/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtPositioning module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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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 = 0);
    ~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
