blob: cb8a15c2c9a8f5475f1a006a07db4ee1ccf97a1c [file] [log] [blame]
/*
* 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 "HTMLAppletElement.h"
#include "HTMLEmbedElement.h"
#include "HTMLFormElement.h"
#include "HTMLIFrameElement.h"
#include "HTMLImageElement.h"
#include "HTMLNames.h"
#include "HTMLObjectElement.h"
#include "NodeRareData.h"
#include "NodeTraversal.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
using namespace HTMLNames;
WTF_MAKE_ISO_ALLOCATED_IMPL(WindowNameCollection);
WTF_MAKE_ISO_ALLOCATED_IMPL(DocumentNameCollection);
bool WindowNameCollection::elementMatchesIfNameAttributeMatch(const Element& element)
{
return is<HTMLAppletElement>(element)
|| is<HTMLEmbedElement>(element)
|| is<HTMLFormElement>(element)
|| is<HTMLImageElement>(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.
return (elementMatchesIfNameAttributeMatch(element) && element.getNameAttribute().impl() == name)
|| element.getIdAttribute() == name;
}
static inline bool isObjectElementForDocumentNameCollection(const Element& element)
{
return is<HTMLObjectElement>(element) && downcast<HTMLObjectElement>(element).isExposed();
}
bool DocumentNameCollection::elementMatchesIfIdAttributeMatch(const Element& element)
{
// FIXME: We need to fix HTMLImageElement to update the hash map for us when the name attribute is removed.
return isObjectElementForDocumentNameCollection(element)
|| is<HTMLAppletElement>(element)
|| (is<HTMLImageElement>(element) && element.hasName());
}
bool DocumentNameCollection::elementMatchesIfNameAttributeMatch(const Element& element)
{
return isObjectElementForDocumentNameCollection(element)
|| is<HTMLAppletElement>(element)
|| is<HTMLEmbedElement>(element)
|| is<HTMLFormElement>(element)
|| is<HTMLIFrameElement>(element)
|| 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).
return (elementMatchesIfNameAttributeMatch(element) && element.getNameAttribute().impl() == name)
|| (elementMatchesIfIdAttributeMatch(element) && element.getIdAttribute().impl() == name);
}
}