content/svg/content/src/nsSVGImageElement.h
author David Anderson <danderson@mozilla.com>
Mon, 30 Apr 2012 12:53:32 -0700
changeset 112429 44911569fb04d891073656cac1f794495723f573
parent 112365 c95bd17c4ae77baa34324a9e790b5684254830eb
parent 96465 d470016df45dfa3141e2585f21d2ed09b9ace7f6
child 112525 80e4ab0d24bc64ceaa7693ab5def36faffde7a40
permissions -rw-r--r--
Merge from mozilla-central.

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Mozilla SVG project.
 *
 * The Initial Developer of the Original Code is
 * Crocodile Clips Ltd..
 * Portions created by the Initial Developer are Copyright (C) 2003
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Alex Fritze <alex.fritze@crocodile-clips.com> (original author)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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#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) const;

  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