1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2004, 2006-2008, 2010, 2013-2014 Apple Inc. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#include "config.h"
24#include "LiveNodeList.h"
25
26#include "ClassCollection.h"
27#include "Element.h"
28#include "ElementTraversal.h"
29#include "HTMLCollection.h"
30#include <wtf/IsoMallocInlines.h>
31
32namespace WebCore {
33
34WTF_MAKE_ISO_ALLOCATED_IMPL(LiveNodeList);
35
36LiveNodeList::LiveNodeList(ContainerNode& ownerNode, NodeListInvalidationType invalidationType)
37 : m_ownerNode(ownerNode)
38 , m_invalidationType(invalidationType)
39 , m_isRegisteredForInvalidationAtDocument(false)
40{
41 ASSERT(m_invalidationType == static_cast<unsigned>(invalidationType));
42}
43
44LiveNodeList::~LiveNodeList() = default;
45
46ContainerNode& LiveNodeList::rootNode() const
47{
48 if (isRootedAtDocument() && ownerNode().isConnected())
49 return ownerNode().document();
50
51 return ownerNode();
52}
53
54} // namespace WebCore
55