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submodules/TelegramUI/Sources/ChatAvatarNavigationNode.swift

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+import Foundation
+import UIKit
+import AsyncDisplayKit
+import Display
+import AvatarNode
+import ContextUI
+
+private let normalFont = avatarPlaceholderFont(size: 16.0)
+private let smallFont = avatarPlaceholderFont(size: 12.0)
+
+final class ChatAvatarNavigationNodeView: UIView, PreviewingHostView {
+    var previewingDelegate: PreviewingHostViewDelegate? {
+        return PreviewingHostViewDelegate(controllerForLocation: { [weak self] sourceView, point in
+            return self?.chatController?.avatarPreviewingController(from: sourceView)
+        }, commitController: { [weak self] controller in
+            self?.chatController?.previewingCommit(controller)
+        })
+    }
+    
+    weak var chatController: ChatControllerImpl?
+    weak var targetNode: ChatAvatarNavigationNode?
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        
+        self.targetNode?.onLayout()
+    }
+}
+
+final class ChatAvatarNavigationNode: ASDisplayNode {
+    private let containerNode: ContextControllerSourceNode
+    let avatarNode: AvatarNode
+    
+    var contextAction: ((ASDisplayNode, ContextGesture?) -> Void)?
+    var contextActionIsEnabled: Bool = true {
+        didSet {
+            if self.contextActionIsEnabled != oldValue {
+                self.containerNode.isGestureEnabled = self.contextActionIsEnabled
+            }
+        }
+    }
+    
+    weak var chatController: ChatControllerImpl? {
+        didSet {
+            if self.isNodeLoaded {
+                (self.view as? ChatAvatarNavigationNodeView)?.chatController = self.chatController
+            }
+        }
+    }
+    
+    var tapped: (() -> Void)?
+    
+    override init() {
+        self.containerNode = ContextControllerSourceNode()
+        self.avatarNode = AvatarNode(font: normalFont)
+        
+        super.init()
+        
+        self.setViewBlock({
+            return ChatAvatarNavigationNodeView()
+        })
+        
+        self.containerNode.addSubnode(self.avatarNode)
+        self.addSubnode(self.containerNode)
+        
+        self.containerNode.activated = { [weak self] gesture in
+            guard let strongSelf = self else {
+                return
+            }
+            strongSelf.contextAction?(strongSelf.containerNode, gesture)
+        }
+        
+        self.containerNode.frame = CGRect(origin: CGPoint(), size: CGSize(width: 37.0, height: 37.0)).offsetBy(dx: 10.0, dy: 1.0)
+        self.avatarNode.frame = self.containerNode.bounds
+        
+        /*self.containerNode.frame = CGRect(origin: CGPoint(), size: CGSize(width: 37.0, height: 37.0))
+        self.avatarNode.frame = CGRect(origin: CGPoint(), size: CGSize(width: 37.0, height: 37.0))*/
+    }
+    
+    override func didLoad() {
+        super.didLoad()
+        self.view.isOpaque = false
+        (self.view as? ChatAvatarNavigationNodeView)?.targetNode = self
+        (self.view as? ChatAvatarNavigationNodeView)?.chatController = self.chatController
+        
+        /*let tapRecognizer = TapLongTapOrDoubleTapGestureRecognizer(target: self, action: #selector(self.avatarTapGesture(_:)))
+        self.avatarNode.view.addGestureRecognizer(tapRecognizer)*/
+    }
+    
+    @objc private func avatarTapGesture(_ recognizer: TapLongTapOrDoubleTapGestureRecognizer) {
+        if case .ended = recognizer.state {
+            if let (gesture, location) = recognizer.lastRecognizedGestureAndLocation {
+                switch gesture {
+                case .tap:
+                    self.tapped?()
+                default:
+                    break
+                }
+            }
+        }
+    }
+    
+    override func calculateSizeThatFits(_ constrainedSize: CGSize) -> CGSize {
+        return CGSize(width: 37.0, height: 37.0)
+    }
+    
+    func onLayout() {
+    }
+}