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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 com.android.tv.dvr.recorder;
import android.app.AlarmManager;
import android.app.Notification;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.HandlerThread;
import android.os.IBinder;
import android.support.annotation.Nullable;
import android.support.annotation.VisibleForTesting;
import android.util.Log;
import com.android.tv.ApplicationSingletons;
import com.android.tv.InputSessionManager;
import com.android.tv.InputSessionManager.OnRecordingSessionChangeListener;
import com.android.tv.R;
import com.android.tv.TvApplication;
import com.android.tv.common.SoftPreconditions;
import com.android.tv.common.feature.CommonFeatures;
import com.android.tv.dvr.WritableDvrDataManager;
import com.android.tv.util.Clock;
import com.android.tv.util.RecurringRunner;
/**
* DVR Scheduler service.
*
* <p> This service is responsible for:
* <ul>
* <li>Send record commands to TV inputs</li>
* <li>Wake up at proper timing for recording</li>
* <li>Deconflict schedule, handling overlapping times etc.</li>
* <li>
*
* </ul>
*
* <p>The service does not stop it self.
*/
public class DvrRecordingService extends Service {
private static final String TAG = "DvrRecordingService";
private static final boolean DEBUG = false;
public static final String HANDLER_THREAD_NAME = "DvrRecordingService-handler";
private static final int ONGOING_NOTIFICATION_ID = 1;
public static void startService(Context context) {
Intent dvrSchedulerIntent = new Intent(context, DvrRecordingService.class);
context.startService(dvrSchedulerIntent);
}
private final Clock mClock = Clock.SYSTEM;
private RecurringRunner mReaperRunner;
private Scheduler mScheduler;
private HandlerThread mHandlerThread;
private InputSessionManager mSessionManager;
private boolean mForeground;
private final OnRecordingSessionChangeListener mOnRecordingSessionChangeListener =
new OnRecordingSessionChangeListener() {
@Override
public void onRecordingSessionChange(final boolean create, final int count) {
if (create && !mForeground) {
Notification notification =
new Notification.Builder(getApplicationContext())
.setContentTitle(TAG)
.setSmallIcon(R.drawable.ic_dvr)
.build();
startForeground(ONGOING_NOTIFICATION_ID, notification);
mForeground = true;
} else if (!create && mForeground && count == 0) {
stopForeground(STOP_FOREGROUND_REMOVE);
mForeground = false;
}
}
};
@Override
public void onCreate() {
TvApplication.setCurrentRunningProcess(this, true);
if (DEBUG) Log.d(TAG, "onCreate");
super.onCreate();
SoftPreconditions.checkFeatureEnabled(this, CommonFeatures.DVR, TAG);
ApplicationSingletons singletons = TvApplication.getSingletons(this);
WritableDvrDataManager dataManager =
(WritableDvrDataManager) singletons.getDvrDataManager();
mSessionManager = singletons.getInputSessionManager();
mSessionManager.addOnRecordingSessionChangeListener(mOnRecordingSessionChangeListener);
AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
// mScheduler may have been set for testing.
if (mScheduler == null) {
mHandlerThread = new HandlerThread(HANDLER_THREAD_NAME);
mHandlerThread.start();
mScheduler = new Scheduler(mHandlerThread.getLooper(), singletons.getDvrManager(),
singletons.getInputSessionManager(), dataManager,
singletons.getChannelDataManager(), singletons.getTvInputManagerHelper(), this,
mClock, alarmManager);
mScheduler.start();
}
mReaperRunner = new RecurringRunner(this, java.util.concurrent.TimeUnit.DAYS.toMillis(1),
new ScheduledProgramReaper(dataManager, mClock), null);
mReaperRunner.start();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (DEBUG) Log.d(TAG, "onStartCommand (" + intent + "," + flags + "," + startId + ")");
mScheduler.update();
return START_STICKY;
}
@Override
public void onDestroy() {
if (DEBUG) Log.d(TAG, "onDestroy");
mReaperRunner.stop();
mScheduler.stop();
mScheduler = null;
if (mHandlerThread != null) {
mHandlerThread.quitSafely();
mHandlerThread = null;
}
mSessionManager.removeRecordingSessionChangeListener(mOnRecordingSessionChangeListener);
super.onDestroy();
}
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@VisibleForTesting
void setScheduler(Scheduler scheduler) {
Log.i(TAG, "Setting scheduler for tests to " + scheduler);
mScheduler = scheduler;
}
}
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