| /* |
| * Copyright (C) 2016 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.incallui.answerproximitysensor; |
| |
| import android.content.Context; |
| import android.hardware.Sensor; |
| import android.hardware.SensorEvent; |
| import android.hardware.SensorEventListener; |
| import android.hardware.SensorManager; |
| import android.support.annotation.Nullable; |
| import com.android.dialer.common.LogUtil; |
| |
| /** |
| * A fake PROXIMITY_SCREEN_OFF_WAKE_LOCK implemented by the app. It will use {@link |
| * PseudoScreenState} to fake a black screen when the proximity sensor is near. |
| */ |
| public class PseudoProximityWakeLock implements AnswerProximityWakeLock, SensorEventListener { |
| |
| private final Context context; |
| private final PseudoScreenState pseudoScreenState; |
| private final Sensor proximitySensor; |
| |
| @Nullable private ScreenOnListener listener; |
| private boolean isHeld; |
| |
| public PseudoProximityWakeLock(Context context, PseudoScreenState pseudoScreenState) { |
| this.context = context; |
| this.pseudoScreenState = pseudoScreenState; |
| pseudoScreenState.setOn(true); |
| proximitySensor = |
| context.getSystemService(SensorManager.class).getDefaultSensor(Sensor.TYPE_PROXIMITY); |
| } |
| |
| @Override |
| public void acquire() { |
| isHeld = true; |
| context |
| .getSystemService(SensorManager.class) |
| .registerListener(this, proximitySensor, SensorManager.SENSOR_DELAY_NORMAL); |
| } |
| |
| @Override |
| public void release() { |
| isHeld = false; |
| context.getSystemService(SensorManager.class).unregisterListener(this); |
| pseudoScreenState.setOn(true); |
| } |
| |
| @Override |
| public boolean isHeld() { |
| return isHeld; |
| } |
| |
| @Override |
| public void setScreenOnListener(ScreenOnListener listener) { |
| this.listener = listener; |
| } |
| |
| @Override |
| public void onSensorChanged(SensorEvent sensorEvent) { |
| boolean near = sensorEvent.values[0] < sensorEvent.sensor.getMaximumRange(); |
| LogUtil.i("AnswerProximitySensor.PseudoProximityWakeLock.onSensorChanged", "near: " + near); |
| pseudoScreenState.setOn(!near); |
| if (!near && listener != null) { |
| listener.onScreenOn(); |
| } |
| } |
| |
| @Override |
| public void onAccuracyChanged(Sensor sensor, int i) {} |
| } |