Don't select or copy info message text.

// FREEBIE

Author: michaelkirk

Signal/src/Models/TSMessageAdapaters/TSMessageAdapter.m

@@ -283,6 +283,8 @@ - (BOOL)canPerformEditingAction:(SEL)action
     // Delegate other actions for media items
     if (self.isMediaMessage) {
         return [self.mediaItem canPerformEditingAction:action];
+    } else if (self.messageType == TSInfoMessageAdapter || self.messageType == TSErrorMessageAdapter) {
+        return NO;
     } else {
         // Text message - no media attachment
         if (action == @selector(copy:)) {

Signal/src/view controllers/MessagesViewController.m

@@ -861,6 +861,10 @@ - (OWSDisplayedMessageCollectionViewCell *)loadInfoMessageCellForMessage:(OWSInf
     [self setBarButtonItemsForDisappearingMessagesConfiguration:configuration];
 
     infoCell.textView.text = [infoMessage text];
+
+    // Disable text selectability. Specifying this in prepareForReuse/awakeFromNib was not sufficient.
+    infoCell.textView.userInteractionEnabled = NO;
+    infoCell.textView.selectable = NO;
     infoCell.messageBubbleContainerView.layer.borderColor = [[UIColor ows_infoMessageBorderColor] CGColor];
     infoCell.headerImageView.image = [UIImage imageNamed:@"warning_white"];
 
@@ -872,6 +876,9 @@ - (OWSDisplayedMessageCollectionViewCell *)loadErrorMessageCellForMessage:(OWSEr
 {
     OWSDisplayedMessageCollectionViewCell *errorCell = [self loadDisplayedMessageCollectionViewCellForIndexPath:indexPath];
     errorCell.textView.text = [errorMessage text];
+    // Disable text selectability. Specifying this in prepareForReuse/awakeFromNib was not sufficient.
+    errorCell.textView.userInteractionEnabled = NO;
+    errorCell.textView.selectable = NO;
     errorCell.messageBubbleContainerView.layer.borderColor = [[UIColor ows_errorMessageBorderColor] CGColor];
     errorCell.headerImageView.image = [UIImage imageNamed:@"error_white"];
 

Signal/src/views/OWSDisplayedMessageCollectionViewCell.m

@@ -51,7 +51,6 @@ - (void)awakeFromNib
 - (void)prepareForReuse
 {
     [super prepareForReuse];
-
     self.textView.text = nil;
 }