1/*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#pragma once
32
33#include <wtf/RefCounted.h>
34#include <wtf/RefPtr.h>
35#include <wtf/text/WTFString.h>
36
37namespace JSC {
38
39class SlotVisitor;
40
41}
42
43namespace WebCore {
44
45class CharacterData;
46class ContainerNode;
47class Element;
48class Node;
49class NodeList;
50class QualifiedName;
51
52class MutationRecord : public RefCounted<MutationRecord> {
53public:
54 static Ref<MutationRecord> createChildList(ContainerNode& target, Ref<NodeList>&& added, Ref<NodeList>&& removed, RefPtr<Node>&& previousSibling, RefPtr<Node>&& nextSibling);
55 static Ref<MutationRecord> createAttributes(Element& target, const QualifiedName&, const AtomicString& oldValue);
56 static Ref<MutationRecord> createCharacterData(CharacterData& target, const String& oldValue);
57
58 static Ref<MutationRecord> createWithNullOldValue(MutationRecord&);
59
60 virtual ~MutationRecord();
61
62 virtual const AtomicString& type() = 0;
63 virtual Node* target() = 0;
64
65 virtual NodeList* addedNodes() = 0;
66 virtual NodeList* removedNodes() = 0;
67 virtual Node* previousSibling() { return 0; }
68 virtual Node* nextSibling() { return 0; }
69
70 virtual const AtomicString& attributeName() { return nullAtom(); }
71 virtual const AtomicString& attributeNamespace() { return nullAtom(); }
72
73 virtual String oldValue() { return String(); }
74
75 virtual void visitNodesConcurrently(JSC::SlotVisitor&) const = 0;
76};
77
78} // namespace WebCore
79