PositionInfo.h

/***************************************************************************
 *   Copyright (C) 2019-2023 by Stefan Kebekus                             *
 *   stefan.kebekus@gmail.com                                              *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
 
#pragma once
 
#include <QGeoPositionInfo>
#include <QQmlEngine>
//#include <chrono>
 
#include "units/Angle.h"
#include "units/Distance.h"
#include "units/Speed.h"
 
using namespace std::chrono_literals;
 
 
namespace Positioning {

 
class PositionInfo
{
    Q_GADGET
    QML_VALUE_TYPE(positionInfo)
 
public:
    PositionInfo() = default;

    explicit PositionInfo(const QGeoPositionInfo& info, const QString& source);

    [[nodiscard]] Q_INVOKABLE QGeoCoordinate coordinate() const
    {
        return m_positionInfo.coordinate();
    }

    [[nodiscard]] Q_INVOKABLE Units::Speed groundSpeed() const;

    [[nodiscard]] Q_INVOKABLE bool isValid() const;

    [[nodiscard]] Q_INVOKABLE Units::Distance positionErrorEstimate() const;

    [[nodiscard]] Q_INVOKABLE QString source() const {return m_source;}

    [[nodiscard]] Q_INVOKABLE Units::Distance terrainElevationAMSL();

    [[nodiscard]] Q_INVOKABLE QDateTime timestamp() const
    {
        return m_positionInfo.timestamp().toUTC();
    }

    [[nodiscard]] Q_INVOKABLE QString timestampString() const
    {
        return m_positionInfo.timestamp().toUTC().time().toString(QStringLiteral("HH:mm:ss"))+ " UTC";
    }

    [[nodiscard]] Q_INVOKABLE Units::Distance trueAltitudeAGL();

    [[nodiscard]] Q_INVOKABLE Units::Distance trueAltitudeAMSL() const;

    [[nodiscard]] Q_INVOKABLE Units::Distance trueAltitudeErrorEstimate() const;

    [[nodiscard]] Q_INVOKABLE Units::Angle trueTrack() const;

    [[nodiscard]] Q_INVOKABLE Units::Angle trueTrackErrorEstimate() const;

    [[nodiscard]] Q_INVOKABLE Units::Angle variation() const;

    [[nodiscard]] Q_INVOKABLE Units::Speed verticalSpeed() const;

    Q_INVOKABLE bool operator==(const Positioning::PositionInfo &rhs) const
    {
        return (m_positionInfo == rhs.m_positionInfo);
    }

    operator QGeoPositionInfo() const
    {
        return m_positionInfo;
    }

#if defined(Q_OS_ANDROID) or defined(Q_OS_IOS)
    static constexpr auto lifetime = 20s;
#else
    static constexpr auto lifetime = 20min;
#endif
 
 
private:
    QGeoPositionInfo m_positionInfo;
    QString m_source;
    Units::Distance m_terrainAMSL;
    Units::Distance m_trueAltitudeAGL;
};
 
} // namespace Positioning
 
Q_DECLARE_METATYPE(Positioning::PositionInfo)