--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/sensors/symbian/rotationsensorsym.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,184 @@
+/****************************************************************************
+ **
+ ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ ** All rights reserved.
+ ** Contact: Nokia Corporation (qt-info@nokia.com)
+ **
+ ** This file is part of the Qt Mobility Components.
+ **
+ ** $QT_BEGIN_LICENSE:LGPL$
+ ** No Commercial Usage
+ ** This file contains pre-release code and may not be distributed.
+ ** You may use this file in accordance with the terms and conditions
+ ** contained in the Technology Preview License Agreement accompanying
+ ** this package.
+ **
+ ** 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, 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.
+ **
+ ** If you have questions regarding the use of this file, please contact
+ ** Nokia at qt-info@nokia.com.
+ **
+ **
+ **
+ **
+ **
+ **
+ **
+ **
+ ** $QT_END_LICENSE$
+ **
+ ****************************************************************************/
+
+// Internal Headers
+#include "rotationsensorsym.h"
+
+#include <sensrvgeneralproperties.h>
+
+/**
+ * set the id of the proximity sensor
+ */
+char const * const CRotationSensorSym::id("sym.rotation");
+
+const TInt KMinimumRange = -180;
+const TInt KMaximumRange = 180;
+
+/**
+ * Factory function, this is used to create the rotation sensor object
+ * @return CRotationSensorSym if successful, leaves on failure
+ */
+CRotationSensorSym* CRotationSensorSym::NewL(QSensor *sensor)
+    {
+    CRotationSensorSym* self = new (ELeave) CRotationSensorSym(sensor);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;
+    }
+
+/**
+ * Destructor
+ * Closes the backend resources
+ */
+CRotationSensorSym::~CRotationSensorSym()
+    {
+    // Release the backend resources
+    Close();
+    }
+
+/**
+ * Default constructor
+ */
+CRotationSensorSym::CRotationSensorSym(QSensor *sensor):CSensorBackendSym(sensor)
+        {
+        setReading<QRotationReading>(&iReading);    
+        iBackendData.iSensorType = KSensrvChannelTypeIdRotationData;
+        }
+
+/*
+ * RecvData is used to retrieve the sensor reading from sensor server
+ * It is implemented here to handle rotation sensor specific
+ * reading data and provides conversion and utility code
+ */ 
+void CRotationSensorSym::RecvData(CSensrvChannel &aChannel)
+    {
+    TPckg<TSensrvRotationData> rotationpkg( iData );
+    TInt ret = aChannel.GetData( rotationpkg );
+    if(KErrNone != ret)
+        {
+        // If there is no reading available, return without setting
+        return;
+        }
+    // Get a lock on the reading data
+    iBackendData.iReadingLock.Wait();
+    // To Do verify with ds and ramsay
+    
+    // For x axis symbian provides reading from 0 to 359 range
+    // This logic maps value to Qt range -90 to 90
+    if(iData.iDeviceRotationAboutXAxis >= 0 && iData.iDeviceRotationAboutXAxis <= 180)
+        {
+        iReading.setX(90 - iData.iDeviceRotationAboutXAxis);
+        }
+    else if(iData.iDeviceRotationAboutXAxis > 180 && iData.iDeviceRotationAboutXAxis <= 270)
+        {
+        iReading.setX(iData.iDeviceRotationAboutXAxis - 270);
+        }
+    else if(iData.iDeviceRotationAboutXAxis > 270 && iData.iDeviceRotationAboutXAxis < 360)
+        {
+        iReading.setX(iData.iDeviceRotationAboutXAxis - 270);
+        }
+    
+    // For y axis symbian provides reading from 0 to 359 range
+    // This logic maps value to Qt range -180 to 180
+    if(iData.iDeviceRotationAboutYAxis >= 0 && iData.iDeviceRotationAboutYAxis <= 180)
+        {
+        iReading.setY(iData.iDeviceRotationAboutYAxis);
+        }
+    else if(iData.iDeviceRotationAboutYAxis > 180 && iData.iDeviceRotationAboutYAxis < 360)
+        {
+        iReading.setY(iData.iDeviceRotationAboutYAxis - 360);
+        }
+    
+    if(iData.iDeviceRotationAboutZAxis == TSensrvRotationData::KSensrvRotationUndefined)
+        {
+        sensor()->setProperty("hasZ", QVariant(FALSE));
+        }
+    else
+        {
+        sensor()->setProperty("hasZ", QVariant(TRUE));
+        // For z axis symbian provides reading from 0 to 359 range
+        // This logic maps value to Qt range -180 to 180
+        if(iData.iDeviceRotationAboutZAxis >= 0 && iData.iDeviceRotationAboutZAxis <= 180)
+            {
+            iReading.setZ(iData.iDeviceRotationAboutZAxis);
+            }
+        else if(iData.iDeviceRotationAboutZAxis > 180 && iData.iDeviceRotationAboutZAxis < 360)
+            {
+            iReading.setZ(iData.iDeviceRotationAboutZAxis - 360);
+            }
+        }
+    // Set the timestamp
+    iReading.setTimestamp(iData.iTimeStamp.Int64());
+    // Release the lock
+    iBackendData.iReadingLock.Signal();
+    }
+
+/**
+ * Overriding this method in rotation sensor to hard code value of 
+ * mesurement range from -180 to 180 as Qt wants
+ * Symbian provides measurement range from 0 to 359
+ */
+void CRotationSensorSym::GetMeasurementrangeAndAccuracy()
+    {
+    TReal accuracy = 0;
+    TSensrvProperty accuracyProperty;
+    TRAPD(err, iBackendData.iSensorChannel->GetPropertyL(KSensrvPropIdChannelAccuracy, ESensrvSingleProperty, accuracyProperty));
+    if(err == KErrNone)
+        {
+        accuracyProperty.GetValue(accuracy);
+        }
+    // Hard coding values -180 and 180 as Qt expects y and z axis
+    // values range from -180 to 180.
+    addOutputRange(KMinimumRange, KMaximumRange, accuracy);
+    }
+
+
+/**
+ * Second phase constructor
+ * Initialize the backend resources
+ */
+void CRotationSensorSym::ConstructL()
+    {
+    //Initialize the backend resources
+    InitializeL();    
+    }
+