| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package android.telecom; |
| |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.RemoteException; |
| import android.telecom.InCallService.VideoCall; |
| import android.view.Surface; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.os.SomeArgs; |
| import com.android.internal.telecom.IVideoCallback; |
| import com.android.internal.telecom.IVideoProvider; |
| |
| /** |
| * Implementation of a Video Call, which allows InCallUi to communicate commands to the underlying |
| * {@link Connection.VideoProvider}, and direct callbacks from the |
| * {@link Connection.VideoProvider} to the appropriate {@link VideoCall.Listener}. |
| * |
| * {@hide} |
| */ |
| public class VideoCallImpl extends VideoCall { |
| |
| private final IVideoProvider mVideoProvider; |
| private final VideoCallListenerBinder mBinder; |
| private VideoCall.Callback mCallback; |
| private int mVideoQuality = VideoProfile.QUALITY_UNKNOWN; |
| private int mVideoState = VideoProfile.STATE_AUDIO_ONLY; |
| private final String mCallingPackageName; |
| |
| private int mTargetSdkVersion; |
| |
| private IBinder.DeathRecipient mDeathRecipient = new IBinder.DeathRecipient() { |
| @Override |
| public void binderDied() { |
| mVideoProvider.asBinder().unlinkToDeath(this, 0); |
| } |
| }; |
| |
| /** |
| * IVideoCallback stub implementation. |
| */ |
| private final class VideoCallListenerBinder extends IVideoCallback.Stub { |
| @Override |
| public void receiveSessionModifyRequest(VideoProfile videoProfile) { |
| if (mHandler == null) { |
| return; |
| } |
| mHandler.obtainMessage(MessageHandler.MSG_RECEIVE_SESSION_MODIFY_REQUEST, |
| videoProfile).sendToTarget(); |
| |
| } |
| |
| @Override |
| public void receiveSessionModifyResponse(int status, VideoProfile requestProfile, |
| VideoProfile responseProfile) { |
| if (mHandler == null) { |
| return; |
| } |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = status; |
| args.arg2 = requestProfile; |
| args.arg3 = responseProfile; |
| mHandler.obtainMessage(MessageHandler.MSG_RECEIVE_SESSION_MODIFY_RESPONSE, args) |
| .sendToTarget(); |
| } |
| |
| @Override |
| public void handleCallSessionEvent(int event) { |
| if (mHandler == null) { |
| return; |
| } |
| mHandler.obtainMessage(MessageHandler.MSG_HANDLE_CALL_SESSION_EVENT, event) |
| .sendToTarget(); |
| } |
| |
| @Override |
| public void changePeerDimensions(int width, int height) { |
| if (mHandler == null) { |
| return; |
| } |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = width; |
| args.arg2 = height; |
| mHandler.obtainMessage(MessageHandler.MSG_CHANGE_PEER_DIMENSIONS, args).sendToTarget(); |
| } |
| |
| @Override |
| public void changeVideoQuality(int videoQuality) { |
| if (mHandler == null) { |
| return; |
| } |
| mHandler.obtainMessage(MessageHandler.MSG_CHANGE_VIDEO_QUALITY, videoQuality, 0) |
| .sendToTarget(); |
| } |
| |
| @Override |
| public void changeCallDataUsage(long dataUsage) { |
| if (mHandler == null) { |
| return; |
| } |
| mHandler.obtainMessage(MessageHandler.MSG_CHANGE_CALL_DATA_USAGE, dataUsage) |
| .sendToTarget(); |
| } |
| |
| @Override |
| public void changeCameraCapabilities(VideoProfile.CameraCapabilities cameraCapabilities) { |
| if (mHandler == null) { |
| return; |
| } |
| mHandler.obtainMessage(MessageHandler.MSG_CHANGE_CAMERA_CAPABILITIES, |
| cameraCapabilities).sendToTarget(); |
| } |
| } |
| |
| /** Default handler used to consolidate binder method calls onto a single thread. */ |
| private final class MessageHandler extends Handler { |
| private static final int MSG_RECEIVE_SESSION_MODIFY_REQUEST = 1; |
| private static final int MSG_RECEIVE_SESSION_MODIFY_RESPONSE = 2; |
| private static final int MSG_HANDLE_CALL_SESSION_EVENT = 3; |
| private static final int MSG_CHANGE_PEER_DIMENSIONS = 4; |
| private static final int MSG_CHANGE_CALL_DATA_USAGE = 5; |
| private static final int MSG_CHANGE_CAMERA_CAPABILITIES = 6; |
| private static final int MSG_CHANGE_VIDEO_QUALITY = 7; |
| |
| public MessageHandler(Looper looper) { |
| super(looper); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| if (mCallback == null) { |
| return; |
| } |
| |
| SomeArgs args; |
| switch (msg.what) { |
| case MSG_RECEIVE_SESSION_MODIFY_REQUEST: |
| mCallback.onSessionModifyRequestReceived((VideoProfile) msg.obj); |
| break; |
| case MSG_RECEIVE_SESSION_MODIFY_RESPONSE: |
| args = (SomeArgs) msg.obj; |
| try { |
| int status = (int) args.arg1; |
| VideoProfile requestProfile = (VideoProfile) args.arg2; |
| VideoProfile responseProfile = (VideoProfile) args.arg3; |
| |
| mCallback.onSessionModifyResponseReceived( |
| status, requestProfile, responseProfile); |
| } finally { |
| args.recycle(); |
| } |
| break; |
| case MSG_HANDLE_CALL_SESSION_EVENT: |
| mCallback.onCallSessionEvent((int) msg.obj); |
| break; |
| case MSG_CHANGE_PEER_DIMENSIONS: |
| args = (SomeArgs) msg.obj; |
| try { |
| int width = (int) args.arg1; |
| int height = (int) args.arg2; |
| mCallback.onPeerDimensionsChanged(width, height); |
| } finally { |
| args.recycle(); |
| } |
| break; |
| case MSG_CHANGE_CALL_DATA_USAGE: |
| mCallback.onCallDataUsageChanged((long) msg.obj); |
| break; |
| case MSG_CHANGE_CAMERA_CAPABILITIES: |
| mCallback.onCameraCapabilitiesChanged( |
| (VideoProfile.CameraCapabilities) msg.obj); |
| break; |
| case MSG_CHANGE_VIDEO_QUALITY: |
| mVideoQuality = msg.arg1; |
| mCallback.onVideoQualityChanged(msg.arg1); |
| break; |
| default: |
| break; |
| } |
| } |
| }; |
| |
| private Handler mHandler; |
| |
| VideoCallImpl(IVideoProvider videoProvider, String callingPackageName, int targetSdkVersion) |
| throws RemoteException { |
| mVideoProvider = videoProvider; |
| mVideoProvider.asBinder().linkToDeath(mDeathRecipient, 0); |
| |
| mBinder = new VideoCallListenerBinder(); |
| mVideoProvider.addVideoCallback(mBinder); |
| mCallingPackageName = callingPackageName; |
| setTargetSdkVersion(targetSdkVersion); |
| } |
| |
| @VisibleForTesting |
| public void setTargetSdkVersion(int sdkVersion) { |
| mTargetSdkVersion = sdkVersion; |
| } |
| |
| public void destroy() { |
| unregisterCallback(mCallback); |
| } |
| |
| /** {@inheritDoc} */ |
| public void registerCallback(VideoCall.Callback callback) { |
| registerCallback(callback, null); |
| } |
| |
| /** {@inheritDoc} */ |
| public void registerCallback(VideoCall.Callback callback, Handler handler) { |
| mCallback = callback; |
| if (handler == null) { |
| mHandler = new MessageHandler(Looper.getMainLooper()); |
| } else { |
| mHandler = new MessageHandler(handler.getLooper()); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void unregisterCallback(VideoCall.Callback callback) { |
| if (callback != mCallback) { |
| return; |
| } |
| |
| mCallback = null; |
| try { |
| mVideoProvider.removeVideoCallback(mBinder); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void setCamera(String cameraId) { |
| try { |
| Log.w(this, "setCamera: cameraId=%s, calling=%s", cameraId, mCallingPackageName); |
| mVideoProvider.setCamera(cameraId, mCallingPackageName, mTargetSdkVersion); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void setPreviewSurface(Surface surface) { |
| try { |
| mVideoProvider.setPreviewSurface(surface); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void setDisplaySurface(Surface surface) { |
| try { |
| mVideoProvider.setDisplaySurface(surface); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void setDeviceOrientation(int rotation) { |
| try { |
| mVideoProvider.setDeviceOrientation(rotation); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void setZoom(float value) { |
| try { |
| mVideoProvider.setZoom(value); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Sends a session modification request to the video provider. |
| * <p> |
| * The {@link InCallService} will create the {@code requestProfile} based on the current |
| * video state (i.e. {@link Call.Details#getVideoState()}). It is, however, possible that the |
| * video state maintained by the {@link InCallService} could get out of sync with what is known |
| * by the {@link android.telecom.Connection.VideoProvider}. To remove ambiguity, the |
| * {@link VideoCallImpl} passes along the pre-modify video profile to the {@code VideoProvider} |
| * to ensure it has full context of the requested change. |
| * |
| * @param requestProfile The requested video profile. |
| */ |
| public void sendSessionModifyRequest(VideoProfile requestProfile) { |
| try { |
| VideoProfile originalProfile = new VideoProfile(mVideoState, mVideoQuality); |
| |
| mVideoProvider.sendSessionModifyRequest(originalProfile, requestProfile); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void sendSessionModifyResponse(VideoProfile responseProfile) { |
| try { |
| mVideoProvider.sendSessionModifyResponse(responseProfile); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void requestCameraCapabilities() { |
| try { |
| mVideoProvider.requestCameraCapabilities(); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void requestCallDataUsage() { |
| try { |
| mVideoProvider.requestCallDataUsage(); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void setPauseImage(Uri uri) { |
| try { |
| mVideoProvider.setPauseImage(uri); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Sets the video state for the current video call. |
| * @param videoState the new video state. |
| */ |
| public void setVideoState(int videoState) { |
| mVideoState = videoState; |
| } |
| } |