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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
      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 RenderApplet_h
     23 #define RenderApplet_h
     24 
     25 #include "RenderWidget.h"
     26 #include <wtf/text/StringHash.h>
     27 
     28 namespace WebCore {
     29 
     30 class HTMLAppletElement;
     31 
     32 class RenderApplet : public RenderWidget {
     33 public:
     34     RenderApplet(HTMLAppletElement*, const HashMap<String, String>& args);
     35     virtual ~RenderApplet();
     36 
     37     void createWidgetIfNecessary();
     38 
     39 #if USE(ACCELERATED_COMPOSITING)
     40     virtual bool allowsAcceleratedCompositing() const;
     41 #endif
     42 
     43 private:
     44     virtual const char* renderName() const { return "RenderApplet"; }
     45 
     46     virtual bool isApplet() const { return true; }
     47 
     48     virtual void layout();
     49     virtual IntSize intrinsicSize() const;
     50 
     51 #if USE(ACCELERATED_COMPOSITING)
     52     virtual bool requiresLayer() const;
     53 #endif
     54 
     55     HashMap<String, String> m_args;
     56 };
     57 
     58 inline RenderApplet* toRenderApplet(RenderObject* object)
     59 {
     60     ASSERT(!object || object->isApplet());
     61     return static_cast<RenderApplet*>(object);
     62 }
     63 
     64 // This will catch anyone doing an unnecessary cast.
     65 void toRenderApplet(const RenderApplet*);
     66 
     67 } // namespace WebCore
     68 
     69 #endif // RenderApplet_h
     70