Merge branch 'feature/null-safety' into feat/ui-nnbd

packages/stream_chat_flutter/lib/src/message_list_view.dart

@@ -142,6 +142,7 @@ class MessageListView extends StatefulWidget {
     this.onSystemMessageTap,
     this.onAttachmentTap,
     this.textBuilder,
+    this.onLinkTap,
   }) : super(key: key);
 
   /// Function used to build a custom message widget
@@ -237,6 +238,8 @@ class MessageListView extends StatefulWidget {
   /// Customize the MessageWidget textBuilder
   final void Function(BuildContext context, Message message)? textBuilder;
 
+  final void Function(String link) onLinkTap;
+
   @override
   _MessageListViewState createState() => _MessageListViewState();
 }
@@ -845,6 +848,7 @@ class _MessageListViewState extends State<MessageListView> {
       },
       textBuilder:
           widget.textBuilder as Widget Function(BuildContext, Message)?,
+      onLinkTap: widget.onLinkTap,
     );
   }
 
@@ -1022,6 +1026,7 @@ class _MessageListViewState extends State<MessageListView> {
       onAttachmentTap: widget.onAttachmentTap,
       textBuilder:
           widget.textBuilder as Widget Function(BuildContext, Message)?,
+      onLinkTap: widget.onLinkTap,
     );
 
     if (!message.isDeleted &&