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/*
* Copyright (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
* Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
*
* 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 RenderCounter_h
#define RenderCounter_h
#include "CounterContent.h"
#include "RenderText.h"
namespace WebCore {
class CounterNode;
class RenderCounter : public RenderText {
public:
RenderCounter(Document*, const CounterContent&);
virtual ~RenderCounter();
static void destroyCounterNodes(RenderObject*);
static void destroyCounterNode(RenderObject*, const AtomicString& identifier);
static void rendererSubtreeAttached(RenderObject*);
static void rendererRemovedFromTree(RenderObject*);
static void rendererStyleChanged(RenderObject*, const RenderStyle* oldStyle, const RenderStyle* newStyle);
private:
virtual const char* renderName() const;
virtual bool isCounter() const;
virtual PassRefPtr<StringImpl> originalText() const;
virtual void computePreferredLogicalWidths(float leadWidth);
// Removes the reference to the CounterNode associated with this renderer.
// This is used to cause a counter display update when the CounterNode tree changes.
void invalidate();
CounterContent m_counter;
CounterNode* m_counterNode;
RenderCounter* m_nextForSameCounter;
friend class CounterNode;
};
inline RenderCounter* toRenderCounter(RenderObject* object)
{
ASSERT(!object || object->isCounter());
return static_cast<RenderCounter*>(object);
}
// This will catch anyone doing an unnecessary cast.
void toRenderCounter(const RenderCounter*);
} // namespace WebCore
#ifndef NDEBUG
// Outside the WebCore namespace for ease of invocation from gdb.
void showCounterRendererTree(const WebCore::RenderObject*, const char* counterName = 0);
#endif
#endif // RenderCounter_h