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nsIStyledContent.h
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00037 #ifndef nsIStyledContent_h___
00038 #define nsIStyledContent_h___
00039 
00040 #include "nsIContent.h"
00041 #include "nsChangeHint.h"
00042 
00043 class nsString;
00044 class nsICSSStyleRule;
00045 class nsISupportsArray;
00046 class nsRuleWalker;
00047 class nsAttrValue;
00048 
00049 // IID for the nsIStyledContent class
00050 #define NS_ISTYLEDCONTENT_IID   \
00051 { 0xa7b53093, 0x3516, 0x4392, { 0xb3, 0x3e, 0x12, 0xc0, 0x0d, 0xe7, 0x85, 0xaa } };
00052 
00053 // Abstract interface for all styled content (that supports ID, CLASS, STYLE, and
00054 // the ability to specify style hints on an attribute change).
00055 class nsIStyledContent : public nsIContent {
00056 public:
00057   NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISTYLEDCONTENT_IID)
00058 
00059   // XXX Currently callers (e.g., CSSStyleSheetImpl) assume that the ID
00060   // corresponds to the attribute nsHTMLAtoms::id and that the Class
00061   // corresponds to the attribute nsHTMLAtoms::kClass.  If this becomes
00062   // incorrect, then new methods need to be added here.
00063   virtual nsIAtom* GetID() const = 0;
00064   virtual const nsAttrValue* GetClasses() const = 0;
00065   NS_IMETHOD_(PRBool) HasClass(nsIAtom* aClass, PRBool aCaseSensitive) const = 0;
00066 
00067   NS_IMETHOD WalkContentStyleRules(nsRuleWalker* aRuleWalker) = 0;
00068 
00069   virtual nsICSSStyleRule* GetInlineStyleRule() = 0;
00070   NS_IMETHOD SetInlineStyleRule(nsICSSStyleRule* aStyleRule, PRBool aNotify) = 0;
00071 
00077   NS_IMETHOD_(PRBool) IsAttributeMapped(const nsIAtom* aAttribute) const = 0;
00078 
00079 
00086   virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
00087                                               PRInt32 aModType) const = 0;
00088 
00089 
00095   virtual nsIAtom *GetClassAttributeName() const = 0;
00096 
00097 };
00098 
00099 #endif /* nsIStyledContent_h___ */