feat(ui): add support for MessageInput.allowedAttachmentPickerTypes.

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_flutter/lib/src/message_input/attachment_picker/stream_attachment_picker.dart

@@ -693,6 +693,7 @@ Widget mobileAttachmentPickerBuilder({
   required BuildContext context,
   required StreamAttachmentPickerController controller,
   Iterable<AttachmentPickerOption>? customOptions,
+  List<AttachmentPickerType> allowedTypes = AttachmentPickerType.values,
   ThumbnailSize attachmentThumbnailSize = const ThumbnailSize(400, 400),
   ThumbnailFormat attachmentThumbnailFormat = ThumbnailFormat.jpeg,
   int attachmentThumbnailQuality = 100,
@@ -702,6 +703,7 @@ Widget mobileAttachmentPickerBuilder({
     controller: controller,
     onSendAttachments: Navigator.of(context).pop,
     options: {
+      ...{
         if (customOptions != null) ...customOptions,
         AttachmentPickerOption(
           key: 'gallery-picker',
@@ -770,6 +772,7 @@ Widget mobileAttachmentPickerBuilder({
             );
           },
         ),
+      }..where((option) => option.supportedTypes.every(allowedTypes.contains)),
     },
   );
 }
@@ -779,6 +782,7 @@ Widget webOrDesktopAttachmentPickerBuilder({
   required BuildContext context,
   required StreamAttachmentPickerController controller,
   Iterable<WebOrDesktopAttachmentPickerOption>? customOptions,
+  List<AttachmentPickerType> allowedTypes = AttachmentPickerType.values,
   ThumbnailSize attachmentThumbnailSize = const ThumbnailSize(400, 400),
   ThumbnailFormat attachmentThumbnailFormat = ThumbnailFormat.jpeg,
   int attachmentThumbnailQuality = 100,
@@ -787,6 +791,7 @@ Widget webOrDesktopAttachmentPickerBuilder({
   return StreamWebOrDesktopAttachmentPickerBottomSheet(
     controller: controller,
     options: {
+      ...{
         if (customOptions != null) ...customOptions,
         WebOrDesktopAttachmentPickerOption(
           key: 'image-picker',
@@ -806,6 +811,7 @@ Widget webOrDesktopAttachmentPickerBuilder({
           icon: StreamSvgIcon.files(size: 36).toIconThemeSvgIcon(),
           title: context.translations.uploadAFileLabel,
         ),
+      }.where((option) => option.supportedTypes.every(allowedTypes.contains)),
     },
     onOptionTap: (context, controller, option) async {
       final attachment = await StreamAttachmentHandler.instance.pickFile(

packages/stream_chat_flutter/lib/src/message_input/attachment_picker/stream_attachment_picker_bottom_sheet.dart

@@ -66,6 +66,7 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 Future<T?> showStreamAttachmentPickerModalBottomSheet<T>({
   required BuildContext context,
   Iterable<AttachmentPickerOption>? customOptions,
+  List<AttachmentPickerType> allowedTypes = AttachmentPickerType.values,
   List<Attachment>? initialAttachments,
   StreamAttachmentPickerController? controller,
   Color? backgroundColor,
@@ -117,6 +118,7 @@ Future<T?> showStreamAttachmentPickerModalBottomSheet<T>({
             return webOrDesktopAttachmentPickerBuilder.call(
               context: context,
               controller: controller,
+              allowedTypes: allowedTypes,
               customOptions: customOptions?.map(
                 WebOrDesktopAttachmentPickerOption.fromAttachmentPickerOption,
               ),
@@ -130,6 +132,7 @@ Future<T?> showStreamAttachmentPickerModalBottomSheet<T>({
           return mobileAttachmentPickerBuilder.call(
             context: context,
             controller: controller,
+            allowedTypes: allowedTypes,
             customOptions: customOptions,
             attachmentThumbnailSize: attachmentThumbnailSize,
             attachmentThumbnailFormat: attachmentThumbnailFormat,

packages/stream_chat_flutter/lib/src/message_input/stream_message_input.dart

@@ -122,6 +122,7 @@ class StreamMessageInput extends StatefulWidget {
     this.maxAttachmentSize = kDefaultMaxAttachmentSize,
     this.onError,
     this.attachmentLimit = 10,
+    this.allowedAttachmentPickerTypes = AttachmentPickerType.values,
     this.onAttachmentLimitExceed,
     this.attachmentButtonBuilder,
     this.commandButtonBuilder,
@@ -233,6 +234,12 @@ class StreamMessageInput extends StatefulWidget {
   /// A limit for the no. of attachments that can be sent with a single message.
   final int attachmentLimit;
 
+  /// The list of allowed attachment types which can be picked using the
+  /// attachment button.
+  ///
+  /// By default, all the attachment types are allowed.
+  final List<AttachmentPickerType> allowedAttachmentPickerTypes;
+
   /// A callback for when the [attachmentLimit] is exceeded.
   ///
   /// This will override the default error alert behaviour.
@@ -771,8 +778,9 @@ class StreamMessageInputState extends State<StreamMessageInput>
   Future<void> _onAttachmentButtonPressed() async {
     final attachments = await showStreamAttachmentPickerModalBottomSheet(
       context: context,
-      initialAttachments: _effectiveController.attachments,
       useRootNavigator: true,
+      allowedTypes: widget.allowedAttachmentPickerTypes,
+      initialAttachments: _effectiveController.attachments,
     );
 
     if (attachments != null) {