Refactor InstantPageUI and related modules

2025-12-24 07:05:35 +00:00 · 2019-08-12 21:15:45 +03:00
parent c0789dffda
commit f151d907d2
138 changed files with 4401 additions and 633 deletions
--- a/submodules/InstantPageUI/Sources/InstantPageArticleNode.swift
+++ b/submodules/InstantPageUI/Sources/InstantPageArticleNode.swift
@@ -0,0 +1,137 @@
+import Foundation
+import UIKit
+import AsyncDisplayKit
+import Display
+import Postbox
+import TelegramCore
+import SwiftSignalKit
+import TelegramPresentationData
+import AccountContext
+import PhotoResources
+
+final class InstantPageArticleNode: ASDisplayNode, InstantPageNode {
+    let item: InstantPageArticleItem
+    
+    private let highlightedBackgroundNode: ASDisplayNode
+    private let buttonNode: HighlightableButtonNode
+    
+    private let contentTile: InstantPageTile
+    private let contentTileNode: InstantPageTileNode
+    private var imageNode: TransformImageNode?
+    
+    let url: String
+    let webpageId: MediaId
+    let cover: TelegramMediaImage?
+    let rtl: Bool
+    
+    private let openUrl: (InstantPageUrlItem) -> Void
+    
+    private var fetchedDisposable = MetaDisposable()
+    
+    init(context: AccountContext, item: InstantPageArticleItem, webPage: TelegramMediaWebpage, strings: PresentationStrings, theme: InstantPageTheme, contentItems: [InstantPageItem], contentSize: CGSize, cover: TelegramMediaImage?, url: String, webpageId: MediaId, rtl: Bool, openUrl: @escaping (InstantPageUrlItem) -> Void) {
+        self.item = item
+        self.url = url
+        self.webpageId = webpageId
+        self.cover = cover
+        self.rtl = rtl
+        self.openUrl = openUrl
+        
+        self.highlightedBackgroundNode = ASDisplayNode()
+        self.highlightedBackgroundNode.isLayerBacked = true
+        self.highlightedBackgroundNode.alpha = 0.0
+        
+        self.buttonNode = HighlightableButtonNode()
+        
+        self.contentTile = InstantPageTile(frame: CGRect(x: 0.0, y: 0.0, width: contentSize.width, height: contentSize.height))
+        self.contentTile.items.append(contentsOf: contentItems)
+        self.contentTileNode = InstantPageTileNode(tile: self.contentTile, backgroundColor: .clear)
+        
+        super.init()
+        
+        self.addSubnode(self.highlightedBackgroundNode)
+        self.addSubnode(self.buttonNode)
+        self.addSubnode(self.contentTileNode)
+        
+        if let image = cover {
+            let imageNode = TransformImageNode()
+            imageNode.isUserInteractionEnabled = false
+            
+            let imageReference = ImageMediaReference.webPage(webPage: WebpageReference(webPage), media: image)
+            imageNode.setSignal(chatMessagePhoto(postbox: context.account.postbox, photoReference: imageReference))
+            self.fetchedDisposable.set(chatMessagePhotoInteractiveFetched(context: context, photoReference: imageReference, storeToDownloadsPeerType: nil).start())
+            
+            self.imageNode = imageNode
+            self.addSubnode(imageNode)
+        }
+        
+        self.buttonNode.addTarget(self, action: #selector(self.buttonPressed), forControlEvents: .touchUpInside)
+        
+        self.buttonNode.highligthedChanged = { [weak self] highlighted in
+            if let strongSelf = self {
+                if highlighted {
+                    strongSelf.highlightedBackgroundNode.layer.removeAnimation(forKey: "opacity")
+                    strongSelf.highlightedBackgroundNode.alpha = 1.0
+                } else {
+                    strongSelf.highlightedBackgroundNode.alpha = 0.0
+                    strongSelf.highlightedBackgroundNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2)
+                }
+            }
+        }
+        
+        self.update(strings: strings, theme: theme)
+    }
+    
+    deinit {
+        self.fetchedDisposable.dispose()
+    }
+    
+    @objc func buttonPressed() {
+        self.openUrl(InstantPageUrlItem(url: self.url, webpageId: self.webpageId))
+    }
+    
+    override func layout() {
+        super.layout()
+        
+        let size = self.bounds.size
+        let inset: CGFloat = 17.0
+        let imageSize = CGSize(width: 44.0, height: 44.0)
+        
+        self.highlightedBackgroundNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -UIScreenPixel), size: CGSize(width: size.width, height: size.height + UIScreenPixel))
+        self.buttonNode.frame = CGRect(origin: CGPoint(), size: size)
+        self.contentTileNode.frame = self.bounds
+        
+        if let imageNode = self.imageNode, let image = self.cover, let largest = largestImageRepresentation(image.representations) {
+            let size = largest.dimensions.aspectFilled(imageSize)
+            let boundingSize = imageSize
+            
+            let makeLayout = imageNode.asyncLayout()
+            let apply = makeLayout(TransformImageArguments(corners: ImageCorners(radius: 5.0), imageSize: size, boundingSize: boundingSize, intrinsicInsets: UIEdgeInsets()))
+            apply()
+        }
+        
+        if let imageNode = self.imageNode {
+            if self.rtl {
+                imageNode.frame = CGRect(origin: CGPoint(x: inset, y: 11.0), size: imageSize)
+            } else {
+                imageNode.frame = CGRect(origin: CGPoint(x: size.width - inset - imageSize.width, y: 11.0), size: imageSize)
+            }
+        }
+    }
+    
+    func updateIsVisible(_ isVisible: Bool) {
+    }
+    
+    func updateLayout(size: CGSize, transition: ContainedViewLayoutTransition) {
+    }
+    
+    func transitionNode(media: InstantPageMedia) -> (ASDisplayNode, () -> (UIView?, UIView?))? {
+        return nil
+    }
+    
+    func updateHiddenMedia(media: InstantPageMedia?) {
+    }
+    
+    func update(strings: PresentationStrings, theme: InstantPageTheme) {
+        self.highlightedBackgroundNode.backgroundColor = theme.panelHighlightedBackgroundColor
+    }
+}