1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_PROXIMITY_SENSOR_H
18#define ANDROID_PROXIMITY_SENSOR_H
19
20#include <stdint.h>
21#include <errno.h>
22#include <sys/cdefs.h>
23#include <sys/types.h>
24
25#include "sensors.h"
26#include "SensorBase.h"
27#include "InputEventReader.h"
28
29/*****************************************************************************/
30
31struct input_event;
32
33class ProximitySensor : public SensorBase {
34    int mEnabled;
35    InputEventCircularReader mInputReader;
36    sensors_event_t mPendingEvent;
37    bool mHasPendingEvent;
38    char input_sysfs_path[PATH_MAX];
39    int input_sysfs_path_len;
40
41    int setInitialState();
42    float indexToValue(size_t index) const;
43
44public:
45            ProximitySensor();
46    virtual ~ProximitySensor();
47    virtual int readEvents(sensors_event_t* data, int count);
48    virtual bool hasPendingEvents() const;
49    virtual int enable(int32_t handle, int enabled);
50};
51
52/*****************************************************************************/
53
54#endif  // ANDROID_PROXIMITY_SENSOR_H
55