qt-everywhere-src-5.14.1/qtlocation/src/positioning/qnmeapositioninfosource.h

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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