gecko/layout/style/nsDOMCSSAttrDeclaration.h

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 * The Initial Developer of the Original Code is
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/* DOM object for element.style */

#ifndef nsDOMCSSAttributeDeclaration_h
#define nsDOMCSSAttributeDeclaration_h

#include "nsDOMCSSDeclaration.h"

#include "nsAutoPtr.h"
#include "nsString.h"
#include "nsWrapperCache.h"

namespace mozilla {
namespace css {
class Loader;
}

namespace dom {
class Element;
}
}

class nsDOMCSSAttributeDeclaration : public nsDOMCSSDeclaration,
                                     public nsWrapperCache
{
public:
  typedef mozilla::dom::Element Element;
  nsDOMCSSAttributeDeclaration(Element* aContent
#ifdef MOZ_SMIL
                               , PRBool aIsSMILOverride
#endif // MOZ_SMIL
                               );
  ~nsDOMCSSAttributeDeclaration();

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsDOMCSSAttributeDeclaration,
                                           nsICSSDeclaration)

  // If GetCSSDeclaration returns non-null, then the decl it returns
  // is owned by our current style rule.
  virtual mozilla::css::Declaration* GetCSSDeclaration(PRBool aAllocate);
  virtual nsresult GetCSSParsingEnvironment(nsIURI** aSheetURI,
                                            nsIURI** aBaseURI,
                                            nsIPrincipal** aSheetPrincipal,
                                            mozilla::css::Loader** aCSSLoader);
  NS_IMETHOD GetParentRule(nsIDOMCSSRule **aParent);

  virtual nsINode* GetParentObject();

protected:
  virtual nsresult SetCSSDeclaration(mozilla::css::Declaration* aDecl);
  virtual nsIDocument* DocToUpdate();

  nsRefPtr<Element> mElement;

#ifdef MOZ_SMIL
  /* If true, this indicates that this nsDOMCSSAttributeDeclaration
   * should interact with mContent's SMIL override style rule (rather
   * than the inline style rule).
   */
  const PRBool mIsSMILOverride;
#endif // MOZ_SMIL
};

#endif /* nsDOMCSSAttributeDeclaration_h */