WebRender.h

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#pragma once
#include "../excep/CanExceptionCallback.h"
#include "DataPack.h"
#include <QBuffer>
#include <QObject>
#include <QTimer>
#include <QWebEngineView>
#include <QtPrintSupport/QPrinter>
#include <QtPrintSupport/QPrinterInfo>
#include <qtmetamacros.h>
#include <tuple>
 
class WebRender : public QObject {
    Q_OBJECT
      public:
        explicit WebRender(QObject* parent = nullptr);
        // Q_SIGNALS:
        void work(PrinterDataPack * pack, CanExceptionCallback ra);
 
        QWebEngineView render_view;
 
      private:
        QTimer           print_request_time;
        QList<QPrinter*> printers;
        QTimer           timeout_listen;
        bool             is_working{false};
 
        std::tuple<PrinterDataPack*, CanExceptionCallback> current_work;
      private slots:
        void slotLoadFinishTorint(bool);
        void slotJsPrintRequestToPrint();

 
        void slotPrintRequestTimeOut();
 
      private:
        void workFinish(bool is_success, const QString errmsg_or_pdfpath);
 
        void toRenderPdf();
};