1 /* 2 * Copyright (C) 2015 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.support.car; 18 19 import android.content.Context; 20 import android.os.Looper; 21 22 /** 23 * CarServiceLoader is the abstraction for loading different types of car service. 24 * @hide 25 */ 26 public abstract class CarServiceLoader { 27 28 private final Context mContext; 29 private final ServiceConnectionListener mListener; 30 private final Looper mLooper; 31 CarServiceLoader(Context context, ServiceConnectionListener listener, Looper looper)32 public CarServiceLoader(Context context, ServiceConnectionListener listener, Looper looper) { 33 mContext = context; 34 mListener = listener; 35 mLooper = looper; 36 } 37 connect()38 public abstract void connect() throws IllegalStateException; disconnect()39 public abstract void disconnect(); isConnectedToCar()40 public abstract boolean isConnectedToCar(); 41 @Car.ConnectionType getCarConnectionType()42 public abstract int getCarConnectionType() throws CarNotConnectedException; registerCarConnectionListener(CarConnectionListener listener)43 public abstract void registerCarConnectionListener(CarConnectionListener listener) 44 throws CarNotConnectedException; unregisterCarConnectionListener(CarConnectionListener listener)45 public abstract void unregisterCarConnectionListener(CarConnectionListener listener); getCarManager(String serviceName)46 public abstract Object getCarManager(String serviceName) 47 throws CarNotSupportedException, CarNotConnectedException; 48 getContext()49 protected Context getContext() { 50 return mContext; 51 } 52 getConnectionListener()53 protected ServiceConnectionListener getConnectionListener() { 54 return mListener; 55 } 56 getLooper()57 protected Looper getLooper() { 58 return mLooper; 59 } 60 } 61