| /* |
| * Copyright (C) 2017 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.wallpaper.module; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.PowerManager; |
| import android.os.PowerManager.WakeLock; |
| import android.util.Log; |
| |
| import com.android.wallpaper.model.WallpaperMetadata; |
| import com.android.wallpaper.module.WallpaperPreferences.PresentationMode; |
| import com.android.wallpaper.module.WallpaperRefresher.RefreshListener; |
| import com.android.wallpaper.util.DiskBasedLogger; |
| |
| import java.util.Calendar; |
| |
| import androidx.annotation.Nullable; |
| |
| /** |
| * Performs daily logging operations when alarm is received. |
| */ |
| public class DailyLoggingAlarmReceiver extends BroadcastReceiver { |
| |
| private static final String TAG = "DailyLoggingAlarm"; |
| |
| /** |
| * Releases the provided WakeLock if and only if it's currently held as to avoid throwing a |
| * "WakeLock under-locked" RuntimeException. |
| */ |
| private static void releaseWakeLock(WakeLock wakeLock) { |
| if (wakeLock.isHeld()) { |
| wakeLock.release(); |
| } |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| Context appContext = context.getApplicationContext(); |
| Injector injector = InjectorProvider.getInjector(); |
| UserEventLogger logger = injector.getUserEventLogger(appContext); |
| WallpaperPreferences preferences = injector.getPreferences(appContext); |
| |
| logger.logNumDailyWallpaperRotationsInLastWeek(); |
| logger.logNumDailyWallpaperRotationsPreviousDay(); |
| logger.logWallpaperPresentationMode(); |
| logger.logSnapshot(); |
| |
| preferences.setLastDailyLogTimestamp(System.currentTimeMillis()); |
| |
| logDailyWallpaperRotationStatus(appContext); |
| |
| // Clear disk-based logs older than 7 days if they exist. |
| DiskBasedLogger.clearOldLogs(appContext); |
| } |
| |
| /** |
| * If daily wallpapers are currently in effect and were enabled more than 24 hours ago, then log |
| * the last-known rotation status as reported by the periodic background rotation components |
| * (BackdropAlarmReceiver and BackdropRotationTask), or if there wasn't any status update in the |
| * last 24 hours then log a "not attempted" status to the UserEventLogger. |
| */ |
| private void logDailyWallpaperRotationStatus(Context appContext) { |
| // Acquire a partial wakelock because logging the daily rotation requires doing some work on |
| // another thread (via AsyncTask) after #onReceive returns, after which the kernel may power |
| // down and prevent our daily rotation log from being sent. |
| PowerManager powerManager = (PowerManager) appContext.getSystemService(Context.POWER_SERVICE); |
| final WakeLock wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); |
| wakeLock.acquire(10000 /* timeout */); |
| |
| final Injector injector = InjectorProvider.getInjector(); |
| |
| // First check if rotation is still in effect. |
| injector.getWallpaperRefresher(appContext).refresh(new RefreshListener() { |
| @Override |
| public void onRefreshed(WallpaperMetadata homeWallpaperMetadata, |
| @Nullable WallpaperMetadata lockWallpaperMetadata, |
| @PresentationMode int presentationMode) { |
| // Don't log or do anything else if presentation mode is not rotating. |
| if (presentationMode != WallpaperPreferences.PRESENTATION_MODE_ROTATING) { |
| releaseWakeLock(wakeLock); |
| return; |
| } |
| |
| WallpaperPreferences preferences = injector.getPreferences(appContext); |
| |
| long dailyWallpaperEnabledTimestamp = preferences.getDailyWallpaperEnabledTimestamp(); |
| // Validate the daily wallpaper enabled timestamp. |
| if (dailyWallpaperEnabledTimestamp < 0) { |
| Log.e(TAG, "There's no valid daily wallpaper enabled timestamp"); |
| releaseWakeLock(wakeLock); |
| return; |
| } |
| |
| Calendar midnightYesterday = Calendar.getInstance(); |
| midnightYesterday.add(Calendar.DAY_OF_MONTH, -1); |
| midnightYesterday.set(Calendar.HOUR_OF_DAY, 0); |
| midnightYesterday.set(Calendar.MINUTE, 0); |
| |
| // Exclude rotations that were put into affect later than midnight yesterday because the |
| // background task may not have had a chance to execute yet. |
| if (dailyWallpaperEnabledTimestamp > midnightYesterday.getTimeInMillis()) { |
| releaseWakeLock(wakeLock); |
| return; |
| } |
| |
| try { |
| long lastRotationStatusTimestamp = |
| preferences.getDailyWallpaperLastRotationStatusTimestamp(); |
| |
| UserEventLogger logger = injector.getUserEventLogger(appContext); |
| |
| // If a rotation status was reported more recently than midnight yesterday, then log it. |
| // Otherwise, log a "not attempted" rotation status. |
| if (lastRotationStatusTimestamp > midnightYesterday.getTimeInMillis()) { |
| int lastDailyWallpaperRotationStatus = |
| preferences.getDailyWallpaperLastRotationStatus(); |
| |
| logger.logDailyWallpaperRotationStatus(lastDailyWallpaperRotationStatus); |
| |
| // If the daily rotation status is "failed", increment the num days failed in |
| // SharedPreferences and log it, otherwise reset the counter in SharedPreferences to 0. |
| if (UserEventLogger.ROTATION_STATUS_FAILED == lastDailyWallpaperRotationStatus) { |
| preferences.incrementNumDaysDailyRotationFailed(); |
| logger.logNumDaysDailyRotationFailed(preferences.getNumDaysDailyRotationFailed()); |
| } else { |
| preferences.resetNumDaysDailyRotationFailed(); |
| } |
| |
| // If there was a valid rotation status reported since midnight yesterday, then reset |
| // the counter for consecutive days of "not attempted". |
| preferences.resetNumDaysDailyRotationNotAttempted(); |
| } else { |
| logger.logDailyWallpaperRotationStatus(UserEventLogger.ROTATION_STATUS_NOT_ATTEMPTED); |
| |
| // Increment and log the consecutive # days in a row that daily rotation was not |
| // attempted. |
| preferences.incrementNumDaysDailyRotationNotAttempted(); |
| logger.logNumDaysDailyRotationNotAttempted( |
| preferences.getNumDaysDailyRotationNotAttempted()); |
| |
| // Reset the disk-based counter for number of consecutive days daily rotation failed |
| // because if rotation was not attempted but restarts tomorrow after a boot and fails |
| // then, we want to report that as 1 day of failure instead of 3 consecutive days. |
| preferences.resetNumDaysDailyRotationFailed(); |
| } |
| } finally { |
| releaseWakeLock(wakeLock); |
| } |
| } |
| }); |
| } |
| } |