qt-everywhere-src-5.15.1/qtlocation/src/positioning/qnmeapositioninfosource.h

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#ifndef QNMEAPOSITIONINFOSOURCE_H
#define QNMEAPOSITIONINFOSOURCE_H

#include <QtPositioning/QGeoPositionInfoSource>

QT_BEGIN_NAMESPACE

class QIODevice;

class QNmeaPositionInfoSourcePrivate;
class Q_POSITIONING_EXPORT QNmeaPositionInfoSource : public QGeoPositionInfoSource
{
    Q_OBJECT
public:
    enum UpdateMode {
        RealTimeMode = 1,
        SimulationMode
    };

    explicit QNmeaPositionInfoSource(UpdateMode updateMode, QObject *parent = nullptr);
    ~QNmeaPositionInfoSource();

    void setUserEquivalentRangeError(double uere);
    double userEquivalentRangeError() const;

    UpdateMode updateMode() const;

    void setDevice(QIODevice *source);
    QIODevice *device() const;

    void setUpdateInterval(int msec);

    QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const;
    PositioningMethods supportedPositioningMethods() const;
    int minimumUpdateInterval() const;
    Error error() const;


public Q_SLOTS:
    void startUpdates();
    void stopUpdates();
    void requestUpdate(int timeout = 0);

protected:
    virtual bool parsePosInfoFromNmeaData(const char *data,
                                          int size,
                                          QGeoPositionInfo *posInfo,
                                          bool *hasFix);

private:
    Q_DISABLE_COPY(QNmeaPositionInfoSource)
    friend class QNmeaPositionInfoSourcePrivate;
    QNmeaPositionInfoSourcePrivate *d;
    void setError(QGeoPositionInfoSource::Error positionError);
};

QT_END_NAMESPACE

#endif