wavelength_leaver.h

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#ifndef WAVELENGTH_LEAVER_H
#define WAVELENGTH_LEAVER_H
 
#include <QObject>

class WavelengthLeaver final : public QObject {
    Q_OBJECT
 
public:
    static WavelengthLeaver *GetInstance() {
        static WavelengthLeaver instance;
        return &instance;
    }

    void LeaveWavelength();

    void CloseWavelength(QString frequency);
 
signals:
    void wavelengthLeft(QString frequency);

    void wavelengthClosed(QString frequency);
 
private:
    explicit WavelengthLeaver(QObject *parent = nullptr) : QObject(parent) {
    }

    ~WavelengthLeaver() override = default;

    WavelengthLeaver(const WavelengthLeaver &) = delete;

    WavelengthLeaver &operator=(const WavelengthLeaver &) = delete;
};
 
#endif // WAVELENGTH_LEAVER_H