86 lines
2.7 KiB
Java
86 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.Sensor;
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import android.hardware.SensorEvent;
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import android.hardware.SensorEventListener;
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import android.hardware.SensorManager;
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import android.support.annotation.Nullable;
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import com.android.dialer.common.LogUtil;
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/**
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* A fake PROXIMITY_SCREEN_OFF_WAKE_LOCK implemented by the app. It will use {@link
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* PseudoScreenState} to fake a black screen when the proximity sensor is near.
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*/
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public class PseudoProximityWakeLock implements AnswerProximityWakeLock, SensorEventListener {
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private final Context context;
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private final PseudoScreenState pseudoScreenState;
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private final Sensor proximitySensor;
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@Nullable private ScreenOnListener listener;
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private boolean isHeld;
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public PseudoProximityWakeLock(Context context, PseudoScreenState pseudoScreenState) {
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this.context = context;
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this.pseudoScreenState = pseudoScreenState;
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pseudoScreenState.setOn(true);
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proximitySensor =
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context.getSystemService(SensorManager.class).getDefaultSensor(Sensor.TYPE_PROXIMITY);
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}
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@Override
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public void acquire() {
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isHeld = true;
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context
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.getSystemService(SensorManager.class)
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.registerListener(this, proximitySensor, SensorManager.SENSOR_DELAY_NORMAL);
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}
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@Override
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public void release() {
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isHeld = false;
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context.getSystemService(SensorManager.class).unregisterListener(this);
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pseudoScreenState.setOn(true);
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}
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@Override
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public boolean isHeld() {
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return 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 onSensorChanged(SensorEvent sensorEvent) {
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boolean near = sensorEvent.values[0] < sensorEvent.sensor.getMaximumRange();
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LogUtil.i("AnswerProximitySensor.PseudoProximityWakeLock.onSensorChanged", "near: " + near);
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pseudoScreenState.setOn(!near);
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if (!near && listener != null) {
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listener.onScreenOn();
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}
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}
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@Override
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public void onAccuracyChanged(Sensor sensor, int i) {}
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}
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