| /* |
| * Copyright (C) 2015 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.support.car; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.ServiceConnection; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.support.car.content.pm.CarPackageManagerEmbedded; |
| import android.support.car.hardware.CarSensorManagerEmbedded; |
| import android.support.car.media.CarAudioManagerEmbedded; |
| import android.support.car.navigation.CarNavigationManagerEmbedded; |
| |
| import java.util.LinkedList; |
| |
| /** |
| * Default CarServiceLoader for system with built-in car service (=embedded). |
| * @hide |
| */ |
| public class CarServiceLoaderEmbedded extends CarServiceLoader { |
| |
| private final ServiceConnection mServiceConnection = new ServiceConnection() { |
| |
| @Override |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| getConnectionListener().onServiceConnected(name); |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName name) { |
| getConnectionListener().onServiceDisconnected(name); |
| } |
| }; |
| |
| private final android.car.Car mCar; |
| private final LinkedList<CarConnectionListener> mCarConnectionListeners = |
| new LinkedList<>(); |
| private final CallbackHandler mHandler; |
| |
| public CarServiceLoaderEmbedded(Context context, ServiceConnectionListener listener, |
| Looper looper) { |
| super(context, listener, looper); |
| mCar = android.car.Car.createCar(context, mServiceConnection, looper); |
| mHandler = new CallbackHandler(looper); |
| } |
| |
| @Override |
| public void connect() throws IllegalStateException { |
| mCar.connect(); |
| } |
| |
| @Override |
| public void disconnect() { |
| mCar.disconnect(); |
| } |
| |
| @Override |
| public boolean isConnectedToCar() { |
| // for embedded, connected to service means connected to car. |
| return mCar.isConnected(); |
| } |
| |
| @Override |
| public int getCarConnectionType() throws CarNotConnectedException { |
| return mCar.getCarConnectionType(); |
| } |
| |
| @Override |
| public void registerCarConnectionListener(final CarConnectionListener listener) |
| throws CarNotConnectedException { |
| synchronized (this) { |
| mCarConnectionListeners.add(listener); |
| } |
| // car service connection is checked when this is called. So just dispatch it. |
| mHandler.dispatchCarConnectionCall(listener, getCarConnectionType()); |
| } |
| |
| @Override |
| public void unregisterCarConnectionListener(CarConnectionListener listener) { |
| synchronized (this) { |
| mCarConnectionListeners.remove(listener); |
| } |
| } |
| |
| @Override |
| public Object getCarManager(String serviceName) { |
| Object manager = mCar.getCarManager(serviceName); |
| if (manager == null) { |
| return null; |
| } |
| // For publicly available versions, return wrapper version. |
| switch (serviceName) { |
| case Car.AUDIO_SERVICE: |
| return new CarAudioManagerEmbedded(manager); |
| case Car.SENSOR_SERVICE: |
| return new CarSensorManagerEmbedded(manager, getContext()); |
| case Car.INFO_SERVICE: |
| return new CarInfoManagerEmbedded(manager); |
| case Car.APP_CONTEXT_SERVICE: |
| return new CarAppContextManagerEmbedded(manager); |
| case Car.PACKAGE_SERVICE: |
| return new CarPackageManagerEmbedded(manager); |
| case Car.CAR_NAVIGATION_SERVICE: |
| return new CarNavigationManagerEmbedded(manager); |
| default: |
| return manager; |
| } |
| } |
| |
| private static class CallbackHandler extends Handler { |
| |
| private static final int MSG_DISPATCH_CAR_CONNECTION = 0; |
| |
| private CallbackHandler(Looper looper) { |
| super(looper); |
| } |
| |
| private void dispatchCarConnectionCall(CarConnectionListener listener, int connectionType) { |
| sendMessage(obtainMessage(MSG_DISPATCH_CAR_CONNECTION, connectionType, 0, listener)); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MSG_DISPATCH_CAR_CONNECTION: |
| CarConnectionListener listener = (CarConnectionListener) msg.obj; |
| listener.onConnected(msg.arg1); |
| break; |
| } |
| } |
| } |
| } |