Refactor InstantPageUI and related modules

submodules/InstantPageUI/Sources/InstantPageShapeItem.swift

@@ -0,0 +1,78 @@
+import Foundation
+import UIKit
+import Postbox
+import TelegramCore
+import AsyncDisplayKit
+import TelegramPresentationData
+import AccountContext
+
+enum InstantPageShape {
+    case rect
+    case ellipse
+    case roundLine
+}
+
+final class InstantPageShapeItem: InstantPageItem {
+    var frame: CGRect
+    let shapeFrame: CGRect
+    let shape: InstantPageShape
+    let color: UIColor
+    
+    let medias: [InstantPageMedia] = []
+    let wantsNode: Bool = false
+    let separatesTiles: Bool = false
+    
+    init(frame: CGRect, shapeFrame: CGRect, shape: InstantPageShape, color: UIColor) {
+        self.frame = frame
+        self.shapeFrame = shapeFrame
+        self.shape = shape
+        self.color = color
+    }
+    
+    func drawInTile(context: CGContext) {
+        context.setFillColor(self.color.cgColor)
+        
+        switch self.shape {
+            case .rect:
+                context.fill(self.shapeFrame.offsetBy(dx: self.frame.minX, dy: self.frame.minY))
+            case .ellipse:
+                context.fillEllipse(in: self.shapeFrame.offsetBy(dx: self.frame.minX, dy: self.frame.minY))
+            case .roundLine:
+                if self.shapeFrame.size.width < self.shapeFrame.size.height {
+                    let radius = self.shapeFrame.size.width / 2.0
+                    var shapeFrame = self.shapeFrame.offsetBy(dx: self.frame.minX, dy: self.frame.minY)
+                    shapeFrame.origin.y += radius
+                    shapeFrame.size.height -= radius + radius
+                    context.fill(shapeFrame)
+                    context.fillEllipse(in: CGRect(x: shapeFrame.minX, y: shapeFrame.minY - radius, width: radius + radius, height: radius + radius))
+                    context.fillEllipse(in: CGRect(x: shapeFrame.minX, y: shapeFrame.maxY - radius, width: radius + radius, height: radius + radius))
+                } else {
+                    context.fill(self.shapeFrame.offsetBy(dx: self.frame.minX, dy: self.frame.minY))
+                }
+        }
+    }
+    
+    func matchesAnchor(_ anchor: String) -> Bool {
+        return false
+    }
+    
+    func matchesNode(_ node: InstantPageNode) -> Bool {
+        return false
+    }
+    
+    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 nil
+    }
+    
+    func linkSelectionRects(at point: CGPoint) -> [CGRect] {
+        return []
+    }
+    
+    func distanceThresholdGroup() -> Int? {
+        return nil
+    }
+    
+    func distanceThresholdWithGroupCount(_ count: Int) -> CGFloat {
+        return 0.0
+    }
+}