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#ifndef nsDeviceContextSpecWin_h___
#define nsDeviceContextSpecWin_h___

#include "nsCOMPtr.h"
#include "nsIDeviceContextSpec.h"
#include "nsIPrintOptions.h" // For nsIPrinterEnumerator
#include "nsIPrintSettings.h"
#include <windows.h>

class nsDeviceContextSpecWin : public nsIDeviceContextSpec
{
public:
  nsDeviceContextSpecWin();

  NS_DECL_ISUPPORTS

  NS_IMETHOD Init(nsIWidget* aWidget, nsIPrintSettings* aPS, PRBool aIsPrintPreview);

  void GetDriverName(char *&aDriverName) const   { aDriverName = mDriverName;     }
  void GetDeviceName(char *&aDeviceName) const   { aDeviceName = mDeviceName;     }

  // The GetDevMode will return a pointer to a DevMode
  // whether it is from the Global memory handle or just the DevMode
  // To get the DevMode from the Global memory Handle it must lock it 
  // So this call must be paired with a call to UnlockGlobalHandle
  void GetDevMode(LPDEVMODE &aDevMode);

  // helper functions
  nsresult GetDataFromPrinter(const PRUnichar * aName, nsIPrintSettings* aPS = nsnull);

  static nsresult SetPrintSettingsFromDevMode(nsIPrintSettings* aPrintSettings, 
                                              LPDEVMODE         aDevMode);

protected:

  void SetDeviceName(char* aDeviceName);
  void SetDriverName(char* aDriverName);
  void SetDevMode(LPDEVMODE aDevMode);

  void SetupPaperInfoFromSettings();

  virtual ~nsDeviceContextSpecWin();

  char*     mDriverName;
  char*     mDeviceName;
  LPDEVMODE mDevMode;

  nsCOMPtr<nsIPrintSettings> mPrintSettings;
};


//-------------------------------------------------------------------------
// Printer Enumerator
//-------------------------------------------------------------------------
class nsPrinterEnumeratorWin : public nsIPrinterEnumerator
{
public:
  nsPrinterEnumeratorWin();
  ~nsPrinterEnumeratorWin();
  NS_DECL_ISUPPORTS
  NS_DECL_NSIPRINTERENUMERATOR

private:
  // helper 
  nsresult DoEnumeratePrinters(PRBool aDoExtended, PRUint32* aCount, PRUnichar*** aResult);
};

#endif
