| /* |
| * Copyright (C) 2011 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.internal.util.test; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.ContextWrapper; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.UserHandle; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.FutureTask; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| /** |
| * {@link ContextWrapper} that can attach listeners for upcoming |
| * {@link Context#sendBroadcast(Intent)}. |
| */ |
| public class BroadcastInterceptingContext extends ContextWrapper { |
| private static final String TAG = "WatchingContext"; |
| |
| private final List<BroadcastInterceptor> mInterceptors = new ArrayList<>(); |
| |
| public abstract class FutureIntent extends FutureTask<Intent> { |
| public FutureIntent() { |
| super( |
| () -> { throw new IllegalStateException("Cannot happen"); } |
| ); |
| } |
| |
| public void assertNotReceived() |
| throws InterruptedException, ExecutionException { |
| assertNotReceived(5, TimeUnit.SECONDS); |
| } |
| |
| public abstract void assertNotReceived(long timeout, TimeUnit unit) |
| throws InterruptedException, ExecutionException; |
| } |
| |
| public class BroadcastInterceptor extends FutureIntent { |
| private final BroadcastReceiver mReceiver; |
| private final IntentFilter mFilter; |
| |
| public BroadcastInterceptor(BroadcastReceiver receiver, IntentFilter filter) { |
| mReceiver = receiver; |
| mFilter = filter; |
| } |
| |
| public boolean dispatchBroadcast(Intent intent) { |
| if (mFilter.match(getContentResolver(), intent, false, TAG) > 0) { |
| if (mReceiver != null) { |
| final Context context = BroadcastInterceptingContext.this; |
| mReceiver.onReceive(context, intent); |
| return false; |
| } else { |
| set(intent); |
| return true; |
| } |
| } else { |
| return false; |
| } |
| } |
| |
| @Override |
| public Intent get() throws InterruptedException, ExecutionException { |
| try { |
| return get(5, TimeUnit.SECONDS); |
| } catch (TimeoutException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void assertNotReceived() |
| throws InterruptedException, ExecutionException { |
| assertNotReceived(5, TimeUnit.SECONDS); |
| } |
| |
| public void assertNotReceived(long timeout, TimeUnit unit) |
| throws InterruptedException, ExecutionException { |
| try { |
| final Intent intent = get(timeout, unit); |
| throw new AssertionError("Received intent: " + intent); |
| } catch (TimeoutException e) { |
| } |
| } |
| } |
| |
| public BroadcastInterceptingContext(Context base) { |
| super(base); |
| } |
| |
| public FutureIntent nextBroadcastIntent(String action) { |
| return nextBroadcastIntent(new IntentFilter(action)); |
| } |
| |
| public FutureIntent nextBroadcastIntent(IntentFilter filter) { |
| final BroadcastInterceptor interceptor = new BroadcastInterceptor(null, filter); |
| synchronized (mInterceptors) { |
| mInterceptors.add(interceptor); |
| } |
| return interceptor; |
| } |
| |
| @Override |
| public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) { |
| synchronized (mInterceptors) { |
| mInterceptors.add(new BroadcastInterceptor(receiver, filter)); |
| } |
| return null; |
| } |
| |
| @Override |
| public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter, |
| String broadcastPermission, Handler scheduler) { |
| return registerReceiver(receiver, filter); |
| } |
| |
| @Override |
| public void unregisterReceiver(BroadcastReceiver receiver) { |
| synchronized (mInterceptors) { |
| final Iterator<BroadcastInterceptor> i = mInterceptors.iterator(); |
| while (i.hasNext()) { |
| final BroadcastInterceptor interceptor = i.next(); |
| if (receiver.equals(interceptor.mReceiver)) { |
| i.remove(); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void sendBroadcast(Intent intent) { |
| synchronized (mInterceptors) { |
| final Iterator<BroadcastInterceptor> i = mInterceptors.iterator(); |
| while (i.hasNext()) { |
| final BroadcastInterceptor interceptor = i.next(); |
| if (interceptor.dispatchBroadcast(intent)) { |
| i.remove(); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void sendBroadcast(Intent intent, String receiverPermission) { |
| sendBroadcast(intent); |
| } |
| |
| @Override |
| public void sendBroadcastMultiplePermissions(Intent intent, String[] receiverPermissions) { |
| sendBroadcast(intent); |
| } |
| |
| @Override |
| public void sendBroadcastAsUser(Intent intent, UserHandle user) { |
| sendBroadcast(intent); |
| } |
| |
| @Override |
| public void sendBroadcastAsUser(Intent intent, UserHandle user, |
| String receiverPermission) { |
| sendBroadcast(intent); |
| } |
| |
| @Override |
| public void sendStickyBroadcast(Intent intent) { |
| sendBroadcast(intent); |
| } |
| |
| @Override |
| public void sendStickyBroadcastAsUser(Intent intent, UserHandle user) { |
| sendBroadcast(intent); |
| } |
| |
| @Override |
| public void sendStickyBroadcastAsUser(Intent intent, UserHandle user, Bundle options) { |
| sendBroadcast(intent); |
| } |
| |
| @Override |
| public void removeStickyBroadcast(Intent intent) { |
| // ignored |
| } |
| } |