mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
380 lines
16 KiB
Swift
380 lines
16 KiB
Swift
import Foundation
|
|
import Display
|
|
import QuickLook
|
|
import Postbox
|
|
import SwiftSignalKit
|
|
import AsyncDisplayKit
|
|
import TelegramCore
|
|
|
|
enum AvatarGalleryEntry: Equatable {
|
|
case topImage([TelegramMediaImageRepresentation], GalleryItemIndexData?)
|
|
case image(TelegramMediaImage, GalleryItemIndexData?)
|
|
|
|
var representations: [TelegramMediaImageRepresentation] {
|
|
switch self {
|
|
case let .topImage(representations, _):
|
|
return representations
|
|
case let .image(image, _):
|
|
return image.representations
|
|
}
|
|
}
|
|
|
|
var indexData: GalleryItemIndexData? {
|
|
switch self {
|
|
case let .topImage(_, indexData):
|
|
return indexData
|
|
case let .image(_, indexData):
|
|
return indexData
|
|
}
|
|
}
|
|
|
|
static func ==(lhs: AvatarGalleryEntry, rhs: AvatarGalleryEntry) -> Bool {
|
|
switch lhs {
|
|
case let .topImage(lhsRepresentations, lhsIndexData):
|
|
if case let .topImage(rhsRepresentations, rhsIndexData) = rhs, lhsRepresentations == rhsRepresentations, lhsIndexData == rhsIndexData {
|
|
return true
|
|
} else {
|
|
return false
|
|
}
|
|
case let .image(lhsImage, lhsIndexData):
|
|
if case let .image(rhsImage, rhsIndexData) = rhs, lhsImage.isEqual(rhsImage), lhsIndexData == rhsIndexData {
|
|
return true
|
|
} else {
|
|
return false
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
final class AvatarGalleryControllerPresentationArguments {
|
|
let animated: Bool
|
|
let transitionArguments: (AvatarGalleryEntry) -> GalleryTransitionArguments?
|
|
|
|
init(animated: Bool = true, transitionArguments: @escaping (AvatarGalleryEntry) -> GalleryTransitionArguments?) {
|
|
self.animated = animated
|
|
self.transitionArguments = transitionArguments
|
|
}
|
|
}
|
|
|
|
private func initialAvatarGalleryEntries(peer: Peer) -> [AvatarGalleryEntry]{
|
|
var initialEntries: [AvatarGalleryEntry] = []
|
|
if let user = peer as? TelegramUser, !user.photo.isEmpty {
|
|
initialEntries.append(.topImage(user.photo, nil))
|
|
} else if let group = peer as? TelegramGroup {
|
|
initialEntries.append(.topImage(group.photo, nil))
|
|
} else if let channel = peer as? TelegramChannel {
|
|
initialEntries.append(.topImage(channel.photo, nil))
|
|
}
|
|
return initialEntries
|
|
}
|
|
|
|
func fetchedAvatarGalleryEntries(account: Account, peer: Peer) -> Signal<[AvatarGalleryEntry], NoError> {
|
|
return requestPeerPhotos(account: account, peerId: peer.id) |> map { photos -> [AvatarGalleryEntry] in
|
|
var result: [AvatarGalleryEntry] = []
|
|
let initialEntries = initialAvatarGalleryEntries(peer: peer)
|
|
if photos.isEmpty {
|
|
result = initialEntries
|
|
} else {
|
|
var index: Int32 = 0
|
|
for photo in photos {
|
|
let indexData = GalleryItemIndexData(position: index, totalCount: Int32(photos.count))
|
|
if result.isEmpty, let first = initialEntries.first {
|
|
let image = TelegramMediaImage(imageId: photo.image.imageId, representations: first.representations, reference: photo.reference)
|
|
result.append(.image(image, indexData))
|
|
} else {
|
|
result.append(.image(photo.image, indexData))
|
|
}
|
|
index += 1
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
}
|
|
|
|
class AvatarGalleryController: ViewController {
|
|
private var galleryNode: GalleryControllerNode {
|
|
return self.displayNode as! GalleryControllerNode
|
|
}
|
|
|
|
private let account: Account
|
|
|
|
private var presentationData: PresentationData
|
|
|
|
private let _ready = Promise<Bool>()
|
|
override var ready: Promise<Bool> {
|
|
return self._ready
|
|
}
|
|
private var didSetReady = false
|
|
|
|
private var adjustedForInitialPreviewingLayout = false
|
|
|
|
private let disposable = MetaDisposable()
|
|
|
|
private var entries: [AvatarGalleryEntry] = []
|
|
private var centralEntryIndex: Int?
|
|
|
|
private let centralItemTitle = Promise<String>()
|
|
private let centralItemTitleView = Promise<UIView?>()
|
|
private let centralItemNavigationStyle = Promise<GalleryItemNodeNavigationStyle>()
|
|
private let centralItemFooterContentNode = Promise<GalleryFooterContentNode?>()
|
|
private let centralItemAttributesDisposable = DisposableSet();
|
|
|
|
private let _hiddenMedia = Promise<AvatarGalleryEntry?>(nil)
|
|
var hiddenMedia: Signal<AvatarGalleryEntry?, NoError> {
|
|
return self._hiddenMedia.get()
|
|
}
|
|
|
|
private let replaceRootController: (ViewController, ValuePromise<Bool>?) -> Void
|
|
|
|
init(account: Account, peer: Peer, remoteEntries: Promise<[AvatarGalleryEntry]>? = nil, replaceRootController: @escaping (ViewController, ValuePromise<Bool>?) -> Void, synchronousLoad: Bool = false) {
|
|
self.account = account
|
|
self.presentationData = account.telegramApplicationContext.currentPresentationData.with { $0 }
|
|
self.replaceRootController = replaceRootController
|
|
|
|
super.init(navigationBarTheme: GalleryController.darkNavigationTheme)
|
|
|
|
let backItem = UIBarButtonItem(backButtonAppearanceWithTitle: self.presentationData.strings.Common_Back, target: self, action: #selector(self.donePressed))
|
|
self.navigationItem.leftBarButtonItem = backItem
|
|
|
|
self.statusBar.statusBarStyle = .White
|
|
|
|
let remoteEntriesSignal: Signal<[AvatarGalleryEntry], NoError>
|
|
if let remoteEntries = remoteEntries {
|
|
remoteEntriesSignal = remoteEntries.get()
|
|
} else {
|
|
remoteEntriesSignal = fetchedAvatarGalleryEntries(account: account, peer: peer)
|
|
}
|
|
|
|
let entriesSignal: Signal<[AvatarGalleryEntry], NoError> = .single(initialAvatarGalleryEntries(peer: peer)) |> then(remoteEntriesSignal)
|
|
|
|
let presentationData = self.presentationData
|
|
|
|
let semaphore: DispatchSemaphore?
|
|
if synchronousLoad {
|
|
semaphore = DispatchSemaphore(value: 0)
|
|
} else {
|
|
semaphore = nil
|
|
}
|
|
|
|
let syncResult = Atomic<(Bool, (() -> Void)?)>(value: (false, nil))
|
|
|
|
self.disposable.set(entriesSignal.start(next: { [weak self] entries in
|
|
let f: () -> Void = {
|
|
if let strongSelf = self {
|
|
strongSelf.entries = entries
|
|
strongSelf.centralEntryIndex = 0
|
|
if strongSelf.isViewLoaded {
|
|
strongSelf.galleryNode.pager.replaceItems(strongSelf.entries.map({ PeerAvatarImageGalleryItem(account: account, strings: presentationData.strings, entry: $0) }), centralItemIndex: 0, keepFirst: true)
|
|
|
|
let ready = strongSelf.galleryNode.pager.ready() |> timeout(2.0, queue: Queue.mainQueue(), alternate: .single(Void())) |> afterNext { [weak strongSelf] _ in
|
|
strongSelf?.didSetReady = true
|
|
}
|
|
strongSelf._ready.set(ready |> map { true })
|
|
}
|
|
}
|
|
}
|
|
|
|
var process = false
|
|
let _ = syncResult.modify { processed, _ in
|
|
if !processed {
|
|
return (processed, f)
|
|
}
|
|
process = true
|
|
return (true, nil)
|
|
}
|
|
semaphore?.signal()
|
|
if process {
|
|
Queue.mainQueue().async {
|
|
f()
|
|
}
|
|
}
|
|
}))
|
|
|
|
if let semaphore = semaphore {
|
|
let _ = semaphore.wait(timeout: DispatchTime.now() + 1.0)
|
|
}
|
|
|
|
var syncResultApply: (() -> Void)?
|
|
let _ = syncResult.modify { processed, f in
|
|
syncResultApply = f
|
|
return (true, nil)
|
|
}
|
|
|
|
syncResultApply?()
|
|
|
|
self.centralItemAttributesDisposable.add(self.centralItemTitle.get().start(next: { [weak self] title in
|
|
if let strongSelf = self {
|
|
strongSelf.navigationItem.setTitle(title, animated: strongSelf.navigationItem.title?.isEmpty ?? true)
|
|
}
|
|
}))
|
|
|
|
self.centralItemAttributesDisposable.add(self.centralItemTitleView.get().start(next: { [weak self] titleView in
|
|
self?.navigationItem.titleView = titleView
|
|
}))
|
|
|
|
self.centralItemAttributesDisposable.add(self.centralItemFooterContentNode.get().start(next: { [weak self] footerContentNode in
|
|
self?.galleryNode.updatePresentationState({
|
|
$0.withUpdatedFooterContentNode(footerContentNode)
|
|
}, transition: .immediate)
|
|
}))
|
|
}
|
|
|
|
required init(coder aDecoder: NSCoder) {
|
|
fatalError("init(coder:) has not been implemented")
|
|
}
|
|
|
|
deinit {
|
|
self.disposable.dispose()
|
|
self.centralItemAttributesDisposable.dispose()
|
|
}
|
|
|
|
@objc func donePressed() {
|
|
self.dismiss(forceAway: false)
|
|
}
|
|
|
|
private func dismiss(forceAway: Bool) {
|
|
var animatedOutNode = true
|
|
var animatedOutInterface = false
|
|
|
|
let completion = { [weak self] in
|
|
if animatedOutNode && animatedOutInterface {
|
|
self?._hiddenMedia.set(.single(nil))
|
|
self?.presentingViewController?.dismiss(animated: false, completion: nil)
|
|
}
|
|
}
|
|
|
|
if let centralItemNode = self.galleryNode.pager.centralItemNode(), let presentationArguments = self.presentationArguments as? AvatarGalleryControllerPresentationArguments {
|
|
if !self.entries.isEmpty {
|
|
if centralItemNode.index == 0, let transitionArguments = presentationArguments.transitionArguments(self.entries[centralItemNode.index]), !forceAway {
|
|
animatedOutNode = false
|
|
centralItemNode.animateOut(to: transitionArguments.transitionNode, addToTransitionSurface: transitionArguments.addToTransitionSurface, completion: {
|
|
animatedOutNode = true
|
|
completion()
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
self.galleryNode.animateOut(animateContent: animatedOutNode, completion: {
|
|
animatedOutInterface = true
|
|
completion()
|
|
})
|
|
}
|
|
|
|
override func loadDisplayNode() {
|
|
let controllerInteraction = GalleryControllerInteraction(presentController: { [weak self] controller, arguments in
|
|
if let strongSelf = self {
|
|
strongSelf.present(controller, in: .window(.root), with: arguments)
|
|
}
|
|
}, dismissController: { [weak self] in
|
|
self?.dismiss(forceAway: true)
|
|
}, replaceRootController: { [weak self] controller, ready in
|
|
if let strongSelf = self {
|
|
strongSelf.replaceRootController(controller, ready)
|
|
}
|
|
})
|
|
self.displayNode = GalleryControllerNode(controllerInteraction: controllerInteraction)
|
|
self.displayNodeDidLoad()
|
|
|
|
self.galleryNode.statusBar = self.statusBar
|
|
self.galleryNode.navigationBar = self.navigationBar
|
|
|
|
self.galleryNode.transitionDataForCentralItem = { [weak self] in
|
|
if let strongSelf = self {
|
|
if let centralItemNode = strongSelf.galleryNode.pager.centralItemNode(), let presentationArguments = strongSelf.presentationArguments as? AvatarGalleryControllerPresentationArguments {
|
|
if centralItemNode.index != 0 {
|
|
return nil
|
|
}
|
|
if let transitionArguments = presentationArguments.transitionArguments(strongSelf.entries[centralItemNode.index]) {
|
|
return (transitionArguments.transitionNode, transitionArguments.addToTransitionSurface)
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
self.galleryNode.dismiss = { [weak self] in
|
|
self?._hiddenMedia.set(.single(nil))
|
|
self?.presentingViewController?.dismiss(animated: false, completion: nil)
|
|
}
|
|
|
|
let presentationData = self.presentationData
|
|
self.galleryNode.pager.replaceItems(self.entries.map({ PeerAvatarImageGalleryItem(account: self.account, strings: presentationData.strings, entry: $0) }), centralItemIndex: self.centralEntryIndex)
|
|
|
|
self.galleryNode.pager.centralItemIndexUpdated = { [weak self] index in
|
|
if let strongSelf = self {
|
|
var hiddenItem: AvatarGalleryEntry?
|
|
if let index = index {
|
|
hiddenItem = strongSelf.entries[index]
|
|
|
|
if let node = strongSelf.galleryNode.pager.centralItemNode() {
|
|
strongSelf.centralItemTitle.set(node.title())
|
|
strongSelf.centralItemTitleView.set(node.titleView())
|
|
strongSelf.centralItemNavigationStyle.set(node.navigationStyle())
|
|
strongSelf.centralItemFooterContentNode.set(node.footerContent())
|
|
}
|
|
}
|
|
if strongSelf.didSetReady {
|
|
strongSelf._hiddenMedia.set(.single(hiddenItem))
|
|
}
|
|
}
|
|
}
|
|
|
|
let ready = self.galleryNode.pager.ready() |> timeout(2.0, queue: Queue.mainQueue(), alternate: .single(Void())) |> afterNext { [weak self] _ in
|
|
self?.didSetReady = true
|
|
}
|
|
self._ready.set(ready |> map { true })
|
|
}
|
|
|
|
override func viewWillAppear(_ animated: Bool) {
|
|
super.viewWillAppear(animated)
|
|
}
|
|
|
|
override func viewDidAppear(_ animated: Bool) {
|
|
super.viewDidAppear(animated)
|
|
|
|
var nodeAnimatesItself = false
|
|
|
|
if let centralItemNode = self.galleryNode.pager.centralItemNode(), let presentationArguments = self.presentationArguments as? AvatarGalleryControllerPresentationArguments {
|
|
self.centralItemTitle.set(centralItemNode.title())
|
|
self.centralItemTitleView.set(centralItemNode.titleView())
|
|
self.centralItemNavigationStyle.set(centralItemNode.navigationStyle())
|
|
self.centralItemFooterContentNode.set(centralItemNode.footerContent())
|
|
|
|
if let transitionArguments = presentationArguments.transitionArguments(self.entries[centralItemNode.index]) {
|
|
nodeAnimatesItself = true
|
|
if presentationArguments.animated {
|
|
centralItemNode.animateIn(from: transitionArguments.transitionNode, addToTransitionSurface: transitionArguments.addToTransitionSurface)
|
|
}
|
|
|
|
self._hiddenMedia.set(.single(self.entries[centralItemNode.index]))
|
|
}
|
|
}
|
|
|
|
if !self.isPresentedInPreviewingContext() {
|
|
self.galleryNode.setControlsHidden(false, animated: false)
|
|
if let presentationArguments = self.presentationArguments as? AvatarGalleryControllerPresentationArguments {
|
|
if presentationArguments.animated {
|
|
self.galleryNode.animateIn(animateContent: !nodeAnimatesItself)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
override func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
|
|
super.containerLayoutUpdated(layout, transition: transition)
|
|
|
|
self.galleryNode.frame = CGRect(origin: CGPoint(), size: layout.size)
|
|
self.galleryNode.containerLayoutUpdated(layout, navigationBarHeight: self.navigationHeight, transition: transition)
|
|
|
|
if !self.adjustedForInitialPreviewingLayout && self.isPresentedInPreviewingContext() {
|
|
self.adjustedForInitialPreviewingLayout = true
|
|
self.galleryNode.setControlsHidden(true, animated: false)
|
|
if let centralItemNode = self.galleryNode.pager.centralItemNode(), let itemSize = centralItemNode.contentSize() {
|
|
self.preferredContentSize = itemSize.aspectFitted(self.view.bounds.size)
|
|
self.containerLayoutUpdated(ContainerViewLayout(size: self.preferredContentSize, metrics: LayoutMetrics(), intrinsicInsets: UIEdgeInsets(), safeInsets: UIEdgeInsets(), statusBarHeight: nil, inputHeight: nil, standardInputHeight: 216.0, inputHeightIsInteractivellyChanging: false), transition: .immediate)
|
|
centralItemNode.activateAsInitial()
|
|
}
|
|
}
|
|
}
|
|
}
|