Source Code added

mobile/lib/providers/asset_viewer/video_player_controls_provider.dart

@@ -0,0 +1,71 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/providers/asset_viewer/video_player_value_provider.dart';
+
+class VideoPlaybackControls {
+  const VideoPlaybackControls({required this.position, required this.pause, this.restarted = false});
+
+  final Duration position;
+  final bool pause;
+  final bool restarted;
+}
+
+final videoPlayerControlsProvider = StateNotifierProvider<VideoPlayerControls, VideoPlaybackControls>((ref) {
+  return VideoPlayerControls(ref);
+});
+
+const videoPlayerControlsDefault = VideoPlaybackControls(position: Duration.zero, pause: false);
+
+class VideoPlayerControls extends StateNotifier<VideoPlaybackControls> {
+  VideoPlayerControls(this.ref) : super(videoPlayerControlsDefault);
+
+  final Ref ref;
+
+  VideoPlaybackControls get value => state;
+
+  set value(VideoPlaybackControls value) {
+    state = value;
+  }
+
+  void reset() {
+    state = videoPlayerControlsDefault;
+  }
+
+  Duration get position => state.position;
+  bool get paused => state.pause;
+
+  set position(Duration value) {
+    if (state.position == value) {
+      return;
+    }
+
+    state = VideoPlaybackControls(position: value, pause: state.pause);
+  }
+
+  void pause() {
+    if (state.pause) {
+      return;
+    }
+
+    state = VideoPlaybackControls(position: state.position, pause: true);
+  }
+
+  void play() {
+    if (!state.pause) {
+      return;
+    }
+
+    state = VideoPlaybackControls(position: state.position, pause: false);
+  }
+
+  void togglePlay() {
+    state = VideoPlaybackControls(position: state.position, pause: !state.pause);
+  }
+
+  void restart() {
+    state = const VideoPlaybackControls(position: Duration.zero, pause: false, restarted: true);
+    ref.read(videoPlaybackValueProvider.notifier).value = ref
+        .read(videoPlaybackValueProvider.notifier)
+        .value
+        .copyWith(state: VideoPlaybackState.playing, position: Duration.zero);
+  }
+}