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nsDeviceContextSpecWin.h
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00015  * The Original Code is mozilla.org code.
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00017  * The Initial Developer of the Original Code is
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00024  * Alternatively, the contents of this file may be used under the terms of
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00037 
00038 #ifndef nsDeviceContextSpecWin_h___
00039 #define nsDeviceContextSpecWin_h___
00040 
00041 #include "nsCOMPtr.h"
00042 #include "nsIDeviceContextSpec.h"
00043 #include "nsIPrintOptions.h" // For nsIPrinterEnumerator
00044 #include "nsIPrintSettings.h"
00045 #include <windows.h>
00046 
00047 class nsDeviceContextSpecWin : public nsIDeviceContextSpec
00048 {
00049 public:
00050   nsDeviceContextSpecWin();
00051 
00052   NS_DECL_ISUPPORTS
00053 
00054   NS_IMETHOD Init(nsIWidget* aWidget, nsIPrintSettings* aPS, PRBool aIsPrintPreview);
00055 
00056   void GetDriverName(char *&aDriverName) const   { aDriverName = mDriverName;     }
00057   void GetDeviceName(char *&aDeviceName) const   { aDeviceName = mDeviceName;     }
00058 
00059   // The GetDevMode will return a pointer to a DevMode
00060   // whether it is from the Global memory handle or just the DevMode
00061   // To get the DevMode from the Global memory Handle it must lock it 
00062   // So this call must be paired with a call to UnlockGlobalHandle
00063   void GetDevMode(LPDEVMODE &aDevMode);
00064 
00065   // helper functions
00066   nsresult GetDataFromPrinter(const PRUnichar * aName, nsIPrintSettings* aPS = nsnull);
00067 
00068   static nsresult SetPrintSettingsFromDevMode(nsIPrintSettings* aPrintSettings, 
00069                                               LPDEVMODE         aDevMode);
00070 
00071 protected:
00072 
00073   void SetDeviceName(char* aDeviceName);
00074   void SetDriverName(char* aDriverName);
00075   void SetDevMode(LPDEVMODE aDevMode);
00076 
00077   void SetupPaperInfoFromSettings();
00078 
00079   virtual ~nsDeviceContextSpecWin();
00080 
00081   char*     mDriverName;
00082   char*     mDeviceName;
00083   LPDEVMODE mDevMode;
00084 
00085   nsCOMPtr<nsIPrintSettings> mPrintSettings;
00086 };
00087 
00088 
00089 //-------------------------------------------------------------------------
00090 // Printer Enumerator
00091 //-------------------------------------------------------------------------
00092 class nsPrinterEnumeratorWin : public nsIPrinterEnumerator
00093 {
00094 public:
00095   nsPrinterEnumeratorWin();
00096   ~nsPrinterEnumeratorWin();
00097   NS_DECL_ISUPPORTS
00098   NS_DECL_NSIPRINTERENUMERATOR
00099 
00100 private:
00101   // helper 
00102   nsresult DoEnumeratePrinters(PRBool aDoExtended, PRUint32* aCount, PRUnichar*** aResult);
00103 };
00104 
00105 #endif