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nsIAnonymousContentCreator.h
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00037 
00038 
00039 #ifndef nsIAnonymousContentCreator_h___
00040 #define nsIAnonymousContentCreator_h___
00041 
00042 #include "nsISupports.h"
00043 #include "nsIContent.h"
00044 #include "nsCOMPtr.h"
00045 
00046 class nsPresContext;
00047 class nsISupportsArray;
00048 class nsIAtom;
00049 class nsIFrame;
00050 
00051 
00052 // {41a69e00-2d6d-11d3-b033-a1357139787c}
00053 #define NS_IANONYMOUS_CONTENT_CREATOR_IID { 0x41a69e00, 0x2d6d, 0x11d3, { 0xb0, 0x33, 0xa1, 0x35, 0x71, 0x39, 0x78, 0x7c } }
00054 
00055 
00061 class nsIAnonymousContentCreator : public nsISupports {
00062 public:
00063      NS_DEFINE_STATIC_IID_ACCESSOR(NS_IANONYMOUS_CONTENT_CREATOR_IID)
00064      NS_IMETHOD CreateAnonymousContent(nsPresContext* aPresContext,
00065                                        nsISupportsArray& aAnonymousItems)=0;
00066 
00067      // If the creator doesn't want to create a special frame or frame hierarchy
00068      // then it should null out aFrame and return NS_ERROR_FAILURE
00069      NS_IMETHOD CreateFrameFor(nsPresContext*   aPresContext,
00070                                nsIContent *      aContent,
00071                                nsIFrame**        aFrame)=0;
00072 
00073      // This gets called after the frames for the anonymous content have been
00074      // created and added to the frame tree. By default it does nothing.
00075      virtual void PostCreateFrames() {}
00076 };
00077 
00078 nsresult NS_CreateAnonymousNode(nsIContent* aParent, nsIAtom* aTag, PRInt32 aNameSpaceId, nsCOMPtr<nsIContent>& aNewNode);
00079 
00080 
00081 #endif
00082