blob: d719efb5f11e94b0c45600ad938afc7fee4b0f51 (
plain)
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
|
/*
* Copyright (C) 2010 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.
*/
#define LOG_TAG "Sensors"
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <utils/RefBase.h>
#include <utils/Singleton.h>
#include <binder/IServiceManager.h>
#include <gui/ISensorServer.h>
#include <gui/ISensorEventConnection.h>
#include <gui/Sensor.h>
#include <gui/SensorManager.h>
#include <gui/SensorEventQueue.h>
// ----------------------------------------------------------------------------
namespace android {
// ----------------------------------------------------------------------------
ANDROID_SINGLETON_STATIC_INSTANCE(SensorManager)
SensorManager::SensorManager()
: mSensorList(0)
{
const String16 name("sensorservice");
while (getService(name, &mSensorServer) != NO_ERROR) {
usleep(250000);
}
mSensors = mSensorServer->getSensorList();
size_t count = mSensors.size();
mSensorList = (Sensor const**)malloc(count * sizeof(Sensor*));
for (size_t i=0 ; i<count ; i++) {
mSensorList[i] = mSensors.array() + i;
}
}
SensorManager::~SensorManager()
{
free(mSensorList);
}
ssize_t SensorManager::getSensorList(Sensor const* const** list) const
{
*list = mSensorList;
return mSensors.size();
}
Sensor const* SensorManager::getDefaultSensor(int type)
{
// For now we just return the first sensor of that type we find.
// in the future it will make sense to let the SensorService make
// that decision.
for (size_t i=0 ; i<mSensors.size() ; i++) {
if (mSensorList[i]->getType() == type)
return mSensorList[i];
}
return NULL;
}
sp<SensorEventQueue> SensorManager::createEventQueue()
{
sp<SensorEventQueue> result = new SensorEventQueue(
mSensorServer->createSensorEventConnection());
return result;
}
// ----------------------------------------------------------------------------
}; // namespace android
|
