#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