content/svg/content/src/nsSVGGradientElement.h
author Brian Birtles <birtles@gmail.com>
Sun, 25 Sep 2011 22:05:02 +0100
changeset 77561 dbde35bf04e94142be687c99b026bfe31a811fa0
parent 77554 b8fcaa2794f3280d3d9bef13cee477470cf19acf
child 77799 e7854b4d29ba905ae3994f821b160c989bac4260
permissions -rw-r--r--
Bug 602759 part 17 - Remove unnecessary BeforeSetAttr overrides; r=jwatt

/* -*- 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
 * Scooter Morris.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Scooter Morris <scootermorris@comcast.net>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either 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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 * decision by deleting the provisions above and replace them with the notice
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 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef __NS_SVGGRADIENTELEMENT_H__
#define __NS_SVGGRADIENTELEMENT_H__

#include "nsIDOMSVGURIReference.h"
#include "nsIDOMSVGGradientElement.h"
#include "nsIDOMSVGUnitTypes.h"
#include "nsSVGStylableElement.h"
#include "nsSVGLength2.h"
#include "nsSVGEnum.h"
#include "nsSVGString.h"
#include "SVGAnimatedTransformList.h"

//--------------------- Gradients------------------------

typedef nsSVGStylableElement nsSVGGradientElementBase;

class nsSVGGradientElement : public nsSVGGradientElementBase,
                             public nsIDOMSVGURIReference,
                             public nsIDOMSVGUnitTypes
{
  friend class nsSVGGradientFrame;

protected:
  nsSVGGradientElement(already_AddRefed<nsINodeInfo> aNodeInfo);

public:
  // interfaces:
  NS_DECL_ISUPPORTS_INHERITED

  // Gradient Element
  NS_DECL_NSIDOMSVGGRADIENTELEMENT

  // URI Reference
  NS_DECL_NSIDOMSVGURIREFERENCE

  // nsIContent
  NS_IMETHOD_(PRBool) IsAttributeMapped(const nsIAtom* aAttribute) const;

  virtual mozilla::SVGAnimatedTransformList* GetAnimatedTransformList();
  virtual nsIAtom* GetTransformListAttrName() const {
    return nsGkAtoms::gradientTransform;
  }

protected:
  virtual EnumAttributesInfo GetEnumInfo();
  virtual StringAttributesInfo GetStringInfo();

  enum { GRADIENTUNITS, SPREADMETHOD };
  nsSVGEnum mEnumAttributes[2];
  static nsSVGEnumMapping sSpreadMethodMap[];
  static EnumInfo sEnumInfo[2];

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

  // nsIDOMSVGGradientElement values
  nsAutoPtr<mozilla::SVGAnimatedTransformList> mGradientTransform;
};

//---------------------Linear Gradients------------------------

typedef nsSVGGradientElement nsSVGLinearGradientElementBase;

class nsSVGLinearGradientElement : public nsSVGLinearGradientElementBase,
                                   public nsIDOMSVGLinearGradientElement
{
  friend class nsSVGLinearGradientFrame;

protected:
  friend nsresult NS_NewSVGLinearGradientElement(nsIContent **aResult,
                                                 already_AddRefed<nsINodeInfo> aNodeInfo);
  nsSVGLinearGradientElement(already_AddRefed<nsINodeInfo> aNodeInfo);

public:
  // interfaces:
  NS_DECL_ISUPPORTS_INHERITED

  // Gradient Element
  NS_FORWARD_NSIDOMSVGGRADIENTELEMENT(nsSVGLinearGradientElementBase::)

  // Linear Gradient
  NS_DECL_NSIDOMSVGLINEARGRADIENTELEMENT

  // The Gradient Element base class implements these
  NS_FORWARD_NSIDOMSVGELEMENT(nsSVGLinearGradientElementBase::)

  NS_FORWARD_NSIDOMNODE(nsSVGLinearGradientElementBase::)
  NS_FORWARD_NSIDOMELEMENT(nsSVGLinearGradientElementBase::)

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

  virtual nsXPCClassInfo* GetClassInfo();
protected:

  virtual LengthAttributesInfo GetLengthInfo();

  // nsIDOMSVGLinearGradientElement values
  enum { X1, Y1, X2, Y2 };
  nsSVGLength2 mLengthAttributes[4];
  static LengthInfo sLengthInfo[4];
};

//-------------------------- Radial Gradients ----------------------------

typedef nsSVGGradientElement nsSVGRadialGradientElementBase;

class nsSVGRadialGradientElement : public nsSVGRadialGradientElementBase,
                                   public nsIDOMSVGRadialGradientElement
{
  friend class nsSVGRadialGradientFrame;

protected:
  friend nsresult NS_NewSVGRadialGradientElement(nsIContent **aResult,
                                                 already_AddRefed<nsINodeInfo> aNodeInfo);
  nsSVGRadialGradientElement(already_AddRefed<nsINodeInfo> aNodeInfo);

public:
  // interfaces:

  NS_DECL_ISUPPORTS_INHERITED

  // Gradient Element
  NS_FORWARD_NSIDOMSVGGRADIENTELEMENT(nsSVGRadialGradientElementBase::)

  // Radial Gradient
  NS_DECL_NSIDOMSVGRADIALGRADIENTELEMENT

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

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

  virtual nsXPCClassInfo* GetClassInfo();
protected:

  virtual LengthAttributesInfo GetLengthInfo();

  // nsIDOMSVGRadialGradientElement values
  enum { CX, CY, R, FX, FY };
  nsSVGLength2 mLengthAttributes[5];
  static LengthInfo sLengthInfo[5];
};

#endif