Fix: Calculation of the frame for a bubble component

Riot/Categories/MXKRoomBubbleTableViewCell+Riot.m

@@ -600,36 +600,47 @@ NSString *const kMXKRoomBubbleCellKeyVerificationIncomingRequestDeclinePressed =
     }
     else if (roomBubbleTableViewCell.messageTextView)
     {
+        // Force the textView used underneath to layout its frame properly
+        [roomBubbleTableViewCell setNeedsLayout];
+        [roomBubbleTableViewCell layoutIfNeeded];
+                
+        // Compute the height
         CGFloat textMessageHeight = 0;
-        
         if ([bubbleCellData isKindOfClass:[RoomBubbleCellData class]])
         {
             RoomBubbleCellData *roomBubbleCellData = (RoomBubbleCellData*)bubbleCellData;
             
             if (!roomBubbleCellData.attachment && selectedComponent.attributedTextMessage)
             {
-                textMessageHeight = [roomBubbleCellData rawTextHeight:selectedComponent.attributedTextMessage];
+                // Get the width of messageTextView to compute the needed height
+                CGFloat maxTextWidth = CGRectGetWidth(roomBubbleTableViewCell.messageTextView.bounds);
+                
+                // Compute text message height
+                textMessageHeight = [roomBubbleCellData rawTextHeight:selectedComponent.attributedTextMessage withMaxWidth:maxTextWidth];
             }
         }
-        
-        selectedComponentPositionY = selectedComponent.position.y;
-        
+                
+        // Get the messageText frame in the cell content view (as the messageTextView may be inside a stackView and not directly a child of the tableViewCell)
+        UITextView *messageTextView = roomBubbleTableViewCell.messageTextView;
+        CGRect messageTextViewFrame = [messageTextView convertRect:messageTextView.bounds toView:roomBubbleTableViewCell.contentView];
+
         if (textMessageHeight > 0)
         {
             selectedComponentHeight = textMessageHeight;
         }
         else
         {
-            selectedComponentHeight = roomBubbleTableViewCell.frame.size.height - selectedComponentPositionY;
+            // if we don't have a height, use the messageTextView height without the text container vertical insets to stay aligned with the text.
+            selectedComponentHeight = CGRectGetHeight(messageTextViewFrame) - messageTextView.textContainerInset.top - messageTextView.textContainerInset.bottom;
         }
         
-        // Force the textView used underneath to layout its frame properly
-        [roomBubbleTableViewCell setNeedsLayout];
-        [roomBubbleTableViewCell layoutIfNeeded];
-        
-        selectedComponenContentViewYOffset = roomBubbleTableViewCell.messageTextView.frame.origin.y;
+        // Get the vertical position of the messageTextView relative to the contentView
+        selectedComponenContentViewYOffset = CGRectGetMinY(messageTextViewFrame);
+
+        // Get the position of the component inside the messageTextView
+        selectedComponentPositionY = selectedComponent.position.y;
     }
-    
+        
     if (roomBubbleTableViewCell.attachmentView || roomBubbleTableViewCell.messageTextView)
     {
         CGFloat x = 0;
@@ -801,8 +812,7 @@ NSString *const kMXKRoomBubbleCellKeyVerificationIncomingRequestDeclinePressed =
 
 - (void)addTickView:(UIView *)tickView atIndex:(NSInteger)index
 {
-    CGRect componentFrame = [self componentFrameInContentViewForIndex: index];
-
+    CGRect componentFrame = [self componentFrameInContentViewForIndex:index];
     tickView.frame = CGRectMake(self.contentView.bounds.size.width - tickView.frame.size.width - 2 * PlainRoomCellLayoutConstants.readReceiptsViewRightMargin, CGRectGetMaxY(componentFrame) - tickView.frame.size.height, tickView.frame.size.width, tickView.frame.size.height);
 
     [self.contentView addSubview:tickView];

Riot/Modules/MatrixKit/Models/Room/MXKRoomBubbleCellData.h

@@ -144,6 +144,15 @@
  */
 - (CGFloat)rawTextHeight:(NSAttributedString*)attributedText;
 
+/**
+ Return the raw height of the provided text by removing any vertical margin/inset and constraining the width.
+ 
+ @param attributedText the attributed text to measure
+ @param maxTextViewWidth the maximum text width
+ @return the computed height
+ */
+- (CGFloat)rawTextHeight:(NSAttributedString*)attributedText withMaxWidth:(CGFloat)maxTextViewWidth;
+
 /**
  Return the content size of a text view initialized with the provided attributed text.
  CAUTION: This method runs only on main thread.

Riot/Modules/MatrixKit/Models/Room/MXKRoomBubbleCellData.m

@@ -500,23 +500,34 @@
 
 // Return the raw height of the provided text by removing any margin
 - (CGFloat)rawTextHeight: (NSAttributedString*)attributedText
+{
+    return [self rawTextHeight:attributedText withMaxWidth:_maxTextViewWidth];
+}
+
+// Return the raw height of the provided text by removing any vertical margin/inset and constraining the width.
+- (CGFloat)rawTextHeight: (NSAttributedString*)attributedText withMaxWidth:(CGFloat)maxTextViewWidth
 {
     __block CGSize textSize;
     if ([NSThread currentThread] != [NSThread mainThread])
     {
         dispatch_sync(dispatch_get_main_queue(), ^{
-            textSize = [self textContentSize:attributedText removeVerticalInset:YES];
+            textSize = [self textContentSize:attributedText removeVerticalInset:YES maxTextViewWidth:maxTextViewWidth];
         });
     }
     else
     {
-        textSize = [self textContentSize:attributedText removeVerticalInset:YES];
+        textSize = [self textContentSize:attributedText removeVerticalInset:YES maxTextViewWidth:maxTextViewWidth];
     }
     
     return textSize.height;
 }
 
 - (CGSize)textContentSize:(NSAttributedString*)attributedText removeVerticalInset:(BOOL)removeVerticalInset
+{
+    return [self textContentSize:attributedText removeVerticalInset:removeVerticalInset maxTextViewWidth:_maxTextViewWidth];
+}
+
+- (CGSize)textContentSize:(NSAttributedString*)attributedText removeVerticalInset:(BOOL)removeVerticalInset maxTextViewWidth:(CGFloat)maxTextViewWidth
 {
     static UITextView* measurementTextView = nil;
     static UITextView* measurementTextViewWithoutInset = nil;
@@ -536,7 +547,7 @@
         // Select the right text view for measurement
         UITextView *selectedTextView = (removeVerticalInset ? measurementTextViewWithoutInset : measurementTextView);
         
-        selectedTextView.frame = CGRectMake(0, 0, _maxTextViewWidth, 0);
+        selectedTextView.frame = CGRectMake(0, 0, maxTextViewWidth, 0);
         selectedTextView.attributedText = attributedText;
         
         // Force the layout manager to layout the text, fixes problems starting iOS 16

Riot/Modules/Room/TimelineCells/Styles/Bubble/Cells/TextMessage/Outgoing/TextMessageOutgoingWithoutSenderInfoBubbleCell.swift

@@ -35,6 +35,15 @@ class TextMessageOutgoingWithoutSenderInfoBubbleCell: TextMessageBaseBubbleCell,
         self.textMessageContentView?.bubbleBackgroundView?.backgroundColor = theme.roomCellOutgoingBubbleBackgroundColor
     }
     
+    override func render(_ cellData: MXKCellData!) {
+        // This cell displays an outgoing message without any sender information.
+        // However, we need to set the following properties to our cellData, otherwise, to make room for the timestamp, a whitespace could be added when calculating the position of the components.
+        // If we don't, the component frame calculation will not work for this cell.
+        (cellData as? RoomBubbleCellData)?.shouldHideSenderName = false
+        (cellData as? RoomBubbleCellData)?.shouldHideSenderInformation = false
+        super.render(cellData)
+    }
+    
     // MARK: - Private
     
     private func setupBubbleConstraints() {

changelog.d/pr-7512.bugfix

@@ -0,0 +1 @@
+Fix the position of the send confirmation icon.