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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2001 Dirk Mueller (mueller@kde.org) | 4 * (C) 2001 Dirk Mueller (mueller@kde.org) |
5 * Copyright (C) 2004, 2007 Apple Inc. All rights reserved. | 5 * Copyright (C) 2004, 2007 Apple Inc. All rights reserved. |
6 * Copyright (C) 2014 Samsung Electronics. All rights reserved. | 6 * Copyright (C) 2014 Samsung Electronics. All rights reserved. |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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26 #define ChildNodeList_h | 26 #define ChildNodeList_h |
27 | 27 |
28 #include "core/dom/NodeList.h" | 28 #include "core/dom/NodeList.h" |
29 #include "core/html/CollectionIndexCache.h" | 29 #include "core/html/CollectionIndexCache.h" |
30 #include "wtf/PassRefPtr.h" | 30 #include "wtf/PassRefPtr.h" |
31 | 31 |
32 namespace WebCore { | 32 namespace WebCore { |
33 | 33 |
34 class ChildNodeList FINAL : public NodeList { | 34 class ChildNodeList FINAL : public NodeList { |
35 public: | 35 public: |
36 static PassRefPtr<ChildNodeList> create(ContainerNode& rootNode) | 36 static PassRefPtrWillBeRawPtr<ChildNodeList> create(ContainerNode& rootNode) |
37 { | 37 { |
38 return adoptRef(new ChildNodeList(rootNode)); | 38 return adoptRefWillBeNoop(new ChildNodeList(rootNode)); |
39 } | 39 } |
40 | 40 |
41 virtual ~ChildNodeList(); | 41 virtual ~ChildNodeList(); |
42 | 42 |
43 // DOM API. | 43 // DOM API. |
44 virtual unsigned length() const OVERRIDE { return m_collectionIndexCache.nod
eCount(*this); } | 44 virtual unsigned length() const OVERRIDE { return m_collectionIndexCache.nod
eCount(*this); } |
45 virtual Node* item(unsigned index) const OVERRIDE { return m_collectionIndex
Cache.nodeAt(*this, index); } | 45 virtual Node* item(unsigned index) const OVERRIDE { return m_collectionIndex
Cache.nodeAt(*this, index); } |
46 | 46 |
47 // Non-DOM API. | 47 // Non-DOM API. |
48 void invalidateCache() { m_collectionIndexCache.invalidate(); } | 48 void invalidateCache() { m_collectionIndexCache.invalidate(); } |
49 ContainerNode& ownerNode() const { return *m_parent; } | 49 ContainerNode& ownerNode() const { return *m_parent; } |
50 | 50 |
51 ContainerNode& rootNode() const { return ownerNode(); } | 51 ContainerNode& rootNode() const { return ownerNode(); } |
52 | 52 |
53 // CollectionIndexCache API. | 53 // CollectionIndexCache API. |
54 bool canTraverseBackward() const { return true; } | 54 bool canTraverseBackward() const { return true; } |
55 Node* traverseToFirstElement() const { return rootNode().firstChild(); } | 55 Node* traverseToFirstElement() const { return rootNode().firstChild(); } |
56 Node* traverseToLastElement() const { return rootNode().lastChild(); } | 56 Node* traverseToLastElement() const { return rootNode().lastChild(); } |
57 Node* traverseForwardToOffset(unsigned offset, Node& currentNode, unsigned&
currentOffset) const; | 57 Node* traverseForwardToOffset(unsigned offset, Node& currentNode, unsigned&
currentOffset) const; |
58 Node* traverseBackwardToOffset(unsigned offset, Node& currentNode, unsigned&
currentOffset) const; | 58 Node* traverseBackwardToOffset(unsigned offset, Node& currentNode, unsigned&
currentOffset) const; |
59 | 59 |
| 60 virtual void trace(Visitor*) OVERRIDE; |
| 61 |
60 private: | 62 private: |
61 explicit ChildNodeList(ContainerNode& rootNode); | 63 explicit ChildNodeList(ContainerNode& rootNode); |
62 | 64 |
63 virtual bool isChildNodeList() const OVERRIDE { return true; } | 65 virtual bool isChildNodeList() const OVERRIDE { return true; } |
64 virtual Node* virtualOwnerNode() const OVERRIDE; | 66 virtual Node* virtualOwnerNode() const OVERRIDE; |
65 | 67 |
66 RefPtr<ContainerNode> m_parent; | 68 RefPtrWillBeMember<ContainerNode> m_parent; |
67 mutable CollectionIndexCache<ChildNodeList, Node> m_collectionIndexCache; | 69 mutable CollectionIndexCache<ChildNodeList, Node> m_collectionIndexCache; |
68 }; | 70 }; |
69 | 71 |
70 DEFINE_TYPE_CASTS(ChildNodeList, NodeList, nodeList, nodeList->isChildNodeList()
, nodeList.isChildNodeList()); | 72 DEFINE_TYPE_CASTS(ChildNodeList, NodeList, nodeList, nodeList->isChildNodeList()
, nodeList.isChildNodeList()); |
71 | 73 |
72 } // namespace WebCore | 74 } // namespace WebCore |
73 | 75 |
74 #endif // ChildNodeList_h | 76 #endif // ChildNodeList_h |
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