blob: 17785256dad51544d9c6ef708f53f9e217bc13d0 (
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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "winrtambientlightsensor.h"
#include "winrtcommon.h"
#include <QtSensors/QAmbientLightSensor>
#include <functional>
#include <wrl.h>
#include <windows.devices.sensors.h>
using namespace Microsoft::WRL;
using namespace Microsoft::WRL::Wrappers;
using namespace ABI::Windows::Foundation;
using namespace ABI::Windows::Devices::Sensors;
typedef ITypedEventHandler<LightSensor *, LightSensorReadingChangedEventArgs *> LightSensorReadingHandler;
QT_USE_NAMESPACE
class WinRtAmbientLightSensorPrivate
{
public:
WinRtAmbientLightSensorPrivate(WinRtAmbientLightSensor *p)
: minimumReportInterval(0), q(p)
{
token.value = 0;
}
QAmbientLightReading reading;
ComPtr<ILightSensor> sensor;
EventRegistrationToken token;
quint32 minimumReportInterval;
HRESULT readingChanged(ILightSensor *, ILightSensorReadingChangedEventArgs *args)
{
ComPtr<ILightSensorReading> value;
HRESULT hr = args->get_Reading(&value);
if (FAILED(hr)) {
qCWarning(lcWinRtSensors) << "Failed to get light sensor reading" << qt_error_string(hr);
return hr;
}
FLOAT lux;
hr = value->get_IlluminanceInLux(&lux);
if (FAILED(hr)) {
qCWarning(lcWinRtSensors) << "Failed to get illuminance value" << qt_error_string(hr);
return hr;
}
DateTime dateTime;
hr = value->get_Timestamp(&dateTime);
if (FAILED(hr)) {
qCWarning(lcWinRtSensors) << "Failed to get light sensor reading timestamp" << qt_error_string(hr);
return hr;
}
// Using same values as BB light sensor
if (lux < 10)
reading.setLightLevel(QAmbientLightReading::Dark);
else if (lux < 80)
reading.setLightLevel(QAmbientLightReading::Twilight);
else if (lux < 400)
reading.setLightLevel(QAmbientLightReading::Light);
else if (lux < 2500)
reading.setLightLevel(QAmbientLightReading::Bright);
else
reading.setLightLevel(QAmbientLightReading::Sunny);
reading.setTimestamp(dateTimeToMsSinceEpoch(dateTime));
q->newReadingAvailable();
return S_OK;
}
private:
WinRtAmbientLightSensor *q;
};
WinRtAmbientLightSensor::WinRtAmbientLightSensor(QSensor *sensor)
: QSensorBackend(sensor), d_ptr(new WinRtAmbientLightSensorPrivate(this))
{
Q_D(WinRtAmbientLightSensor);
HStringReference classId(RuntimeClass_Windows_Devices_Sensors_LightSensor);
ComPtr<ILightSensorStatics> factory;
HRESULT hr = RoGetActivationFactory(classId.Get(), IID_PPV_ARGS(&factory));
if (FAILED(hr)) {
qCWarning(lcWinRtSensors) << "Unable to initialize light sensor factory."
<< qt_error_string(hr);
sensorError(hr);
return;
}
hr = factory->GetDefault(&d->sensor);
if (FAILED(hr)) {
qCWarning(lcWinRtSensors) << "Unable to get default light sensor."
<< qt_error_string(hr);
sensorError(hr);
return;
}
if (!d->sensor) {
qCWarning(lcWinRtSensors) << "Default lightsensor was not found on the system.";
return;
}
hr = d->sensor->get_MinimumReportInterval(&d->minimumReportInterval);
if (FAILED(hr)) {
qCWarning(lcWinRtSensors) << "Unable to get the minimum report interval."
<< qt_error_string(hr);
sensorError(hr);
return;
}
addDataRate(1, 1000 / d->minimumReportInterval); // dataRate in Hz
sensor->setDataRate(1);
setReading<QAmbientLightReading>(&d->reading);
}
WinRtAmbientLightSensor::~WinRtAmbientLightSensor()
{
}
void WinRtAmbientLightSensor::start()
{
Q_D(WinRtAmbientLightSensor);
if (!d->sensor)
return;
if (d->token.value)
return;
ComPtr<LightSensorReadingHandler> callback =
Callback<LightSensorReadingHandler>(d, &WinRtAmbientLightSensorPrivate::readingChanged);
HRESULT hr = d->sensor->add_ReadingChanged(callback.Get(), &d->token);
if (FAILED(hr)) {
qCWarning(lcWinRtSensors) << "Unable to attach to reading changed event."
<< qt_error_string(hr);
sensorError(hr);
return;
}
int dataRate = sensor()->dataRate();
if (!dataRate)
return;
quint32 reportInterval = qMax(d->minimumReportInterval, quint32(1000/dataRate));
hr = d->sensor->put_ReportInterval(reportInterval);
if (FAILED(hr)) {
qCWarning(lcWinRtSensors) << "Unable to attach to set report interval."
<< qt_error_string(hr);
sensorError(hr);
}
}
void WinRtAmbientLightSensor::stop()
{
Q_D(WinRtAmbientLightSensor);
if (!d->sensor)
return;
if (!d->token.value)
return;
HRESULT hr = d->sensor->remove_ReadingChanged(d->token);
if (FAILED(hr)) {
qCWarning(lcWinRtSensors) << "Unable to detach from reading changed event."
<< qt_error_string(hr);
sensorError(hr);
return;
}
hr = d->sensor->put_ReportInterval(0);
if (FAILED(hr)) {
qCWarning(lcWinRtSensors) << "Unable to reset report interval."
<< qt_error_string(hr);
sensorError(hr);
return;
}
d->token.value = 0;
}
|
