1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.car.app; 18 19 import android.os.IBinder; 20 import android.os.RemoteException; 21 22 /** 23 * This class wraps the client's {@link CarSystemUIProxy} implementation & facilitates the 24 * communication with {@link ICarSystemUIProxy}. 25 */ 26 final class CarSystemUIProxyAidlWrapper extends ICarSystemUIProxy.Stub { 27 private final CarSystemUIProxy mCarSystemUIProxy; 28 CarSystemUIProxyAidlWrapper(CarSystemUIProxy carSystemUIProxy)29 CarSystemUIProxyAidlWrapper(CarSystemUIProxy carSystemUIProxy) { 30 mCarSystemUIProxy = carSystemUIProxy; 31 } 32 33 @Override createControlledCarTaskView(ICarTaskViewClient client)34 public ICarTaskViewHost createControlledCarTaskView(ICarTaskViewClient client) { 35 return createCarTaskView(client); 36 } 37 38 @Override createCarTaskView(ICarTaskViewClient client)39 public ICarTaskViewHost createCarTaskView(ICarTaskViewClient client) { 40 CarTaskViewHost carTaskViewHost = 41 mCarSystemUIProxy.createCarTaskView(new CarTaskViewClient(client)); 42 43 IBinder.DeathRecipient clientDeathRecipient = new IBinder.DeathRecipient() { 44 @Override 45 public void binderDied() { 46 carTaskViewHost.release(); 47 client.asBinder().unlinkToDeath(this, /* flags= */ 0); 48 } 49 }; 50 51 try { 52 client.asBinder().linkToDeath(clientDeathRecipient, /* flags= */ 0); 53 } catch (RemoteException ex) { 54 throw new IllegalStateException( 55 "Linking to binder death failed for " 56 + "ICarTaskViewClient, the System UI might already died"); 57 } 58 59 return new CarTaskViewHostAidlToImplAdapter(carTaskViewHost); 60 } 61 } 62