diff options
Diffstat (limited to 'src/com/android/tv/dvr/recorder/DvrRecordingService.java')
| -rw-r--r-- | src/com/android/tv/dvr/recorder/DvrRecordingService.java | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/src/com/android/tv/dvr/recorder/DvrRecordingService.java b/src/com/android/tv/dvr/recorder/DvrRecordingService.java new file mode 100644 index 00000000..5d324ca5 --- /dev/null +++ b/src/com/android/tv/dvr/recorder/DvrRecordingService.java @@ -0,0 +1,207 @@ +/* + * 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.Notification; +import android.app.NotificationChannel; +import android.app.NotificationManager; +import android.app.Service; +import android.content.Context; +import android.content.Intent; +import android.os.Build; +import android.os.IBinder; +import android.support.annotation.MainThread; +import android.support.annotation.Nullable; +import android.support.annotation.RequiresApi; +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 recording service. This service should be a foreground service and send a notification + * to users to do long-running recording task. + * + * <p>This service is waken up when there's a scheduled recording coming soon and at boot completed + * since schedules have to be loaded from databases in order to set new recording alarms, which + * might take a long time. + */ +@RequiresApi(Build.VERSION_CODES.N) +public class DvrRecordingService extends Service { + private static final String TAG = "DvrRecordingService"; + private static final boolean DEBUG = false; + + private static final String DVR_NOTIFICATION_CHANNEL_ID = "dvr_notification_channel"; + private static final int ONGOING_NOTIFICATION_ID = 1; + @VisibleForTesting static final String EXTRA_START_FOR_RECORDING = "start_for_recording"; + + private static DvrRecordingService sInstance; + private NotificationChannel mNotificationChannel; + private String mContentTitle; + private String mContentTextRecording; + private String mContentTextLoading; + + /** + * Starts the service in foreground. + * + * @param startForRecording {@code true} if there are upcoming recordings in + * {@link RecordingScheduler#SOON_DURATION_IN_MS} and the service is + * started in foreground for those recordings. + */ + @MainThread + static void startForegroundService(Context context, boolean startForRecording) { + if (sInstance == null) { + Intent intent = new Intent(context, DvrRecordingService.class); + intent.putExtra(EXTRA_START_FOR_RECORDING, startForRecording); + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { + context.startForegroundService(intent); + } else { + context.startService(intent); + } + } else { + sInstance.startForeground(startForRecording); + } + } + + @MainThread + static void stopForegroundIfNotRecording() { + if (sInstance != null) { + sInstance.stopForegroundIfNotRecordingInternal(); + } + } + + private RecurringRunner mReaperRunner; + private InputSessionManager mSessionManager; + + @VisibleForTesting boolean mIsRecording; + private boolean mForeground; + + @VisibleForTesting final OnRecordingSessionChangeListener mOnRecordingSessionChangeListener = + new OnRecordingSessionChangeListener() { + @Override + public void onRecordingSessionChange(final boolean create, final int count) { + mIsRecording = count > 0; + if (create) { + startForeground(true); + } else { + stopForegroundIfNotRecordingInternal(); + } + } + }; + + @Override + public void onCreate() { + TvApplication.setCurrentRunningProcess(this, true); + if (DEBUG) Log.d(TAG, "onCreate"); + super.onCreate(); + SoftPreconditions.checkFeatureEnabled(this, CommonFeatures.DVR, TAG); + sInstance = this; + ApplicationSingletons singletons = TvApplication.getSingletons(this); + WritableDvrDataManager dataManager = + (WritableDvrDataManager) singletons.getDvrDataManager(); + mSessionManager = singletons.getInputSessionManager(); + mSessionManager.addOnRecordingSessionChangeListener(mOnRecordingSessionChangeListener); + mReaperRunner = new RecurringRunner(this, java.util.concurrent.TimeUnit.DAYS.toMillis(1), + new ScheduledProgramReaper(dataManager, Clock.SYSTEM), null); + mReaperRunner.start(); + mContentTitle = getString(R.string.dvr_notification_content_title); + mContentTextRecording = getString(R.string.dvr_notification_content_text_recording); + mContentTextLoading = getString(R.string.dvr_notification_content_text_loading); + createNotificationChannel(); + } + + @Override + public int onStartCommand(Intent intent, int flags, int startId) { + if (DEBUG) Log.d(TAG, "onStartCommand (" + intent + "," + flags + "," + startId + ")"); + if (intent != null) { + startForeground(intent.getBooleanExtra(EXTRA_START_FOR_RECORDING, false)); + } + return START_STICKY; + } + + @Override + public void onDestroy() { + if (DEBUG) Log.d(TAG, "onDestroy"); + mReaperRunner.stop(); + mSessionManager.removeRecordingSessionChangeListener(mOnRecordingSessionChangeListener); + sInstance = null; + super.onDestroy(); + } + + @Nullable + @Override + public IBinder onBind(Intent intent) { + return null; + } + + @VisibleForTesting + protected void stopForegroundIfNotRecordingInternal() { + if (mForeground && !mIsRecording) { + stopForeground(); + } + } + + private void startForeground(boolean hasUpcomingRecording) { + if (!mForeground || hasUpcomingRecording) { + // We may need to update notification for upcoming recordings. + mForeground = true; + startForegroundInternal(hasUpcomingRecording); + } + } + + private void stopForeground() { + stopForegroundInternal(); + mForeground = false; + } + + @VisibleForTesting + protected void startForegroundInternal(boolean hasUpcomingRecording) { + // STOPSHIP: Replace the content title with real UX strings + Notification.Builder builder = new Notification.Builder(this) + .setContentTitle(mContentTitle) + .setContentText(hasUpcomingRecording ? mContentTextRecording : mContentTextLoading) + .setSmallIcon(R.drawable.ic_dvr); + Notification notification = Build.VERSION.SDK_INT >= Build.VERSION_CODES.O ? + builder.setChannelId(DVR_NOTIFICATION_CHANNEL_ID).build() : builder.build(); + startForeground(ONGOING_NOTIFICATION_ID, notification); + } + + @VisibleForTesting + protected void stopForegroundInternal() { + stopForeground(true); + } + + private void createNotificationChannel() { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { + // STOPSHIP: Replace the channel name with real UX strings + mNotificationChannel = new NotificationChannel(DVR_NOTIFICATION_CHANNEL_ID, + getString(R.string.dvr_notification_channel_name), + NotificationManager.IMPORTANCE_LOW); + ((NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE)) + .createNotificationChannel(mNotificationChannel); + } + } +} |