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2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
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5 | ** |
6 | ** This file is part of the QtSensors module of the Qt Toolkit. |
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38 | ****************************************************************************/ |
39 | |
40 | #include <QtSensors/QSensor> |
41 | |
42 | #include "qturnoversensorgesturerecognizer.h" |
43 | #include "qtsensorgesturesensorhandler.h" |
44 | |
45 | QT_BEGIN_NAMESPACE |
46 | |
47 | // turnover and put down i.e. facedown |
48 | |
49 | QTurnoverSensorGestureRecognizer::QTurnoverSensorGestureRecognizer(QObject *parent) : |
50 | QSensorGestureRecognizer(parent), |
51 | isClose(0) |
52 | , isFaceDown(0), active(0) |
53 | { |
54 | } |
55 | |
56 | QTurnoverSensorGestureRecognizer::~QTurnoverSensorGestureRecognizer() |
57 | { |
58 | } |
59 | |
60 | void QTurnoverSensorGestureRecognizer::create() |
61 | { |
62 | } |
63 | |
64 | bool 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 | |
84 | bool 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 | |
99 | bool QTurnoverSensorGestureRecognizer::isActive() |
100 | { |
101 | return active; |
102 | } |
103 | |
104 | QString QTurnoverSensorGestureRecognizer::id() const |
105 | { |
106 | return QString("QtSensors.turnover" ); |
107 | } |
108 | |
109 | void QTurnoverSensorGestureRecognizer::proximityChanged(QProximityReading *reading) |
110 | { |
111 | isClose = reading->close(); |
112 | if (isClose) |
113 | isRecognized(); |
114 | } |
115 | |
116 | void 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 | |
131 | void QTurnoverSensorGestureRecognizer::isRecognized() |
132 | { |
133 | if (isClose && isFaceDown) { |
134 | Q_EMIT turnover(); |
135 | Q_EMIT detected("turnover" ); |
136 | } |
137 | } |
138 | QT_END_NAMESPACE |
139 | |
140 | |