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https://github.com/Swiftgram/Telegram-iOS.git
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280 lines
13 KiB
Swift
280 lines
13 KiB
Swift
import Foundation
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import UIKit
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import Display
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import QuickLook
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import Postbox
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import SwiftSignalKit
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import AsyncDisplayKit
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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 GalleryUI
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struct SecureIdDocumentGalleryEntryLocation: Equatable {
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let position: Int32
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let totalCount: Int32
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static func ==(lhs: SecureIdDocumentGalleryEntryLocation, rhs: SecureIdDocumentGalleryEntryLocation) -> Bool {
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return lhs.position == rhs.position && lhs.totalCount == rhs.totalCount
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}
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}
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struct SecureIdDocumentGalleryEntry: Equatable {
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let index: Int32
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let resource: TelegramMediaResource
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let location: SecureIdDocumentGalleryEntryLocation
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let error: String
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static func ==(lhs: SecureIdDocumentGalleryEntry, rhs: SecureIdDocumentGalleryEntry) -> Bool {
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return lhs.index == rhs.index && lhs.resource.isEqual(to: rhs.resource) && lhs.location == rhs.location && lhs.error == rhs.error
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}
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func item(context: AccountContext, theme: PresentationTheme, strings: PresentationStrings, secureIdContext: SecureIdAccessContext, delete: @escaping (TelegramMediaResource) -> Void) -> GalleryItem {
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return SecureIdDocumentGalleryItem(context: context, theme: theme, strings: strings, secureIdContext: secureIdContext, itemId: self.index, resource: self.resource, caption: self.error, location: self.location, delete: {
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delete(self.resource)
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})
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}
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}
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final class SecureIdDocumentGalleryControllerPresentationArguments {
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let transitionArguments: (SecureIdDocumentGalleryEntry) -> GalleryTransitionArguments?
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init(transitionArguments: @escaping (SecureIdDocumentGalleryEntry) -> GalleryTransitionArguments?) {
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self.transitionArguments = transitionArguments
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}
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}
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class SecureIdDocumentGalleryController: ViewController, StandalonePresentableController {
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private var galleryNode: GalleryControllerNode {
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return self.displayNode as! GalleryControllerNode
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}
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private let context: AccountContext
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private let secureIdContext: SecureIdAccessContext
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private var presentationData: PresentationData
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private let _ready = Promise<Bool>()
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override var ready: Promise<Bool> {
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return self._ready
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}
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private var didSetReady = false
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private let disposable = MetaDisposable()
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private var entries: [SecureIdDocumentGalleryEntry] = []
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private var centralEntryIndex: Int?
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private let centralItemTitle = Promise<String>()
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private let centralItemTitleView = Promise<UIView?>()
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private let centralItemNavigationStyle = Promise<GalleryItemNodeNavigationStyle>()
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private let centralItemFooterContentNode = Promise<(GalleryFooterContentNode?, GalleryOverlayContentNode?)>()
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private let centralItemAttributesDisposable = DisposableSet();
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private let _hiddenMedia = Promise<SecureIdDocumentGalleryEntry?>(nil)
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var hiddenMedia: Signal<SecureIdDocumentGalleryEntry?, NoError> {
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return self._hiddenMedia.get()
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}
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private let replaceRootController: (ViewController, Promise<Bool>?) -> Void
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var deleteResource: ((TelegramMediaResource) -> Void)?
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init(context: AccountContext, secureIdContext: SecureIdAccessContext, entries: [SecureIdDocumentGalleryEntry], centralIndex: Int, replaceRootController: @escaping (ViewController, Promise<Bool>?) -> Void) {
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self.context = context
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self.secureIdContext = secureIdContext
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self.replaceRootController = replaceRootController
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self.presentationData = context.sharedContext.currentPresentationData.with { $0 }
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super.init(navigationBarPresentationData: NavigationBarPresentationData(theme: GalleryController.darkNavigationTheme, strings: NavigationBarStrings(presentationStrings: self.presentationData.strings)))
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let backItem = UIBarButtonItem(backButtonAppearanceWithTitle: presentationData.strings.Common_Back, target: self, action: #selector(self.donePressed))
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self.navigationItem.leftBarButtonItem = backItem
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self.statusBar.statusBarStyle = .White
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let entriesSignal: Signal<[SecureIdDocumentGalleryEntry], NoError> = .single(entries)
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self.disposable.set((entriesSignal |> deliverOnMainQueue).start(next: { [weak self] entries in
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if let strongSelf = self {
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strongSelf.entries = entries
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strongSelf.centralEntryIndex = centralIndex
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if strongSelf.isViewLoaded {
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strongSelf.galleryNode.pager.replaceItems(strongSelf.entries.map({
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$0.item(context: context, theme: strongSelf.presentationData.theme, strings: strongSelf.presentationData.strings, secureIdContext: strongSelf.secureIdContext, delete: { resource in
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self?.deleteItem(resource)
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})
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}), centralItemIndex: centralIndex)
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let ready = (strongSelf.galleryNode.pager.ready() |> timeout(2.0, queue: Queue.mainQueue(), alternate: .single(Void()))) |> afterNext { [weak strongSelf] _ in
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strongSelf?.didSetReady = true
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}
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strongSelf._ready.set(ready |> map { true })
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}
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}
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}))
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self.centralItemAttributesDisposable.add(self.centralItemTitle.get().start(next: { [weak self] title in
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self?.navigationItem.title = title
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}))
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self.centralItemAttributesDisposable.add(self.centralItemTitleView.get().start(next: { [weak self] titleView in
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self?.navigationItem.titleView = titleView
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}))
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self.centralItemAttributesDisposable.add(self.centralItemFooterContentNode.get().start(next: { [weak self] footerContentNode, _ in
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self?.galleryNode.updatePresentationState({
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$0.withUpdatedFooterContentNode(footerContentNode)
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}, transition: .immediate)
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}))
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}
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required init(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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deinit {
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self.disposable.dispose()
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self.centralItemAttributesDisposable.dispose()
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}
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@objc func donePressed() {
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self.dismiss(forceAway: false)
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}
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private func dismiss(forceAway: Bool) {
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var animatedOutNode = true
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var animatedOutInterface = false
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let completion = { [weak self] in
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if animatedOutNode && animatedOutInterface {
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self?._hiddenMedia.set(.single(nil))
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self?.presentingViewController?.dismiss(animated: false, completion: nil)
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}
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}
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if let centralItemNode = self.galleryNode.pager.centralItemNode(), let presentationArguments = self.presentationArguments as? SecureIdDocumentGalleryControllerPresentationArguments {
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if !self.entries.isEmpty {
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if let transitionArguments = presentationArguments.transitionArguments(self.entries[centralItemNode.index]), !forceAway {
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animatedOutNode = false
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centralItemNode.animateOut(to: transitionArguments.transitionNode, addToTransitionSurface: transitionArguments.addToTransitionSurface, completion: {
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animatedOutNode = true
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completion()
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})
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}
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}
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}
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self.galleryNode.animateOut(animateContent: animatedOutNode, completion: {
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animatedOutInterface = true
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completion()
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})
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}
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override func loadDisplayNode() {
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let controllerInteraction = GalleryControllerInteraction(presentController: { [weak self] controller, arguments in
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if let strongSelf = self {
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strongSelf.present(controller, in: .window(.root), with: arguments, blockInteraction: true)
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}
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}, dismissController: { [weak self] in
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self?.dismiss(forceAway: true)
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}, replaceRootController: { [weak self] controller, ready in
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if let strongSelf = self {
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strongSelf.replaceRootController(controller, ready)
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}
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})
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self.displayNode = GalleryControllerNode(controllerInteraction: controllerInteraction)
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self.displayNodeDidLoad()
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self.galleryNode.statusBar = self.statusBar
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self.galleryNode.navigationBar = self.navigationBar
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self.galleryNode.transitionDataForCentralItem = { [weak self] in
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if let strongSelf = self {
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if let centralItemNode = strongSelf.galleryNode.pager.centralItemNode(), let presentationArguments = strongSelf.presentationArguments as? SecureIdDocumentGalleryControllerPresentationArguments {
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if let transitionArguments = presentationArguments.transitionArguments(strongSelf.entries[centralItemNode.index]) {
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return (transitionArguments.transitionNode, transitionArguments.addToTransitionSurface)
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}
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}
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}
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return nil
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}
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self.galleryNode.dismiss = { [weak self] in
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self?._hiddenMedia.set(.single(nil))
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self?.presentingViewController?.dismiss(animated: false, completion: nil)
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}
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self.galleryNode.pager.centralItemIndexUpdated = { [weak self] index in
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if let strongSelf = self {
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var hiddenItem: SecureIdDocumentGalleryEntry?
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if let index = index {
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hiddenItem = strongSelf.entries[index]
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if let node = strongSelf.galleryNode.pager.centralItemNode() {
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strongSelf.centralItemTitle.set(node.title())
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strongSelf.centralItemTitleView.set(node.titleView())
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strongSelf.centralItemNavigationStyle.set(node.navigationStyle())
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strongSelf.centralItemFooterContentNode.set(node.footerContent())
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}
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}
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if strongSelf.didSetReady {
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strongSelf._hiddenMedia.set(.single(hiddenItem))
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}
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}
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}
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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var nodeAnimatesItself = false
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if let centralItemNode = self.galleryNode.pager.centralItemNode(), let presentationArguments = self.presentationArguments as? SecureIdDocumentGalleryControllerPresentationArguments {
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self.centralItemTitle.set(centralItemNode.title())
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self.centralItemTitleView.set(centralItemNode.titleView())
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self.centralItemNavigationStyle.set(centralItemNode.navigationStyle())
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self.centralItemFooterContentNode.set(centralItemNode.footerContent())
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if let transitionArguments = presentationArguments.transitionArguments(self.entries[centralItemNode.index]) {
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nodeAnimatesItself = true
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centralItemNode.animateIn(from: transitionArguments.transitionNode, addToTransitionSurface: transitionArguments.addToTransitionSurface, completion: {})
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self._hiddenMedia.set(.single(self.entries[centralItemNode.index]))
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}
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}
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self.galleryNode.animateIn(animateContent: !nodeAnimatesItself)
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}
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private var firstLayout = true
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override func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
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super.containerLayoutUpdated(layout, transition: transition)
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self.galleryNode.frame = CGRect(origin: CGPoint(), size: layout.size)
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self.galleryNode.containerLayoutUpdated(layout, navigationBarHeight: self.navigationHeight, transition: transition)
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if firstLayout {
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firstLayout = false
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self.galleryNode.pager.replaceItems(self.entries.map({
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$0.item(context: self.context, theme: self.presentationData.theme, strings: self.presentationData.strings, secureIdContext: self.secureIdContext, delete: { [weak self] resource in
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self?.deleteItem(resource)
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})
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}), centralItemIndex: self.centralEntryIndex)
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let ready = self.galleryNode.pager.ready() |> timeout(2.0, queue: Queue.mainQueue(), alternate: .single(Void())) |> afterNext { [weak self] _ in
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self?.didSetReady = true
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}
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self._ready.set(ready |> map { true })
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}
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}
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private func deleteItem(_ resource: TelegramMediaResource) {
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self.deleteResource?(resource)
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self.dismiss(forceAway: true)
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}
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}
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