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/*
* 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.systemui.plugins;
import android.hardware.SensorListener;
import com.android.systemui.plugins.annotations.ProvidesInterface;
/**
* Allows for additional sensors to be retrieved from
* {@link com.android.systemui.util.sensors.AsyncSensorManager}.
*/
@ProvidesInterface(action = SensorManagerPlugin.ACTION, version = SensorManagerPlugin.VERSION)
public interface SensorManagerPlugin extends Plugin {
String ACTION = "com.android.systemui.action.PLUGIN_SENSOR_MANAGER";
int VERSION = 1;
/**
* Registers for sensor events. Events will be sent until the listener is unregistered.
* @param sensor
* @param listener
* @see android.hardware.SensorManager#registerListener(SensorListener, int)
*/
void registerListener(Sensor sensor, SensorEventListener listener);
/**
* Unregisters events from the sensor.
* @param sensor
* @param listener
*/
void unregisterListener(Sensor sensor, SensorEventListener listener);
/**
* Listener triggered whenever the Sensor has new data.
*/
interface SensorEventListener {
void onSensorChanged(SensorEvent event);
}
/**
* Sensor that can be defined in a plugin.
*/
class Sensor {
public static final int TYPE_WAKE_LOCK_SCREEN = 1;
public static final int TYPE_WAKE_DISPLAY = 2;
public static final int TYPE_SWIPE = 3;
public static final int TYPE_SKIP_STATUS = 4;
private int mType;
public Sensor(int type) {
mType = type;
}
public int getType() {
return mType;
}
public String toString() {
return "{PluginSensor type=\"" + mType + "\"}";
}
}
/**
* Event sent by a {@link Sensor}.
*/
class SensorEvent {
Sensor mSensor;
int mVendorType;
float[] mValues;
/**
* Creates a sensor event.
* @param sensor The type of sensor, e.g. TYPE_WAKE_LOCK_SCREEN
* @param vendorType The vendor type, which should be unique for each type of sensor,
* e.g. SINGLE_TAP = 1, DOUBLE_TAP = 2, etc.
*/
public SensorEvent(Sensor sensor, int vendorType) {
this(sensor, vendorType, null);
}
/**
* Creates a sensor event.
* @param sensor The type of sensor, e.g. TYPE_WAKE_LOCK_SCREEN
* @param vendorType The vendor type, which should be unique for each type of sensor,
* e.g. SINGLE_TAP = 1, DOUBLE_TAP = 2, etc.
* @param values Values captured by the sensor.
*/
public SensorEvent(Sensor sensor, int vendorType, float[] values) {
mSensor = sensor;
mVendorType = vendorType;
mValues = values;
}
public Sensor getSensor() {
return mSensor;
}
public float[] getValues() {
return mValues;
}
public int getVendorType() {
return mVendorType;
}
}
}
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