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
17package android.support.car;
18
19import android.content.Context;
20import android.os.Looper;
21
22/**
23 * CarServiceLoader is the abstraction for loading different types of car service.
24 * @hide
25 */
26public abstract class CarServiceLoader {
27
28    private final Context mContext;
29    private final ServiceConnectionListener mListener;
30    private final Looper mLooper;
31
32    public CarServiceLoader(Context context, ServiceConnectionListener listener, Looper looper) {
33        mContext = context;
34        mListener = listener;
35        mLooper = looper;
36    }
37
38    public abstract void connect() throws IllegalStateException;
39    public abstract void disconnect();
40    public abstract boolean isConnectedToCar();
41    @Car.ConnectionType
42    public abstract int getCarConnectionType() throws CarNotConnectedException;
43    public abstract void registerCarConnectionListener(CarConnectionListener listener)
44            throws CarNotConnectedException;
45    public abstract void unregisterCarConnectionListener(CarConnectionListener listener);
46    public abstract Object getCarManager(String serviceName)
47            throws CarNotSupportedException, CarNotConnectedException;
48
49    protected Context getContext() {
50        return mContext;
51    }
52
53    protected ServiceConnectionListener getConnectionListener() {
54        return mListener;
55    }
56
57    protected Looper getLooper() {
58        return mLooper;
59    }
60}
61