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    40 ****************************************************************************/

    41 

    42 #include "ambientlightsensorsym.h"

    43 

    44 /**

    45  * set the id of the ambient light sensor

    46  */

    47 const char *CAmbientLightSensorSym::id("sym.ambientlight");

    48 

    49 /**

    50  * Factory function, this is used to create the ambient light sensor object

    51  * @return CAmbientLightSensorSym if successful, leaves on failure

    52  */

    53 CAmbientLightSensorSym* CAmbientLightSensorSym::NewL(QSensor *sensor)

    54     {

    55     CAmbientLightSensorSym* self = new (ELeave) CAmbientLightSensorSym(sensor);

    56     CleanupStack::PushL(self);

    57     self->ConstructL();

    58     CleanupStack::Pop();

    59     return self;    

    60     }

    61 

    62 /**

    63  * Destructor

    64  * Closes the backend resources

    65  */

    66 CAmbientLightSensorSym::~CAmbientLightSensorSym()

    67     {

    68     // Release the backend resources

    69     Close();

    70     }

    71 

    72 /**

    73  * Default constructor

    74  */

    75 CAmbientLightSensorSym::CAmbientLightSensorSym(QSensor *sensor):CSensorBackendSym(sensor)

    76     {

    77     setReading<QAmbientLightReading>(&iReading);    

    78     iBackendData.iSensorType = KSensrvChannelTypeIdAmbientLightData;

    79     }

    80 

    81 /*

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

    83  * It is implemented here to handle ambient light sensor specific

    84  * reading data and provides conversion and utility code

    85  */  

    86 void CAmbientLightSensorSym::RecvData(CSensrvChannel &aChannel)

    87     {

    88     TPckg<TSensrvAmbientLightData> lightpkg( iData );

    89     TInt ret = aChannel.GetData( lightpkg );

    90     if(KErrNone != ret)

    91         {

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

    93         return;

    94         }

    95     // Get a lock on the reading data

    96     iBackendData.iReadingLock.Wait();

    97     switch (iData.iAmbientLight)

    98         {

    99         case TSensrvAmbientLightData::KAmbientLightVeryDark:

   100         case TSensrvAmbientLightData::KAmbientLightDark:

   101             {

   102             iReading.setLightLevel(QAmbientLightReading::Dark);               

   103             }

   104             break;

   105 

   106         case TSensrvAmbientLightData::KAmbientLightTwilight:

   107             {

   108             iReading.setLightLevel(QAmbientLightReading::Twilight);

   109             }

   110             break;

   111 

   112         case TSensrvAmbientLightData::KAmbientLightLight:

   113             {

   114             iReading.setLightLevel(QAmbientLightReading::Light);

   115             }

   116             break;

   117 

   118         case TSensrvAmbientLightData::KAmbientLightBright:

   119             {

   120             iReading.setLightLevel(QAmbientLightReading::Bright);

   121             }

   122             break;

   123 

   124         case TSensrvAmbientLightData::KAmbientLightSunny:

   125             {

   126             iReading.setLightLevel(QAmbientLightReading::Sunny);

   127             }

   128             break;

   129 

   130         default:

   131             {

   132             iReading.setLightLevel(QAmbientLightReading::Undefined);

   133             }

   134         }

   135     // Set the timestamp

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

   137     // Release the lock

   138     iBackendData.iReadingLock.Signal();

   139     }

   140 

   141 /**

   142  * Second phase constructor

   143  * Initialize the backend resources

   144  */

   145 void CAmbientLightSensorSym::ConstructL()

   146     {

   147     //Initialize the backend resources

   148     InitializeL();

   149     }

   150