| /* |
| * Copyright (C) 2018 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.tests.rollback; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.support.test.InstrumentationRegistry; |
| import android.util.Log; |
| |
| import java.util.concurrent.BlockingQueue; |
| import java.util.concurrent.LinkedBlockingQueue; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * A broadcast receiver that can be used to get |
| * ACTION_ROLLBACK_COMMITTED broadcasts. |
| */ |
| class RollbackBroadcastReceiver extends BroadcastReceiver { |
| |
| private static final String TAG = "RollbackTest"; |
| |
| private final BlockingQueue<Intent> mRollbackBroadcasts = new LinkedBlockingQueue<>(); |
| |
| /** |
| * Creates a RollbackBroadcastReceiver and registers it with the given |
| * context. |
| */ |
| RollbackBroadcastReceiver() { |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_ROLLBACK_COMMITTED); |
| InstrumentationRegistry.getContext().registerReceiver(this, filter); |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| Log.i(TAG, "Received rollback broadcast intent"); |
| mRollbackBroadcasts.add(intent); |
| } |
| |
| /** |
| * Polls for at most the given amount of time for the next rollback |
| * broadcast. |
| */ |
| Intent poll(long timeout, TimeUnit unit) throws InterruptedException { |
| return mRollbackBroadcasts.poll(timeout, unit); |
| } |
| |
| /** |
| * Unregisters this broadcast receiver. |
| */ |
| void unregister() { |
| InstrumentationRegistry.getContext().unregisterReceiver(this); |
| } |
| } |