update track settings (#77)

lib/src/core/room.dart

@@ -116,6 +116,7 @@ class Room extends DisposableChangeNotifier with EventsEmittable<RoomEvent> {
     ..on<EngineReconnectedEvent>((event) async {
       _connectionState = ConnectionState.connected;
       events.emit(const RoomReconnectedEvent());
+      await _handlePostReconnect(false);
     })
     ..on<EngineReconnectingEvent>((event) async {
       _connectionState = ConnectionState.reconnecting;
@@ -472,6 +473,20 @@ class Room extends DisposableChangeNotifier with EventsEmittable<RoomEvent> {
     );
   }
 
+  Future<void> _handlePostReconnect(bool isFullReconnect) async {
+    if (isFullReconnect) {
+      // TODO republish tracks on full reconnect
+    } else {
+      for (var participant in participants.values) {
+        for (var pub in participant.trackPublications.values) {
+          if (pub.subscribed) {
+            pub.sendUpdateTrackSettings();
+          }
+        }
+      }
+    }
+  }
+
   /// To be used for internal testing purposes only.
   Future<void> simulateScenario({
     int? speakerUpdate,

lib/src/publication/remote.dart

@@ -220,19 +220,19 @@ class RemoteTrackPublication<T extends RemoteTrack>
   set videoQuality(lk_models.VideoQuality newValue) {
     if (newValue == _videoQuality) return;
     _videoQuality = newValue;
-    _sendUpdateTrackSettings();
+    sendUpdateTrackSettings();
   }
 
   Future<void> enable() async {
     if (_enabled) return;
     _enabled = true;
-    _sendUpdateTrackSettings();
+    sendUpdateTrackSettings();
   }
 
   Future<void> disable() async {
     if (!_enabled) return;
     _enabled = false;
-    _sendUpdateTrackSettings();
+    sendUpdateTrackSettings();
   }
 
   Future<void> subscribe() async {
@@ -277,7 +277,8 @@ class RemoteTrackPublication<T extends RemoteTrack>
     participant.room.engine.signalClient.sendUpdateSubscription(subscription);
   }
 
-  void _sendUpdateTrackSettings() {
+  @internal
+  void sendUpdateTrackSettings() {
     final settings = lk_rtc.UpdateTrackSettings(
       trackSids: [sid],
       disabled: !_enabled,