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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 <QtSensors/QSensor>
#include "qturnoversensorgesturerecognizer.h"
QT_BEGIN_NAMESPACE
// turnover and put down i.e. facedown
QTurnoverSensorGestureRecognizer::QTurnoverSensorGestureRecognizer(QObject *parent) :
QSensorGestureRecognizer(parent),
isClose(0)
, isFaceDown(0)
{
}
QTurnoverSensorGestureRecognizer::~QTurnoverSensorGestureRecognizer()
{
}
void QTurnoverSensorGestureRecognizer::create()
{
orientation = new QOrientationSensor(this);
orientation->connectToBackend();
proximity = new QProximitySensor(this);
proximity->connectToBackend();
}
bool QTurnoverSensorGestureRecognizer::start()
{
connect(orientation,SIGNAL(readingChanged()),this,SLOT(orientationChanged()));
connect(proximity,SIGNAL(readingChanged()),this,SLOT(proximityChanged()));
active = (orientation->start() && proximity->start());
return active;
}
bool QTurnoverSensorGestureRecognizer::stop()
{
orientation->stop();
proximity->stop();
active = (orientation->isActive() && proximity->isActive());
disconnect(orientation,SIGNAL(readingChanged()),this,SLOT(orientationChanged()));
disconnect(proximity,SIGNAL(readingChanged()),this,SLOT(proximityChanged()));
return !active;
}
bool QTurnoverSensorGestureRecognizer::isActive()
{
return active;
}
QString QTurnoverSensorGestureRecognizer::id() const
{
return QString("QtSensors.turnover");
}
void QTurnoverSensorGestureRecognizer::proximityChanged()
{
isClose = proximity->reading()->close();
isRecognized();
}
void QTurnoverSensorGestureRecognizer::orientationChanged()
{
switch (orientation->reading()->orientation()) {
case QOrientationReading::FaceDown:
{
isFaceDown = true;
isRecognized();
}
break;
default:
isFaceDown = false;
break;
};
}
void QTurnoverSensorGestureRecognizer::isRecognized()
{
if (isClose && isFaceDown) {
Q_EMIT turnover();
Q_EMIT detected("turnover");
}
}
QT_END_NAMESPACE
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