| /* |
| * Copyright (C) 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 com.android.systemui.car; |
| |
| import android.car.Car; |
| import android.car.Car.CarServiceLifecycleListener; |
| import android.content.Context; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Connects to the car service a single time for shared use across all of system ui. |
| */ |
| public class CarServiceProvider { |
| |
| private final Context mContext; |
| private final List<CarServiceLifecycleListener> mListeners = new ArrayList<>(); |
| private Car mCar; |
| |
| public CarServiceProvider(Context context) { |
| mContext = context; |
| mCar = Car.createCar(mContext, /* handler= */ null, Car.CAR_WAIT_TIMEOUT_DO_NOT_WAIT, |
| (car, ready) -> { |
| mCar = car; |
| |
| synchronized (mListeners) { |
| for (CarServiceLifecycleListener listener : mListeners) { |
| listener.onLifecycleChanged(mCar, ready); |
| } |
| } |
| }); |
| } |
| |
| /** |
| * Let's other components hook into the connection to the car service. If we're already |
| * connected |
| * to the car service, the callback is immediately triggered. |
| */ |
| public void addListener(CarServiceLifecycleListener listener) { |
| if (mCar.isConnected()) { |
| listener.onLifecycleChanged(mCar, /* ready= */ true); |
| } |
| mListeners.add(listener); |
| } |
| } |