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nsXMLEventsElement.cpp

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * 1.1 (the "License"); you may not use this file except in compliance with
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 * http://www.mozilla.org/MPL/
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 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Olli Pettay.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Olli Pettay <Olli.Pettay@helsinki.fi> (original author)
 *
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#include "nsXMLElement.h"
#include "nsGkAtoms.h"
#include "nsIDocument.h"

class nsXMLEventsElement : public nsXMLElement {
public:
  nsXMLEventsElement(nsINodeInfo *aNodeInfo);
  virtual ~nsXMLEventsElement();
  NS_FORWARD_NSIDOMNODE(nsXMLElement::)

  virtual nsIAtom *GetIDAttributeName() const;
  virtual nsresult SetAttr(PRInt32 aNameSpaceID, nsIAtom* aName, 
                           nsIAtom* aPrefix, const nsAString& aValue,
                           PRBool aNotify);
  virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
};

nsXMLEventsElement::nsXMLEventsElement(nsINodeInfo *aNodeInfo)
  : nsXMLElement(aNodeInfo)
{
}

nsXMLEventsElement::~nsXMLEventsElement()
{
}

nsIAtom *
nsXMLEventsElement::GetIDAttributeName() const
{
  if (mNodeInfo->Equals(nsGkAtoms::listener))
    return nsGkAtoms::id;
  return nsXMLElement::GetIDAttributeName();
}

nsresult
nsXMLEventsElement::SetAttr(PRInt32 aNameSpaceID, nsIAtom* aName, nsIAtom* aPrefix,
                            const nsAString& aValue, PRBool aNotify)
{
  if (mNodeInfo->Equals(nsGkAtoms::listener) && 
      mNodeInfo->GetDocument() && aNameSpaceID == kNameSpaceID_None && 
      aName == nsGkAtoms::event)
    mNodeInfo->GetDocument()->AddXMLEventsContent(this);
  return nsXMLElement::SetAttr(aNameSpaceID, aName, aPrefix, aValue,
                                   aNotify);
}

NS_IMPL_ELEMENT_CLONE(nsXMLEventsElement)

nsresult
NS_NewXMLEventsElement(nsIContent** aInstancePtrResult, nsINodeInfo *aNodeInfo)
{
  nsXMLEventsElement* it = new nsXMLEventsElement(aNodeInfo);
  if (!it) {
    return NS_ERROR_OUT_OF_MEMORY;
  }
  NS_ADDREF(*aInstancePtrResult = it);
  return NS_OK;
}


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