TrajectoryPoints.h

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#pragma once
 
#include <QtCore/QObject>
#include <QtCore/QVariantList>
#include <QtPositioning/QGeoCoordinate>
#include <QtQmlIntegration/QtQmlIntegration>
 
class Vehicle;
 
class TrajectoryPoints : public QObject
{
    Q_OBJECT
    QML_ELEMENT
    QML_UNCREATABLE("")
public:
    TrajectoryPoints(Vehicle* vehicle, QObject* parent = nullptr);
 
    Q_INVOKABLE QVariantList list(void) const { return _points; }
 
    void start  (void);
    void stop   (void);
 
public slots:
    void clear  (void);
 
signals:
    void pointAdded     (QGeoCoordinate coordinate);
    void updateLastPoint(QGeoCoordinate coordinate);
    void pointsCleared  (void);
 
private slots:
    void _vehicleCoordinateChanged(QGeoCoordinate coordinate);
 
private:
    Vehicle*        _vehicle;
    QVariantList    _points;
    QGeoCoordinate  _lastPoint;
    double          _lastAzimuth;
 
    static constexpr double _distanceTolerance = 2.0;
    static constexpr double _azimuthTolerance = 1.5;
};