1 files changed, 20 insertions, 11 deletions

diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index 4c1f75f..9bdbba8 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -19,7 +19,6 @@ package android.telecom;
 import com.android.internal.telecom.IVideoCallback;
 import com.android.internal.telecom.IVideoProvider;
 
-import android.annotation.SystemApi;
 import android.net.Uri;
 import android.os.Handler;
 import android.os.IBinder;
@@ -44,9 +43,7 @@ import java.util.concurrent.ConcurrentHashMap;
  * Implementations are then responsible for updating the state of the {@code Connection}, and
  * must call {@link #destroy()} to signal to the framework that the {@code Connection} is no
  * longer used and associated resources may be recovered.
- * @hide
  */
-@SystemApi
 public abstract class Connection {
 
     public static final int STATE_INITIALIZING = 0;
@@ -85,6 +82,9 @@ public abstract class Connection {
         public void onConferenceableConnectionsChanged(
                 Connection c, List<Connection> conferenceableConnections) {}
         public void onConferenceChanged(Connection c, Conference conference) {}
+        /** @hide */
+        public void onConferenceParticipantChanged(Connection c, ConferenceParticipant participant)
+        {}
     }
 
     /** @hide */
@@ -876,7 +876,7 @@ public abstract class Connection {
         return mUnmodifiableConferenceableConnections;
     }
 
-    /**
+    /*
      * @hide
      */
     public final void setConnectionService(ConnectionService connectionService) {
@@ -921,6 +921,7 @@ public abstract class Connection {
             mConference = conference;
             if (mConnectionService != null && mConnectionService.containsConference(conference)) {
                 fireConferenceChanged();
+                onConferenceChanged();
             }
             return true;
         }
@@ -936,6 +937,7 @@ public abstract class Connection {
             Log.d(this, "Conference reset");
             mConference = null;
             fireConferenceChanged();
+            onConferenceChanged();
         }
     }
 
@@ -1020,14 +1022,9 @@ public abstract class Connection {
     public void onPostDialContinue(boolean proceed) {}
 
     /**
-     * Merge this connection and the specified connection into a conference call.  Once the
-     * connections are merged, the calls should be added to the an existing or new
-     * {@code Conference} instance. For new {@code Conference} instances, use
-     * {@code ConnectionService#addConference}.
-     *
-     * @param otherConnection The connection with which this connection should be conferenced.
+     * Notifies this Connection that the conference which is set on it has changed.
      */
-    public void onConferenceWith(Connection otherConnection) {}
+    public void onConferenceChanged() {}
 
     static String toLogSafePhoneNumber(String number) {
         // For unknown number, log empty string.
@@ -1123,4 +1120,16 @@ public abstract class Connection {
         }
         mConferenceableConnections.clear();
     }
+
+    /**
+     * Notifies listeners of a change to a conference participant.
+     *
+     * @param conferenceParticipant The participant.
+     * @hide
+     */
+    protected final void updateConferenceParticipant(ConferenceParticipant conferenceParticipant) {
+        for (Listener l : mListeners) {
+            l.onConferenceParticipantChanged(this, conferenceParticipant);
+        }
+    }
 }