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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qsensor2proximity.h"
#include <QtCore/QDebug>
QT_BEGIN_NAMESPACE
/*!
\qmlclass ProximitySensor QSensor2Proximity
\inqmlmodule QtSensors 5
\ingroup qml-QtSensors5
\since QtSensors 5.0
\brief The ProximitySensor element provide an easy access to determine if the proximity of the mobile user by using the proximity sensor.
This element is part of the \bold{QtSensors 5} module.
*/
QSensor2Proximity::QSensor2Proximity(QObject* parent)
: QObject(parent)
, _near(false)
{
_proximity = new QProximitySensor(this);
_proximity->addFilter(this);
}
QSensor2Proximity::~QSensor2Proximity()
{
}
/*!
\qmlproperty bool QtSensors5::ProximitySensor::enabled
This property can be used to activate or deactivate the sensor.
*/
bool QSensor2Proximity::enabled()
{
return _proximity->isActive();
}
void QSensor2Proximity::setEnabled(bool val)
{
bool active = enabled();
if (active != val){
if (val){
bool ret = _proximity->start();
if (!ret)
qWarning() << "couldn't start the sensor.";
}
else
_proximity->stop();
emit enabledChanged();
}
}
/*!
\qmlproperty bool QtSensors5::ProximitySensor::near
This property holds whether the sensor has detected something in close proximity.
Device dependent, but typically 1-2 cm.
*/
bool QSensor2Proximity::near()
{
return _near;
}
bool QSensor2Proximity::filter(QProximityReading *reading)
{
bool cl = reading->close();
if (_near != cl){
_near = cl;
emit nearChanged();
}
return false;
}
QT_END_NAMESPACE
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