Mozilla/mozilla/layout/html/content/src/nsHTMLHeadElement.cpp

142 lines
3.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsIDOMHTMLHeadElement.h"
#include "nsIScriptObjectOwner.h"
#include "nsIDOMEventReceiver.h"
#include "nsIHTMLContent.h"
#include "nsGenericHTMLElement.h"
#include "nsHTMLAtoms.h"
#include "nsHTMLIIDs.h"
#include "nsIStyleContext.h"
#include "nsIMutableStyleContext.h"
#include "nsStyleConsts.h"
#include "nsIPresContext.h"
class nsHTMLHeadElement : public nsGenericHTMLContainerElement,
public nsIDOMHTMLHeadElement
{
public:
nsHTMLHeadElement();
virtual ~nsHTMLHeadElement();
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
// nsIDOMNode
NS_FORWARD_IDOMNODE_NO_CLONENODE(nsGenericHTMLContainerElement::)
// nsIDOMElement
NS_FORWARD_IDOMELEMENT(nsGenericHTMLContainerElement::)
// nsIDOMHTMLElement
NS_FORWARD_IDOMHTMLELEMENT(nsGenericHTMLContainerElement::)
// nsIDOMHTMLHeadElement
NS_DECL_IDOMHTMLHEADELEMENT
NS_IMETHOD SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const;
};
nsresult
NS_NewHTMLHeadElement(nsIHTMLContent** aInstancePtrResult,
nsINodeInfo *aNodeInfo)
{
NS_ENSURE_ARG_POINTER(aInstancePtrResult);
nsHTMLHeadElement* it = new nsHTMLHeadElement();
if (!it) {
return NS_ERROR_OUT_OF_MEMORY;
}
nsresult rv = it->Init(aNodeInfo);
if (NS_FAILED(rv)) {
delete it;
return rv;
}
*aInstancePtrResult = NS_STATIC_CAST(nsIHTMLContent *, it);
NS_ADDREF(*aInstancePtrResult);
return NS_OK;
}
nsHTMLHeadElement::nsHTMLHeadElement()
{
}
nsHTMLHeadElement::~nsHTMLHeadElement()
{
}
NS_IMPL_ADDREF_INHERITED(nsHTMLHeadElement, nsGenericElement);
NS_IMPL_RELEASE_INHERITED(nsHTMLHeadElement, nsGenericElement);
NS_IMPL_HTMLCONTENT_QI(nsHTMLHeadElement, nsGenericHTMLContainerElement,
nsIDOMHTMLHeadElement);
nsresult
nsHTMLHeadElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
{
NS_ENSURE_ARG_POINTER(aReturn);
*aReturn = nsnull;
nsHTMLHeadElement* it = new nsHTMLHeadElement();
if (!it) {
return NS_ERROR_OUT_OF_MEMORY;
}
nsCOMPtr<nsIDOMNode> kungFuDeathGrip(it);
nsresult rv = it->Init(mNodeInfo);
if (NS_FAILED(rv))
return rv;
CopyInnerTo(this, it, aDeep);
*aReturn = NS_STATIC_CAST(nsIDOMNode *, it);
NS_ADDREF(*aReturn);
return NS_OK;
}
NS_IMPL_STRING_ATTR(nsHTMLHeadElement, Profile, profile)
NS_IMETHODIMP
nsHTMLHeadElement::SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const
{
*aResult = sizeof(*this) + BaseSizeOf(aSizer);
return NS_OK;
}