Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/TelegramUI/Components/Chat/ChatInputPanelNode/Sources/ChatInputPanelNode.swift

@@ -0,0 +1,45 @@
+import Foundation
+import UIKit
+import AsyncDisplayKit
+import Display
+import Postbox
+import TelegramCore
+import AccountContext
+import ChatPresentationInterfaceState
+import ChatControllerInteraction
+
+public protocol ChatInputPanelViewForOverlayContent: UIView {
+    func maybeDismissContent(point: CGPoint)
+}
+
+open class ChatInputPanelNode: ASDisplayNode {
+    open var context: AccountContext?
+    open var chatControllerInteraction: ChatControllerInteraction?
+    open var interfaceInteraction: ChatPanelInterfaceInteraction?
+    open var prevInputPanelNode: ChatInputPanelNode?
+    
+    open var viewForOverlayContent: ChatInputPanelViewForOverlayContent?
+    
+    open func updateAbsoluteRect(_ rect: CGRect, within containerSize: CGSize, transition: ContainedViewLayoutTransition) {
+    }
+    
+    open func updateLayout(width: CGFloat, leftInset: CGFloat, rightInset: CGFloat, bottomInset: CGFloat, additionalSideInsets: UIEdgeInsets, maxHeight: CGFloat, maxOverlayHeight: CGFloat, isSecondary: Bool, transition: ContainedViewLayoutTransition, interfaceState: ChatPresentationInterfaceState, metrics: LayoutMetrics, isMediaInputExpanded: Bool) -> CGFloat {
+        return 0.0
+    }
+    
+    open func minimalHeight(interfaceState: ChatPresentationInterfaceState, metrics: LayoutMetrics) -> CGFloat {
+        return 0.0
+    }
+    
+    open func defaultHeight(metrics: LayoutMetrics) -> CGFloat {
+        if case .regular = metrics.widthClass, case .regular = metrics.heightClass {
+            return 40.0
+        } else {
+            return 40.0
+        }
+    }
+    
+    open func canHandleTransition(from prevInputPanelNode: ChatInputPanelNode?) -> Bool {
+        return false
+    }
+}