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39
40#include <QtSensors/QSensor>
41
42#include "qturnoversensorgesturerecognizer.h"
43#include "qtsensorgesturesensorhandler.h"
44
45QT_BEGIN_NAMESPACE
46
47// turnover and put down i.e. facedown
48
49QTurnoverSensorGestureRecognizer::QTurnoverSensorGestureRecognizer(QObject *parent) :
50 QSensorGestureRecognizer(parent),
51 isClose(0)
52 , isFaceDown(0), active(0)
53{
54}
55
56QTurnoverSensorGestureRecognizer::~QTurnoverSensorGestureRecognizer()
57{
58}
59
60void QTurnoverSensorGestureRecognizer::create()
61{
62}
63
64bool QTurnoverSensorGestureRecognizer::start()
65{
66 if (QtSensorGestureSensorHandler::instance()->startSensor(sensor: QtSensorGestureSensorHandler::Proximity)) {
67 if (QtSensorGestureSensorHandler::instance()->startSensor(sensor: QtSensorGestureSensorHandler::Orientation)) {
68 active = true;
69 connect(sender: QtSensorGestureSensorHandler::instance(),SIGNAL(proximityReadingChanged(QProximityReading*)),
70 receiver: this,SLOT(proximityChanged(QProximityReading*)));
71
72 connect(sender: QtSensorGestureSensorHandler::instance(),SIGNAL(orientationReadingChanged(QOrientationReading*)),
73 receiver: this,SLOT(orientationReadingChanged(QOrientationReading*)));
74 } else {
75 QtSensorGestureSensorHandler::instance()->stopSensor(sensor: QtSensorGestureSensorHandler::Proximity);
76 active = false;
77 }
78 } else {
79 active = false;
80 }
81 return active;
82}
83
84bool QTurnoverSensorGestureRecognizer::stop()
85{
86 QtSensorGestureSensorHandler::instance()->stopSensor(sensor: QtSensorGestureSensorHandler::Proximity);
87 QtSensorGestureSensorHandler::instance()->stopSensor(sensor: QtSensorGestureSensorHandler::Orientation);
88
89 disconnect(sender: QtSensorGestureSensorHandler::instance(),SIGNAL(proximityReadingChanged(QProximityReading*)),
90 receiver: this,SLOT(proximityChanged(QProximityReading*)));
91 disconnect(sender: QtSensorGestureSensorHandler::instance(),SIGNAL(orientationReadingChanged(QOrientationReading*)),
92 receiver: this,SLOT(orientationReadingChanged(QOrientationReading*)));
93
94 active = false;
95
96 return active;
97}
98
99bool QTurnoverSensorGestureRecognizer::isActive()
100{
101 return active;
102}
103
104QString QTurnoverSensorGestureRecognizer::id() const
105{
106 return QString("QtSensors.turnover");
107}
108
109void QTurnoverSensorGestureRecognizer::proximityChanged(QProximityReading *reading)
110{
111 isClose = reading->close();
112 if (isClose)
113 isRecognized();
114}
115
116void QTurnoverSensorGestureRecognizer::orientationReadingChanged(QOrientationReading *reading)
117{
118 switch (reading->orientation()) {
119 case QOrientationReading::FaceDown:
120 {
121 isFaceDown = true;
122 isRecognized();
123 }
124 break;
125 default:
126 isFaceDown = false;
127 break;
128 };
129}
130
131void QTurnoverSensorGestureRecognizer::isRecognized()
132{
133 if (isClose && isFaceDown) {
134 Q_EMIT turnover();
135 Q_EMIT detected("turnover");
136 }
137}
138QT_END_NAMESPACE
139
140

source code of qtsensors/src/plugins/sensorgestures/qtsensors/qturnoversensorgesturerecognizer.cpp