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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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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.get(); } | 49 ContainerNode& ownerNode() const { return *m_parent; } |
50 | 50 |
51 // CollectionIndexCache API. | 51 // CollectionIndexCache API. |
52 ContainerNode& rootNode() const { return *m_parent; } | 52 ContainerNode& rootNode() const { return ownerNode(); } |
53 bool canTraverseBackward() const { return true; } | 53 bool canTraverseBackward() const { return true; } |
54 Node* itemBefore(const Node* previousItem) const; | 54 Node* itemBefore(const Node* previousItem) const; |
55 Node* traverseToFirstElement(const ContainerNode& root) const { return root.
firstChild(); } | 55 Node* traverseToFirstElement(const ContainerNode& root) const { return root.
firstChild(); } |
56 Node* traverseForwardToOffset(unsigned offset, Node& currentNode, unsigned&
currentOffset, const ContainerNode& root) const; | 56 Node* traverseForwardToOffset(unsigned offset, Node& currentNode, unsigned&
currentOffset, const ContainerNode& root) const; |
57 | 57 |
58 private: | 58 private: |
59 explicit ChildNodeList(PassRefPtr<ContainerNode> rootNode); | 59 explicit ChildNodeList(PassRefPtr<ContainerNode> rootNode); |
60 | 60 |
61 virtual bool isChildNodeList() const OVERRIDE { return true; } | 61 virtual bool isChildNodeList() const OVERRIDE { return true; } |
62 virtual Node* virtualOwnerNode() const OVERRIDE; | 62 virtual Node* virtualOwnerNode() const OVERRIDE; |
63 | 63 |
64 RefPtr<ContainerNode> m_parent; | 64 RefPtr<ContainerNode> m_parent; |
65 mutable CollectionIndexCache<ChildNodeList, Node> m_collectionIndexCache; | 65 mutable CollectionIndexCache<ChildNodeList, Node> m_collectionIndexCache; |
66 }; | 66 }; |
67 | 67 |
68 DEFINE_TYPE_CASTS(ChildNodeList, NodeList, nodeList, nodeList->isChildNodeList()
, nodeList.isChildNodeList()); | 68 DEFINE_TYPE_CASTS(ChildNodeList, NodeList, nodeList, nodeList->isChildNodeList()
, nodeList.isChildNodeList()); |
69 | 69 |
70 } // namespace WebCore | 70 } // namespace WebCore |
71 | 71 |
72 #endif // ChildNodeList_h | 72 #endif // ChildNodeList_h |
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