publish and unpublish events for local participant

@@ -76,7 +76,7 @@ constructor(
         }
 
         val lp = localParticipantFactory.create(response.participant)
-        lp.listener = this
+        lp.internalListener = this
         localParticipant = lp
         if (response.otherParticipantsList.isNotEmpty()) {
             response.otherParticipantsList.forEach {
@@ -366,7 +366,7 @@ constructor(
         listener?.onFailedToConnect(this, error)
     }
 
-    //------------------------------- RemoteParticipant.Listener --------------------------------//
+    //------------------------------- ParticipantListener --------------------------------//
     /**
      * This is called for both Local and Remote participants
      * @suppress
@@ -402,6 +402,20 @@ constructor(
     /**
      * @suppress
      */
+    override fun onTrackPublished(publication: LocalTrackPublication, participant: LocalParticipant) {
+        listener?.onTrackPublished(publication,  participant, this)
+    }
+
+    /**
+     * @suppress
+     */
+    override fun onTrackUnpublished(publication: LocalTrackPublication, participant: LocalParticipant) {
+        listener?.onTrackUnpublished(publication,  participant, this)
+    }
+
+    /**
+     * @suppress
+     */
     override fun onTrackSubscribed(track: Track, publication: RemoteTrackPublication, participant: RemoteParticipant) {
         listener?.onTrackSubscribed(track, publication, participant, this)
     }
@@ -531,6 +545,16 @@ interface RoomListener {
     fun onTrackUnpublished(publication: TrackPublication, participant: RemoteParticipant, room: Room) {}
 
     /**
+     * When a new track is published to room after the local participant has joined.
+     */
+    fun onTrackPublished(publication: LocalTrackPublication, participant: LocalParticipant, room: Room) {}
+
+    /**
+     * [LocalParticipant] has unpublished a track
+     */
+    fun onTrackUnpublished(publication: LocalTrackPublication, participant: LocalParticipant, room: Room) {}
+
+    /**
      * The [LocalParticipant] has subscribed to a new track. This event will always fire as
      * long as new tracks are ready for use.
      */

@@ -34,7 +34,9 @@ internal constructor(
     }
 
     private val localTrackPublications
-        get() = tracks.values.toList()
+        get() = tracks.values
+            .mapNotNull { it as? LocalTrackPublication }
+            .toList()
 
     /**
      * Creates an audio track, recording audio through the microphone with the given [options].
@@ -133,6 +135,7 @@ internal constructor(
         val publication = LocalTrackPublication(trackInfo, track, this)
         addTrackPublication(publication)
         publishListener?.onPublishSuccess(publication)
+        internalListener?.onTrackPublished(publication, this)
     }
 
     suspend fun publishVideoTrack(
@@ -180,6 +183,7 @@ internal constructor(
         val publication = LocalTrackPublication(trackInfo, track, this)
         addTrackPublication(publication)
         publishListener?.onPublishSuccess(publication)
+        internalListener?.onTrackPublished(publication, this)
     }
 
     private fun computeVideoEncodings(
@@ -282,7 +286,8 @@ internal constructor(
         when (publication.kind) {
             Track.Kind.AUDIO -> audioTracks.remove(sid)
             Track.Kind.VIDEO -> videoTracks.remove(sid)
-            else -> {}
+            else -> {
+            }
         }
         val senders = engine.publisher.peerConnection.senders ?: return
         for (sender in senders) {
@@ -292,6 +297,7 @@ internal constructor(
             }
         }
         track.stop()
+        internalListener?.onTrackUnpublished(publication, this)
     }
 
     /**

@@ -123,6 +123,17 @@ interface ParticipantListener {
     fun onTrackUnmuted(publication: TrackPublication, participant: Participant) {}
 
 
+    // local participants
+    /**
+     * When a new track is published by the local participant.
+     */
+    fun onTrackPublished(publication: LocalTrackPublication, participant: LocalParticipant) {}
+
+    /**
+     * A [LocalParticipant] has unpublished a track
+     */
+    fun onTrackUnpublished(publication: LocalTrackPublication, participant: LocalParticipant) {}
+
     // remote participants
     /**
      * When a new track is published to room after the local participant has joined.