feat(mobile): consolidate video controls

mobile/lib/constants/colors.dart

@@ -7,6 +7,6 @@ const String defaultColorPresetName = "indigo";
 
 const Color immichBrandColorLight = Color(0xFF4150AF);
 const Color immichBrandColorDark = Color(0xFFACCBFA);
-const Color whiteOpacity75 = Color.fromARGB((0.75 * 255) ~/ 1, 255, 255, 255);
+const Color whiteOpacity75 = Color.fromRGBO(255, 255, 255, 0.75);
 const Color red400 = Color(0xFFEF5350);
 const Color grey200 = Color(0xFFEEEEEE);

mobile/lib/presentation/widgets/asset_viewer/asset_page.widget.dart

@@ -19,7 +19,6 @@ import 'package:immich_mobile/presentation/widgets/images/image_provider.dart';
 import 'package:immich_mobile/presentation/widgets/images/thumbnail.widget.dart';
 import 'package:immich_mobile/providers/app_settings.provider.dart';
 import 'package:immich_mobile/providers/asset_viewer/is_motion_video_playing.provider.dart';
-import 'package:immich_mobile/providers/asset_viewer/video_player_provider.dart';
 import 'package:immich_mobile/services/app_settings.service.dart';
 import 'package:immich_mobile/providers/infrastructure/timeline.provider.dart';
 import 'package:immich_mobile/widgets/common/immich_loading_indicator.dart';
@@ -248,11 +247,6 @@ class _AssetPageState extends ConsumerState<AssetPage> {
 
     if (scaleState != PhotoViewScaleState.initial) {
       if (_dragStart == null) _viewer.setControls(false);
-
-      final heroTag = ref.read(assetViewerProvider).currentAsset?.heroTag;
-      if (heroTag != null) {
-        ref.read(videoPlayerProvider(heroTag).notifier).pause();
-      }
       return;
     }
 

mobile/lib/presentation/widgets/asset_viewer/bottom_bar.widget.dart

@@ -61,15 +61,27 @@ class ViewerBottomBar extends ConsumerWidget {
                 ),
               ),
               child: Container(
-                color: Colors.black.withAlpha(125),
-                padding: EdgeInsets.only(bottom: context.padding.bottom, top: 16),
-                child: Column(
-                  mainAxisSize: MainAxisSize.min,
-                  children: [
-                    if (asset.isVideo) VideoControls(videoPlayerName: asset.heroTag),
-                    if (!isReadonlyModeEnabled)
-                      Row(mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: actions),
-                  ],
+                decoration: const BoxDecoration(
+                  gradient: LinearGradient(
+                    begin: Alignment.bottomCenter,
+                    end: Alignment.topCenter,
+                    colors: [Colors.black45, Colors.black12, Colors.transparent],
+                    stops: [0.0, 0.7, 1.0],
+                  ),
+                ),
+                child: SafeArea(
+                  top: false,
+                  child: Padding(
+                    padding: const EdgeInsets.only(top: 16),
+                    child: Column(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        if (asset.isVideo) VideoControls(videoPlayerName: asset.heroTag),
+                        if (!isReadonlyModeEnabled)
+                          Row(mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: actions),
+                      ],
+                    ),
+                  ),
                 ),
               ),
             ),

mobile/lib/presentation/widgets/asset_viewer/video_viewer.widget.dart

@@ -10,7 +10,6 @@ import 'package:immich_mobile/entities/store.entity.dart';
 import 'package:immich_mobile/extensions/platform_extensions.dart';
 import 'package:immich_mobile/infrastructure/repositories/storage.repository.dart';
 import 'package:immich_mobile/providers/asset_viewer/asset_viewer.provider.dart';
-import 'package:immich_mobile/presentation/widgets/asset_viewer/video_viewer_controls.widget.dart';
 import 'package:immich_mobile/providers/app_settings.provider.dart';
 import 'package:immich_mobile/providers/asset_viewer/is_motion_video_playing.provider.dart';
 import 'package:immich_mobile/providers/asset_viewer/video_player_provider.dart';
@@ -186,11 +185,7 @@ class _NativeVideoViewerState extends ConsumerState<NativeVideoViewer> with Widg
     final source = await _videoSource;
     if (source == null || !mounted) return;
 
-    unawaited(
-      nc.loadVideoSource(source).catchError((error) {
-        _log.severe('Error loading video source: $error');
-      }),
-    );
+    await _notifier.load(source);
     final loopVideo = ref.read(appSettingsServiceProvider).getSetting<bool>(AppSettingsEnum.loopVideo);
     await _notifier.setLoop(!widget.asset.isMotionPhoto && loopVideo);
     await _notifier.setVolume(1);
@@ -213,21 +208,28 @@ class _NativeVideoViewerState extends ConsumerState<NativeVideoViewer> with Widg
 
   @override
   Widget build(BuildContext context) {
-    // Prevent the provider from being disposed whilst the widget is alive.
-    ref.listen(videoPlayerProvider(widget.asset.heroTag), (_, __) {});
-
     final isCasting = ref.watch(castProvider.select((c) => c.isCasting));
-
-    return Stack(
-      children: [
-        Center(child: widget.image),
-        if (!isCasting)
-          Visibility.maintain(
-            visible: _isVideoReady,
-            child: NativeVideoPlayerView(onViewReady: _initController),
-          ),
-        if (widget.showControls) Center(child: VideoViewerControls(asset: widget.asset)),
-      ],
+    final status = ref.watch(videoPlayerProvider(widget.asset.heroTag).select((v) => v.status));
+
+    return IgnorePointer(
+      child: Stack(
+        children: [
+          Center(child: widget.image),
+          if (!isCasting) ...[
+            Visibility.maintain(
+              visible: _isVideoReady,
+              child: NativeVideoPlayerView(onViewReady: _initController),
+            ),
+            Center(
+              child: AnimatedOpacity(
+                opacity: status == VideoPlaybackStatus.buffering ? 1.0 : 0.0,
+                duration: const Duration(milliseconds: 400),
+                child: const CircularProgressIndicator(),
+              ),
+            ),
+          ],
+        ],
+      ),
     );
   }
 }

mobile/lib/presentation/widgets/asset_viewer/viewer_top_app_bar.widget.dart

@@ -75,17 +75,29 @@ class ViewerTopAppBar extends ConsumerWidget implements PreferredSizeWidget {
       child: AnimatedOpacity(
         opacity: opacity,
         duration: Durations.short2,
-        child: AppBar(
-          backgroundColor: showingDetails ? Colors.transparent : Colors.black.withValues(alpha: 0.5),
-          leading: const _AppBarBackButton(),
-          iconTheme: const IconThemeData(size: 22, color: Colors.white),
-          actionsIconTheme: const IconThemeData(size: 22, color: Colors.white),
-          shape: const Border(),
-          actions: showingDetails || isReadonlyModeEnabled
-              ? null
-              : isInLockedView
-              ? lockedViewActions
-              : actions,
+        child: DecoratedBox(
+          decoration: BoxDecoration(
+            gradient: showingDetails
+                ? null
+                : const LinearGradient(
+                    begin: Alignment.topCenter,
+                    end: Alignment.bottomCenter,
+                    colors: [Colors.black45, Colors.black12, Colors.transparent],
+                    stops: [0.0, 0.7, 1.0],
+                  ),
+          ),
+          child: AppBar(
+            backgroundColor: Colors.transparent,
+            leading: const _AppBarBackButton(),
+            iconTheme: const IconThemeData(size: 22, color: Colors.white),
+            actionsIconTheme: const IconThemeData(size: 22, color: Colors.white),
+            shape: const Border(),
+            actions: showingDetails || isReadonlyModeEnabled
+                ? null
+                : isInLockedView
+                ? lockedViewActions
+                : actions,
+          ),
         ),
       ),
     );

mobile/lib/providers/asset_viewer/asset_viewer.provider.dart

@@ -100,11 +100,11 @@ class AssetViewerStateNotifier extends Notifier<AssetViewerState> {
       return;
     }
     state = state.copyWith(showingDetails: showing, showingControls: showing ? true : state.showingControls);
-    if (showing) {
-      final heroTag = state.currentAsset?.heroTag;
-      if (heroTag != null) {
-        ref.read(videoPlayerProvider(heroTag).notifier).pause();
-      }
+
+    final heroTag = state.currentAsset?.heroTag;
+    if (heroTag != null) {
+      final notifier = ref.read(videoPlayerProvider(heroTag).notifier);
+      showing ? notifier.hold() : notifier.release();
     }
   }