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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 "ambientlightsensorsym.h"
/**
* set the id of the ambient light sensor
*/
char const * const CAmbientLightSensorSym::id("sym.ambientlight");
/**
* Factory function, this is used to create the ambient light sensor object
* @return CAmbientLightSensorSym if successful, leaves on failure
*/
CAmbientLightSensorSym* CAmbientLightSensorSym::NewL(QSensor *sensor)
{
CAmbientLightSensorSym* self = new (ELeave) CAmbientLightSensorSym(sensor);
CleanupStack::PushL(self);
self->ConstructL();
CleanupStack::Pop();
return self;
}
/**
* Destructor
* Closes the backend resources
*/
CAmbientLightSensorSym::~CAmbientLightSensorSym()
{
// Release the backend resources
Close();
}
/**
* Default constructor
*/
CAmbientLightSensorSym::CAmbientLightSensorSym(QSensor *sensor):CSensorBackendSym(sensor)
{
setReading<QAmbientLightReading>(&iReading);
iBackendData.iSensorType = KSensrvChannelTypeIdAmbientLightData;
}
/*
* DataReceived is used to retrieve the sensor reading from sensor server
* It is implemented here to handle ambient light sensor specific
* reading data and provides conversion and utility code
*/
void CAmbientLightSensorSym::DataReceived(CSensrvChannel &aChannel, TInt aCount, TInt /*aDataLost*/)
{
ProcessData(aChannel, aCount, iData);
}
void CAmbientLightSensorSym::ProcessReading()
{
// Get a lock on the reading data
iBackendData.iReadingLock.Wait();
// Reason why switch/case was changed to separate if clauses is that
// we do not need to use new enums that were added to platform code,
// so this code should work also in case that those new enums are not
// defined in some platform where this same QtMobility code is used.
if (iData.iAmbientLight < TSensrvAmbientLightData::KAmbientLightTwilight) {
// KAmbientLightVeryDark, KAmbientLightDark
iReading.setLightLevel(QAmbientLightReading::Dark);
} else if (iData.iAmbientLight < TSensrvAmbientLightData::KAmbientLightLight) {
// KAmbientLightTwilight
iReading.setLightLevel(QAmbientLightReading::Twilight);
} else if (iData.iAmbientLight < TSensrvAmbientLightData::KAmbientLightBright) {
// KAmbientLightLight
iReading.setLightLevel(QAmbientLightReading::Light);
} else if (iData.iAmbientLight < TSensrvAmbientLightData::KAmbientLightSunny) {
// KAmbientLightBright
iReading.setLightLevel(QAmbientLightReading::Bright);
} else {
// KAmbientLightCloudy , KAmbientLightCloudySunny, KAmbientLightSunny
iReading.setLightLevel(QAmbientLightReading::Sunny);
}
// Set the timestamp
iReading.setTimestamp(iData.iTimeStamp.Int64());
// Release the lock
iBackendData.iReadingLock.Signal();
// Notify that a reading is available
newReadingAvailable();
}
/**
* Second phase constructor
* Initialize the backend resources
*/
void CAmbientLightSensorSym::ConstructL()
{
//Initialize the backend resources
InitializeL();
}
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