added customisation options for attachment actions modal and related widgets

packages/stream_chat_flutter/lib/src/attachment_actions_modal.dart

@@ -24,6 +24,10 @@ class AttachmentActionsModal extends StatelessWidget {
     this.onShowMessage,
     this.imageDownloader,
     this.fileDownloader,
+    this.showReply = true,
+    this.showShowInChat = true,
+    this.showSave = true,
+    this.showDelete = true,
   }) : super(key: key);
 
   /// The message containing the attachments
@@ -41,6 +45,18 @@ class AttachmentActionsModal extends StatelessWidget {
   /// Callback to provide download files
   final AttachmentDownloader? fileDownloader;
 
+  /// Show reply option
+  final bool showReply;
+
+  /// Show show in chat option
+  final bool showShowInChat;
+
+  /// Show save option
+  final bool showSave;
+
+  /// Show delete option
+  final bool showDelete;
+
   @override
   Widget build(BuildContext context) => GestureDetector(
         behavior: HitTestBehavior.translucent,
@@ -67,6 +83,7 @@ class AttachmentActionsModal extends StatelessWidget {
                 crossAxisAlignment: CrossAxisAlignment.end,
                 mainAxisSize: MainAxisSize.min,
                 children: [
+                  if (showReply)
                     _buildButton(
                       context,
                       context.translations.replyLabel,
@@ -78,6 +95,7 @@ class AttachmentActionsModal extends StatelessWidget {
                         Navigator.pop(context, ReturnActionType.reply);
                       },
                     ),
+                  if (showShowInChat)
                     _buildButton(
                       context,
                       context.translations.showInChatLabel,
@@ -87,6 +105,7 @@ class AttachmentActionsModal extends StatelessWidget {
                       ),
                       onShowMessage,
                     ),
+                  if (showSave)
                     _buildButton(
                       context,
                       message.attachments[currentIndex].type == 'video'
@@ -142,7 +161,8 @@ class AttachmentActionsModal extends StatelessWidget {
                       },
                     ),
                   if (StreamChat.of(context).currentUser?.id ==
-                      message.user?.id)
+                          message.user?.id &&
+                      showDelete)
                     _buildButton(
                       context,
                       context.translations.deleteLabel.capitalize(),

packages/stream_chat_flutter/lib/src/full_screen_media.dart

@@ -33,6 +33,10 @@ class FullScreenMedia extends StatefulWidget {
     this.startIndex = 0,
     String? userName,
     this.onShowMessage,
+    this.showReply = true,
+    this.showShowInChat = true,
+    this.showSave = true,
+    this.showDelete = true,
   })  : userName = userName ?? '',
         super(key: key);
 
@@ -51,6 +55,18 @@ class FullScreenMedia extends StatefulWidget {
   /// Callback for when show message is tapped
   final ShowMessageCallback? onShowMessage;
 
+  /// Show reply option
+  final bool showReply;
+
+  /// Show show in chat option
+  final bool showShowInChat;
+
+  /// Show save option
+  final bool showSave;
+
+  /// Show delete option
+  final bool showDelete;
+
   @override
   _FullScreenMediaState createState() => _FullScreenMediaState();
 }
@@ -196,6 +212,10 @@ class _FullScreenMediaState extends State<FullScreenMedia>
                         StreamChannel.of(context).channel,
                       );
                     },
+                    showReply: widget.showReply,
+                    showShowInChat: widget.showShowInChat,
+                    showSave: widget.showSave,
+                    showDelete: widget.showDelete,
                   ),
                   if (!widget.message.isEphemeral)
                     GalleryFooter(

packages/stream_chat_flutter/lib/src/gallery_header.dart

@@ -21,6 +21,10 @@ class GalleryHeader extends StatelessWidget implements PreferredSizeWidget {
     this.userName = '',
     this.sentAt = '',
     this.backgroundColor,
+    this.showReply = true,
+    this.showShowInChat = true,
+    this.showSave = true,
+    this.showDelete = true,
   })  : preferredSize = const Size.fromHeight(kToolbarHeight),
         super(key: key);
 
@@ -55,6 +59,18 @@ class GalleryHeader extends StatelessWidget implements PreferredSizeWidget {
   /// The background color of this [GalleryHeader].
   final Color? backgroundColor;
 
+  /// Show reply option
+  final bool showReply;
+
+  /// Show show in chat option
+  final bool showShowInChat;
+
+  /// Show save option
+  final bool showSave;
+
+  /// Show delete option
+  final bool showDelete;
+
   @override
   Widget build(BuildContext context) {
     final galleryHeaderThemeData = GalleryHeaderTheme.of(context);
@@ -133,6 +149,10 @@ class GalleryHeader extends StatelessWidget implements PreferredSizeWidget {
           message: message,
           currentIndex: currentIndex,
           onShowMessage: onShowMessage,
+          showReply: showReply,
+          showShowInChat: showShowInChat,
+          showSave: showSave,
+          showDelete: showDelete,
         ),
       ),
     );