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      1 /*
      2  * Copyright (C) 2008, 2009, 2010 Apple Inc. All rights reserved.
      3  * Copyright (C) 2008 David Smith <catfish.man (at) gmail.com>
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  *
     20  */
     21 
     22 #ifndef ElementRareData_h
     23 #define ElementRareData_h
     24 
     25 #include "ClassList.h"
     26 #include "DatasetDOMStringMap.h"
     27 #include "Element.h"
     28 #include "NodeRareData.h"
     29 #include <wtf/OwnPtr.h>
     30 
     31 namespace WebCore {
     32 
     33 class ShadowRoot;
     34 
     35 class ElementRareData : public NodeRareData {
     36 public:
     37     ElementRareData();
     38     virtual ~ElementRareData();
     39 
     40     void resetComputedStyle();
     41 
     42     using NodeRareData::needsFocusAppearanceUpdateSoonAfterAttach;
     43     using NodeRareData::setNeedsFocusAppearanceUpdateSoonAfterAttach;
     44 
     45     IntSize m_minimumSizeForResizing;
     46     RefPtr<RenderStyle> m_computedStyle;
     47     ShadowRoot* m_shadowRoot;
     48 
     49     OwnPtr<DatasetDOMStringMap> m_datasetDOMStringMap;
     50     OwnPtr<ClassList> m_classList;
     51 };
     52 
     53 inline IntSize defaultMinimumSizeForResizing()
     54 {
     55     return IntSize(INT_MAX, INT_MAX);
     56 }
     57 
     58 inline ElementRareData::ElementRareData()
     59     : m_minimumSizeForResizing(defaultMinimumSizeForResizing())
     60     , m_shadowRoot(0)
     61 {
     62 }
     63 
     64 inline ElementRareData::~ElementRareData()
     65 {
     66     ASSERT(!m_shadowRoot);
     67 }
     68 
     69 inline void ElementRareData::resetComputedStyle()
     70 {
     71     m_computedStyle.clear();
     72 }
     73 
     74 }
     75 #endif // ElementRareData_h
     76