diff options
author | Lincoln Ramsay <lincoln.ramsay@nokia.com> | 2012-06-19 11:45:09 +1000 |
---|---|---|
committer | The Qt Project <gerrit-noreply@qt-project.org> | 2012-09-26 00:29:37 +0200 |
commit | f9d52ca1c093d8997d44cd8356b43b2665fdbf20 (patch) | |
tree | 45fd29bd91c67794bf3e1aefbf232bbd1d2f7b8f /src/imports/sensors/qmllightsensor.cpp | |
parent | 1d253860f9863fd015115d728c3f1bd04c5119c6 (diff) |
QtMobility.sensors has a new implementation
This implementation fixes the limitations the original code had
and separates the QtSensors C++ API from the QML API so that
changes to one don't need to affect the other.
Change-Id: I519463f3c7cfbad3bce5c291ce166b8793d5ed4a
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
Diffstat (limited to 'src/imports/sensors/qmllightsensor.cpp')
-rw-r--r-- | src/imports/sensors/qmllightsensor.cpp | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/imports/sensors/qmllightsensor.cpp b/src/imports/sensors/qmllightsensor.cpp new file mode 100644 index 00000000..6992ea58 --- /dev/null +++ b/src/imports/sensors/qmllightsensor.cpp @@ -0,0 +1,151 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtSensors module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qmllightsensor.h" +#include <QLightSensor> + +/*! + \qmltype LightSensor + \instantiates QmlLightSensor + \ingroup qml-sensors_type + \inqmlmodule QtMobility.sensors 1.3 + \since QtMobility.sensors 1.2 + \inherits QtMobility.sensors1::Sensor + \brief The LightSensor element reports on light levels using LUX. + + The LightSensor element reports on light levels using LUX. + + This element wraps the QLightSensor class. Please see the documentation for + QLightSensor for details. + + \sa LightReading +*/ + +QmlLightSensor::QmlLightSensor(QObject *parent) + : QmlSensor(parent) + , m_sensor(new QLightSensor(this)) +{ +} + +QmlLightSensor::~QmlLightSensor() +{ +} + +QmlSensorReading *QmlLightSensor::createReading() const +{ + return new QmlLightSensorReading(m_sensor); +} + +QSensor *QmlLightSensor::sensor() const +{ + return m_sensor; +} + +/*! + \qmlproperty qreal QtMobility.sensors1::LightSensor::fieldOfView + This property holds a value indicating the field of view. + + Please see QLightSensor::fieldOfView for information about this property. +*/ + +qreal QmlLightSensor::fieldOfView() const +{ + return m_sensor->property("fieldOfView").value<qreal>(); +} + +void QmlLightSensor::_update() +{ + if (fieldOfView() != qreal()) + Q_EMIT fieldOfViewChanged(); +} + +/*! + \qmltype LightReading + \instantiates QmlLightSensorReading + \ingroup qml-sensors_reading + \inqmlmodule QtMobility.sensors 1.3 + \since QtMobility.sensors 1.2 + \inherits QtMobility.sensors1::SensorReading + \brief The LightReading element holds the most recent LightSensor reading. + + The LightReading element holds the most recent LightSensor reading. + + This element wraps the QLightReading class. Please see the documentation for + QLightReading for details. + + This element cannot be directly created. +*/ + +QmlLightSensorReading::QmlLightSensorReading(QLightSensor *sensor) + : QmlSensorReading(sensor) + , m_sensor(sensor) +{ +} + +QmlLightSensorReading::~QmlLightSensorReading() +{ +} + +/*! + \qmlproperty qreal QtMobility.sensors1::LightReading::illuminance + This property holds the light level. + + Please see QLightReading::illuminance for information about this property. +*/ + +qreal QmlLightSensorReading::illuminance() const +{ + return m_illuminance; +} + +QSensorReading *QmlLightSensorReading::reading() const +{ + return m_sensor->reading(); +} + +void QmlLightSensorReading::readingUpdate() +{ + qreal ill = m_sensor->reading()->lux(); + if (m_illuminance != ill) { + m_illuminance = ill; + Q_EMIT illuminanceChanged(); + } +} |