refactor(mobile): services and providers (#9232)

* refactor(mobile): services and provider

* providers

mobile/lib/providers/asset_viewer/video_player_controls_provider.dart

@@ -0,0 +1,96 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+
+class VideoPlaybackControls {
+  VideoPlaybackControls({
+    required this.position,
+    required this.mute,
+    required this.pause,
+  });
+
+  final double position;
+  final bool mute;
+  final bool pause;
+}
+
+final videoPlayerControlsProvider =
+    StateNotifierProvider<VideoPlayerControls, VideoPlaybackControls>((ref) {
+  return VideoPlayerControls(ref);
+});
+
+class VideoPlayerControls extends StateNotifier<VideoPlaybackControls> {
+  VideoPlayerControls(this.ref)
+      : super(
+          VideoPlaybackControls(
+            position: 0,
+            pause: false,
+            mute: false,
+          ),
+        );
+
+  final Ref ref;
+
+  VideoPlaybackControls get value => state;
+
+  set value(VideoPlaybackControls value) {
+    state = value;
+  }
+
+  void reset() {
+    state = VideoPlaybackControls(
+      position: 0,
+      pause: false,
+      mute: false,
+    );
+  }
+
+  double get position => state.position;
+  bool get mute => state.mute;
+
+  set position(double value) {
+    state = VideoPlaybackControls(
+      position: value,
+      mute: state.mute,
+      pause: state.pause,
+    );
+  }
+
+  set mute(bool value) {
+    state = VideoPlaybackControls(
+      position: state.position,
+      mute: value,
+      pause: state.pause,
+    );
+  }
+
+  void toggleMute() {
+    state = VideoPlaybackControls(
+      position: state.position,
+      mute: !state.mute,
+      pause: state.pause,
+    );
+  }
+
+  void pause() {
+    state = VideoPlaybackControls(
+      position: state.position,
+      mute: state.mute,
+      pause: true,
+    );
+  }
+
+  void play() {
+    state = VideoPlaybackControls(
+      position: state.position,
+      mute: state.mute,
+      pause: false,
+    );
+  }
+
+  void togglePlay() {
+    state = VideoPlaybackControls(
+      position: state.position,
+      mute: state.mute,
+      pause: !state.pause,
+    );
+  }
+}