show big emoji

lib/src/message_widget.dart

@@ -5,6 +5,7 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
+import 'package:flutter_emoji/flutter_emoji.dart';
 import 'package:flutter_portal/flutter_portal.dart';
 import 'package:jiffy/jiffy.dart';
 import 'package:stream_chat_flutter/src/message_actions_modal.dart';
@@ -717,11 +718,11 @@ class _MessageWidgetState extends State<MessageWidget> {
     return SizedBox();
   }
 
-  Widget _buildTextBubble(BuildContext context) {
+  Widget _wrapTextInBubble({
-    return GestureDetector(
+    BuildContext context,
-      onTap: () => retryMessage(context),
+    Widget child,
-      onLongPress: () => onLongPress(context),
+  }) {
-      child: Material(
+    return Material(
       shape: widget.shape ??
           RoundedRectangleBorder(
             side: widget.borderSide ??
@@ -733,7 +734,16 @@ class _MessageWidgetState extends State<MessageWidget> {
             borderRadius: widget.borderRadiusGeometry ?? BorderRadius.zero,
           ),
       color: _getBackgroundColor(),
-        child: Transform(
+      child: child,
+    );
+  }
+
+  Widget _buildTextBubble(BuildContext context) {
+    final emojiParser = EmojiParser();
+    final isOnlyEmoji =
+        widget.message.text.characters.every((c) => emojiParser.hasEmoji(c));
+
+    Widget child = Transform(
       transform: Matrix4.rotationY(widget.reverse ? pi : 0),
       alignment: Alignment.center,
       child: Padding(
@@ -742,12 +752,35 @@ class _MessageWidgetState extends State<MessageWidget> {
           crossAxisAlignment: CrossAxisAlignment.end,
           children: [
             getFailedMessageWidget(context),
-                _buildText(context),
+            widget.textBuilder != null
+                ? widget.textBuilder(context, widget.message)
+                : MessageText(
+                    onLinkTap: widget.onLinkTap,
+                    message: widget.message,
+                    onMentionTap: widget.onMentionTap,
+                    messageTheme: isOnlyEmoji
+                        ? widget.messageTheme.copyWith(
+                            messageText:
+                                widget.messageTheme.messageText.copyWith(
+                            fontSize: 40,
+                          ))
+                        : widget.messageTheme,
+                  ),
           ],
         ),
       ),
-        ),
+    );
-      ),
+
+    if (!isOnlyEmoji) {
+      child = _wrapTextInBubble(
+        context: context,
+        child: child,
+      );
+    }
+    return GestureDetector(
+      onTap: () => retryMessage(context),
+      onLongPress: () => onLongPress(context),
+      child: child,
     );
   }
 
@@ -781,15 +814,4 @@ class _MessageWidgetState extends State<MessageWidget> {
       return;
     }
   }
-
-  Widget _buildText(BuildContext context) {
-    return widget.textBuilder != null
-        ? widget.textBuilder(context, widget.message)
-        : MessageText(
-            onLinkTap: widget.onLinkTap,
-            message: widget.message,
-            onMentionTap: widget.onMentionTap,
-            messageTheme: widget.messageTheme,
-          );
-  }
 }