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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/dom/NodeRareData.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/dom/NodeRareData.h')
-rw-r--r-- | Source/WebCore/dom/NodeRareData.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/Source/WebCore/dom/NodeRareData.h b/Source/WebCore/dom/NodeRareData.h new file mode 100644 index 0000000..ab208d2 --- /dev/null +++ b/Source/WebCore/dom/NodeRareData.h @@ -0,0 +1,132 @@ +/* + * Copyright (C) 2008, 2010 Apple Inc. All rights reserved. + * 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 "ClassNodeList.h" +#include "DynamicNodeList.h" +#include "NameNodeList.h" +#include "QualifiedName.h" +#include "TagNodeList.h" +#include <wtf/HashSet.h> +#include <wtf/OwnPtr.h> +#include <wtf/PassOwnPtr.h> +#include <wtf/text/StringHash.h> + +namespace WebCore { + +struct NodeListsNodeData : Noncopyable { + typedef HashSet<DynamicNodeList*> NodeListSet; + NodeListSet m_listsWithCaches; + + RefPtr<DynamicNodeList::Caches> m_childNodeListCaches; + + typedef HashMap<String, ClassNodeList*> ClassNodeListCache; + ClassNodeListCache m_classNodeListCache; + + typedef HashMap<String, NameNodeList*> NameNodeListCache; + NameNodeListCache m_nameNodeListCache; + + typedef HashMap<RefPtr<QualifiedName::QualifiedNameImpl>, TagNodeList*> TagNodeListCache; + TagNodeListCache m_tagNodeListCache; + + RefPtr<DynamicNodeList> m_labelsNodeListCache; + + static PassOwnPtr<NodeListsNodeData> create() + { + return new NodeListsNodeData; + } + + void invalidateCaches(); + void invalidateCachesThatDependOnAttributes(); + bool isEmpty() const; + +private: + NodeListsNodeData() + : m_childNodeListCaches(DynamicNodeList::Caches::create()), m_labelsNodeListCache(0) + { + } +}; + +class NodeRareData : public Noncopyable { +public: + NodeRareData() + : m_tabIndex(0) + , m_tabIndexWasSetExplicitly(false) + , m_isFocused(false) + , m_needsFocusAppearanceUpdateSoonAfterAttach(false) + { + } + + virtual ~NodeRareData() + { + } + + 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(PassOwnPtr<NodeListsNodeData> lists) { m_nodeLists = lists; } + NodeListsNodeData* nodeLists() const { return m_nodeLists.get(); } + + short tabIndex() const { return m_tabIndex; } + void setTabIndexExplicitly(short index) { m_tabIndex = index; m_tabIndexWasSetExplicitly = true; } + bool tabIndexSetExplicitly() const { return m_tabIndexWasSetExplicitly; } + + EventTargetData* eventTargetData() { return m_eventTargetData.get(); } + EventTargetData* ensureEventTargetData() + { + if (!m_eventTargetData) + m_eventTargetData.set(new EventTargetData); + return m_eventTargetData.get(); + } + + bool isFocused() const { return m_isFocused; } + void setFocused(bool focused) { m_isFocused = focused; } + +protected: + // for ElementRareData + bool needsFocusAppearanceUpdateSoonAfterAttach() const { return m_needsFocusAppearanceUpdateSoonAfterAttach; } + void setNeedsFocusAppearanceUpdateSoonAfterAttach(bool needs) { m_needsFocusAppearanceUpdateSoonAfterAttach = needs; } + +private: + OwnPtr<NodeListsNodeData> m_nodeLists; + OwnPtr<EventTargetData> m_eventTargetData; + short m_tabIndex; + bool m_tabIndexWasSetExplicitly : 1; + bool m_isFocused : 1; + bool m_needsFocusAppearanceUpdateSoonAfterAttach : 1; +}; + +} // namespace WebCore + +#endif // NodeRareData_h |