mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
399 lines
19 KiB
Swift
399 lines
19 KiB
Swift
import Foundation
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import UIKit
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import AsyncDisplayKit
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import Postbox
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import Display
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import SwiftSignalKit
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import WebKit
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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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class ChatDocumentGalleryItem: GalleryItem {
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var id: AnyHashable {
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return self.message.stableId
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}
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let context: AccountContext
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let presentationData: PresentationData
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let message: Message
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let location: MessageHistoryEntryLocation?
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init(context: AccountContext, presentationData: PresentationData, message: Message, location: MessageHistoryEntryLocation?) {
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self.context = context
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self.presentationData = presentationData
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self.message = message
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self.location = location
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}
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func node() -> GalleryItemNode {
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let node = ChatDocumentGalleryItemNode(context: self.context, presentationData: self.presentationData)
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for media in self.message.media {
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if let file = media as? TelegramMediaFile {
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node.setFile(context: context, fileReference: .message(message: MessageReference(self.message), media: file))
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break
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} else if let webpage = media as? TelegramMediaWebpage, case let .Loaded(content) = webpage.content {
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if let file = content.file {
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node.setFile(context: context, fileReference: .message(message: MessageReference(self.message), media: file))
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break
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}
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}
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}
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if let location = self.location {
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node._title.set(.single(self.presentationData.strings.Items_NOfM("\(location.index + 1)", "\(location.count)").0))
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}
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node.setMessage(self.message)
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return node
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}
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func updateNode(node: GalleryItemNode) {
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if let node = node as? ChatDocumentGalleryItemNode, let location = self.location {
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node._title.set(.single(self.presentationData.strings.Items_NOfM("\(location.index + 1)", "\(location.count)").0))
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node.setMessage(self.message)
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}
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}
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func thumbnailItem() -> (Int64, GalleryThumbnailItem)? {
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return nil
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}
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}
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private let registeredURLProtocol: Void = {
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URLProtocol.registerClass(ChatDocumentURLProtocol.self)
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}()
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private final class ChatDocumentURLProtocol: URLProtocol {
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override class func canonicalRequest(for request: URLRequest) -> URLRequest {
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return request
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}
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override class func canInit(with request: URLRequest) -> Bool {
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if let mainDocumentURL = request.mainDocumentURL {
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if mainDocumentURL.scheme == "file" && request.url != mainDocumentURL {
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return true
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}
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}
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return false
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}
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override class func requestIsCacheEquivalent(_ a: URLRequest, to b: URLRequest) -> Bool {
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return super.requestIsCacheEquivalent(a, to: b)
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}
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override func startLoading() {
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}
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override func stopLoading() {
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}
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}
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class ChatDocumentGalleryItemNode: ZoomableContentGalleryItemNode, WKNavigationDelegate {
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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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private let webView: UIView
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private var contextAndFile: (AccountContext, FileMediaReference)?
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private let dataDisposable = MetaDisposable()
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private var itemIsVisible = false
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private var message: Message?
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private let footerContentNode: ChatItemGalleryFooterContentNode
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private var 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) {
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if #available(iOSApplicationExtension 11.0, iOS 11.0, *) {
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let preferences = WKPreferences()
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preferences.javaScriptEnabled = false
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let configuration = WKWebViewConfiguration()
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configuration.preferences = preferences
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let webView = WKWebView(frame: CGRect(), configuration: configuration)
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webView.allowsLinkPreview = false
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webView.allowsBackForwardNavigationGestures = false
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self.webView = webView
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} else {
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let _ = registeredURLProtocol
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let webView = UIWebView()
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webView.scalesPageToFit = true
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self.webView = webView
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}
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self.footerContentNode = ChatItemGalleryFooterContentNode(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.view.insertSubview(self.webView, belowSubview: self.scrollNode.view)
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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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}
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deinit {
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self.dataDisposable.dispose()
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self.fetchDisposable.dispose()
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self.statusDisposable.dispose()
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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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self.webView.frame = CGRect(origin: CGPoint(x: 0.0, y: navigationBarHeight), size: CGSize(width: layout.size.width, height: layout.size.height - navigationBarHeight - 44.0 - layout.insets(options: []).bottom))
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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 setMessage(_ message: Message) {
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self.footerContentNode.setMessage(message)
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}
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override func navigationStyle() -> Signal<GalleryItemNodeNavigationStyle, NoError> {
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return .single(.dark)
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}
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func setFile(context: AccountContext, fileReference: FileMediaReference) {
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let updateFile = self.contextAndFile?.1.media != fileReference.media
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self.contextAndFile = (context, fileReference)
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if updateFile {
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if fileReference.media.mimeType.hasPrefix("image/") {
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if let webView = self.webView as? WKWebView {
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webView.backgroundColor = .black
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}
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}
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self.maybeLoadContent()
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self.setupStatus(context: context, resource: fileReference.media.resource)
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}
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}
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private func setupStatus(context: AccountContext, resource: MediaResource) {
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self.statusDisposable.set((context.account.postbox.mediaBox.resourceStatus(resource)
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|> deliverOnMainQueue).start(next: { [weak self] status in
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if let strongSelf = self {
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let previousStatus = strongSelf.status
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strongSelf.status = status
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switch status {
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case .Remote:
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strongSelf.statusNode.isHidden = false
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strongSelf.statusNode.alpha = 1.0
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strongSelf.statusNodeContainer.isUserInteractionEnabled = true
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strongSelf.statusNode.transitionToState(.download(.white), completion: {})
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case let .Fetching(isActive, progress):
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strongSelf.statusNode.isHidden = false
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strongSelf.statusNode.alpha = 1.0
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strongSelf.statusNodeContainer.isUserInteractionEnabled = true
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let adjustedProgress = max(progress, 0.027)
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strongSelf.statusNode.transitionToState(.progress(color: .white, lineWidth: nil, value: CGFloat(adjustedProgress), cancelEnabled: true), completion: {})
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case .Local:
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if let previousStatus = previousStatus, case .Fetching = previousStatus {
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strongSelf.statusNode.transitionToState(.progress(color: .white, lineWidth: nil, value: 1.0, cancelEnabled: true), completion: {
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if let strongSelf = self {
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strongSelf.statusNode.alpha = 0.0
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strongSelf.statusNodeContainer.isUserInteractionEnabled = false
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strongSelf.statusNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, completion: { _ in
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if let strongSelf = self {
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strongSelf.statusNode.transitionToState(.none, animated: false, completion: {})
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}
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})
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}
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})
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} else if !strongSelf.statusNode.isHidden && !strongSelf.statusNode.alpha.isZero {
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strongSelf.statusNode.alpha = 0.0
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strongSelf.statusNodeContainer.isUserInteractionEnabled = false
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strongSelf.statusNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, completion: { _ in
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if let strongSelf = self {
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strongSelf.statusNode.transitionToState(.none, animated: false, completion: {})
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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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private func maybeLoadContent() {
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if let (context, fileReference) = self.contextAndFile {
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var pathExtension: String?
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if let fileName = fileReference.media.fileName {
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pathExtension = (fileName as NSString).pathExtension
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}
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let data = context.account.postbox.mediaBox.resourceData(fileReference.media.resource, pathExtension: pathExtension, option: .complete(waitUntilFetchStatus: false))
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|> deliverOnMainQueue
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self.dataDisposable.set(data.start(next: { [weak self] data in
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if let strongSelf = self {
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if data.complete {
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if let webView = strongSelf.webView as? WKWebView {
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if #available(iOSApplicationExtension 11.0, iOS 11.0, *) {
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let blockRules = """
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[{
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"trigger": {
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"url-filter": ".*"
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},
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"action": {
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"type": "block"
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}
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},
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{
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"trigger": {
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"url-filter": "file://\(data.path)"
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},
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"action": {
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"type": "ignore-previous-rules"
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}
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}]
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"""
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WKContentRuleListStore.default().compileContentRuleList(
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forIdentifier: "ContentBlockingRules",
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encodedContentRuleList: blockRules) { [weak webView] contentRuleList, error in
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guard let webView = webView, let contentRuleList = contentRuleList else {
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return
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}
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if let _ = error {
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return
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}
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let configuration = webView.configuration
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configuration.userContentController.add(contentRuleList)
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webView.loadFileURL(URL(fileURLWithPath: data.path), allowingReadAccessTo: URL(fileURLWithPath: data.path))
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}
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}
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} else if let webView = strongSelf.webView as? UIWebView {
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webView.loadRequest(URLRequest(url: URL(fileURLWithPath: data.path)))
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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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/*private func unloadContent() {
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self.dataDisposable.set(nil)
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self.webView.stopLoading()
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self.webView.loadHTMLString("<html></html>", baseURL: nil)
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}*/
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override func visibilityUpdated(isVisible: Bool) {
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super.visibilityUpdated(isVisible: isVisible)
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if self.itemIsVisible != isVisible {
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self.itemIsVisible = isVisible
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if isVisible {
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} else {
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self.fetchDisposable.set(nil)
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}
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}
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}
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override func title() -> Signal<String, NoError> {
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return self._title.get()
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}
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override func animateIn(from node: (ASDisplayNode, CGRect, () -> (UIView?, UIView?)), addToTransitionSurface: (UIView) -> Void) {
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var transformedFrame = node.0.view.convert(node.0.view.bounds, to: self.webView)
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let transformedSuperFrame = node.0.view.convert(node.0.view.bounds, to: self.webView.superview)
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self.webView.layer.animatePosition(from: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), to: self.webView.layer.position, duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring)
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transformedFrame.origin = CGPoint()
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let transform = CATransform3DScale(self.webView.layer.transform, transformedFrame.size.width / self.webView.layer.bounds.size.width, transformedFrame.size.height / self.webView.layer.bounds.size.height, 1.0)
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self.webView.layer.animate(from: NSValue(caTransform3D: transform), to: NSValue(caTransform3D: self.webView.layer.transform), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25)
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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.webView)
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let transformedSuperFrame = node.0.view.convert(node.0.view.bounds, to: self.webView.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.webView.convert(self.webView.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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let (maybeCopyView, copyViewBackgrond) = node.2()
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copyViewBackgrond?.alpha = 0.0
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let copyView = maybeCopyView!
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self.view.insertSubview(copyView, belowSubview: self.webView)
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copyView.frame = transformedSelfFrame
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let intermediateCompletion = { [weak copyView] in
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if positionCompleted && boundsCompleted && copyCompleted {
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copyView?.removeFromSuperview()
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completion()
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}
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}
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copyView.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.1, removeOnCompletion: false)
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copyView.layer.animatePosition(from: CGPoint(x: transformedCopyViewInitialFrame.midX, y: transformedCopyViewInitialFrame.midY), to: CGPoint(x: transformedSelfFrame.midX, y: transformedSelfFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
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let scale = CGSize(width: transformedCopyViewInitialFrame.size.width / transformedSelfFrame.size.width, height: transformedCopyViewInitialFrame.size.height / transformedSelfFrame.size.height)
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copyView.layer.animate(from: NSValue(caTransform3D: CATransform3DMakeScale(scale.width, scale.height, 1.0)), to: NSValue(caTransform3D: CATransform3DIdentity), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25, removeOnCompletion: false, completion: { _ in
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copyCompleted = true
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intermediateCompletion()
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})
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self.webView.layer.animatePosition(from: self.webView.layer.position, to: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, completion: { _ in
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positionCompleted = true
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intermediateCompletion()
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})
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self.webView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25, removeOnCompletion: false)
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transformedFrame.origin = CGPoint()
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let transform = CATransform3DScale(self.webView.layer.transform, transformedFrame.size.width / self.webView.layer.bounds.size.width, transformedFrame.size.height / self.webView.layer.bounds.size.height, 1.0)
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self.webView.layer.animate(from: NSValue(caTransform3D: self.webView.layer.transform), to: NSValue(caTransform3D: transform), keyPath: "transform", timingFunction: kCAMediaTimingFunctionSpring, duration: 0.25, removeOnCompletion: false, completion: { _ in
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boundsCompleted = true
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intermediateCompletion()
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})
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self.statusNodeContainer.layer.animatePosition(from: self.statusNodeContainer.position, to: CGPoint(x: transformedSuperFrame.midX, y: transformedSuperFrame.midY), duration: 0.25, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
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self.statusNodeContainer.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, timingFunction: CAMediaTimingFunctionName.easeIn.rawValue, removeOnCompletion: false)
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}
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override func footerContent() -> Signal<(GalleryFooterContentNode?, GalleryOverlayContentNode?), NoError> {
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return .single((self.footerContentNode, nil))
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}
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@objc func statusPressed() {
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if let (context, fileReference) = self.contextAndFile, let status = self.status {
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switch status {
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case .Fetching:
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context.account.postbox.mediaBox.cancelInteractiveResourceFetch(fileReference.media.resource)
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case .Remote:
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self.fetchDisposable.set(fetchedMediaResource(mediaBox: context.account.postbox.mediaBox, reference: fileReference.resourceReference(fileReference.media.resource)).start())
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default:
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break
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}
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}
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}
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}
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