/* -*- 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) 2001
 * 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 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
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * 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 ----- */

#include "nsSVGGraphicElement.h"
#include "nsIDOMSVGGElement.h"
#include "nsSVGAtoms.h"

typedef nsSVGGraphicElement nsSVGGElementBase;

class nsSVGGElement : public nsSVGGElementBase,
                      public nsIDOMSVGGElement
{
protected:
  friend nsresult NS_NewSVGGElement(nsIContent **aResult,
                                    nsINodeInfo *aNodeInfo);
  nsSVGGElement();
  virtual ~nsSVGGElement();
  
public:
  // interfaces:
  
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIDOMSVGGELEMENT

  // xxx I wish we could use virtual inheritance
  NS_FORWARD_NSIDOMNODE_NO_CLONENODE(nsSVGGElementBase::)
  NS_FORWARD_NSIDOMELEMENT(nsSVGGElementBase::)
  NS_FORWARD_NSIDOMSVGELEMENT(nsSVGGElementBase::)

  // nsIStyledContent
  NS_IMETHOD_(PRBool) IsAttributeMapped(const nsIAtom* aAttribute) const;
protected:
};

////////////////////////////////////////////////////////////////////////
// implementation

nsresult NS_NewSVGGElement(nsIContent **aResult, nsINodeInfo *aNodeInfo)
{
  *aResult = nsnull;
  nsSVGGElement* it = new nsSVGGElement();

  if (!it) return NS_ERROR_OUT_OF_MEMORY;
  NS_ADDREF(it);

  nsresult rv = it->Init(aNodeInfo);

  if (NS_FAILED(rv)) {
    it->Release();
    return rv;
  }
  
  *aResult = it;

  return NS_OK;
}

//----------------------------------------------------------------------
// nsISupports methods

NS_IMPL_ADDREF_INHERITED(nsSVGGElement,nsSVGGElementBase)
NS_IMPL_RELEASE_INHERITED(nsSVGGElement,nsSVGGElementBase)

NS_INTERFACE_MAP_BEGIN(nsSVGGElement)
  NS_INTERFACE_MAP_ENTRY(nsIDOMNode)
  NS_INTERFACE_MAP_ENTRY(nsIDOMElement)
  NS_INTERFACE_MAP_ENTRY(nsIDOMSVGElement)
  NS_INTERFACE_MAP_ENTRY(nsIDOMSVGGElement)
  NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(SVGGElement)
NS_INTERFACE_MAP_END_INHERITING(nsSVGGElementBase)

//----------------------------------------------------------------------
// Implementation

nsSVGGElement::nsSVGGElement()
{

}

nsSVGGElement::~nsSVGGElement()
{

}

//----------------------------------------------------------------------
// nsIDOMNode methods

NS_IMETHODIMP
nsSVGGElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
{
  *aReturn = nsnull;
  nsSVGGElement* it = new nsSVGGElement();

  if (!it) return NS_ERROR_OUT_OF_MEMORY;
  NS_ADDREF(it);

  nsresult rv = it->Init(mNodeInfo);

  if (NS_FAILED(rv)) {
    it->Release();
    return rv;
  }

  rv = CopyNode(it, aDeep);

  if (NS_FAILED(rv)) {
    it->Release();
    return rv;
  }
 
  *aReturn = it;

  return NS_OK; 
}

//----------------------------------------------------------------------
// nsIStyledContent methods

NS_IMETHODIMP_(PRBool)
nsSVGGElement::IsAttributeMapped(const nsIAtom* name) const
{
  static const MappedAttributeEntry* const map[] = {
    sTextContentElementsMap,
    sFontSpecificationMap
  };
  
  return FindAttributeDependence(name, map, NS_ARRAY_LENGTH(map)) ||
    nsSVGGElementBase::IsAttributeMapped(name);
}
