Support for multiple VideoCall.Listeners for a VideoCall.

The current code assumes that only a single instance of VideoCall will be
provided to the default system InCall UI.  Ideally multiple
InCallService implementations should be able to use the VideoCall APIs.
Note: it only really makes sense for a single InCallService to get/set
the video surfaces.

- Fixed bug in ParcelableCall which would cause a new instance of
VideoCallImpl to be created every time a call is updated from Telecom.
Added a flag to ParcelableCall to indicate whether the parcel includes a
change to the video provider information, which is used when unparceling
to determine whether to set/create the video call impl.
- Renamed "setVideoCallback" to "addVideocallback".
- Modified Connection.VideoProvider code to keep a list of Video callbacks
and fire off all of them when Video Provider changes occur.

Bug: 20092420
Change-Id: Ic16b6afe1b7532cc64d006c133adbae57946d97d

1 files changed, 3 insertions, 1 deletions

diff --git a/telecomm/java/com/android/internal/telecom/IVideoProvider.aidl b/telecomm/java/com/android/internal/telecom/IVideoProvider.aidl
index e96d9d3..bff3865 100644
--- a/telecomm/java/com/android/internal/telecom/IVideoProvider.aidl
+++ b/telecomm/java/com/android/internal/telecom/IVideoProvider.aidl
@@ -25,7 +25,9 @@ import android.telecom.VideoProfile;
  * @hide
  */
 oneway interface IVideoProvider {
-    void setVideoCallback(IBinder videoCallbackBinder);
+    void addVideoCallback(IBinder videoCallbackBinder);
+
+    void removeVideoCallback(IBinder videoCallbackBinder);
 
     void setCamera(String cameraId);