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// 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();    

    }