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****************************************************************************/
#ifndef QGEOPOSITIONINFOSOURCE_H
#define QGEOPOSITIONINFOSOURCE_H

#include "qmobilityglobal.h"
#include "qgeopositioninfo.h"

#include <QObject>

QT_BEGIN_HEADER

QTM_BEGIN_NAMESPACE

class QGeoPositionInfoSourcePrivate;
class Q_LOCATION_EXPORT QGeoPositionInfoSource : public QObject
{
    Q_OBJECT
    Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval)
    Q_PROPERTY(int minimumUpdateInterval READ minimumUpdateInterval)

public:
    enum PositioningMethod {
        SatellitePositioningMethods = 0x000000ff,
        NonSatellitePositioningMethods = 0xffffff00,
        AllPositioningMethods = 0xffffffff
    };
    Q_DECLARE_FLAGS(PositioningMethods, PositioningMethod)

    explicit QGeoPositionInfoSource(QObject *parent);
    virtual ~QGeoPositionInfoSource();

    virtual void setUpdateInterval(int msec);
    int updateInterval() const;

    virtual void setPreferredPositioningMethods(PositioningMethods methods);
    PositioningMethods preferredPositioningMethods() const;

    virtual QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const = 0;

    virtual PositioningMethods supportedPositioningMethods() const = 0;
    virtual int minimumUpdateInterval() const = 0;

    static QGeoPositionInfoSource *createDefaultSource(QObject *parent);

public Q_SLOTS:
    virtual void startUpdates() = 0;
    virtual void stopUpdates() = 0;

    virtual void requestUpdate(int timeout = 0) = 0;

Q_SIGNALS:
    void positionUpdated(const QGeoPositionInfo &update);
    void updateTimeout();

private:
    Q_DISABLE_COPY(QGeoPositionInfoSource)
    QGeoPositionInfoSourcePrivate *d;
};

Q_DECLARE_OPERATORS_FOR_FLAGS(QGeoPositionInfoSource::PositioningMethods)

QTM_END_NAMESPACE

QT_END_HEADER

#endif