Source Code added

mobile/lib/presentation/widgets/action_buttons/download_action_button.widget.dart

@@ -0,0 +1,47 @@
+import 'package:immich_mobile/constants/enums.dart';
+import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/domain/utils/background_sync.dart';
+import 'package:immich_mobile/extensions/translate_extensions.dart';
+import 'package:immich_mobile/presentation/widgets/action_buttons/base_action_button.widget.dart';
+import 'package:immich_mobile/providers/background_sync.provider.dart';
+import 'package:immich_mobile/providers/infrastructure/action.provider.dart';
+import 'package:immich_mobile/providers/timeline/multiselect.provider.dart';
+
+class DownloadActionButton extends ConsumerWidget {
+  final ActionSource source;
+  final bool iconOnly;
+  final bool menuItem;
+  const DownloadActionButton({super.key, required this.source, this.iconOnly = false, this.menuItem = false});
+
+  void _onTap(BuildContext context, WidgetRef ref, BackgroundSyncManager backgroundSyncManager) async {
+    if (!context.mounted) {
+      return;
+    }
+
+    try {
+      await ref.read(actionProvider.notifier).downloadAll(source);
+
+      Future.delayed(const Duration(seconds: 1), () async {
+        await backgroundSyncManager.syncLocal();
+        await backgroundSyncManager.hashAssets();
+      });
+    } finally {
+      ref.read(multiSelectProvider.notifier).reset();
+    }
+  }
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final backgroundManager = ref.watch(backgroundSyncProvider);
+
+    return BaseActionButton(
+      iconData: Icons.download,
+      maxWidth: 95,
+      label: "download".t(context: context),
+      iconOnly: iconOnly,
+      menuItem: menuItem,
+      onPressed: () => _onTap(context, ref, backgroundManager),
+    );
+  }
+}