78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
/*
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* Copyright (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
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* Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include "CounterContent.h"
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#include "RenderText.h"
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namespace WebCore {
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class CounterNode;
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class RenderCounter final : public RenderText {
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WTF_MAKE_ISO_ALLOCATED(RenderCounter);
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public:
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RenderCounter(Document&, const CounterContent&);
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virtual ~RenderCounter();
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static void destroyCounterNodes(RenderElement&);
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static void destroyCounterNode(RenderElement&, const AtomString& identifier);
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static void rendererSubtreeAttached(RenderElement&);
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static void rendererRemovedFromTree(RenderElement&);
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static void rendererStyleChanged(RenderElement&, const RenderStyle* oldStyle, const RenderStyle& newStyle);
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void updateCounter();
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private:
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void willBeDestroyed() override;
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static void rendererStyleChangedSlowCase(RenderElement&, const RenderStyle* oldStyle, const RenderStyle& newStyle);
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const char* renderName() const override;
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bool isCounter() const override;
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String originalText() const override;
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void computePreferredLogicalWidths(float leadWidth) override;
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CounterContent m_counter;
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CounterNode* m_counterNode { nullptr };
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RenderCounter* m_nextForSameCounter { nullptr };
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friend class CounterNode;
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};
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inline void RenderCounter::rendererStyleChanged(RenderElement& renderer, const RenderStyle* oldStyle, const RenderStyle& newStyle)
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{
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if ((!oldStyle || !oldStyle->counterDirectives()) && !newStyle.counterDirectives())
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return;
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rendererStyleChangedSlowCase(renderer, oldStyle, newStyle);
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}
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderCounter, isCounter())
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#if ENABLE(TREE_DEBUGGING)
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// Outside the WebCore namespace for ease of invocation from the debugger.
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void showCounterRendererTree(const WebCore::RenderObject*, const char* counterName = nullptr);
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#endif
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