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lightning-sunbird  0.9+nobinonly
nsDeviceContextBeOS.h
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00037 
00038 #ifndef nsDeviceContextBeOS_h___
00039 #define nsDeviceContextBeOS_h___
00040 
00041 #include "nsDeviceContext.h"
00042 #include "nsUnitConversion.h"
00043 #include "nsIWidget.h"
00044 #include "nsIView.h"
00045 #include "nsIRenderingContext.h"
00046 
00047 #include "nsRenderingContextBeOS.h"
00048 
00049 class nsDeviceContextBeOS : public DeviceContextImpl
00050 {
00051 public:
00052   nsDeviceContextBeOS();
00053   virtual ~nsDeviceContextBeOS();
00054 
00055   NS_IMETHOD  Init(nsNativeWidget aNativeWidget);
00056 
00057   NS_IMETHOD  CreateRenderingContext(nsIRenderingContext *&aContext);
00058   NS_IMETHOD  CreateRenderingContext(nsIView *aView, nsIRenderingContext *&aContext) {return (DeviceContextImpl::CreateRenderingContext(aView,aContext));} 
00059   NS_IMETHOD  CreateRenderingContext(nsIWidget *aWidget, nsIRenderingContext *&aContext) {return (DeviceContextImpl::CreateRenderingContext(aWidget,aContext));} 
00060  
00061   NS_IMETHOD  SupportsNativeWidgets(PRBool &aSupportsWidgets);
00062 
00063   NS_IMETHOD  GetScrollBarDimensions(float &aWidth, float &aHeight) const;
00064   NS_IMETHOD  GetSystemFont(nsSystemFontID anID, nsFont *aFont) const;
00065 
00066   NS_IMETHOD CheckFontExistence(const nsString& aFontName);
00067 
00068   NS_IMETHOD GetDeviceSurfaceDimensions(PRInt32 &aWidth, PRInt32 &aHeight);
00069   NS_IMETHOD GetClientRect(nsRect &aRect);
00070   NS_IMETHOD GetRect(nsRect &aRect);
00071 
00072   NS_IMETHOD GetDeviceContextFor(nsIDeviceContextSpec *aDevice,
00073                                  nsIDeviceContext *&aContext);
00074 
00075   NS_IMETHOD BeginDocument(PRUnichar * aTitle, PRUnichar* aPrintToFileName, PRInt32 aStartPage, PRInt32 aEndPage);
00076   NS_IMETHOD EndDocument(void);
00077 
00078   NS_IMETHOD BeginPage(void);
00079   NS_IMETHOD EndPage(void);
00080 
00081   NS_IMETHOD GetDepth(PRUint32& aDepth); 
00082  
00083   static int prefChanged(const char *aPref, void *aClosure); 
00084   nsresult   SetDPI(PRInt32 dpi); 
00085 
00086 private:
00087   PRUint32      mDepth;
00088   PRBool        mWriteable;
00089   PRUint32      mNumCells;
00090   PRInt16       mScrollbarHeight; 
00091   PRInt16       mScrollbarWidth;
00092   BFont         mMenuFont; 
00093   static nscoord mDpi; 
00094  
00095   float         mWidthFloat; 
00096   float         mHeightFloat; 
00097   PRInt32       mWidth; 
00098   PRInt32       mHeight; 
00099  
00100   nsresult GetSystemFontInfo(const BFont *font, nsSystemFontID anID, nsFont* aFont) const;
00101 };
00102 
00103 #endif /* nsDeviceContextBeOS_h___ */
00104