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83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/*
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* Copyright (C) 2008, 2010 Apple Inc. All rights reserved.
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* Copyright (C) 2008 David Smith <catfish.man@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef SKY_ENGINE_CORE_DOM_NODERAREDATA_H_
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#define SKY_ENGINE_CORE_DOM_NODERAREDATA_H_
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#include "sky/engine/core/dom/Element.h"
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#include "sky/engine/core/dom/MutationObserverRegistration.h"
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#include "sky/engine/platform/heap/Handle.h"
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#include "sky/engine/wtf/HashSet.h"
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#include "sky/engine/wtf/OwnPtr.h"
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#include "sky/engine/wtf/PassOwnPtr.h"
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namespace blink {
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class NodeMutationObserverData final {
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WTF_MAKE_NONCOPYABLE(NodeMutationObserverData);
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WTF_MAKE_FAST_ALLOCATED;
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public:
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Vector<OwnPtr<MutationObserverRegistration> > registry;
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HashSet<RawPtr<MutationObserverRegistration> > transientRegistry;
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static PassOwnPtr<NodeMutationObserverData> create()
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{
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return adoptPtr(new NodeMutationObserverData);
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}
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private:
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NodeMutationObserverData() { }
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};
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class NodeRareData : public NodeRareDataBase {
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WTF_MAKE_NONCOPYABLE(NodeRareData);
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WTF_MAKE_FAST_ALLOCATED;
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public:
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static NodeRareData* create(RenderObject* renderer)
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{
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return new NodeRareData(renderer);
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}
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NodeMutationObserverData* mutationObserverData() { return m_mutationObserverData.get(); }
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NodeMutationObserverData& ensureMutationObserverData()
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{
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if (!m_mutationObserverData)
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m_mutationObserverData = NodeMutationObserverData::create();
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return *m_mutationObserverData;
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}
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protected:
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explicit NodeRareData(RenderObject* renderer)
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: NodeRareDataBase(renderer)
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, m_isElementRareData(false)
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{ }
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private:
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OwnPtr<NodeMutationObserverData> m_mutationObserverData;
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protected:
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unsigned m_isElementRareData : 1;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_DOM_NODERAREDATA_H_
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