no message

TelegramUI/ChatInterfaceStateInputPanels.swift

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+import Foundation
+import AsyncDisplayKit
+import TelegramCore
+
+func inputPanelForChatIntefaceState(_ chatInterfaceState: ChatInterfaceState, account: Account, currentPanel: ChatInputPanelNode?, textInputPanelNode: ChatTextInputPanelNode?, interfaceInteraction: ChatPanelInterfaceInteraction?) -> ChatInputPanelNode? {
+    if let selectionState = chatInterfaceState.selectionState {
+        if let currentPanel = currentPanel as? ChatMessageSelectionInputPanelNode {
+            currentPanel.selectedMessageCount = selectionState.selectedIds.count
+            currentPanel.interfaceInteraction = interfaceInteraction
+            return currentPanel
+        } else {
+            let panel = ChatMessageSelectionInputPanelNode()
+            panel.selectedMessageCount = selectionState.selectedIds.count
+            panel.interfaceInteraction = interfaceInteraction
+            return panel
+        }
+    } else {
+        if let currentPanel = currentPanel as? ChatTextInputPanelNode {
+            currentPanel.interfaceInteraction = interfaceInteraction
+            return currentPanel
+        } else {
+            if let textInputPanelNode = textInputPanelNode {
+                textInputPanelNode.interfaceInteraction = interfaceInteraction
+                return textInputPanelNode
+            } else {
+                let panel = ChatTextInputPanelNode()
+                panel.interfaceInteraction = interfaceInteraction
+                return panel
+            }
+        }
+    }
+}