add inkwell

lib/src/message_widget.dart

@@ -16,6 +16,7 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
 import 'image_group.dart';
 import 'message_text.dart';
+import 'utils.dart';
 
 typedef AttachmentBuilder = Widget Function(BuildContext, Message, Attachment);
 
@@ -354,7 +355,9 @@ class _MessageWidgetState extends State<MessageWidget> {
     var hostDisplayName =
         _getWebsiteName(hostName.toLowerCase()) ?? hostName.capitalize();
 
-    return Column(
+    return Stack(
+      children: [
+        Column(
           children: [
             if (urlAttachment.imageUrl != null)
               SizedBox(
@@ -373,7 +376,10 @@ class _MessageWidgetState extends State<MessageWidget> {
                       child: Container(
                         child: Padding(
                           padding: const EdgeInsets.only(
-                          top: 8.0, left: 8.0, right: 8.0),
+                            top: 8.0,
+                            left: 8.0,
+                            right: 8.0,
+                          ),
                           child: Text(
                             hostDisplayName,
                             style: TextStyle(
@@ -383,8 +389,9 @@ class _MessageWidgetState extends State<MessageWidget> {
                           ),
                         ),
                         decoration: BoxDecoration(
-                      borderRadius:
+                          borderRadius: BorderRadius.only(
-                          BorderRadius.only(topRight: Radius.circular(16.0)),
+                            topRight: Radius.circular(16.0),
+                          ),
                           color: Color(0xFFE9F2FF),
                         ),
                       ),
@@ -392,7 +399,8 @@ class _MessageWidgetState extends State<MessageWidget> {
                   ],
                 ),
                 clipBehavior: Clip.antiAlias,
-            decoration: BoxDecoration(borderRadius: BorderRadius.circular(8.0)),
+                decoration:
+                    BoxDecoration(borderRadius: BorderRadius.circular(8.0)),
               ),
             Padding(
               padding: widget.textPadding,
@@ -420,6 +428,19 @@ class _MessageWidgetState extends State<MessageWidget> {
               ),
             ),
           ],
+        ),
+        Positioned.fill(
+          child: Material(
+            color: Colors.transparent,
+            child: InkWell(
+              onTap: () => launchURL(
+                context,
+                urlAttachment.ogScrapeUrl,
+              ),
+            ),
+          ),
+        ),
+      ],
     );
   }