mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
367 lines
18 KiB
Swift
367 lines
18 KiB
Swift
import Foundation
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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 SafariServices
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struct InstantPageGalleryEntryLocation: Equatable {
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let position: Int32
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let totalCount: Int32
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static func ==(lhs: InstantPageGalleryEntryLocation, rhs: InstantPageGalleryEntryLocation) -> 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 InstantPageGalleryEntry: Equatable {
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let index: Int32
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let pageId: MediaId
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let media: InstantPageMedia
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let caption: RichText?
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let credit: RichText?
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let location: InstantPageGalleryEntryLocation?
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static func ==(lhs: InstantPageGalleryEntry, rhs: InstantPageGalleryEntry) -> Bool {
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return lhs.index == rhs.index && lhs.pageId == rhs.pageId && lhs.media == rhs.media && lhs.caption == rhs.caption && lhs.credit == rhs.credit && lhs.location == rhs.location
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}
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func item(context: AccountContext, webPage: TelegramMediaWebpage, presentationData: PresentationData, openUrl: @escaping (InstantPageUrlItem) -> Void, openUrlOptions: @escaping (InstantPageUrlItem) -> Void) -> GalleryItem {
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let caption: NSAttributedString
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let credit: NSAttributedString
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let styleStack = InstantPageTextStyleStack()
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styleStack.push(.fontSize(16.0))
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styleStack.push(.textColor(.white))
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styleStack.push(.markerColor(UIColor(rgb: 0x313131)))
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styleStack.push(.linkColor(UIColor(rgb: 0x5ac8fa)))
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styleStack.push(.linkMarkerColor(UIColor(rgb: 0x5ac8fa, alpha: 0.2)))
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styleStack.push(.fontSerif(false))
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if let url = self.media.url {
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styleStack.push(.lineSpacingFactor(1.45))
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let titleString = RichText.bold(.plain(presentationData.strings.InstantPage_TapToOpenLink + "\n"))
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let urlString = RichText.url(text: .plain(url.url), url: url.url, webpageId: url.webpageId)
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let urlText = RichText.concat([titleString, urlString])
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caption = attributedStringForRichText(urlText, styleStack: styleStack)
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credit = NSAttributedString(string: "")
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} else {
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if let mediaCaption = self.media.caption {
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caption = attributedStringForRichText(mediaCaption, styleStack: styleStack)
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} else {
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caption = NSAttributedString(string: "")
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}
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if let mediaCredit = self.media.credit {
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let styleStack = InstantPageTextStyleStack()
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styleStack.push(.fontSize(14.0))
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styleStack.push(.textColor(.white))
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styleStack.push(.markerColor(UIColor(rgb: 0x313131)))
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styleStack.push(.linkColor(UIColor(rgb: 0x5ac8fa)))
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styleStack.push(.linkMarkerColor(UIColor(rgb: 0x5ac8fa, alpha: 0.2)))
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styleStack.push(.fontSerif(false))
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credit = attributedStringForRichText(mediaCredit, styleStack: styleStack)
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} else {
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credit = NSAttributedString(string: "")
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}
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}
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if let image = self.media.media as? TelegramMediaImage {
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return InstantImageGalleryItem(context: context, presentationData: presentationData, imageReference: .webPage(webPage: WebpageReference(webPage), media: image), caption: caption, credit: credit, location: self.location, openUrl: openUrl, openUrlOptions: openUrlOptions)
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} else if let file = self.media.media as? TelegramMediaFile, file.isVideo {
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var indexData: GalleryItemIndexData?
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if let location = self.location {
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indexData = GalleryItemIndexData(position: location.position, totalCount: location.totalCount)
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}
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return UniversalVideoGalleryItem(context: context, presentationData: presentationData, content: NativeVideoContent(id: .instantPage(self.pageId, file.fileId), fileReference: .webPage(webPage: WebpageReference(webPage), media: file)), originData: nil, indexData: indexData, contentInfo: .webPage(webPage, file), caption: caption, credit: credit, performAction: { _ in }, openActionOptions: { _ in })
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} else if let embedWebpage = self.media.media as? TelegramMediaWebpage, case let .Loaded(webpageContent) = embedWebpage.content {
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if let content = WebEmbedVideoContent(webPage: embedWebpage, webpageContent: webpageContent) {
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return UniversalVideoGalleryItem(context: context, presentationData: presentationData, content: content, originData: nil, indexData: nil, contentInfo: .webPage(webPage, embedWebpage), caption: NSAttributedString(string: ""), performAction: { _ in }, openActionOptions: { _ in })
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} else {
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preconditionFailure()
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}
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} else {
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preconditionFailure()
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}
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}
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}
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final class InstantPageGalleryControllerPresentationArguments {
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let transitionArguments: (InstantPageGalleryEntry) -> GalleryTransitionArguments?
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init(transitionArguments: @escaping (InstantPageGalleryEntry) -> GalleryTransitionArguments?) {
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self.transitionArguments = transitionArguments
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}
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}
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class InstantPageGalleryController: ViewController {
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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 webPage: TelegramMediaWebpage
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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: [InstantPageGalleryEntry] = []
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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<InstantPageGalleryEntry?>(nil)
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var hiddenMedia: Signal<InstantPageGalleryEntry?, 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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private let baseNavigationController: NavigationController?
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var openUrl: ((InstantPageUrlItem) -> Void)?
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private var innerOpenUrl: (InstantPageUrlItem) -> Void
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private var openUrlOptions: (InstantPageUrlItem) -> Void
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init(context: AccountContext, webPage: TelegramMediaWebpage, entries: [InstantPageGalleryEntry], centralIndex: Int, replaceRootController: @escaping (ViewController, ValuePromise<Bool>?) -> Void, baseNavigationController: NavigationController?) {
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self.context = context
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self.webPage = webPage
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self.replaceRootController = replaceRootController
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self.baseNavigationController = baseNavigationController
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self.presentationData = context.currentPresentationData.with { $0 }
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var openLinkImpl: ((InstantPageUrlItem) -> Void)?
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self.innerOpenUrl = { url in
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openLinkImpl?(url)
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}
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var openLinkOptionsImpl: ((InstantPageUrlItem) -> Void)?
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self.openUrlOptions = { url in
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openLinkOptionsImpl?(url)
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}
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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<[InstantPageGalleryEntry], 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, webPage: webPage, presentationData: strongSelf.presentationData, openUrl: strongSelf.innerOpenUrl, openUrlOptions: strongSelf.openUrlOptions)
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}), centralItemIndex: centralIndex, keepFirst: false)
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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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openLinkImpl = { [weak self] url in
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if let strongSelf = self {
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strongSelf.dismiss(forceAway: false)
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strongSelf.openUrl?(url)
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}
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}
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openLinkOptionsImpl = { [weak self] url in
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if let strongSelf = self {
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let canOpenIn = availableOpenInOptions(context: context, item: .url(url: url.url)).count > 1
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let openText = canOpenIn ? strongSelf.presentationData.strings.Conversation_FileOpenIn : strongSelf.presentationData.strings.Conversation_LinkDialogOpen
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let actionSheet = ActionSheetController(presentationTheme: strongSelf.presentationData.theme)
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actionSheet.setItemGroups([ActionSheetItemGroup(items: [
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ActionSheetTextItem(title: url.url),
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ActionSheetButtonItem(title: openText, color: .accent, action: { [weak actionSheet] in
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actionSheet?.dismissAnimated()
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openLinkImpl?(url)
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}),
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ActionSheetButtonItem(title: strongSelf.presentationData.strings.ShareMenu_CopyShareLink, color: .accent, action: { [weak actionSheet] in
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actionSheet?.dismissAnimated()
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UIPasteboard.general.string = url.url
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}),
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ActionSheetButtonItem(title: strongSelf.presentationData.strings.Conversation_AddToReadingList, color: .accent, action: { [weak actionSheet] in
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actionSheet?.dismissAnimated()
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if let link = URL(string: url.url) {
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let _ = try? SSReadingList.default()?.addItem(with: link, title: nil, previewText: nil)
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}
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})
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]), ActionSheetItemGroup(items: [
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ActionSheetButtonItem(title: strongSelf.presentationData.strings.Common_Cancel, color: .accent, action: { [weak actionSheet] in
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actionSheet?.dismissAnimated()
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})
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])])
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strongSelf.present(actionSheet, in: .window(.root))
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}
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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? InstantPageGalleryControllerPresentationArguments {
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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? InstantPageGalleryControllerPresentationArguments {
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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.replaceItems(self.entries.map({
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$0.item(context: self.context, webPage: self.webPage, presentationData: self.presentationData, openUrl: self.innerOpenUrl, openUrlOptions: self.openUrlOptions)
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}), 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: InstantPageGalleryEntry?
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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 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? InstantPageGalleryControllerPresentationArguments {
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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)
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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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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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}
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}
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