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#include "ambientlightsensorsym.h"

/**

 * set the id of the ambient light sensor

 */

/**

 * 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;

    }

/*

 * RecvData 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::RecvData(CSensrvChannel &aChannel)

    {

    TPckg<TSensrvAmbientLightData> lightpkg( iData );

    TInt ret = aChannel.GetData( lightpkg );

    if(KErrNone != ret)

        {

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

        return;

        }

    // Get a lock on the reading data

    iBackendData.iReadingLock.Wait();

    switch (iData.iAmbientLight)

        {

        case TSensrvAmbientLightData::KAmbientLightVeryDark:

        case TSensrvAmbientLightData::KAmbientLightDark:

            {

            iReading.setLightLevel(QAmbientLightReading::Dark);               

            }

            break;

        case TSensrvAmbientLightData::KAmbientLightTwilight:

            {

            iReading.setLightLevel(QAmbientLightReading::Twilight);

            }

            break;

        case TSensrvAmbientLightData::KAmbientLightLight:

            {

            iReading.setLightLevel(QAmbientLightReading::Light);

            }

            break;

        case TSensrvAmbientLightData::KAmbientLightBright:

            {

            iReading.setLightLevel(QAmbientLightReading::Bright);

            }

            break;

        case TSensrvAmbientLightData::KAmbientLightSunny:

            {

            iReading.setLightLevel(QAmbientLightReading::Sunny);

            }

            break;

        default:

            {

            iReading.setLightLevel(QAmbientLightReading::Undefined);

            }

        }

    // Set the timestamp

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

    // Release the lock

    iBackendData.iReadingLock.Signal();

    }

/**

 * Second phase constructor

 * Initialize the backend resources

 */

void CAmbientLightSensorSym::ConstructL()

    {

    //Initialize the backend resources

    InitializeL();

    }