SensorInterface.h revision ac9a96da65f6eae4513654adaad8a457d1c1575c 
1/*
2 * Copyright (C) 2010 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_SENSOR_INTERFACE_H
18#define ANDROID_SENSOR_INTERFACE_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23#include <gui/Sensor.h>
24
25#include "SensorDevice.h"
26
27// ---------------------------------------------------------------------------
28
29namespace android {
30// ---------------------------------------------------------------------------
31
32class SensorInterface {
33public:
34    virtual ~SensorInterface();
35
36    virtual bool process(sensors_event_t* outEvent,
37            const sensors_event_t& event) = 0;
38
39    virtual status_t activate(void* ident, bool enabled) = 0;
40    virtual status_t setDelay(void* ident, int handle, int64_t ns) = 0;
41    virtual Sensor getSensor() const = 0;
42    virtual bool isVirtual() const = 0;
43    virtual void autoDisable(void *ident, int handle) { }
44};
45
46// ---------------------------------------------------------------------------
47
48class HardwareSensor : public SensorInterface
49{
50    SensorDevice& mSensorDevice;
51    Sensor mSensor;
52
53public:
54    HardwareSensor(const sensor_t& sensor);
55
56    virtual ~HardwareSensor();
57
58    virtual bool process(sensors_event_t* outEvent,
59            const sensors_event_t& event);
60
61    virtual status_t activate(void* ident, bool enabled);
62    virtual status_t setDelay(void* ident, int handle, int64_t ns);
63    virtual Sensor getSensor() const;
64    virtual bool isVirtual() const { return false; }
65    virtual void autoDisable(void *ident, int handle);
66};
67
68
69// ---------------------------------------------------------------------------
70}; // namespace android
71
72#endif // ANDROID_SENSOR_INTERFACE_H
73