| /* |
| * 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; |
| |
| import android.app.AlarmManager; |
| import android.app.Service; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Binder; |
| 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.TvApplication; |
| import com.android.tv.common.feature.CommonFeatures; |
| import com.android.tv.util.Clock; |
| import com.android.tv.util.RecurringRunner; |
| import com.android.tv.common.SoftPreconditions; |
| |
| /** |
| * 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"; |
| |
| 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 WritableDvrDataManager mDataManager; |
| |
| /** |
| * Class for clients to access. Because we know this service always |
| * runs in the same process as its clients, we don't need to deal with |
| * IPC. |
| */ |
| public class SchedulerBinder extends Binder { |
| Scheduler getScheduler() { |
| return mScheduler; |
| } |
| } |
| |
| private final IBinder mBinder = new SchedulerBinder(); |
| |
| private Scheduler mScheduler; |
| private HandlerThread mHandlerThread; |
| |
| @Override |
| public void onCreate() { |
| if (DEBUG) Log.d(TAG, "onCreate"); |
| super.onCreate(); |
| SoftPreconditions.checkFeatureEnabled(this, CommonFeatures.DVR, TAG); |
| ApplicationSingletons singletons = TvApplication.getSingletons(this); |
| mDataManager = (WritableDvrDataManager) singletons.getDvrDataManager(); |
| |
| 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.getDvrSessionManger(), mDataManager, |
| singletons.getChannelDataManager(), this, mClock, alarmManager); |
| } |
| mDataManager.addScheduledRecordingListener(mScheduler); |
| mReaperRunner = new RecurringRunner(this, java.util.concurrent.TimeUnit.DAYS.toMillis(1), |
| new ScheduledProgramReaper(mDataManager, 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(); |
| mDataManager.removeScheduledRecordingListener(mScheduler); |
| mScheduler = null; |
| if (mHandlerThread != null) { |
| mHandlerThread.quit(); |
| mHandlerThread = null; |
| } |
| super.onDestroy(); |
| } |
| |
| @Nullable |
| @Override |
| public IBinder onBind(Intent intent) { |
| return mBinder; |
| } |
| |
| @VisibleForTesting |
| void setScheduler(Scheduler scheduler) { |
| Log.i(TAG, "Setting scheduler for tests to " + scheduler); |
| mScheduler = scheduler; |
| } |
| } |