mirror of
https://github.com/Swiftgram/Telegram-iOS.git
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477 lines
27 KiB
Swift
477 lines
27 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 SyncCore
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import TelegramPresentationData
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import AccountContext
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import RadialStatusNode
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import ShareController
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import PhotoResources
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import GalleryUI
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import TelegramUniversalVideoContent
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private struct PeerAvatarImageGalleryThumbnailItem: GalleryThumbnailItem {
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let account: Account
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let peer: Peer
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let content: [ImageRepresentationWithReference]
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init(account: Account, peer: Peer, content: [ImageRepresentationWithReference]) {
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self.account = account
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self.peer = peer
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self.content = content
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}
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var image: (Signal<(TransformImageArguments) -> DrawingContext?, NoError>, CGSize) {
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if let representation = largestImageRepresentation(self.content.map({ $0.representation })) {
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return (avatarGalleryThumbnailPhoto(account: self.account, representations: self.content), representation.dimensions.cgSize)
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} else {
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return (.single({ _ in return nil }), CGSize(width: 128.0, height: 128.0))
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}
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}
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func isEqual(to: GalleryThumbnailItem) -> Bool {
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if let to = to as? PeerAvatarImageGalleryThumbnailItem {
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return self.content == to.content
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} else {
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return false
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}
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}
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}
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class PeerAvatarImageGalleryItem: GalleryItem {
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var id: AnyHashable {
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return self.entry.id
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}
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let context: AccountContext
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let peer: Peer
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let presentationData: PresentationData
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let entry: AvatarGalleryEntry
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let sourceHasRoundCorners: Bool
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let delete: (() -> Void)?
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let setMain: (() -> Void)?
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init(context: AccountContext, peer: Peer, presentationData: PresentationData, entry: AvatarGalleryEntry, sourceHasRoundCorners: Bool, delete: (() -> Void)?, setMain: (() -> Void)?) {
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self.context = context
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self.peer = peer
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self.presentationData = presentationData
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self.entry = entry
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self.sourceHasRoundCorners = sourceHasRoundCorners
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self.delete = delete
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self.setMain = setMain
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}
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func node(synchronous: Bool) -> GalleryItemNode {
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let node = PeerAvatarImageGalleryItemNode(context: self.context, presentationData: self.presentationData, peer: self.peer, sourceHasRoundCorners: self.sourceHasRoundCorners)
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if let indexData = self.entry.indexData {
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node._title.set(.single(self.presentationData.strings.Items_NOfM("\(indexData.position + 1)", "\(indexData.totalCount)").0))
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}
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node.setEntry(self.entry, synchronous: synchronous)
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node.footerContentNode.delete = self.delete
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node.footerContentNode.setMain = self.setMain
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return node
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}
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func updateNode(node: GalleryItemNode, synchronous: Bool) {
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if let node = node as? PeerAvatarImageGalleryItemNode {
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if let indexData = self.entry.indexData {
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node._title.set(.single(self.presentationData.strings.Items_NOfM("\(indexData.position + 1)", "\(indexData.totalCount)").0))
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}
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node.setEntry(self.entry, synchronous: synchronous)
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node.footerContentNode.delete = self.delete
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node.footerContentNode.setMain = self.setMain
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}
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}
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func thumbnailItem() -> (Int64, GalleryThumbnailItem)? {
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let content: [ImageRepresentationWithReference]
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switch self.entry {
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case let .topImage(representations, _, _):
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content = representations
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case let .image(_, _, representations, _, _, _, _, _, _):
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content = representations
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}
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return (0, PeerAvatarImageGalleryThumbnailItem(account: self.context.account, peer: self.peer, content: content))
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}
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}
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private class PeerAvatarImageGalleryContentNode: ASDisplayNode {
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override func layout() {
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super.layout()
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if let subnodes = self.subnodes {
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for node in subnodes {
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node.frame = self.bounds
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}
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}
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}
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}
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final class PeerAvatarImageGalleryItemNode: ZoomableContentGalleryItemNode {
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private let context: AccountContext
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private let peer: Peer
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private let sourceHasRoundCorners: Bool
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private var entry: AvatarGalleryEntry?
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private let contentNode: PeerAvatarImageGalleryContentNode
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private let imageNode: TransformImageNode
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private var videoNode: UniversalVideoNode?
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private var videoContent: NativeVideoContent?
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fileprivate let _ready = Promise<Void>()
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fileprivate let _title = Promise<String>()
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private let statusNodeContainer: HighlightableButtonNode
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private let statusNode: RadialStatusNode
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fileprivate let footerContentNode: AvatarGalleryItemFooterContentNode
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private let fetchDisposable = MetaDisposable()
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private let statusDisposable = MetaDisposable()
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private var status: MediaResourceStatus?
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init(context: AccountContext, presentationData: PresentationData, peer: Peer, sourceHasRoundCorners: Bool) {
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self.context = context
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self.peer = peer
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self.sourceHasRoundCorners = sourceHasRoundCorners
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self.contentNode = PeerAvatarImageGalleryContentNode()
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self.imageNode = TransformImageNode()
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self.footerContentNode = AvatarGalleryItemFooterContentNode(context: context, presentationData: presentationData)
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self.statusNodeContainer = HighlightableButtonNode()
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self.statusNode = RadialStatusNode(backgroundNodeColor: UIColor(white: 0.0, alpha: 0.5))
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self.statusNode.isHidden = true
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super.init()
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self.contentNode.addSubnode(self.imageNode)
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self.imageNode.contentAnimations = .subsequentUpdates
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self.imageNode.view.contentMode = .scaleAspectFill
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self.imageNode.clipsToBounds = true
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self.statusNodeContainer.addSubnode(self.statusNode)
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self.addSubnode(self.statusNodeContainer)
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self.statusNodeContainer.addTarget(self, action: #selector(self.statusPressed), forControlEvents: .touchUpInside)
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self.statusNodeContainer.isUserInteractionEnabled = false
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self.footerContentNode.share = { [weak self] interaction in
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if let strongSelf = self, let entry = strongSelf.entry, !entry.representations.isEmpty {
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let subject: ShareControllerSubject
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if let video = entry.videoRepresentations.last {
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let videoFileReference = FileMediaReference.standalone(media: TelegramMediaFile(fileId: MediaId(namespace: Namespaces.Media.LocalFile, id: 0), partialReference: nil, resource: video.resource, previewRepresentations: [], videoThumbnails: [], immediateThumbnailData: nil, mimeType: "video/mp4", size: nil, attributes: [.Animated, .Video(duration: 0, size: video.dimensions, flags: [])]))
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subject = .media(videoFileReference.abstract)
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} else {
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subject = .image(entry.representations)
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}
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let shareController = ShareController(context: strongSelf.context, subject: subject, preferredAction: .saveToCameraRoll)
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interaction.presentController(shareController, nil)
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}
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}
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}
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deinit {
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self.fetchDisposable.dispose()
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self.statusDisposable.dispose()
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}
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override func ready() -> Signal<Void, NoError> {
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return self._ready.get()
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}
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override func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
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super.containerLayoutUpdated(layout, navigationBarHeight: navigationBarHeight, transition: transition)
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let statusSize = CGSize(width: 50.0, height: 50.0)
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transition.updateFrame(node: self.statusNodeContainer, frame: CGRect(origin: CGPoint(x: floor((layout.size.width - statusSize.width) / 2.0), y: floor((layout.size.height - statusSize.height) / 2.0)), size: statusSize))
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transition.updateFrame(node: self.statusNode, frame: CGRect(origin: CGPoint(), size: statusSize))
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}
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fileprivate func setEntry(_ entry: AvatarGalleryEntry, synchronous: Bool) {
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let previousRepresentations = self.entry?.representations
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if self.entry != entry {
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self.entry = entry
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var footerContent: AvatarGalleryItemFooterContent
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if self.peer.id == self.context.account.peerId {
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footerContent = .own((entry.indexData?.position ?? 0) == 0)
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} else {
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footerContent = .info
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}
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self.footerContentNode.setEntry(entry, content: footerContent)
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if let largestSize = largestImageRepresentation(entry.representations.map({ $0.representation })) {
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let displaySize = largestSize.dimensions.cgSize.fitted(CGSize(width: 1280.0, height: 1280.0)).dividedByScreenScale().integralFloor
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self.imageNode.asyncLayout()(TransformImageArguments(corners: ImageCorners(), imageSize: displaySize, boundingSize: displaySize, intrinsicInsets: UIEdgeInsets()))()
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let representations = entry.representations
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if representations.last != previousRepresentations?.last {
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self.imageNode.setSignal(chatAvatarGalleryPhoto(account: self.context.account, representations: representations, attemptSynchronously: synchronous), attemptSynchronously: synchronous, dispatchOnDisplayLink: false)
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if entry.videoRepresentations.isEmpty {
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self.imageNode.imageUpdated = { [weak self] _ in
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self?._ready.set(.single(Void()))
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}
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}
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}
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self.zoomableContent = (largestSize.dimensions.cgSize, self.contentNode)
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if let largestIndex = representations.firstIndex(where: { $0.representation == largestSize }) {
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self.fetchDisposable.set(fetchedMediaResource(mediaBox: self.context.account.postbox.mediaBox, reference: representations[largestIndex].reference).start())
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}
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var id: Int64?
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if case let .image(image) = entry {
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id = image.0.id
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}
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if let video = entry.videoRepresentations.last, let id = id {
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let mediaManager = self.context.sharedContext.mediaManager
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let videoFileReference = FileMediaReference.standalone(media: TelegramMediaFile(fileId: MediaId(namespace: Namespaces.Media.LocalFile, id: 0), partialReference: nil, resource: video.resource, previewRepresentations: representations.map { $0.representation }, videoThumbnails: [], immediateThumbnailData: nil, mimeType: "video/mp4", size: nil, attributes: [.Animated, .Video(duration: 0, size: video.dimensions, flags: [])]))
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let videoContent = NativeVideoContent(id: .profileVideo(id), fileReference: videoFileReference, streamVideo: isMediaStreamable(resource: video.resource) ? .conservative : .none, loopVideo: true, enableSound: false, fetchAutomatically: true, onlyFullSizeThumbnail: true, continuePlayingWithoutSoundOnLostAudioSession: false, placeholderColor: .clear)
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let videoNode = UniversalVideoNode(postbox: self.context.account.postbox, audioSession: mediaManager.audioSession, manager: mediaManager.universalVideoManager, decoration: GalleryVideoDecoration(), content: videoContent, priority: .embedded)
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videoNode.isUserInteractionEnabled = false
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videoNode.ownsContentNodeUpdated = { [weak self] owns in
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if let strongSelf = self {
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strongSelf.videoNode?.isHidden = !owns
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}
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}
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videoNode.canAttachContent = true
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if let startTimestamp = video.startTimestamp {
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videoNode.seek(startTimestamp)
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}
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if videoNode.hasAttachedContext {
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videoNode.play()
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}
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self.videoContent = videoContent
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self.videoNode = videoNode
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videoNode.updateLayout(size: largestSize.dimensions.cgSize, transition: .immediate)
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self.contentNode.addSubnode(videoNode)
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self._ready.set(videoNode.ready)
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} else if let videoNode = self.videoNode {
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self.videoContent = nil
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self.videoNode = nil
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videoNode.removeFromSupernode()
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}
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self.imageNode.frame = self.contentNode.bounds
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self.videoNode?.frame = self.contentNode.bounds
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} else {
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self._ready.set(.single(Void()))
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}
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}
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}
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override func animateIn(from node: (ASDisplayNode, CGRect, () -> (UIView?, UIView?)), addToTransitionSurface: (UIView) -> Void, completion: @escaping () -> Void) {
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var transformedFrame = node.0.view.convert(node.0.view.bounds, to: self.contentNode.view)
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let transformedSuperFrame = node.0.view.convert(node.0.view.bounds, to: self.contentNode.view.superview)
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let transformedSelfFrame = node.0.view.convert(node.0.view.bounds, to: self.view)
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let transformedCopyViewFinalFrame = self.contentNode.view.convert(self.contentNode.view.bounds, to: self.view)
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let scaledLocalImageViewBounds = self.contentNode.view.bounds
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let copyViewContents = node.2().0!
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let copyView = UIView()
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copyView.addSubview(copyViewContents)
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copyViewContents.frame = CGRect(origin: CGPoint(x: (transformedSelfFrame.width - copyViewContents.frame.width) / 2.0, y: (transformedSelfFrame.height - copyViewContents.frame.height) / 2.0), size: copyViewContents.frame.size)
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copyView.layer.sublayerTransform = CATransform3DMakeScale(transformedSelfFrame.width / copyViewContents.frame.width, transformedSelfFrame.height / copyViewContents.frame.height, 1.0)
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let surfaceCopyViewContents = node.2().0!
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let surfaceCopyView = UIView()
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surfaceCopyView.addSubview(surfaceCopyViewContents)
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addToTransitionSurface(surfaceCopyView)
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var transformedSurfaceFrame: CGRect?
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var transformedSurfaceFinalFrame: CGRect?
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if let contentSurface = surfaceCopyView.superview {
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transformedSurfaceFrame = node.0.view.convert(node.0.view.bounds, to: contentSurface)
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transformedSurfaceFinalFrame = self.contentNode.view.convert(scaledLocalImageViewBounds, to: contentSurface)
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}
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if let transformedSurfaceFrame = transformedSurfaceFrame, let transformedSurfaceFinalFrame = transformedSurfaceFinalFrame {
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surfaceCopyViewContents.frame = CGRect(origin: CGPoint(x: (transformedSurfaceFrame.width - surfaceCopyViewContents.frame.width) / 2.0, y: (transformedSurfaceFrame.height - surfaceCopyViewContents.frame.height) / 2.0), size: surfaceCopyViewContents.frame.size)
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surfaceCopyView.layer.sublayerTransform = CATransform3DMakeScale(transformedSurfaceFrame.width / surfaceCopyViewContents.frame.width, transformedSurfaceFrame.height / surfaceCopyViewContents.frame.height, 1.0)
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surfaceCopyView.frame = transformedSurfaceFrame
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surfaceCopyView.layer.animatePosition(from: CGPoint(x: transformedSurfaceFrame.midX, y: transformedSurfaceFrame.midY), to: CGPoint(x: transformedSurfaceFinalFrame.midX, y: transformedSurfaceFinalFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
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let scale = CGSize(width: transformedSurfaceFinalFrame.size.width / transformedSurfaceFrame.size.width, height: transformedSurfaceFrame.size.height / transformedSelfFrame.size.height)
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surfaceCopyView.layer.animate(from: NSValue(caTransform3D: CATransform3DIdentity), to: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25, removeOnCompletion: false)
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surfaceCopyView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25, removeOnCompletion: false, completion: { [weak surfaceCopyView] _ in
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surfaceCopyView?.removeFromSuperview()
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})
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}
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if self.sourceHasRoundCorners {
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self.view.insertSubview(copyView, belowSubview: self.scrollNode.view)
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}
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copyView.frame = transformedSelfFrame
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copyView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25, removeOnCompletion: false, completion: { [weak copyView] _ in
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copyView?.removeFromSuperview()
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})
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copyView.layer.animatePosition(from: CGPoint(x: transformedSelfFrame.midX, y: transformedSelfFrame.midY), to: CGPoint(x: transformedCopyViewFinalFrame.midX, y: transformedCopyViewFinalFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
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let scale = CGSize(width: transformedCopyViewFinalFrame.size.width / transformedSelfFrame.size.width, height: transformedCopyViewFinalFrame.size.height / transformedSelfFrame.size.height)
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copyView.layer.animate(from: NSValue(caTransform3D: CATransform3DIdentity), to: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25, removeOnCompletion: false)
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self.contentNode.layer.animatePosition(from: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), to: self.contentNode.layer.position, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, completion: { _ in
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completion()
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})
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self.contentNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.07)
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transformedFrame.origin = CGPoint()
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//self.imageNode.layer.animateBounds(from: transformedFrame, to: self.imageNode.layer.bounds, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)
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let transform = CATransform3DScale(self.contentNode.layer.transform, transformedFrame.size.width / self.contentNode.layer.bounds.size.width, transformedFrame.size.height / self.contentNode.layer.bounds.size.height, 1.0)
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self.contentNode.layer.animate(from: NSValue(caTransform3D: transform), to: NSValue(caTransform3D: self.contentNode.layer.transform), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25)
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self.contentNode.clipsToBounds = true
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if self.sourceHasRoundCorners {
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self.contentNode.layer.animate(from: (self.contentNode.frame.width / 2.0) as NSNumber, to: 0.0 as NSNumber, keyPath: "cornerRadius", timingFunction: CAMediaTimingFunctionName.default.rawValue, duration: 0.18, removeOnCompletion: false, completion: { [weak self] value in
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if value {
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self?.contentNode.clipsToBounds = false
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}
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})
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}
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self.statusNodeContainer.layer.animatePosition(from: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), to: self.statusNodeContainer.position, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)
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self.statusNodeContainer.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)
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self.statusNodeContainer.layer.animateScale(from: 0.5, to: 1.0, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)
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}
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override func animateOut(to node: (ASDisplayNode, CGRect, () -> (UIView?, UIView?)), addToTransitionSurface: (UIView) -> Void, completion: @escaping () -> Void) {
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var transformedFrame = node.0.view.convert(node.0.view.bounds, to: self.contentNode.view)
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let transformedSuperFrame = node.0.view.convert(node.0.view.bounds, to: self.contentNode.view.superview)
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let transformedSelfFrame = node.0.view.convert(node.0.view.bounds, to: self.view)
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let transformedCopyViewInitialFrame = self.contentNode.view.convert(self.contentNode.view.bounds, to: self.view)
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var positionCompleted = false
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var boundsCompleted = false
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var copyCompleted = false
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var surfaceCopyCompleted = false
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let copyView = node.2().0!
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if self.sourceHasRoundCorners {
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self.view.insertSubview(copyView, belowSubview: self.scrollNode.view)
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}
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copyView.frame = transformedSelfFrame
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let surfaceCopyView = node.2().0!
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if !self.sourceHasRoundCorners {
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addToTransitionSurface(surfaceCopyView)
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}
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var transformedSurfaceFrame: CGRect?
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var transformedSurfaceCopyViewInitialFrame: CGRect?
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if let contentSurface = surfaceCopyView.superview {
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transformedSurfaceFrame = node.0.view.convert(node.0.view.bounds, to: contentSurface)
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transformedSurfaceCopyViewInitialFrame = self.contentNode.view.convert(self.contentNode.view.bounds, to: contentSurface)
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}
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let durationFactor = 1.0
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let intermediateCompletion = { [weak copyView, weak surfaceCopyView] in
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if positionCompleted && boundsCompleted && copyCompleted {
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copyView?.removeFromSuperview()
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surfaceCopyView?.removeFromSuperview()
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completion()
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}
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}
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if let transformedSurfaceFrame = transformedSurfaceFrame, let transformedSurfaceCopyViewInitialFrame = transformedSurfaceCopyViewInitialFrame {
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surfaceCopyView.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.1 * durationFactor, removeOnCompletion: false)
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surfaceCopyView.layer.animatePosition(from: CGPoint(x: transformedSurfaceCopyViewInitialFrame.midX, y: transformedSurfaceCopyViewInitialFrame.midY), to: CGPoint(x: transformedSurfaceFrame.midX, y: transformedSurfaceFrame.midY), duration: 0.25 * durationFactor, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
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let scale = CGSize(width: transformedSurfaceCopyViewInitialFrame.size.width / transformedSurfaceFrame.size.width, height: transformedSurfaceCopyViewInitialFrame.size.height / transformedSurfaceFrame.size.height)
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surfaceCopyView.layer.animate(from: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), to: NSValue(caTransform3D: CATransform3DIdentity), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25 * durationFactor, removeOnCompletion: false, completion: { _ in
|
|
surfaceCopyCompleted = true
|
|
intermediateCompletion()
|
|
})
|
|
} else {
|
|
surfaceCopyCompleted = true
|
|
}
|
|
|
|
copyView.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.1 * durationFactor, removeOnCompletion: false)
|
|
|
|
copyView.layer.animatePosition(from: CGPoint(x: transformedCopyViewInitialFrame.midX, y: transformedCopyViewInitialFrame.midY), to: CGPoint(x: transformedSelfFrame.midX, y: transformedSelfFrame.midY), duration: 0.25 * durationFactor, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
|
|
let scale = CGSize(width: transformedCopyViewInitialFrame.size.width / transformedSelfFrame.size.width, height: transformedCopyViewInitialFrame.size.height / transformedSelfFrame.size.height)
|
|
copyView.layer.animate(from: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), to: NSValue(caTransform3D: CATransform3DIdentity), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25 * durationFactor, removeOnCompletion: false, completion: { _ in
|
|
copyCompleted = true
|
|
intermediateCompletion()
|
|
})
|
|
|
|
self.contentNode.layer.animatePosition(from: self.contentNode.layer.position, to: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), duration: 0.25 * durationFactor, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, completion: { _ in
|
|
positionCompleted = true
|
|
intermediateCompletion()
|
|
})
|
|
|
|
self.contentNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25 * durationFactor, removeOnCompletion: false)
|
|
|
|
transformedFrame.origin = CGPoint()
|
|
|
|
let transform = CATransform3DScale(self.contentNode.layer.transform, transformedFrame.size.width / self.contentNode.layer.bounds.size.width, transformedFrame.size.height / self.contentNode.layer.bounds.size.height, 1.0)
|
|
self.contentNode.layer.animate(from: NSValue(caTransform3D: self.contentNode.layer.transform), to: NSValue(caTransform3D: transform), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25 * durationFactor, removeOnCompletion: false, completion: { _ in
|
|
boundsCompleted = true
|
|
intermediateCompletion()
|
|
})
|
|
|
|
self.contentNode.clipsToBounds = true
|
|
if self.sourceHasRoundCorners {
|
|
self.contentNode.layer.animate(from: 0.0 as NSNumber, to: (self.contentNode.frame.width / 2.0) as NSNumber, keyPath: "cornerRadius", timingFunction: CAMediaTimingFunctionName.default.rawValue, duration: 0.18 * durationFactor, removeOnCompletion: false)
|
|
}
|
|
|
|
self.statusNodeContainer.layer.animatePosition(from: self.statusNodeContainer.position, to: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
|
|
self.statusNodeContainer.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, timingFunction: CAMediaTimingFunctionName.easeIn.rawValue, removeOnCompletion: false)
|
|
}
|
|
|
|
override func visibilityUpdated(isVisible: Bool) {
|
|
super.visibilityUpdated(isVisible: isVisible)
|
|
}
|
|
|
|
override func title() -> Signal<String, NoError> {
|
|
return self._title.get()
|
|
}
|
|
|
|
@objc func statusPressed() {
|
|
if let entry = self.entry, let largestSize = largestImageRepresentation(entry.representations.map({ $0.representation })), let status = self.status {
|
|
switch status {
|
|
case .Fetching:
|
|
self.context.account.postbox.mediaBox.cancelInteractiveResourceFetch(largestSize.resource)
|
|
case .Remote:
|
|
let representations: [ImageRepresentationWithReference]
|
|
switch entry {
|
|
case let .topImage(topRepresentations, _, _):
|
|
representations = topRepresentations
|
|
case let .image(_, _, imageRepresentations, _, _, _, _, _, _):
|
|
representations = imageRepresentations
|
|
}
|
|
|
|
if let largestIndex = representations.firstIndex(where: { $0.representation == largestSize }) {
|
|
self.fetchDisposable.set(fetchedMediaResource(mediaBox: self.context.account.postbox.mediaBox, reference: representations[largestIndex].reference).start())
|
|
}
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
override func footerContent() -> Signal<(GalleryFooterContentNode?, GalleryOverlayContentNode?), NoError> {
|
|
return .single((self.footerContentNode, nil))
|
|
}
|
|
}
|