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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2006-2008, 2010, 2013-2014 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 "LiveNodeList.h"
#include "ClassNodeList.h"
#include "Element.h"
#include "ElementTraversal.h"
#include "HTMLCollection.h"
#include "TagNodeList.h"
namespace WebCore {
LiveNodeList::LiveNodeList(ContainerNode& ownerNode, NodeListInvalidationType invalidationType)
: m_ownerNode(ownerNode)
, m_invalidationType(invalidationType)
, m_isRegisteredForInvalidationAtDocument(false)
{
ASSERT(m_invalidationType == static_cast<unsigned>(invalidationType));
}
LiveNodeList::~LiveNodeList()
{
}
ContainerNode& LiveNodeList::rootNode() const
{
if (isRootedAtDocument() && ownerNode().inDocument())
return ownerNode().document();
return ownerNode();
}
Node* LiveNodeList::namedItem(const AtomicString& elementId) const
{
// FIXME: Why doesn't this look into the name attribute like HTMLCollection::namedItem does?
Node& rootNode = this->rootNode();
if (rootNode.inDocument()) {
Element* element = rootNode.treeScope().getElementById(elementId);
if (element && elementMatches(*element) && element->isDescendantOf(&rootNode))
return element;
if (!element)
return nullptr;
// In the case of multiple nodes with the same name, just fall through.
}
unsigned length = this->length();
for (unsigned i = 0; i < length; i++) {
Node* node = item(i);
if (!node->isElementNode())
continue;
Element* element = toElement(node);
// FIXME: This should probably be using getIdAttribute instead of idForStyleResolution.
if (element->hasID() && element->idForStyleResolution() == elementId)
return node;
}
return nullptr;
}
} // namespace WebCore
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