1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtSensors module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #include "qmllightsensor.h" 41 #include <QtSensors/QLightSensor> 42 43 /*! 44 \qmltype LightSensor 45 \instantiates QmlLightSensor 46 \ingroup qml-sensors_type 47 \inqmlmodule QtSensors 48 \since QtSensors 5.0 49 \inherits Sensor 50 \brief The LightSensor element reports on light levels using LUX. 51 52 The LightSensor element reports on light levels using LUX. 53 54 This element wraps the QLightSensor class. Please see the documentation for 55 QLightSensor for details. 56 57 \sa LightReading 58 */ 59 QmlLightSensor(QObject * parent)60QmlLightSensor::QmlLightSensor(QObject *parent) 61 : QmlSensor(parent) 62 , m_sensor(new QLightSensor(this)) 63 { 64 connect(m_sensor, SIGNAL(fieldOfViewChanged(qreal)), 65 this, SIGNAL(fieldOfViewChanged(qreal))); 66 } 67 ~QmlLightSensor()68QmlLightSensor::~QmlLightSensor() 69 { 70 } 71 createReading() const72QmlSensorReading *QmlLightSensor::createReading() const 73 { 74 return new QmlLightSensorReading(m_sensor); 75 } 76 sensor() const77QSensor *QmlLightSensor::sensor() const 78 { 79 return m_sensor; 80 } 81 82 /*! 83 \qmlproperty qreal LightSensor::fieldOfView 84 This property holds a value indicating the field of view. 85 86 Please see QLightSensor::fieldOfView for information about this property. 87 */ 88 fieldOfView() const89qreal QmlLightSensor::fieldOfView() const 90 { 91 return m_sensor->fieldOfView(); 92 } 93 94 /*! 95 \qmltype LightReading 96 \instantiates QmlLightSensorReading 97 \ingroup qml-sensors_reading 98 \inqmlmodule QtSensors 99 \since QtSensors 5.0 100 \inherits SensorReading 101 \brief The LightReading element holds the most recent LightSensor reading. 102 103 The LightReading element holds the most recent LightSensor reading. 104 105 This element wraps the QLightReading class. Please see the documentation for 106 QLightReading for details. 107 108 This element cannot be directly created. 109 */ 110 QmlLightSensorReading(QLightSensor * sensor)111QmlLightSensorReading::QmlLightSensorReading(QLightSensor *sensor) 112 : QmlSensorReading(sensor) 113 , m_sensor(sensor) 114 { 115 } 116 ~QmlLightSensorReading()117QmlLightSensorReading::~QmlLightSensorReading() 118 { 119 } 120 121 /*! 122 \qmlproperty qreal LightReading::illuminance 123 This property holds the light level. 124 125 Please see QLightReading::illuminance for information about this property. 126 */ 127 illuminance() const128qreal QmlLightSensorReading::illuminance() const 129 { 130 return m_illuminance; 131 } 132 reading() const133QSensorReading *QmlLightSensorReading::reading() const 134 { 135 return m_sensor->reading(); 136 } 137 readingUpdate()138void QmlLightSensorReading::readingUpdate() 139 { 140 qreal ill = m_sensor->reading()->lux(); 141 if (m_illuminance != ill) { 142 m_illuminance = ill; 143 Q_EMIT illuminanceChanged(); 144 } 145 } 146