mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
463 lines
22 KiB
Swift
463 lines
22 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 TelegramPresentationData
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import AccountContext
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import GalleryUI
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public enum AvatarGalleryEntry: Equatable {
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case topImage([ImageRepresentationWithReference], GalleryItemIndexData?)
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case image(TelegramMediaImageReference?, [ImageRepresentationWithReference], Peer, Int32, GalleryItemIndexData?, MessageId?)
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public var representations: [ImageRepresentationWithReference] {
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switch self {
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case let .topImage(representations, _):
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return representations
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case let .image(_, representations, _, _, _, _):
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return representations
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}
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}
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public var indexData: GalleryItemIndexData? {
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switch self {
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case let .topImage(_, indexData):
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return indexData
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case let .image(_, _, _, _, indexData, _):
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return indexData
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}
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}
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public static func ==(lhs: AvatarGalleryEntry, rhs: AvatarGalleryEntry) -> Bool {
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switch lhs {
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case let .topImage(lhsRepresentations, lhsIndexData):
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if case let .topImage(rhsRepresentations, rhsIndexData) = rhs, lhsRepresentations == rhsRepresentations, lhsIndexData == rhsIndexData {
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return true
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} else {
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return false
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}
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case let .image(lhsImageReference, lhsRepresentations, lhsPeer, lhsDate, lhsIndexData, lhsMessageId):
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if case let .image(rhsImageReference, rhsRepresentations, rhsPeer, rhsDate, rhsIndexData, rhsMessageId) = rhs, lhsImageReference == rhsImageReference, lhsRepresentations == rhsRepresentations, arePeersEqual(lhsPeer, rhsPeer), lhsDate == rhsDate, lhsIndexData == rhsIndexData, lhsMessageId == rhsMessageId {
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return true
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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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}
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public final class AvatarGalleryControllerPresentationArguments {
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let animated: Bool
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let transitionArguments: (AvatarGalleryEntry) -> GalleryTransitionArguments?
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public init(animated: Bool = true, transitionArguments: @escaping (AvatarGalleryEntry) -> GalleryTransitionArguments?) {
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self.animated = animated
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self.transitionArguments = transitionArguments
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}
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}
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private func initialAvatarGalleryEntries(peer: Peer) -> [AvatarGalleryEntry]{
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var initialEntries: [AvatarGalleryEntry] = []
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if !peer.profileImageRepresentations.isEmpty, let peerReference = PeerReference(peer) {
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initialEntries.append(.topImage(peer.profileImageRepresentations.map({ ImageRepresentationWithReference(representation: $0, reference: MediaResourceReference.avatar(peer: peerReference, resource: $0.resource)) }), nil))
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}
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return initialEntries
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}
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public func fetchedAvatarGalleryEntries(account: Account, peer: Peer) -> Signal<[AvatarGalleryEntry], NoError> {
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return requestPeerPhotos(account: account, peerId: peer.id)
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|> map { photos -> [AvatarGalleryEntry] in
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var result: [AvatarGalleryEntry] = []
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let initialEntries = initialAvatarGalleryEntries(peer: peer)
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if photos.isEmpty {
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result = initialEntries
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} else {
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var index: Int32 = 0
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for photo in photos {
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let indexData = GalleryItemIndexData(position: index, totalCount: Int32(photos.count))
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if result.isEmpty, let first = initialEntries.first {
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result.append(.image(photo.image.reference, first.representations, peer, photo.date, indexData, photo.messageId))
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} else {
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result.append(.image(photo.image.reference, photo.image.representations.map({ ImageRepresentationWithReference(representation: $0, reference: MediaResourceReference.standalone(resource: $0.resource)) }), peer, photo.date, indexData, photo.messageId))
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}
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index += 1
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}
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}
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return result
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}
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}
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public class AvatarGalleryController: 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 peer: Peer
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private var presentationData: PresentationData
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private let _ready = Promise<Bool>()
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override public 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 var adjustedForInitialPreviewingLayout = false
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private let disposable = MetaDisposable()
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private var entries: [AvatarGalleryEntry] = []
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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?>()
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private let centralItemAttributesDisposable = DisposableSet();
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private let _hiddenMedia = Promise<AvatarGalleryEntry?>(nil)
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public var hiddenMedia: Signal<AvatarGalleryEntry?, NoError> {
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return self._hiddenMedia.get()
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}
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private let replaceRootController: (ViewController, ValuePromise<Bool>?) -> Void
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public init(context: AccountContext, peer: Peer, remoteEntries: Promise<[AvatarGalleryEntry]>? = nil, replaceRootController: @escaping (ViewController, ValuePromise<Bool>?) -> Void, synchronousLoad: Bool = false) {
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self.context = context
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self.peer = peer
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self.presentationData = context.sharedContext.currentPresentationData.with { $0 }
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self.replaceRootController = replaceRootController
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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: self.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 remoteEntriesSignal: Signal<[AvatarGalleryEntry], NoError>
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if let remoteEntries = remoteEntries {
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remoteEntriesSignal = remoteEntries.get()
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} else {
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remoteEntriesSignal = fetchedAvatarGalleryEntries(account: context.account, peer: peer)
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}
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let entriesSignal: Signal<[AvatarGalleryEntry], NoError> = .single(initialAvatarGalleryEntries(peer: peer)) |> then(remoteEntriesSignal)
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let presentationData = self.presentationData
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let semaphore: DispatchSemaphore?
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if synchronousLoad {
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semaphore = DispatchSemaphore(value: 0)
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} else {
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semaphore = nil
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}
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let syncResult = Atomic<(Bool, (() -> Void)?)>(value: (false, nil))
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self.disposable.set(entriesSignal.start(next: { [weak self] entries in
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let f: () -> Void = {
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if let strongSelf = self {
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strongSelf.entries = entries
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strongSelf.centralEntryIndex = 0
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if strongSelf.isViewLoaded {
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let canDelete: Bool
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if strongSelf.peer.id == strongSelf.context.account.peerId {
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canDelete = true
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} else if let group = strongSelf.peer as? TelegramGroup {
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switch group.role {
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case .creator, .admin:
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canDelete = true
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case .member:
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canDelete = false
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}
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} else if let channel = strongSelf.peer as? TelegramChannel {
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canDelete = channel.hasPermission(.changeInfo)
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} else {
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canDelete = false
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}
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strongSelf.galleryNode.pager.replaceItems(strongSelf.entries.map({ entry in PeerAvatarImageGalleryItem(context: context, peer: peer, presentationData: presentationData, entry: entry, delete: canDelete ? {
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self?.deleteEntry(entry)
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} : nil) }), centralItemIndex: 0, keepFirst: true)
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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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var process = false
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let _ = syncResult.modify { processed, _ in
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if !processed {
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return (processed, f)
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}
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process = true
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return (true, nil)
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}
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semaphore?.signal()
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if process {
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Queue.mainQueue().async {
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f()
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}
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}
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}))
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if let semaphore = semaphore {
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let _ = semaphore.wait(timeout: DispatchTime.now() + 1.0)
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}
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var syncResultApply: (() -> Void)?
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let _ = syncResult.modify { processed, f in
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syncResultApply = f
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return (true, nil)
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}
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syncResultApply?()
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self.centralItemAttributesDisposable.add(self.centralItemTitle.get().start(next: { [weak self] title in
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if let strongSelf = self {
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strongSelf.navigationItem.setTitle(title, animated: strongSelf.navigationItem.title?.isEmpty ?? true)
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}
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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? AvatarGalleryControllerPresentationArguments {
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if !self.entries.isEmpty {
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if centralItemNode.index == 0, 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 public 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? AvatarGalleryControllerPresentationArguments {
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if centralItemNode.index != 0 {
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return nil
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}
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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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let canDelete: Bool
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if self.peer.id == self.context.account.peerId {
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canDelete = true
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} else if let group = self.peer as? TelegramGroup {
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switch group.role {
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case .creator, .admin:
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canDelete = true
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case .member:
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canDelete = false
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}
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} else if let channel = self.peer as? TelegramChannel {
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canDelete = channel.hasPermission(.changeInfo)
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} else {
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canDelete = false
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}
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let presentationData = self.presentationData
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self.galleryNode.pager.replaceItems(self.entries.map({ entry in PeerAvatarImageGalleryItem(context: self.context, peer: peer, presentationData: presentationData, entry: entry, delete: canDelete ? { [weak self] in
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self?.deleteEntry(entry)
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} : nil) }), centralItemIndex: self.centralEntryIndex)
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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: AvatarGalleryEntry?
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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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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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override public func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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}
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override public 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? AvatarGalleryControllerPresentationArguments {
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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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if presentationArguments.animated {
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centralItemNode.animateIn(from: transitionArguments.transitionNode, addToTransitionSurface: transitionArguments.addToTransitionSurface)
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}
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self._hiddenMedia.set(.single(self.entries[centralItemNode.index]))
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}
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}
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if !self.isPresentedInPreviewingContext() {
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self.galleryNode.setControlsHidden(false, animated: false)
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if let presentationArguments = self.presentationArguments as? AvatarGalleryControllerPresentationArguments {
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if presentationArguments.animated {
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self.galleryNode.animateIn(animateContent: !nodeAnimatesItself)
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}
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}
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}
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}
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override public 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 !self.adjustedForInitialPreviewingLayout && self.isPresentedInPreviewingContext() {
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self.adjustedForInitialPreviewingLayout = true
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self.galleryNode.setControlsHidden(true, animated: false)
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if let centralItemNode = self.galleryNode.pager.centralItemNode(), let itemSize = centralItemNode.contentSize() {
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self.preferredContentSize = itemSize.aspectFitted(self.view.bounds.size)
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self.containerLayoutUpdated(ContainerViewLayout(size: self.preferredContentSize, metrics: LayoutMetrics(), deviceMetrics: layout.deviceMetrics, intrinsicInsets: UIEdgeInsets(), safeInsets: UIEdgeInsets(), statusBarHeight: nil, inputHeight: nil, inputHeightIsInteractivellyChanging: false, inVoiceOver: false), transition: .immediate)
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centralItemNode.activateAsInitial()
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}
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}
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}
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private func deleteEntry(_ entry: AvatarGalleryEntry) {
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switch entry {
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case .topImage:
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if self.peer.id == self.context.account.peerId {
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} else {
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if entry == self.entries.first {
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let _ = updatePeerPhoto(postbox: self.context.account.postbox, network: self.context.account.network, stateManager: self.context.account.stateManager, accountPeerId: self.context.account.peerId, peerId: self.peer.id, photo: nil, mapResourceToAvatarSizes: { _, _ in .single([:]) }).start()
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self.dismiss(forceAway: true)
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} else {
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if let index = self.entries.firstIndex(of: entry) {
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self.entries.remove(at: index)
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self.galleryNode.pager.transaction(GalleryPagerTransaction(deleteItems: [index], insertItems: [], updateItems: [], focusOnItem: index - 1))
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}
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}
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}
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case let .image(reference, _, _, _, _, messageId):
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if self.peer.id == self.context.account.peerId {
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if let reference = reference {
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let _ = removeAccountPhoto(network: self.context.account.network, reference: reference).start()
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}
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if entry == self.entries.first {
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self.dismiss(forceAway: true)
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} else {
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if let index = self.entries.firstIndex(of: entry) {
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self.entries.remove(at: index)
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self.galleryNode.pager.transaction(GalleryPagerTransaction(deleteItems: [index], insertItems: [], updateItems: [], focusOnItem: index - 1))
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}
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}
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} else {
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if let messageId = messageId {
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let _ = deleteMessagesInteractively(postbox: self.context.account.postbox, messageIds: [messageId], type: .forEveryone).start()
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}
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if entry == self.entries.first {
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let _ = updatePeerPhoto(postbox: self.context.account.postbox, network: self.context.account.network, stateManager: self.context.account.stateManager, accountPeerId: self.context.account.peerId, peerId: self.peer.id, photo: nil, mapResourceToAvatarSizes: { _, _ in .single([:]) }).start()
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self.dismiss(forceAway: true)
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} else {
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if let index = self.entries.firstIndex(of: entry) {
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self.entries.remove(at: index)
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self.galleryNode.pager.transaction(GalleryPagerTransaction(deleteItems: [index], insertItems: [], updateItems: [], focusOnItem: index - 1))
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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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