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/*
* Copyright (C) 2015 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 android.app.test;
import static org.mockito.Mockito.any;
import static org.mockito.Mockito.anyInt;
import static org.mockito.Mockito.anyLong;
import static org.mockito.Mockito.anyString;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import android.app.AlarmManager;
import android.app.test.MockAnswerUtil.AnswerWithArguments;
import android.os.Handler;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
/**
* Creates an AlarmManager whose alarm dispatch can be controlled
* Currently only supports alarm listeners
*
* Alarm listeners will be dispatched to the handler provided or will
* be dispatched immediately if they would have been sent to the main
* looper (handler was null).
*/
public class TestAlarmManager {
private final AlarmManager mAlarmManager;
private final List<PendingAlarm> mPendingAlarms;
public TestAlarmManager() throws Exception {
mPendingAlarms = new ArrayList<>();
mAlarmManager = mock(AlarmManager.class);
doAnswer(new SetListenerAnswer()).when(mAlarmManager).set(anyInt(), anyLong(), anyString(),
any(AlarmManager.OnAlarmListener.class), any(Handler.class));
doAnswer(new SetListenerAnswer()).when(mAlarmManager).setExact(anyInt(), anyLong(),
anyString(), any(AlarmManager.OnAlarmListener.class), any(Handler.class));
doAnswer(new CancelListenerAnswer())
.when(mAlarmManager).cancel(any(AlarmManager.OnAlarmListener.class));
}
public AlarmManager getAlarmManager() {
return mAlarmManager;
}
/**
* Dispatch a pending alarm with the given tag
* @return if any alarm was dispatched
*/
public boolean dispatch(String tag) {
for (int i = 0; i < mPendingAlarms.size(); ++i) {
PendingAlarm alarm = mPendingAlarms.get(i);
if (Objects.equals(tag, alarm.getTag())) {
mPendingAlarms.remove(i);
alarm.dispatch();
return true;
}
}
return false;
}
/**
* @return if an alarm with the given tag is pending
*/
public boolean isPending(String tag) {
for (int i = 0; i < mPendingAlarms.size(); ++i) {
PendingAlarm alarm = mPendingAlarms.get(i);
if (Objects.equals(tag, alarm.getTag())) {
return true;
}
}
return false;
}
/**
* @return trigger time of an pending alarm with the given tag
* -1 if no pending alarm with the given tag
*/
public long getTriggerTimeMillis(String tag) {
for (int i = 0; i < mPendingAlarms.size(); ++i) {
PendingAlarm alarm = mPendingAlarms.get(i);
if (Objects.equals(tag, alarm.getTag())) {
return alarm.getTriggerTimeMillis();
}
}
return -1;
}
private static class PendingAlarm {
private final int mType;
private final long mTriggerAtMillis;
private final String mTag;
private final Runnable mCallback;
public PendingAlarm(int type, long triggerAtMillis, String tag, Runnable callback) {
mType = type;
mTriggerAtMillis = triggerAtMillis;
mTag = tag;
mCallback = callback;
}
public void dispatch() {
if (mCallback != null) {
mCallback.run();
}
}
public Runnable getCallback() {
return mCallback;
}
public String getTag() {
return mTag;
}
public long getTriggerTimeMillis() {
return mTriggerAtMillis;
}
}
private class SetListenerAnswer extends AnswerWithArguments {
public void answer(int type, long triggerAtMillis, String tag,
AlarmManager.OnAlarmListener listener, Handler handler) {
mPendingAlarms.add(new PendingAlarm(type, triggerAtMillis, tag,
new AlarmListenerRunnable(listener, handler)));
}
}
private class CancelListenerAnswer extends AnswerWithArguments {
public void answer(AlarmManager.OnAlarmListener listener) {
Iterator<PendingAlarm> alarmItr = mPendingAlarms.iterator();
while (alarmItr.hasNext()) {
PendingAlarm alarm = alarmItr.next();
if (alarm.getCallback() instanceof AlarmListenerRunnable) {
AlarmListenerRunnable alarmCallback =
(AlarmListenerRunnable) alarm.getCallback();
if (alarmCallback.getListener() == listener) {
alarmItr.remove();
}
}
}
}
}
private static class AlarmListenerRunnable implements Runnable {
private final AlarmManager.OnAlarmListener mListener;
private final Handler mHandler;
public AlarmListenerRunnable(AlarmManager.OnAlarmListener listener, Handler handler) {
mListener = listener;
mHandler = handler;
}
public AlarmManager.OnAlarmListener getListener() {
return mListener;
}
@Override
public void run() {
if (mHandler != null) {
mHandler.post(new Runnable() {
@Override
public void run() {
mListener.onAlarm();
}
});
} else { // normally gets dispatched in main looper
mListener.onAlarm();
}
}
}
}
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