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// Internal Headers

#include "proximitysensorsym.h"

/**

 * set the id of the proximity sensor

 */

const char *CProximitySensorSym::id("sym.proximity");

/**

 * Factory function, this is used to create the proximity sensor object

 * @return CProximitySensorSym if successful, leaves on failure

 */

CProximitySensorSym* CProximitySensorSym::NewL(QSensor *sensor)

    {

    CProximitySensorSym* self = new (ELeave) CProximitySensorSym(sensor);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    return self;    

    }

/**

 * Destructor

 * Closes the backend resources

 */

CProximitySensorSym::~CProximitySensorSym()

    {

    // Release the backend resources

    Close();

    }

/**

 * Default constructor

 */

CProximitySensorSym::CProximitySensorSym(QSensor *sensor):CSensorBackendSym(sensor)

        {

        setReading<QProximityReading>(&iReading);    

        iBackendData.iSensorType = KSensrvChannelTypeIdProximityMonitor;

        }

/*

 * RecvData is used to retrieve the sensor reading from sensor server

 * It is implemented here to handle proximity sensor specific

 * reading data and provides conversion and utility code

 */ 

void CProximitySensorSym::RecvData(CSensrvChannel &aChannel)

    {

    TPckg<TSensrvProximityData> proxpkg( iData );

    TInt ret = aChannel.GetData( proxpkg );

    if(KErrNone != ret)

        {

        // If there is no reading available, return without setting

        return;

        }

    // Get a lock on the reading data

    iBackendData.iReadingLock.Wait();    

    iReading.setClose(iData.iProximityState == TSensrvProximityData::EProximityDiscernible);

    // Set the timestamp

    iReading.setTimestamp(iData.iTimeStamp.Int64());

    // Release the lock

    iBackendData.iReadingLock.Signal();

    }

/**

 * Second phase constructor

 * Initialize the backend resources

 */

void CProximitySensorSym::ConstructL()

    {

    //Initialize the backend resources

    InitializeL();

    }