| /* |
| * Copyright 2019 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.media; |
| |
| import static com.android.internal.util.function.pooled.PooledLambda.obtainMessage; |
| |
| import android.app.Service; |
| import android.content.Intent; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| /** |
| * @hide |
| */ |
| public abstract class MediaRoute2ProviderService extends Service { |
| private static final String TAG = "MediaRouteProviderSrv"; |
| |
| public static final String SERVICE_INTERFACE = "android.media.MediaRoute2ProviderService"; |
| |
| private final Handler mHandler; |
| private ProviderStub mStub; |
| private IMediaRoute2Callback mCallback; |
| |
| public MediaRoute2ProviderService() { |
| mHandler = new Handler(Looper.getMainLooper()); |
| } |
| |
| @Override |
| public IBinder onBind(Intent intent) { |
| if (SERVICE_INTERFACE.equals(intent.getAction())) { |
| if (mStub == null) { |
| mStub = new ProviderStub(); |
| } |
| return mStub; |
| } |
| return null; |
| } |
| |
| /** |
| * Called when selectRoute is called on a route of the provider. |
| * |
| * @param uid The target application uid |
| * @param routeId The id of the target route |
| */ |
| public abstract void onSelect(int uid, String routeId); |
| |
| /** |
| * Updates provider info from selected route and appliation. |
| * |
| * TODO: When provider descriptor is defined, this should update the descriptor correctly. |
| * |
| * @param uid |
| * @param routeId |
| */ |
| public void updateProvider(int uid, String routeId) { |
| if (mCallback != null) { |
| try { |
| //TODO: After publishState() is fully implemented, delete this. |
| mCallback.onRouteSelected(uid, routeId); |
| } catch (RemoteException ex) { |
| Log.d(TAG, "Failed to update provider"); |
| } |
| } |
| publishState(); |
| } |
| |
| void setCallback(IMediaRoute2Callback callback) { |
| mCallback = callback; |
| publishState(); |
| } |
| |
| void publishState() { |
| //TODO: Send provider descriptor to the MediaRouterService |
| } |
| |
| final class ProviderStub extends IMediaRoute2Provider.Stub { |
| ProviderStub() { } |
| |
| @Override |
| public void setCallback(IMediaRoute2Callback callback) { |
| mHandler.sendMessage(obtainMessage(MediaRoute2ProviderService::setCallback, |
| MediaRoute2ProviderService.this, callback)); |
| } |
| |
| @Override |
| public void selectRoute(int uid, String id) { |
| mHandler.sendMessage(obtainMessage(MediaRoute2ProviderService::onSelect, |
| MediaRoute2ProviderService.this, uid, id)); |
| } |
| } |
| } |