Temp

submodules/TelegramUI/Sources/DeleteChatInputPanelNode.swift

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+import Foundation
+import UIKit
+import AsyncDisplayKit
+import Display
+import TelegramCore
+import SyncCore
+import Postbox
+import SwiftSignalKit
+
+final class DeleteChatInputPanelNode: ChatInputPanelNode {
+    private let button: HighlightableButtonNode
+    
+    private var presentationInterfaceState: ChatPresentationInterfaceState?
+    
+    override init() {
+        self.button = HighlightableButtonNode()
+        self.button.isUserInteractionEnabled = false
+        
+        super.init()
+        
+        self.addSubnode(self.button)
+        
+        self.button.addTarget(self, action: #selector(self.buttonPressed), forControlEvents: [.touchUpInside])
+    }
+    
+    override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
+        if self.bounds.contains(point) {
+            return self.button.view
+        } else {
+            return nil
+        }
+    }
+    
+    @objc func buttonPressed() {
+        self.interfaceInteraction?.deleteChat()
+    }
+    
+    override func updateLayout(width: CGFloat, leftInset: CGFloat, rightInset: CGFloat, maxHeight: CGFloat, isSecondary: Bool, transition: ContainedViewLayoutTransition, interfaceState: ChatPresentationInterfaceState, metrics: LayoutMetrics) -> CGFloat {
+        if self.presentationInterfaceState != interfaceState {
+            self.presentationInterfaceState = interfaceState
+            
+            self.button.setAttributedTitle(NSAttributedString(string: interfaceState.strings.GroupInfo_DeleteAndExit, font: Font.regular(17.0), textColor: interfaceState.theme.chat.inputPanel.panelControlDestructiveColor), for: [])
+        }
+        
+        let buttonSize = self.button.measure(CGSize(width: width - leftInset - rightInset - 10.0, height: 100.0))
+        
+        let panelHeight = defaultHeight(metrics: metrics)
+        
+        self.button.frame = CGRect(origin: CGPoint(x: leftInset + floor((width - leftInset - rightInset - buttonSize.width) / 2.0), y: floor((panelHeight - buttonSize.height) / 2.0)), size: buttonSize)
+        
+        return panelHeight
+    }
+    
+    override func minimalHeight(interfaceState: ChatPresentationInterfaceState, metrics: LayoutMetrics) -> CGFloat {
+        return defaultHeight(metrics: metrics)
+    }
+}