feat(mobile): slideshow view (#28421)

* feat(mobile): slideshow view

* move slideshow settings to metadata store

* remove watch in initState

* wrap progress bar in safearea

* show slideshow button on remote albums

* fix crash on unknown assets

* always show slideshow option

* add zoom effect

* add padding to slideshow settings

* chore: styling tweak

---------

Co-authored-by: Alex <alex.tran1502@gmail.com>

mobile/lib/routing/router.dart

@@ -60,6 +60,7 @@ import 'package:immich_mobile/presentation/pages/drift_place_detail.page.dart';
 import 'package:immich_mobile/presentation/pages/drift_recently_taken.page.dart';
 import 'package:immich_mobile/presentation/pages/drift_recently_added.page.dart';
 import 'package:immich_mobile/presentation/pages/drift_remote_album.page.dart';
+import 'package:immich_mobile/presentation/pages/drift_slideshow.page.dart';
 import 'package:immich_mobile/presentation/pages/drift_trash.page.dart';
 import 'package:immich_mobile/presentation/pages/drift_user_selection.page.dart';
 import 'package:immich_mobile/presentation/pages/drift_video.page.dart';
@@ -189,6 +190,7 @@ class AppRouter extends RootStackRouter {
     AutoRoute(page: AssetTroubleshootRoute.page, guards: [_authGuard, _duplicateGuard]),
     AutoRoute(page: DownloadInfoRoute.page, guards: [_authGuard, _duplicateGuard]),
     AutoRoute(page: CleanupPreviewRoute.page, guards: [_authGuard, _duplicateGuard]),
+    AutoRoute(page: DriftSlideshowRoute.page, guards: [_authGuard, _duplicateGuard]),
     // required to handle all deeplinks in deep_link.service.dart
     // auto_route_library#1722
     RedirectRoute(path: '*', redirectTo: '/'),

mobile/lib/routing/router.gr.dart

@@ -1095,6 +1095,53 @@ class DriftSearchRoute extends PageRouteInfo<void> {
   );
 }
 
+/// generated route for
+/// [DriftSlideshowPage]
+class DriftSlideshowRoute extends PageRouteInfo<DriftSlideshowRouteArgs> {
+  DriftSlideshowRoute({
+    Key? key,
+    required TimelineService timeline,
+    List<PageRouteInfo>? children,
+  }) : super(
+         DriftSlideshowRoute.name,
+         args: DriftSlideshowRouteArgs(key: key, timeline: timeline),
+         initialChildren: children,
+       );
+
+  static const String name = 'DriftSlideshowRoute';
+
+  static PageInfo page = PageInfo(
+    name,
+    builder: (data) {
+      final args = data.argsAs<DriftSlideshowRouteArgs>();
+      return DriftSlideshowPage(key: args.key, timeline: args.timeline);
+    },
+  );
+}
+
+class DriftSlideshowRouteArgs {
+  const DriftSlideshowRouteArgs({this.key, required this.timeline});
+
+  final Key? key;
+
+  final TimelineService timeline;
+
+  @override
+  String toString() {
+    return 'DriftSlideshowRouteArgs{key: $key, timeline: $timeline}';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+    if (other is! DriftSlideshowRouteArgs) return false;
+    return key == other.key && timeline == other.timeline;
+  }
+
+  @override
+  int get hashCode => key.hashCode ^ timeline.hashCode;
+}
+
 /// generated route for
 /// [DriftTrashPage]
 class DriftTrashRoute extends PageRouteInfo<void> {