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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2011, 2012 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "HTMLNameCollection.h"
#include "Element.h"
#include "HTMLDocument.h"
#include "HTMLFormElement.h"
#include "HTMLImageElement.h"
#include "HTMLNames.h"
#include "HTMLObjectElement.h"
#include "NodeRareData.h"
#include "NodeTraversal.h"
namespace WebCore {
using namespace HTMLNames;
bool WindowNameCollection::elementMatchesIfNameAttributeMatch(const Element& element)
{
return is<HTMLImageElement>(element) || is<HTMLFormElement>(element) || is<HTMLAppletElement>(element)
|| is<HTMLEmbedElement>(element) || is<HTMLObjectElement>(element);
}
bool WindowNameCollection::elementMatches(const Element& element, const AtomicStringImpl* name)
{
// Find only images, forms, applets, embeds and objects by name, but anything by id
if (elementMatchesIfNameAttributeMatch(element) && element.getNameAttribute().impl() == name)
return true;
return element.getIdAttribute().impl() == name;
}
bool DocumentNameCollection::elementMatchesIfIdAttributeMatch(const Element& element)
{
// FIXME: we need to fix HTMLImageElement to update the hash map for us when name attribute has been removed.
return is<HTMLAppletElement>(element) || (is<HTMLObjectElement>(element) && downcast<HTMLObjectElement>(element).isDocNamedItem())
|| (is<HTMLImageElement>(element) && element.hasName());
}
bool DocumentNameCollection::elementMatchesIfNameAttributeMatch(const Element& element)
{
return is<HTMLFormElement>(element) || is<HTMLEmbedElement>(element) || is<HTMLIFrameElement>(element)
|| is<HTMLAppletElement>(element) || (is<HTMLObjectElement>(element) && downcast<HTMLObjectElement>(element).isDocNamedItem())
|| is<HTMLImageElement>(element);
}
bool DocumentNameCollection::elementMatches(const Element& element, const AtomicStringImpl* name)
{
// Find images, forms, applets, embeds, objects and iframes by name, applets and object by id, and images by id
// but only if they have a name attribute (this very strange rule matches IE)
if (is<HTMLFormElement>(element) || is<HTMLEmbedElement>(element) || is<HTMLIFrameElement>(element))
return element.getNameAttribute().impl() == name;
if (is<HTMLAppletElement>(element))
return element.getNameAttribute().impl() == name || element.getIdAttribute().impl() == name;
if (is<HTMLObjectElement>(element))
return (element.getNameAttribute().impl() == name || element.getIdAttribute().impl() == name) && downcast<HTMLObjectElement>(element).isDocNamedItem();
if (is<HTMLImageElement>(element))
return element.getNameAttribute().impl() == name || (element.getIdAttribute().impl() == name && element.hasName());
return false;
}
}
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