| /* |
| * Copyright (C) 2017 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.car; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| |
| import java.util.concurrent.CopyOnWriteArrayList; |
| import java.util.function.BiConsumer; |
| |
| /** |
| * This class allows one to register actions they want executed when the vehicle is being shutdown |
| * or rebooted. |
| * |
| * To use this class instantiate it as part of your long-lived service, and then add actions to it. |
| * Actions receive the Context and Intent that go with the shutdown/reboot action, which allows the |
| * action to differentiate the two cases, should it need to do so. |
| * |
| * The actions will run on the UI thread. |
| */ |
| class OnShutdownReboot { |
| private final Object mLock = new Object(); |
| |
| private final Context mContext; |
| |
| private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| for (BiConsumer<Context, Intent> action : mActions) { |
| action.accept(context, intent); |
| } |
| } |
| }; |
| |
| private final CopyOnWriteArrayList<BiConsumer<Context, Intent>> mActions = |
| new CopyOnWriteArrayList<>(); |
| |
| OnShutdownReboot(Context context) { |
| mContext = context; |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_SHUTDOWN); |
| filter.addAction(Intent.ACTION_REBOOT); |
| mContext.registerReceiver(mReceiver, filter); |
| } |
| |
| OnShutdownReboot addAction(BiConsumer<Context, Intent> action) { |
| mActions.add(action); |
| return this; |
| } |
| |
| void clearActions() { |
| mActions.clear(); |
| } |
| } |