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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2000 Dirk Mueller (mueller (at) kde.org)
      5  * Copyright (C) 2004, 2006, 2009 Apple Inc. All rights reserved.
      6  *
      7  * This library is free software; you can redistribute it and/or
      8  * modify it under the terms of the GNU Library General Public
      9  * License as published by the Free Software Foundation; either
     10  * version 2 of the License, or (at your option) any later version.
     11  *
     12  * This library is distributed in the hope that it will be useful,
     13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15  * Library General Public License for more details.
     16  *
     17  * You should have received a copy of the GNU Library General Public License
     18  * along with this library; see the file COPYING.LIB.  If not, write to
     19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     20  * Boston, MA 02110-1301, USA.
     21  *
     22  */
     23 
     24 #ifndef RenderFieldset_h
     25 #define RenderFieldset_h
     26 
     27 #include "RenderBlock.h"
     28 
     29 namespace WebCore {
     30 
     31 class RenderFieldset : public RenderBlock {
     32 public:
     33     explicit RenderFieldset(Node*);
     34 
     35     RenderBox* findLegend() const;
     36 
     37 private:
     38     virtual const char* renderName() const { return "RenderFieldSet"; }
     39     virtual bool isFieldset() const { return true; }
     40 
     41     virtual RenderObject* layoutSpecialExcludedChild(bool relayoutChildren);
     42 
     43     virtual void computePreferredLogicalWidths();
     44     virtual bool avoidsFloats() const { return true; }
     45     virtual bool stretchesToMinIntrinsicLogicalWidth() const { return true; }
     46 
     47     virtual void paintBoxDecorations(PaintInfo&, int tx, int ty);
     48     virtual void paintMask(PaintInfo&, int tx, int ty);
     49 };
     50 
     51 inline RenderFieldset* toRenderFieldset(RenderObject* object)
     52 {
     53     ASSERT(!object || object->isFieldset());
     54     return static_cast<RenderFieldset*>(object);
     55 }
     56 
     57 // This will catch anyone doing an unnecessary cast.
     58 void toRenderFieldset(const RenderFieldset*);
     59 
     60 } // namespace WebCore
     61 
     62 #endif // RenderFieldset_h
     63