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lightning-sunbird  0.9+nobinonly
nsCairoSurfaceManager.h
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00002 /* ***** BEGIN LICENSE BLOCK *****
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00015  * The Original Code is mozilla.org code.
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00022  * Contributor(s):
00023  *   Stuart Parmenter <pavlov@pavlov.net>
00024  *   Vladimir Vukicevic <vladimir@pobox.com>
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00026  * Alternatively, the contents of this file may be used under the terms of
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00039 
00040 #ifndef _NS_CAIROSURFACEMANAGER_H_
00041 #define _NS_CAIROSURFACEMANAGER_H_
00042 
00043 #include "gfxCore.h"
00044 
00045 #include <cairo.h>
00046 
00047 // someone who knows nsTHashTable can fix this
00048 #include <map>
00049 
00050 class nsIDrawingSurface;
00051 class nsCairoDrawingSurface;
00052 class nsCairoDeviceContext;
00053 class nsIWidget;
00054 
00055 class nsCairoSurfaceManager
00056 {
00057 public:
00058     nsCairoSurfaceManager();
00059     ~nsCairoSurfaceManager();
00060 
00061     NS_IMETHOD GetDrawingSurfaceForWidget (nsCairoDeviceContext *aDC, nsIWidget *aWidget, nsIDrawingSurface **aSurface);
00062     NS_IMETHOD GetDrawingSurfaceForNativeWidget (nsCairoDeviceContext *aDC, nsNativeWidget aWidget, nsIDrawingSurface **aSurface);
00063 
00064     NS_IMETHOD ReleaseSurface (nsIDrawingSurface *aSurface);
00065 
00066     // get rid of all cached surfaces
00067     NS_IMETHOD FlushCachedSurfaces ();
00068 
00069 private:
00070     typedef std::map<nsNativeWidget, nsCairoDrawingSurface*> WidgetToSurfaceMap;
00071     WidgetToSurfaceMap mSurfaceMap;
00072 };
00073 
00074 #endif /* _NS_CAIROSURFACEMANAGER_H_ */