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/*
* Copyright (C) 2005 Apple Computer
*
* 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 RenderButton_h
#define RenderButton_h
#include "RenderFlexibleBox.h"
#include "Timer.h"
#include <wtf/OwnPtr.h>
namespace WebCore {
class RenderTextFragment;
// RenderButtons are just like normal flexboxes except that they will generate an anonymous block child.
// For inputs, they will also generate an anonymous RenderText and keep its style and content up
// to date as the button changes.
class RenderButton : public RenderFlexibleBox {
public:
explicit RenderButton(Node*);
virtual ~RenderButton();
virtual const char* renderName() const { return "RenderButton"; }
virtual bool isRenderButton() const { return true; }
virtual void addChild(RenderObject* newChild, RenderObject *beforeChild = 0);
virtual void removeChild(RenderObject*);
virtual void removeLeftoverAnonymousBlock(RenderBlock*) { }
virtual bool createsAnonymousWrapper() const { return true; }
void setupInnerStyle(RenderStyle*);
virtual void updateFromElement();
virtual void updateBeforeAfterContent(PseudoId);
virtual bool hasControlClip() const { return true; }
virtual IntRect controlClipRect(int /*tx*/, int /*ty*/) const;
void setText(const String&);
String text() const;
virtual bool canHaveChildren() const;
private:
virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle);
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
virtual bool hasLineIfEmpty() const { return true; }
virtual bool requiresForcedStyleRecalcPropagation() const { return true; }
void timerFired(Timer<RenderButton>*);
RenderTextFragment* m_buttonText;
RenderBlock* m_inner;
OwnPtr<Timer<RenderButton> > m_timer;
bool m_default;
};
inline RenderButton* toRenderButton(RenderObject* object)
{
ASSERT(!object || object->isRenderButton());
return static_cast<RenderButton*>(object);
}
inline const RenderButton* toRenderButton(const RenderObject* object)
{
ASSERT(!object || object->isRenderButton());
return static_cast<const RenderButton*>(object);
}
// This will catch anyone doing an unnecessary cast.
void toRenderButton(const RenderButton*);
} // namespace WebCore
#endif // RenderButton_h