mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
440 lines
23 KiB
Swift
440 lines
23 KiB
Swift
import Foundation
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import UIKit
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import Display
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import AsyncDisplayKit
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import Postbox
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import TelegramCore
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import SafariServices
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import TelegramPresentationData
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import AccountContext
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import ShareController
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import OpenInExternalAppUI
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import TelegramUIPreferences
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class InstantPageReferenceControllerNode: ViewControllerTracingNode, UIScrollViewDelegate {
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private let context: AccountContext
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private let sourcePeerType: MediaAutoDownloadPeerType
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private let theme: InstantPageTheme
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private var presentationData: PresentationData
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private let webPage: TelegramMediaWebpage
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private let anchorText: NSAttributedString
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private let dimNode: ASDisplayNode
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private let wrappingScrollNode: ASScrollNode
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private let contentContainerNode: ASDisplayNode
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private let contentBackgroundNode: ASImageNode
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private var contentNode: InstantPageContentNode?
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private let titleNode: ASTextNode
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private let separatorNode: ASDisplayNode
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private let closeButton: HighlightableButtonNode
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private var linkHighlightingNode: LinkHighlightingNode?
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private var textSelectionNode: LinkHighlightingNode?
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private var containerLayout: (ContainerViewLayout, CGFloat)?
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private var openUrl: (InstantPageUrlItem) -> Void
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private var openUrlIn: (InstantPageUrlItem) -> Void
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private var present: (ViewController, Any?) -> Void
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var dismiss: (() -> Void)?
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var close: (() -> Void)?
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init(context: AccountContext, sourcePeerType: MediaAutoDownloadPeerType, theme: InstantPageTheme, webPage: TelegramMediaWebpage, anchorText: NSAttributedString, openUrl: @escaping (InstantPageUrlItem) -> Void, openUrlIn: @escaping (InstantPageUrlItem) -> Void, present: @escaping (ViewController, Any?) -> Void) {
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self.context = context
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self.sourcePeerType = sourcePeerType
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self.presentationData = context.sharedContext.currentPresentationData.with { $0 }
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self.theme = theme
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self.webPage = webPage
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self.anchorText = anchorText
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self.openUrl = openUrl
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self.openUrlIn = openUrlIn
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self.present = present
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self.wrappingScrollNode = ASScrollNode()
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self.wrappingScrollNode.view.alwaysBounceVertical = true
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self.wrappingScrollNode.view.delaysContentTouches = false
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self.wrappingScrollNode.view.canCancelContentTouches = true
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self.dimNode = ASDisplayNode()
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self.dimNode.backgroundColor = UIColor(white: 0.0, alpha: 0.5)
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let roundedBackground = generateStretchableFilledCircleImage(radius: 16.0, color: self.theme.overlayPanelColor)
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self.contentContainerNode = ASDisplayNode()
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self.contentContainerNode.isOpaque = false
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self.contentContainerNode.clipsToBounds = true
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self.contentBackgroundNode = ASImageNode()
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self.contentBackgroundNode.displaysAsynchronously = false
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self.contentBackgroundNode.displayWithoutProcessing = true
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self.contentBackgroundNode.image = roundedBackground
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self.titleNode = ASTextNode()
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self.titleNode.attributedText = NSAttributedString(string: self.presentationData.strings.InstantPage_Reference, font: Font.bold(17.0), textColor: self.theme.panelSecondaryColor)
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self.separatorNode = ASDisplayNode()
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self.separatorNode.backgroundColor = self.theme.controlColor
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self.closeButton = HighlightableButtonNode()
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super.init()
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self.backgroundColor = nil
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self.isOpaque = false
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self.dimNode.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.dimTapGesture(_:))))
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self.addSubnode(self.dimNode)
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self.wrappingScrollNode.view.delegate = self
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self.addSubnode(self.wrappingScrollNode)
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self.wrappingScrollNode.addSubnode(self.contentBackgroundNode)
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self.wrappingScrollNode.addSubnode(self.contentContainerNode)
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self.contentContainerNode.addSubnode(self.titleNode)
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self.contentContainerNode.addSubnode(self.separatorNode)
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}
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override func didLoad() {
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super.didLoad()
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if #available(iOSApplicationExtension 11.0, iOS 11.0, *) {
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self.wrappingScrollNode.view.contentInsetAdjustmentBehavior = .never
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}
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let recognizer = TapLongTapOrDoubleTapGestureRecognizer(target: self, action: #selector(self.tapGesture(_:)))
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recognizer.delaysTouchesBegan = false
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recognizer.tapActionAtPoint = { [weak self] point in
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if let strongSelf = self, let contentNode = strongSelf.contentNode {
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return strongSelf.tapActionAtPoint(point.offsetBy(dx: -contentNode.frame.minX, dy: -contentNode.frame.minY))
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}
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return .waitForSingleTap
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}
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recognizer.highlight = { [weak self] point in
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if let strongSelf = self, let contentNode = strongSelf.contentNode {
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strongSelf.updateTouchesAtPoint(point?.offsetBy(dx: -contentNode.frame.minX, dy: -contentNode.frame.minY))
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}
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}
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self.contentContainerNode.view.addGestureRecognizer(recognizer)
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}
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@objc func closeButtonPressed() {
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self.close?()
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}
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@objc func dimTapGesture(_ recognizer: UITapGestureRecognizer) {
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if case .ended = recognizer.state {
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self.closeButtonPressed()
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}
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}
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func animateIn() {
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self.dimNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.4)
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let offset = self.bounds.size.height - self.contentBackgroundNode.frame.minY
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let dimPosition = self.dimNode.layer.position
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self.dimNode.layer.animatePosition(from: CGPoint(x: dimPosition.x, y: dimPosition.y - offset), to: dimPosition, duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring)
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self.layer.animateBoundsOriginYAdditive(from: -offset, to: 0.0, duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring)
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}
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func animateOut(completion: (() -> Void)? = nil) {
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var dimCompleted = false
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var offsetCompleted = false
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let internalCompletion: () -> Void = { [weak self] in
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if let strongSelf = self, dimCompleted && offsetCompleted {
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strongSelf.dismiss?()
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}
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completion?()
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}
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self.dimNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, removeOnCompletion: false, completion: { _ in
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dimCompleted = true
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internalCompletion()
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})
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let offset = self.bounds.size.height - self.contentBackgroundNode.frame.minY
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let dimPosition = self.dimNode.layer.position
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self.dimNode.layer.animatePosition(from: dimPosition, to: CGPoint(x: dimPosition.x, y: dimPosition.y - offset), duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
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self.layer.animateBoundsOriginYAdditive(from: 0.0, to: -offset, duration: 0.3, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false, completion: { _ in
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offsetCompleted = true
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internalCompletion()
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})
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}
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override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
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if self.bounds.contains(point) {
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if !self.contentBackgroundNode.bounds.contains(self.convert(point, to: self.contentBackgroundNode)) {
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return self.dimNode.view
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}
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}
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return super.hitTest(point, with: event)
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}
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func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
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let contentOffset = scrollView.contentOffset
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let additionalTopHeight = max(0.0, -contentOffset.y)
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if additionalTopHeight >= 30.0 {
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self.closeButtonPressed()
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}
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}
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func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
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self.containerLayout = (layout, navigationBarHeight)
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var insets = layout.insets(options: [.statusBar, .input])
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let cleanInsets = layout.insets(options: [.statusBar])
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insets.top = max(10.0, insets.top)
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let bottomInset: CGFloat = 10.0 + cleanInsets.bottom
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let titleAreaHeight: CGFloat = 54.0
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var contentHeight = titleAreaHeight + bottomInset
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let width = horizontalContainerFillingSizeForLayout(layout: layout, sideInset: layout.safeInsets.left)
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if self.contentNode == nil || self.contentNode?.frame.width != width {
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self.contentNode?.removeFromSupernode()
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var media: [MediaId: Media] = [:]
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if case let .Loaded(content) = self.webPage.content, let instantPage = content.instantPage {
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media = instantPage.media
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}
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let sideInset: CGFloat = 16.0
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let (_, items, contentSize) = layoutTextItemWithString(self.anchorText, boundingWidth: width - sideInset * 2.0, offset: CGPoint(x: sideInset, y: sideInset), media: media, webpage: self.webPage)
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let contentNode = InstantPageContentNode(context: self.context, strings: self.presentationData.strings, nameDisplayOrder: self.presentationData.nameDisplayOrder, sourcePeerType: self.sourcePeerType, theme: self.theme, items: items, contentSize: CGSize(width: width, height: contentSize.height), inOverlayPanel: true, openMedia: { _ in }, longPressMedia: { _ in }, openPeer: { _ in }, openUrl: { _ in })
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transition.updateFrame(node: contentNode, frame: CGRect(origin: CGPoint(x: 0.0, y: titleAreaHeight), size: CGSize(width: width, height: contentSize.height)))
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self.contentContainerNode.insertSubnode(contentNode, at: 0)
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self.contentNode = contentNode
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contentHeight += contentSize.height + sideInset
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contentNode.updateVisibleItems(visibleBounds: contentNode.bounds, animated: false)
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}
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let sideInset = floor((layout.size.width - width) / 2.0)
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let contentContainerFrame = CGRect(origin: CGPoint(x: sideInset, y: layout.size.height - contentHeight), size: CGSize(width: width, height: contentHeight))
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let contentFrame = contentContainerFrame
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var backgroundFrame = CGRect(origin: CGPoint(x: contentFrame.minX, y: contentFrame.minY), size: CGSize(width: contentFrame.size.width, height: contentFrame.size.height + 2000.0))
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if backgroundFrame.minY < contentFrame.minY {
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backgroundFrame.origin.y = contentFrame.minY
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}
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transition.updateFrame(node: self.contentBackgroundNode, frame: backgroundFrame)
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transition.updateFrame(node: self.wrappingScrollNode, frame: CGRect(origin: CGPoint(), size: layout.size))
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transition.updateFrame(node: self.dimNode, frame: CGRect(origin: CGPoint(), size: layout.size))
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let titleSize = self.titleNode.measure(CGSize(width: width, height: titleAreaHeight))
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let titleFrame = CGRect(origin: CGPoint(x: 17.0, y: 17.0), size: titleSize)
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transition.updateFrame(node: self.titleNode, frame: titleFrame)
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//transition.updateFrame(node: self.closeButtonNode, frame: CGRect(origin: CGPoint(x: sideInset, y: layout.size.height - bottomInset - buttonHeight), size: CGSize(width: width, height: buttonHeight)))
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transition.updateFrame(node: self.contentContainerNode, frame: contentContainerFrame)
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transition.updateFrame(node: self.separatorNode, frame: CGRect(origin: CGPoint(x: 0.0, y: titleAreaHeight), size: CGSize(width: contentContainerFrame.size.width, height: UIScreenPixel)))
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}
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func tapActionAtPoint(_ point: CGPoint) -> TapLongTapOrDoubleTapGestureRecognizerAction {
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if let contentNode = self.contentNode {
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for item in contentNode.currentLayout.items {
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let frame = contentNode.effectiveFrameForItem(item)
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if frame.contains(point) {
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if item is InstantPagePeerReferenceItem {
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return .fail
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} else if item is InstantPageAudioItem {
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return .fail
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} else if item is InstantPageArticleItem {
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return .fail
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} else if item is InstantPageFeedbackItem {
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return .fail
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}
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if !(item is InstantPageImageItem || item is InstantPagePlayableVideoItem) {
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break
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}
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}
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}
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}
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return .waitForSingleTap
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}
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private func updateTouchesAtPoint(_ location: CGPoint?) {
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var rects: [CGRect]?
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if let contentNode = self.contentNode, let location = location {
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for item in contentNode.currentLayout.items {
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let itemFrame = contentNode.effectiveFrameForItem(item)
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if itemFrame.contains(location) {
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var contentOffset = CGPoint()
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if let item = item as? InstantPageScrollableItem {
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contentOffset = contentNode.scrollableContentOffset(item: item)
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}
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var itemRects = item.linkSelectionRects(at: location.offsetBy(dx: -itemFrame.minX + contentOffset.x, dy: -itemFrame.minY))
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for i in 0 ..< itemRects.count {
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itemRects[i] = itemRects[i].offsetBy(dx: itemFrame.minX - contentOffset.x + contentNode.frame.minX, dy: itemFrame.minY + contentNode.frame.minY).insetBy(dx: -2.0, dy: -2.0)
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}
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if !itemRects.isEmpty {
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rects = itemRects
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break
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}
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}
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}
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}
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if let rects = rects {
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let linkHighlightingNode: LinkHighlightingNode
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if let current = self.linkHighlightingNode {
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linkHighlightingNode = current
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} else {
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linkHighlightingNode = LinkHighlightingNode(color: self.theme.linkHighlightColor)
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linkHighlightingNode.isUserInteractionEnabled = false
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self.linkHighlightingNode = linkHighlightingNode
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self.contentContainerNode.addSubnode(linkHighlightingNode)
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}
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linkHighlightingNode.frame = CGRect(origin: CGPoint(), size: self.contentContainerNode.bounds.size)
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linkHighlightingNode.updateRects(rects)
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} else if let linkHighlightingNode = self.linkHighlightingNode {
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self.linkHighlightingNode = nil
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linkHighlightingNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.18, removeOnCompletion: false, completion: { [weak linkHighlightingNode] _ in
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linkHighlightingNode?.removeFromSupernode()
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})
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}
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}
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private func textItemAtLocation(_ location: CGPoint) -> (InstantPageTextItem, CGPoint)? {
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if let contentNode = self.contentNode {
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for item in contentNode.currentLayout.items {
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let itemFrame = contentNode.effectiveFrameForItem(item)
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if itemFrame.contains(location) {
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if let item = item as? InstantPageTextItem, item.selectable {
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return (item, CGPoint(x: itemFrame.minX - item.frame.minX + contentNode.frame.minX, y: itemFrame.minY - item.frame.minY + contentNode.frame.minY))
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} else if let item = item as? InstantPageScrollableItem {
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let contentOffset = contentNode.scrollableContentOffset(item: item)
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if let (textItem, parentOffset) = item.textItemAtLocation(location.offsetBy(dx: -itemFrame.minX + contentOffset.x, dy: -itemFrame.minY)) {
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return (textItem, itemFrame.origin.offsetBy(dx: parentOffset.x - contentOffset.x + contentNode.frame.minX, dy: parentOffset.y + contentNode.frame.minY))
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}
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}
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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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private func urlForTapLocation(_ location: CGPoint) -> InstantPageUrlItem? {
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if let contentNode = self.contentNode, let (item, parentOffset) = self.textItemAtLocation(location) {
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return item.urlAttribute(at: location.offsetBy(dx: -item.frame.minX - parentOffset.x + contentNode.frame.minX, dy: -item.frame.minY - parentOffset.y + contentNode.frame.minY))
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}
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return nil
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}
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@objc private func tapGesture(_ recognizer: TapLongTapOrDoubleTapGestureRecognizer) {
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guard let contentNode = self.contentNode else {
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return
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}
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switch recognizer.state {
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case .ended:
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if let (gesture, location) = recognizer.lastRecognizedGestureAndLocation {
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let location = location.offsetBy(dx: -contentNode.frame.minX, dy: -contentNode.frame.minY)
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switch gesture {
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case .tap:
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if let url = self.urlForTapLocation(location) {
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self.close?()
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self.openUrl(url)
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}
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case .longTap:
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if let url = self.urlForTapLocation(location) {
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let canOpenIn = availableOpenInOptions(context: self.context, item: .url(url: url.url)).count > 1
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let openText = canOpenIn ? self.presentationData.strings.Conversation_FileOpenIn : self.presentationData.strings.Conversation_LinkDialogOpen
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let actionSheet = ActionSheetController(instantPageTheme: self.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 self, weak actionSheet] in
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actionSheet?.dismissAnimated()
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if let strongSelf = self {
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strongSelf.close?()
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if canOpenIn {
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strongSelf.openUrlIn(url)
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} else {
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strongSelf.openUrl(url)
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}
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}
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}),
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ActionSheetButtonItem(title: self.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: self.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: self.presentationData.strings.Common_Cancel, color: .accent, font: .bold, action: { [weak actionSheet] in
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actionSheet?.dismissAnimated()
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})
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])])
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self.present(actionSheet, nil)
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} else if let (item, parentOffset) = self.textItemAtLocation(location) {
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let textFrame = item.frame
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var itemRects = item.lineRects()
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for i in 0 ..< itemRects.count {
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itemRects[i] = itemRects[i].offsetBy(dx: parentOffset.x + textFrame.minX, dy: parentOffset.y + textFrame.minY).insetBy(dx: -2.0, dy: -2.0)
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}
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self.updateTextSelectionRects(itemRects, text: item.plainText())
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}
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default:
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break
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}
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}
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default:
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break
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}
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}
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private func updateTextSelectionRects(_ rects: [CGRect], text: String?) {
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if let text = text, !rects.isEmpty {
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let textSelectionNode: LinkHighlightingNode
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if let current = self.textSelectionNode {
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textSelectionNode = current
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} else {
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textSelectionNode = LinkHighlightingNode(color: UIColor.lightGray.withAlphaComponent(0.4))
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textSelectionNode.isUserInteractionEnabled = false
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self.textSelectionNode = textSelectionNode
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self.contentContainerNode.addSubnode(textSelectionNode)
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}
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textSelectionNode.frame = CGRect(origin: CGPoint(), size: self.contentContainerNode.bounds.size)
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textSelectionNode.updateRects(rects)
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var coveringRect = rects[0]
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for i in 1 ..< rects.count {
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coveringRect = coveringRect.union(rects[i])
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}
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let controller = ContextMenuController(actions: [ContextMenuAction(content: .text(title: self.presentationData.strings.Conversation_ContextMenuCopy, accessibilityLabel: self.presentationData.strings.Conversation_ContextMenuCopy), action: {
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UIPasteboard.general.string = text
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}), ContextMenuAction(content: .text(title: self.presentationData.strings.Conversation_ContextMenuShare, accessibilityLabel: self.presentationData.strings.Conversation_ContextMenuShare), action: { [weak self] in
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if let strongSelf = self, case let .Loaded(content) = strongSelf.webPage.content {
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strongSelf.present(ShareController(context: strongSelf.context, subject: .quote(text: text, url: content.url)), nil)
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}
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})])
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controller.dismissed = { [weak self] in
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self?.updateTextSelectionRects([], text: nil)
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}
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self.present(controller, ContextMenuControllerPresentationArguments(sourceNodeAndRect: { [weak self] in
|
|
if let strongSelf = self {
|
|
return (strongSelf.contentContainerNode, coveringRect.insetBy(dx: -3.0, dy: -3.0), strongSelf, strongSelf.bounds)
|
|
} else {
|
|
return nil
|
|
}
|
|
}))
|
|
textSelectionNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.18)
|
|
} else if let textSelectionNode = self.textSelectionNode {
|
|
self.textSelectionNode = nil
|
|
textSelectionNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.18, removeOnCompletion: false, completion: { [weak textSelectionNode] _ in
|
|
textSelectionNode?.removeFromSupernode()
|
|
})
|
|
}
|
|
}
|
|
}
|