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Diffstat (limited to 'WebCore/dom/NodeRareData.h')
-rw-r--r-- | WebCore/dom/NodeRareData.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/WebCore/dom/NodeRareData.h b/WebCore/dom/NodeRareData.h new file mode 100644 index 0000000..acad86c --- /dev/null +++ b/WebCore/dom/NodeRareData.h @@ -0,0 +1,96 @@ +/** + * + * Copyright (C) 2008 Apple Computer, Inc. + * Copyright (C) 2008 David Smith <catfish.man@gmail.com> + * + * 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. + * + */ + +#ifndef NodeRareData_h +#define NodeRareData_h + +#include "DynamicNodeList.h" +#include "StringHash.h" +#include <wtf/HashSet.h> +#include <wtf/OwnPtr.h> + +namespace WebCore { + +struct NodeListsNodeData { + typedef HashSet<DynamicNodeList*> NodeListSet; + NodeListSet m_listsWithCaches; + + DynamicNodeList::Caches m_childNodeListCaches; + + typedef HashMap<String, DynamicNodeList::Caches*> CacheMap; + CacheMap m_classNodeListCaches; + CacheMap m_nameNodeListCaches; + + ~NodeListsNodeData() + { + deleteAllValues(m_classNodeListCaches); + deleteAllValues(m_nameNodeListCaches); + } + + void invalidateCaches(); + void invalidateCachesThatDependOnAttributes(); + bool isEmpty() const; +}; + +class NodeRareData { +public: + NodeRareData() + : m_focused(false) + , m_tabIndex(0) + , m_tabIndexSetExplicitly(false) + , m_needsFocusAppearanceUpdateSoonAfterAttach(false) + { + } + + typedef HashMap<const Node*, NodeRareData*> NodeRareDataMap; + + static NodeRareDataMap& rareDataMap() + { + static NodeRareDataMap* dataMap = new NodeRareDataMap; + return *dataMap; + } + + static NodeRareData* rareDataFromMap(const Node* node) + { + return rareDataMap().get(node); + } + + void clearNodeLists() { m_nodeLists.clear(); } + void setNodeLists(std::auto_ptr<NodeListsNodeData> lists) { m_nodeLists.set(lists.release()); } + NodeListsNodeData* nodeLists() const { return m_nodeLists.get(); } + + short tabIndex() const { return m_tabIndex; } + void setTabIndexExplicitly(short index) { m_tabIndex = index; m_tabIndexSetExplicitly = true; } + bool tabIndexSetExplicitly() const { return m_tabIndexSetExplicitly; } + + bool m_focused : 1; + +private: + OwnPtr<NodeListsNodeData> m_nodeLists; + short m_tabIndex; + bool m_tabIndexSetExplicitly : 1; +public: + bool m_needsFocusAppearanceUpdateSoonAfterAttach : 1; //for ElementRareData +}; +} //namespace + +#endif |