feat(mobile): locate in timeline (#16722)

* feat(mobile): view in timeline

* fix: throwing error on scroll

* only show option if not in photos tab

mobile/lib/widgets/asset_grid/immich_asset_grid_view.dart

@@ -332,7 +332,7 @@ class ImmichAssetGridViewState extends ConsumerState<ImmichAssetGridView> {
       );
     }
 
-    if (index != -1 && index < widget.renderList.elements.length) {
+    if (index < widget.renderList.elements.length) {
       // Not sure why the index is shifted, but it works. :3
       _scrollToIndex(index + 1);
     } else {

mobile/lib/widgets/asset_viewer/gallery_app_bar.dart

@@ -5,6 +5,8 @@ import 'package:fluttertoast/fluttertoast.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/providers/album/current_album.provider.dart';
 import 'package:immich_mobile/providers/asset_viewer/current_asset.provider.dart';
+import 'package:immich_mobile/providers/asset_viewer/scroll_to_date_notifier.provider.dart';
+import 'package:immich_mobile/providers/tab.provider.dart';
 import 'package:immich_mobile/widgets/album/add_to_album_bottom_sheet.dart';
 import 'package:immich_mobile/providers/asset_viewer/download.provider.dart';
 import 'package:immich_mobile/providers/asset_viewer/show_controls.provider.dart';
@@ -95,6 +97,16 @@ class GalleryAppBar extends ConsumerWidget {
       ref.read(downloadStateProvider.notifier).downloadAsset(asset, context);
     }
 
+    handleLocateAsset() async {
+      // Go back to the gallery
+      await context.maybePop();
+      await context
+          .navigateTo(const TabControllerRoute(children: [PhotosRoute()]));
+      ref.read(tabProvider.notifier).update((state) => state = TabEnum.home);
+      // Scroll to the asset's date
+      scrollToDateNotifierProvider.scrollToDate(asset.fileCreatedAt);
+    }
+
     return IgnorePointer(
       ignoring: !showControls,
       child: AnimatedOpacity(
@@ -107,6 +119,7 @@ class GalleryAppBar extends ConsumerWidget {
             isPartner: isPartner,
             asset: asset,
             onMoreInfoPressed: showInfo,
+            onLocatePressed: handleLocateAsset,
             onFavorite: toggleFavorite,
             onRestorePressed: () => handleRestore(asset),
             onUploadPressed: asset.isLocal ? () => handleUpload(asset) : null,

mobile/lib/widgets/asset_viewer/top_control_app_bar.dart

@@ -5,6 +5,7 @@ import 'package:immich_mobile/providers/activity_statistics.provider.dart';
 import 'package:immich_mobile/providers/album/current_album.provider.dart';
 import 'package:immich_mobile/entities/asset.entity.dart';
 import 'package:immich_mobile/providers/asset.provider.dart';
+import 'package:immich_mobile/providers/tab.provider.dart';
 import 'package:immich_mobile/widgets/asset_viewer/motion_photo_button.dart';
 
 class TopControlAppBar extends HookConsumerWidget {
@@ -13,6 +14,7 @@ class TopControlAppBar extends HookConsumerWidget {
     required this.asset,
     required this.onMoreInfoPressed,
     required this.onDownloadPressed,
+    required this.onLocatePressed,
     required this.onAddToAlbumPressed,
     required this.onRestorePressed,
     required this.onFavorite,
@@ -26,6 +28,7 @@ class TopControlAppBar extends HookConsumerWidget {
   final Function onMoreInfoPressed;
   final VoidCallback? onUploadPressed;
   final VoidCallback? onDownloadPressed;
+  final VoidCallback onLocatePressed;
   final VoidCallback onAddToAlbumPressed;
   final VoidCallback onRestorePressed;
   final VoidCallback onActivitiesPressed;
@@ -54,6 +57,18 @@ class TopControlAppBar extends HookConsumerWidget {
       );
     }
 
+    Widget buildLocateButton() {
+      return IconButton(
+        onPressed: () {
+          onLocatePressed();
+        },
+        icon: Icon(
+          Icons.image_search,
+          color: Colors.grey[200],
+        ),
+      );
+    }
+
     Widget buildMoreInfoButton() {
       return IconButton(
         onPressed: () {
@@ -159,6 +174,8 @@ class TopControlAppBar extends HookConsumerWidget {
       shape: const Border(),
       actions: [
         if (asset.isRemote && isOwner) buildFavoriteButton(a),
+        if (isOwner && ref.read(tabProvider.notifier).state != TabEnum.home)
+          buildLocateButton(),
         if (asset.livePhotoVideoId != null) const MotionPhotoButton(),
         if (asset.isLocal && !asset.isRemote) buildUploadButton(),
         if (asset.isRemote && !asset.isLocal && isOwner) buildDownloadButton(),