[trello.com/c/jKqpxiCa/13] update message reading with keyboard

Adamant/Modules/Chat/View/ChatViewController.swift

@@ -55,6 +55,7 @@ final class ChatViewController: MessagesViewController {
         numberOfLines: 1
     )
 
+    private var keyboardHeight: CGFloat = 0
     private var sendTransaction: SendTransaction
 
     // swiftlint:disable unused_setter_value
@@ -321,6 +322,20 @@ extension ChatViewController {
                 self?.state.isAppActive = false
             }
             .store(in: &subscriptions)
+
+        if !isMacOS {
+            NotificationCenter.default.publisher(for: UIResponder.keyboardDidChangeFrameNotification)
+                .sink { [weak self] notification in
+                    guard let self,
+                          let frame = notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect,
+                          let window = self.view.window else { return }
+
+                    let convertedFrame = self.view.convert(frame, from: window)
+                    let height = max(self.view.bounds.maxY - convertedFrame.minY - hiddenScrollViewPartHeight / 2, 0)
+                    print(UIScreen.main.bounds.height)
+                }
+                .store(in: &subscriptions)
+        }
 
         viewModel.didTapAdmNodesList
             .sink { [weak self] in
@@ -594,7 +609,7 @@ extension ChatViewController {
             x: messagesCollectionView.contentOffset.x,
             y: messagesCollectionView.contentOffset.y + hiddenScrollViewPartHeight,
             width: messagesCollectionView.bounds.width,
-            height: messagesCollectionView.bounds.height - hiddenScrollViewPartHeight * 2
+            height: messagesCollectionView.bounds.height - hiddenScrollViewPartHeight * 2 - keyboardHeight
         )
 
         let visibleIndexPaths = messagesCollectionView.indexPathsForVisibleItems
@@ -950,6 +965,8 @@ extension ChatViewController {
             NewMessagesCell.self,
             forSupplementaryViewOfKind: UICollectionView.elementKindSectionFooter
         )
+        collection.enableKeyboardDismissOnTap(targetView: collection)
+
         return collection
     }
 

Adamant/Modules/Chat/View/Subviews/ChatMessagesCollection.swift

@@ -89,7 +89,15 @@ final class ChatMessagesCollectionView: MessagesCollectionView {
         setContentOffset(contentOffset, animated: false)
     }
 
-
+    func enableKeyboardDismissOnTap(targetView: UIView) {
+        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(dismissKeyboard))
+        tapGesture.cancelsTouchesInView = false
+        self.addGestureRecognizer(tapGesture)
+    }
+
+    @objc private func dismissKeyboard() {
+        self.superview?.endEditing(true)
+    }
 }
 
 fileprivate extension ChatMessagesCollectionView {