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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.
*
*/
#pragma once
#include "CounterContent.h"
#include "RenderText.h"
namespace WebCore {
class CounterNode;
class RenderCounter final : public RenderText {
WTF_MAKE_ISO_ALLOCATED(RenderCounter);
public:
RenderCounter(Document&, const CounterContent&);
virtual ~RenderCounter();
static void destroyCounterNodes(RenderElement&);
static void destroyCounterNode(RenderElement&, const AtomString& identifier);
static void rendererSubtreeAttached(RenderElement&);
static void rendererRemovedFromTree(RenderElement&);
static void rendererStyleChanged(RenderElement&, const RenderStyle* oldStyle, const RenderStyle& newStyle);
void updateCounter();
private:
void willBeDestroyed() override;
static void rendererStyleChangedSlowCase(RenderElement&, const RenderStyle* oldStyle, const RenderStyle& newStyle);
const char* renderName() const override;
bool isCounter() const override;
String originalText() const override;
void computePreferredLogicalWidths(float leadWidth) override;
CounterContent m_counter;
CounterNode* m_counterNode { nullptr };
RenderCounter* m_nextForSameCounter { nullptr };
friend class CounterNode;
};
inline void RenderCounter::rendererStyleChanged(RenderElement& renderer, const RenderStyle* oldStyle, const RenderStyle& newStyle)
{
if ((!oldStyle || !oldStyle->counterDirectives()) && !newStyle.counterDirectives())
return;
rendererStyleChangedSlowCase(renderer, oldStyle, newStyle);
}
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderCounter, isCounter())
#if ENABLE(TREE_DEBUGGING)
// Outside the WebCore namespace for ease of invocation from the debugger.
void showCounterRendererTree(const WebCore::RenderObject*, const char* counterName = nullptr);
#endif
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