From a1fc65aba24f2f7b12d6fee942e121e11e075203 Mon Sep 17 00:00:00 2001
From: Freek van de Ven <freek@freekvandeven.nl>
Date: Thu, 20 Feb 2025 14:14:35 +0100
Subject: [PATCH] feat: add previousMessage to the messageThemeResolver

---
 packages/flutter_chat/lib/src/config/chat_options.dart        | 2 ++
 .../screens/chat_detail/widgets/default_message_builder.dart  | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/flutter_chat/lib/src/config/chat_options.dart b/packages/flutter_chat/lib/src/config/chat_options.dart
index f1daedd..7cf3a51 100644
--- a/packages/flutter_chat/lib/src/config/chat_options.dart
+++ b/packages/flutter_chat/lib/src/config/chat_options.dart
@@ -106,6 +106,7 @@ typedef SenderTitleResolver = String? Function(UserModel? user);
 typedef MessageThemeResolver = MessageTheme? Function(
   BuildContext context,
   MessageModel message,
+  MessageModel? previousMessage,
   UserModel? sender,
 );
 
@@ -246,6 +247,7 @@ class MessageTheme {
 MessageTheme? _defaultMessageThemeResolver(
   BuildContext context,
   MessageModel message,
+  MessageModel? previousMessage,
   UserModel? sender,
 ) =>
     null;
diff --git a/packages/flutter_chat/lib/src/screens/chat_detail/widgets/default_message_builder.dart b/packages/flutter_chat/lib/src/screens/chat_detail/widgets/default_message_builder.dart
index da0576d..dd55e24 100644
--- a/packages/flutter_chat/lib/src/screens/chat_detail/widgets/default_message_builder.dart
+++ b/packages/flutter_chat/lib/src/screens/chat_detail/widgets/default_message_builder.dart
@@ -53,10 +53,11 @@ class DefaultChatMessageBuilder extends StatelessWidget {
     required BuildContext context,
     required ChatOptions options,
     required MessageModel message,
+    required MessageModel? previousMessage,
     required UserModel? user,
   }) =>
       [
-        options.messageThemeResolver(context, message, user),
+        options.messageThemeResolver(context, message, previousMessage, user),
         options.messageTheme,
         MessageTheme.fromTheme(Theme.of(context)),
       ].whereType<MessageTheme>().reduce((value, element) => value | element);
@@ -71,6 +72,7 @@ class DefaultChatMessageBuilder extends StatelessWidget {
       context: context,
       options: options,
       message: message,
+      previousMessage: previousMessage,
       user: sender,
     );