Refactor InstantPageUI and related modules

submodules/InstantPageUI/Sources/InstantPageSlideshowItem.swift

@@ -0,0 +1,57 @@
+import Foundation
+import UIKit
+import Postbox
+import TelegramCore
+import AsyncDisplayKit
+import TelegramPresentationData
+import AccountContext
+
+final class InstantPageSlideshowItem: InstantPageItem {
+    var frame: CGRect
+    let webPage: TelegramMediaWebpage
+    let wantsNode: Bool = true
+    let separatesTiles: Bool = false
+    let medias: [InstantPageMedia]
+    
+    init(frame: CGRect, webPage: TelegramMediaWebpage, medias: [InstantPageMedia]) {
+        self.frame = frame
+        self.webPage = webPage
+        self.medias = medias
+    }
+    
+    func node(context: AccountContext, strings: PresentationStrings, theme: InstantPageTheme, openMedia: @escaping (InstantPageMedia) -> Void, longPressMedia: @escaping (InstantPageMedia) -> Void, openPeer: @escaping (PeerId) -> Void, openUrl: @escaping (InstantPageUrlItem) -> Void, updateWebEmbedHeight: @escaping (CGFloat) -> Void, updateDetailsExpanded: @escaping (Bool) -> Void, currentExpandedDetails: [Int : Bool]?) -> (InstantPageNode & ASDisplayNode)? {
+        return InstantPageSlideshowNode(context: context, theme: theme, webPage: webPage, medias: self.medias, openMedia: openMedia, longPressMedia: longPressMedia)
+    }
+    
+    func matchesAnchor(_ anchor: String) -> Bool {
+        return false
+    }
+    
+    func matchesNode(_ node: InstantPageNode) -> Bool {
+        if let node = node as? InstantPageSlideshowNode {
+            return self.medias == node.medias
+        } else {
+            return false
+        }
+    }
+    
+    func distanceThresholdGroup() -> Int? {
+        return 3
+    }
+    
+    func distanceThresholdWithGroupCount(_ count: Int) -> CGFloat {
+        if count > 3 {
+            return 1000.0
+        } else {
+            return CGFloat.greatestFiniteMagnitude
+        }
+    }
+    
+    func linkSelectionRects(at point: CGPoint) -> [CGRect] {
+        return []
+    }
+    
+    func drawInTile(context: CGContext) {
+    }
+}
+