| /* |
| * Copyright (C) 2018 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.server.timedetector; |
| |
| import android.annotation.NonNull; |
| import android.app.AlarmManager; |
| import android.content.Context; |
| import android.os.PowerManager; |
| import android.os.SystemClock; |
| import android.util.Slog; |
| import android.util.TimestampedValue; |
| |
| /** |
| * The real implementation of {@link TimeDetectorStrategy.Callback} used on device. |
| */ |
| public class TimeDetectorStrategyCallbackImpl implements TimeDetectorStrategy.Callback { |
| |
| private final static String TAG = "timedetector.TimeDetectorStrategyCallbackImpl"; |
| |
| @NonNull private PowerManager.WakeLock mWakeLock; |
| @NonNull private AlarmManager mAlarmManager; |
| |
| public TimeDetectorStrategyCallbackImpl(Context context) { |
| PowerManager powerManager = context.getSystemService(PowerManager.class); |
| |
| mWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); |
| |
| mAlarmManager = context.getSystemService(AlarmManager.class); |
| } |
| |
| @Override |
| public void setTime(TimestampedValue<Long> time) { |
| mWakeLock.acquire(); |
| try { |
| long elapsedRealtimeMillis = SystemClock.elapsedRealtime(); |
| long currentTimeMillis = TimeDetectorStrategy.getTimeAt(time, elapsedRealtimeMillis); |
| Slog.d(TAG, "Setting system clock using time=" + time |
| + ", elapsedRealtimeMillis=" + elapsedRealtimeMillis); |
| mAlarmManager.setTime(currentTimeMillis); |
| } finally { |
| mWakeLock.release(); |
| } |
| } |
| } |