1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* Copyright (C) Texas Instruments - http://www.ti.com/
*
* 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.
*/
/**
* @file SensorListener.h
*
* This defines API for camerahal to get sensor events
*
*/
#ifndef ANDROID_CAMERA_HARDWARE_SENSOR_LISTENER_H
#define ANDROID_CAMERA_HARDWARE_SENSOR_LISTENER_H
#include <android/sensor.h>
#include <gui/Sensor.h>
#include <gui/SensorManager.h>
#include <gui/SensorEventQueue.h>
#include <utils/Looper.h>
namespace android {
/**
* SensorListner class - Registers with sensor manager to get sensor events
*/
typedef void (*orientation_callback_t) (uint32_t orientation, uint32_t tilt, void* cookie);
class SensorLooperThread : public Thread {
public:
SensorLooperThread(Looper* looper)
: Thread(false) {
mLooper = sp<Looper>(looper);
}
~SensorLooperThread() {
mLooper.clear();
}
virtual bool threadLoop() {
int32_t ret = mLooper->pollOnce(-1);
return true;
}
// force looper wake up
void wake() {
mLooper->wake();
}
private:
sp<Looper> mLooper;
};
class SensorListener : public RefBase
{
/* public - types */
public:
typedef enum {
SENSOR_ACCELEROMETER = 1 << 0,
SENSOR_MAGNETIC_FIELD = 1 << 1,
SENSOR_GYROSCOPE = 1 << 2,
SENSOR_LIGHT = 1 << 3,
SENSOR_PROXIMITY = 1 << 4,
SENSOR_ORIENTATION = 1 << 5,
} sensor_type_t;
/* public - functions */
public:
SensorListener();
~SensorListener();
status_t initialize();
void setCallbacks(orientation_callback_t orientation_cb, void *cookie);
void enableSensor(sensor_type_t type);
void disableSensor(sensor_type_t type);
void handleOrientation(uint32_t orientation, uint32_t tilt);
/* public - member variables */
public:
sp<SensorEventQueue> mSensorEventQueue;
/* private - member variables */
private:
int sensorsEnabled;
orientation_callback_t mOrientationCb;
void *mCbCookie;
sp<Looper> mLooper;
sp<SensorLooperThread> mSensorLooperThread;
Mutex mLock;
};
}
#endif
|
