#ifndef _PRINTER_DRIVER_H
#define _PRINTER_DRIVER_H


#include <SupportDefs.h>


class BFile;
class BMessage;
class BNode;
class PrinterCap;
class PrinterData;
class GraphicsDriver;

#define kAttrPageSettings "libprint/page_settings"
#define kAttrJobSettings  "libprint/job_settings"

class PrinterDriver {
public:
                                                        PrinterDriver(BNode* spoolFolder);
        virtual                                 ~PrinterDriver();

        virtual const char*             GetSignature() const = 0;
        virtual const char*             GetDriverName() const = 0;
        virtual const char*             GetVersion() const = 0;
        virtual const char*             GetCopyright() const = 0;

        virtual PrinterCap*             InstantiatePrinterCap(PrinterData* printerData) = 0;
        virtual PrinterData*    InstantiatePrinterData(BNode* node);
        virtual GraphicsDriver* InstantiateGraphicsDriver(BMessage* settings,
                                                                PrinterData* printerData,
                                                                PrinterCap* printerCap) = 0;
        
                        void                    InitPrinterDataAndCap();

        virtual void                    About();
        virtual char*                   AddPrinter(char* printerName);
                        BMessage*               ConfigPage(BMessage* settings);
                        BMessage*               ConfigJob(BMessage* settings);
                        BMessage*               TakeJob(BFile* printJob, BMessage* settings);

protected:
                        PrinterData*    GetPrinterData() { return fPrinterData; }
                        PrinterCap*             GetPrinterCap() { return fPrinterCap; }

private:
                        bool                    _ReadSettings(const char* attrName,
                                                                BMessage* settings);
                        void                    _WriteSettings(const char* attrName,
                                                                BMessage* settings);
                        void                    _MergeWithPreviousSettings(const char* attrName,
                                                                BMessage* settings);

        BNode*          fSpoolFolder;
        PrinterData*    fPrinterData;
        PrinterCap*     fPrinterCap;
        GraphicsDriver* fGraphicsDriver;
};

PrinterDriver* instantiate_printer_driver(BNode* printerFolder = NULL);

#endif  // _PRINTER_DRIVER_H