ADSBVehicle.h

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#pragma once
 
#include <QtCore/QElapsedTimer>
#include <QtCore/QtNumeric>
#include <QtCore/QObject>
#include <QtPositioning/QGeoCoordinate>
#include <QtQmlIntegration/QtQmlIntegration>
 
#include "ADSB.h"
 
class ADSBVehicle : public QObject
{
    Q_OBJECT
    // QML_ELEMENT
 
    friend class ADSBTest;
 
    Q_PROPERTY(uint             icaoAddress READ    icaoAddress CONSTANT)
    Q_PROPERTY(QString          callsign    READ    callsign    NOTIFY callsignChanged)
    Q_PROPERTY(QGeoCoordinate   coordinate  READ    coordinate  NOTIFY coordinateChanged)
    Q_PROPERTY(double           altitude    READ    altitude    NOTIFY altitudeChanged)
    Q_PROPERTY(double           heading     READ    heading     NOTIFY headingChanged)
    Q_PROPERTY(double           velocity    READ    velocity    NOTIFY velocityChanged)
    Q_PROPERTY(double           verticalVel READ    verticalVel NOTIFY verticalVelChanged)
    Q_PROPERTY(uint16_t         squawk      READ    squawk      NOTIFY squawkChanged)
    Q_PROPERTY(bool             alert       READ    alert       NOTIFY alertChanged)
 
public:
    explicit ADSBVehicle(const ADSB::VehicleInfo_t &vehicleInfo, QObject *parent = nullptr);
    ~ADSBVehicle();
 
    uint32_t icaoAddress() const { return _info.icaoAddress; }
    QString callsign() const { return _info.callsign; }
    QGeoCoordinate coordinate() const { return _info.location; }
    double altitude() const { return _info.location.altitude(); }
    double heading() const { return _info.heading; }
    double velocity() const { return _info.velocity; }
    double verticalVel() const { return _info.verticalVel; }
    uint16_t squawk() const { return _info.squawk; }
    bool alert() const { return _info.alert; }
    bool expired() const { return !_lastUpdateTimer.isValid() || _lastUpdateTimer.hasExpired(_expirationTimeoutMs); }
    void update(const ADSB::VehicleInfo_t &vehicleInfo);
 
signals:
    void coordinateChanged();
    void callsignChanged();
    void altitudeChanged();
    void headingChanged();
    void velocityChanged();
    void verticalVelChanged();
    void squawkChanged();
    void alertChanged();
 
private:
    ADSB::VehicleInfo_t _info{};
    QElapsedTimer _lastUpdateTimer;
    QElapsedTimer _lastPropertyUpdateTimer;
 
    static constexpr qint64 _expirationTimeoutMs = 120000; 
    static constexpr qint64 _propertyUpdateMinIntervalMs = 1000; 
};