content/svg/content/src/nsSVGStylableElement.h
author Boris Zbarsky <bzbarsky@mit.edu>
Thu, 05 Aug 2010 17:59:36 -0400
changeset 48944 e7b3d37b2bbd759749efb88a71fd97464bcd587c
parent 48124 58101a16aff7d619993819f642b117d940e7303e
child 64109 3baa29a2109cbce384e39413780b8c11c5b8144d
permissions -rw-r--r--
Bug 584293. Make .style faster. r=peterv

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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#ifndef __NS_SVGSTYLABLEELEMENT_H__
#define __NS_SVGSTYLABLEELEMENT_H__

#include "nsSVGElement.h"
#include "nsIDOMSVGStylable.h"
#include "nsIDOMSVGAnimatedString.h"
#include "nsAutoPtr.h"

typedef nsSVGElement nsSVGStylableElementBase;

class nsSVGStylableElement : public nsSVGStylableElementBase,
                             public nsIDOMSVGStylable
{
protected:
  nsSVGStylableElement(already_AddRefed<nsINodeInfo> aNodeInfo);

public:
  // interfaces:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIDOMSVGSTYLABLE

  // nsIContent
  virtual const nsAttrValue* DoGetClasses() const;

  // nsSVGElement
  virtual nsresult UnsetAttr(PRInt32 aNamespaceID, nsIAtom* aAttribute,
                             PRBool aNotify);

  nsIDOMCSSStyleDeclaration* GetStyle(nsresult* retval)
  {
    return nsSVGStylableElementBase::GetStyle(retval);
  }

protected:

  // nsSVGElement
  virtual PRBool ParseAttribute(PRInt32 aNamespaceID, nsIAtom* aName,
                                const nsAString& aValue,
                                nsAttrValue& aResult);

private:
  nsAutoPtr<nsAttrValue> mClassAnimAttr;

  const nsAttrValue* GetClassAnimAttr() const;
 
  void GetClassBaseValString(nsAString &aResult) const;
  void SetClassBaseValString(const nsAString& aValue);
  void GetClassAnimValString(nsAString& aResult) const;

  struct DOMAnimatedClassString : public nsIDOMSVGAnimatedString
  {
    NS_DECL_CYCLE_COLLECTING_ISUPPORTS
    NS_DECL_CYCLE_COLLECTION_CLASS(DOMAnimatedClassString)

    DOMAnimatedClassString(nsSVGStylableElement *aSVGElement)
      : mSVGElement(aSVGElement) {}

    nsRefPtr<nsSVGStylableElement> mSVGElement;

    NS_IMETHOD GetBaseVal(nsAString& aResult)
      { mSVGElement->GetClassBaseValString(aResult); return NS_OK; }
    NS_IMETHOD SetBaseVal(const nsAString& aValue)
      { mSVGElement->SetClassBaseValString(aValue); return NS_OK; }
    NS_IMETHOD GetAnimVal(nsAString& aResult)
      { mSVGElement->GetClassAnimValString(aResult); return NS_OK; }
  };
};


#endif // __NS_SVGSTYLABLEELEMENT_H__