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    41 

    42 #ifndef QGEOPOSITIONINFOSOURCEMAEMO5_H

    43 #define QGEOPOSITIONINFOSOURCEMAEMO5_H

    44 

    45 #include <QTimer>

    46 #include "qgeopositioninfosource.h"

    47 

    48 #define INIT_OK                     0

    49 #define INIT_FAILED                 -1

    50 #define MINIMUM_UPDATE_INTERVAL     1000

    51 #define DEFAULT_UPDATE_INTERVAL     5000

    52 #define POWERSAVE_THRESHOLD         180000

    53 #define POWERSAVE_POWERON_PERIOD    120000

    54 

    55 QTM_BEGIN_NAMESPACE

    56 

    57 class LiblocationWrapper;

    58 

    59 class QGeoPositionInfoSourceMaemo : public QGeoPositionInfoSource

    60 {

    61     Q_OBJECT

    62 

    63 public:

    64 

    65     QGeoPositionInfoSourceMaemo(QObject *parent = 0);

    66 

    67     int init();

    68 

    69     virtual void setUpdateInterval(int interval);

    70     virtual void setPreferredPositioningMethods(PositioningMethods sources);

    71     virtual QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const;

    72     virtual PositioningMethods supportedPositioningMethods() const;

    73     virtual int minimumUpdateInterval() const;

    74 

    75 private:

    76     PositioningMethods availableMethods;

    77     bool positionInited;

    78     QTimer *updateTimer;

    79     QTimer *requestTimer;

    80     int timerInterval;

    81     bool errorOccurred;

    82     bool errorSent;

    83 

    84     void activateTimer();

    85     void startLocationDaemon();

    86     

    87     enum PositionInfoState {

    88         Undefined = 0,

    89         Started = 1,

    90         Stopped = 2,

    91         RequestActive = 4,

    92         PowersaveActive = 8

    93     };

    94     int positionInfoState;

    95     

    96 signals:

    97     void positionUpdated(const QGeoPositionInfo &update);

    98     

    99 public slots:

   100     void startUpdates();

   101     void stopUpdates();

   102     void requestUpdate(int timeout = DEFAULT_UPDATE_INTERVAL);

   103     void newPositionUpdate();

   104 

   105 private slots:

   106     void requestTimeoutElapsed();

   107     void error();

   108 

   109 private:

   110     Q_DISABLE_COPY(QGeoPositionInfoSourceMaemo)

   111 };

   112 

   113 QTM_END_NAMESPACE

   114 

   115 #endif // QGEOPOSITIONINFOSOURCEMAEMO5_H