91 lines
2.7 KiB
Java
91 lines
2.7 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.incallui.answerproximitysensor;
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import android.content.Context;
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import android.hardware.display.DisplayManager;
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import android.hardware.display.DisplayManager.DisplayListener;
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import android.os.PowerManager;
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import android.support.annotation.Nullable;
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import android.view.Display;
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import com.android.dialer.common.LogUtil;
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/** The normal PROXIMITY_SCREEN_OFF_WAKE_LOCK provided by the OS. */
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public class SystemProximityWakeLock implements AnswerProximityWakeLock, DisplayListener {
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private static final String TAG = "SystemProximityWakeLock";
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private final Context context;
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private final PowerManager.WakeLock wakeLock;
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@Nullable private ScreenOnListener listener;
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public SystemProximityWakeLock(Context context) {
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this.context = context;
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wakeLock =
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context
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.getSystemService(PowerManager.class)
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.newWakeLock(PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK, TAG);
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}
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@Override
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public void acquire() {
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wakeLock.acquire();
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context.getSystemService(DisplayManager.class).registerDisplayListener(this, null);
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}
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@Override
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public void release() {
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wakeLock.release();
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context.getSystemService(DisplayManager.class).unregisterDisplayListener(this);
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}
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@Override
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public boolean isHeld() {
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return wakeLock.isHeld();
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}
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@Override
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public void setScreenOnListener(ScreenOnListener listener) {
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this.listener = listener;
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}
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@Override
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public void onDisplayAdded(int displayId) {}
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@Override
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public void onDisplayRemoved(int displayId) {}
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@Override
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public void onDisplayChanged(int displayId) {
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if (displayId == Display.DEFAULT_DISPLAY) {
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if (isDefaultDisplayOn(context)) {
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LogUtil.i("SystemProximityWakeLock.onDisplayChanged", "display turned on");
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if (listener != null) {
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listener.onScreenOn();
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}
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}
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}
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}
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private static boolean isDefaultDisplayOn(Context context) {
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Display display =
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context.getSystemService(DisplayManager.class).getDisplay(Display.DEFAULT_DISPLAY);
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return display.getState() != Display.STATE_OFF;
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}
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}
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