| /* |
| * 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.systemui.keyguard; |
| |
| import android.os.Trace; |
| |
| import com.android.systemui.Dumpable; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| /** |
| * Tracks the wakefulness lifecycle. |
| */ |
| @Singleton |
| public class WakefulnessLifecycle extends Lifecycle<WakefulnessLifecycle.Observer> implements |
| Dumpable { |
| |
| public static final int WAKEFULNESS_ASLEEP = 0; |
| public static final int WAKEFULNESS_WAKING = 1; |
| public static final int WAKEFULNESS_AWAKE = 2; |
| public static final int WAKEFULNESS_GOING_TO_SLEEP = 3; |
| |
| private int mWakefulness = WAKEFULNESS_ASLEEP; |
| |
| @Inject |
| public WakefulnessLifecycle() { |
| } |
| |
| public int getWakefulness() { |
| return mWakefulness; |
| } |
| |
| public void dispatchStartedWakingUp() { |
| if (getWakefulness() == WAKEFULNESS_WAKING) { |
| return; |
| } |
| setWakefulness(WAKEFULNESS_WAKING); |
| dispatch(Observer::onStartedWakingUp); |
| } |
| |
| public void dispatchFinishedWakingUp() { |
| if (getWakefulness() == WAKEFULNESS_AWAKE) { |
| return; |
| } |
| setWakefulness(WAKEFULNESS_AWAKE); |
| dispatch(Observer::onFinishedWakingUp); |
| } |
| |
| public void dispatchStartedGoingToSleep() { |
| if (getWakefulness() == WAKEFULNESS_GOING_TO_SLEEP) { |
| return; |
| } |
| setWakefulness(WAKEFULNESS_GOING_TO_SLEEP); |
| dispatch(Observer::onStartedGoingToSleep); |
| } |
| |
| public void dispatchFinishedGoingToSleep() { |
| if (getWakefulness() == WAKEFULNESS_ASLEEP) { |
| return; |
| } |
| setWakefulness(WAKEFULNESS_ASLEEP); |
| dispatch(Observer::onFinishedGoingToSleep); |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println("WakefulnessLifecycle:"); |
| pw.println(" mWakefulness=" + mWakefulness); |
| } |
| |
| private void setWakefulness(int wakefulness) { |
| mWakefulness = wakefulness; |
| Trace.traceCounter(Trace.TRACE_TAG_APP, "wakefulness", wakefulness); |
| } |
| |
| public interface Observer { |
| default void onStartedWakingUp() {} |
| default void onFinishedWakingUp() {} |
| default void onStartedGoingToSleep() {} |
| default void onFinishedGoingToSleep() {} |
| } |
| } |