil
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animationNode.removeFromSupernode()
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}
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self.imageNode.setSignal(chatMessageSticker(account: account, file: stickerItem.file, small: true))
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self.stickerFetchedDisposable.set(freeMediaFileResourceInteractiveFetched(account: account, fileReference: stickerPackFileReference(stickerItem.file), resource: chatMessageStickerResource(file: stickerItem.file, small: true)).start())
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}
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} else {
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if isEmpty {
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if !self.placeholderNode.alpha.isZero {
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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)
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}
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} else {
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self.placeholderNode.alpha = 1.0
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}
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}
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self.animationNode?.alpha = isLocked ? 0.5 : 1.0
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self.currentState = (account, stickerItem)
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self.setNeedsLayout()
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}
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self.isEmpty = isEmpty
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}
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override func layout() {
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super.layout()
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let bounds = self.bounds
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let boundsSide = min(bounds.size.width - 14.0, bounds.size.height - 14.0)
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let boundingSize = CGSize(width: boundsSide, height: boundsSide)
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if let (_, item) = self.currentState {
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if let item = item, let dimensions = item.file.dimensions?.cgSize {
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let imageSize = dimensions.aspectFitted(boundingSize)
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let imageFrame = CGRect(origin: CGPoint(x: floor((bounds.size.width - imageSize.width) / 2.0), y: (bounds.size.height - imageSize.height) / 2.0), size: imageSize)
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self.imageNode.asyncLayout()(TransformImageArguments(corners: ImageCorners(), imageSize: imageSize, boundingSize: imageSize, intrinsicInsets: UIEdgeInsets()))()
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self.imageNode.frame = imageFrame
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if let animationNode = self.animationNode {
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animationNode.frame = imageFrame
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animationNode.updateLayout(size: imageSize)
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}
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}
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}
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let imageFrame = self.imageNode.frame
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let placeholderFrame = imageFrame
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self.placeholderNode.frame = imageFrame
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if let theme = self.theme, let (_, stickerItem) = self.currentState, let item = stickerItem {
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self.placeholderNode.update(backgroundColor: theme.list.itemBlocksBackgroundColor, foregroundColor: theme.list.mediaPlaceholderColor, shimmeringColor: theme.list.itemBlocksBackgroundColor.withAlphaComponent(0.4), data: item.file.immediateThumbnailData, size: placeholderFrame.size)
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}
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if let lockBackground = self.lockBackground {
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let lockSize = CGSize(width: 32.0, height: 32.0)
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let lockBackgroundFrame = CGRect(origin: CGPoint(x: floorToScreenPixels((bounds.width - lockSize.width) / 2.0), y: bounds.height - lockSize.height - 6.0), size: lockSize)
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lockBackground.frame = lockBackgroundFrame
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}
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}
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override func updateAbsoluteRect(_ absoluteRect: CGRect, within containerSize: CGSize) {
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self.placeholderNode.updateAbsoluteRect(absoluteRect, within: containerSize)
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}
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func transitionNode() -> ASDisplayNode? {
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return self
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}
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@objc func imageNodeTap(_ recognizer: UITapGestureRecognizer) {
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}
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func updatePreviewing(animated: Bool) {
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var isPreviewing = false
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if let (_, maybeItem) = self.currentState, let interaction = self.interaction, let item = maybeItem {
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isPreviewing = interaction.previewedItem == .pack(item)
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}
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if self.currentIsPreviewing != isPreviewing {
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self.currentIsPreviewing = isPreviewing
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if isPreviewing {
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self.layer.sublayerTransform = CATransform3DMakeScale(0.8, 0.8, 1.0)
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if animated {
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self.layer.animateSpring(from: 1.0 as NSNumber, to: 0.8 as NSNumber, keyPath: "sublayerTransform.scale", duration: 0.4)
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}
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} else {
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self.layer.sublayerTransform = CATransform3DIdentity
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if animated {
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self.layer.animateSpring(from: 0.8 as NSNumber, to: 1.0 as NSNumber, keyPath: "sublayerTransform.scale", duration: 0.5)
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}
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}
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}
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}
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}
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