/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef __NS_SVGIMAGEELEMENT_H__
#define __NS_SVGIMAGEELEMENT_H__

#include "nsIDOMSVGImageElement.h"
#include "nsIDOMSVGURIReference.h"
#include "nsImageLoadingContent.h"
#include "nsSVGLength2.h"
#include "nsSVGPathGeometryElement.h"
#include "nsSVGString.h"
#include "SVGAnimatedPreserveAspectRatio.h"

typedef nsSVGPathGeometryElement nsSVGImageElementBase;

class nsSVGImageElement : public nsSVGImageElementBase,
                          public nsIDOMSVGImageElement,
                          public nsIDOMSVGURIReference,
                          public nsImageLoadingContent
{
  friend class nsSVGImageFrame;

protected:
  friend nsresult NS_NewSVGImageElement(nsIContent **aResult,
                                        already_AddRefed<nsINodeInfo> aNodeInfo);
  nsSVGImageElement(already_AddRefed<nsINodeInfo> aNodeInfo);
  virtual ~nsSVGImageElement();

public:
  typedef mozilla::SVGAnimatedPreserveAspectRatio SVGAnimatedPreserveAspectRatio;

  // interfaces:
  
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIDOMSVGIMAGEELEMENT
  NS_DECL_NSIDOMSVGURIREFERENCE

  // xxx I wish we could use virtual inheritance
  NS_FORWARD_NSIDOMNODE(nsSVGImageElementBase::)
  NS_FORWARD_NSIDOMELEMENT(nsSVGImageElementBase::)
  NS_FORWARD_NSIDOMSVGELEMENT(nsSVGImageElementBase::)

  // nsIContent interface
  virtual nsresult AfterSetAttr(PRInt32 aNamespaceID, nsIAtom* aName,
                                const nsAttrValue* aValue, bool aNotify);
  virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
                              nsIContent* aBindingParent,
                              bool aCompileEventHandlers);

  virtual nsEventStates IntrinsicState() const;

  NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* name) const;

  // nsSVGPathGeometryElement methods:
  virtual void ConstructPath(gfxContext *aCtx);

  // nsSVGSVGElement methods:
  virtual bool HasValidDimensions() const;

  virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;

  nsresult CopyInnerTo(nsGenericElement* aDest);

  void MaybeLoadSVGImage();

  bool IsImageSrcSetDisabled() const;

  virtual nsXPCClassInfo* GetClassInfo();

  virtual nsIDOMNode* AsDOMNode() { return this; }
protected:
  nsresult LoadSVGImage(bool aForce, bool aNotify);

  virtual LengthAttributesInfo GetLengthInfo();
  virtual SVGAnimatedPreserveAspectRatio *GetPreserveAspectRatio();
  virtual StringAttributesInfo GetStringInfo();

  enum { X, Y, WIDTH, HEIGHT };
  nsSVGLength2 mLengthAttributes[4];
  static LengthInfo sLengthInfo[4];

  SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;

  enum { HREF };
  nsSVGString mStringAttributes[1];
  static StringInfo sStringInfo[1];
};

#endif
