notify parent object when child state mutates

Author: hiroshihorie

Sources/LiveKit/Core/Room.swift

@@ -185,6 +185,7 @@ public class Room: NSObject, ObservableObject, Loggable {
                 }
             }
 
+            // Notify Room when state mutates
             Task.detached { @MainActor in
                 self.objectWillChange.send()
             }

Sources/LiveKit/Participant/Participant.swift

@@ -151,9 +151,12 @@ public class Participant: NSObject, ObservableObject, Loggable {
                 }
             }
 
-            // notify object change when any state updates
+            // Notify when state mutates
             Task.detached { @MainActor in
+                // Notify Participant
                 self.objectWillChange.send()
+                // Notify Room
+                self.room.objectWillChange.send()
             }
         }
     }

Sources/LiveKit/TrackPublications/TrackPublication.swift

@@ -131,8 +131,17 @@ public class TrackPublication: NSObject, ObservableObject, TrackDelegate, Loggab
                 }
             }
 
+            // Notify when state mutates
             Task.detached { @MainActor in
+                // Notify TrackPublication
                 self.objectWillChange.send()
+
+                if let participant = self.participant {
+                    // Notify Participant
+                    participant.objectWillChange.send()
+                    // Notify Room
+                    participant.room.objectWillChange.send()
+                }
             }
         }
     }