97 lines
4.0 KiB
C++
97 lines
4.0 KiB
C++
/*
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* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
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* Copyright (C) 2013 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 "RenderBoxModelObject.h"
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namespace WebCore {
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class LegacyInlineElementBox;
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class HTMLElement;
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class Position;
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class RenderLineBreak final : public RenderBoxModelObject {
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WTF_MAKE_ISO_ALLOCATED(RenderLineBreak);
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public:
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RenderLineBreak(HTMLElement&, RenderStyle&&);
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virtual ~RenderLineBreak();
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// FIXME: The lies here keep render tree dump based test results unchanged.
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const char* renderName() const final { return m_isWBR ? "RenderWordBreak" : "RenderBR"; }
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bool isWBR() const final { return m_isWBR; }
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std::unique_ptr<LegacyInlineElementBox> createInlineBox();
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LegacyInlineElementBox* inlineBoxWrapper() const { return m_inlineBoxWrapper; }
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void setInlineBoxWrapper(LegacyInlineElementBox*);
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void deleteInlineBoxWrapper();
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void replaceInlineBoxWrapper(LegacyInlineElementBox&);
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void dirtyLineBoxes(bool fullLayout);
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IntRect linesBoundingBox() const;
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void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const final;
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void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed = nullptr) const final;
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#if PLATFORM(IOS_FAMILY)
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void collectSelectionGeometries(Vector<SelectionGeometry>&, unsigned startOffset = 0, unsigned endOffset = std::numeric_limits<unsigned>::max()) final;
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#endif
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private:
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void node() const = delete;
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bool canHaveChildren() const final { return false; }
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void paint(PaintInfo&, const LayoutPoint&) final { }
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VisiblePosition positionForPoint(const LayoutPoint&, const RenderFragmentContainer*) final;
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int caretMinOffset() const final;
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int caretMaxOffset() const final;
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bool canBeSelectionLeaf() const final;
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LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode) const final;
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LayoutUnit baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode) const final;
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LayoutUnit marginTop() const final { return 0; }
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LayoutUnit marginBottom() const final { return 0; }
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LayoutUnit marginLeft() const final { return 0; }
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LayoutUnit marginRight() const final { return 0; }
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LayoutUnit marginBefore(const RenderStyle*) const final { return 0; }
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LayoutUnit marginAfter(const RenderStyle*) const final { return 0; }
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LayoutUnit marginStart(const RenderStyle*) const final { return 0; }
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LayoutUnit marginEnd(const RenderStyle*) const final { return 0; }
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LayoutUnit offsetWidth() const final { return linesBoundingBox().width(); }
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LayoutUnit offsetHeight() const final { return linesBoundingBox().height(); }
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LayoutRect borderBoundingBox() const final { return LayoutRect(LayoutPoint(), linesBoundingBox().size()); }
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LayoutRect frameRectForStickyPositioning() const final { ASSERT_NOT_REACHED(); return LayoutRect(); }
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LayoutRect clippedOverflowRect(const RenderLayerModelObject*, VisibleRectContext) const final { return LayoutRect(); }
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void updateFromStyle() final;
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bool requiresLayer() const final { return false; }
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LegacyInlineElementBox* m_inlineBoxWrapper;
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mutable int m_cachedLineHeight;
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bool m_isWBR;
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderLineBreak, isLineBreak())
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