90 lines
3.4 KiB
C++
90 lines
3.4 KiB
C++
/*
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* Copyright (C) 2009 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "RenderObject.h"
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namespace WebCore {
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class LegacyInlineFlowBox;
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class RenderBlockFlow;
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class RenderLineBoxList {
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public:
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RenderLineBoxList()
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: m_firstLineBox(nullptr)
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, m_lastLineBox(nullptr)
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{
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}
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#ifndef NDEBUG
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~RenderLineBoxList();
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#endif
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LegacyInlineFlowBox* firstLineBox() const { return m_firstLineBox; }
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LegacyInlineFlowBox* lastLineBox() const { return m_lastLineBox; }
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void checkConsistency() const;
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void appendLineBox(std::unique_ptr<LegacyInlineFlowBox>);
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void deleteLineBoxTree();
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void deleteLineBoxes();
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void extractLineBox(LegacyInlineFlowBox*);
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void attachLineBox(LegacyInlineFlowBox*);
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void removeLineBox(LegacyInlineFlowBox*);
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void dirtyLineBoxes();
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void dirtyLinesFromChangedChild(RenderBoxModelObject& parent, RenderObject& child);
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void paint(RenderBoxModelObject*, PaintInfo&, const LayoutPoint&) const;
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bool hitTest(RenderBoxModelObject*, const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) const;
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private:
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bool anyLineIntersectsRect(RenderBoxModelObject*, const LayoutRect&, const LayoutPoint&, bool usePrintRect = false) const;
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bool lineIntersectsDirtyRect(RenderBoxModelObject*, LegacyInlineFlowBox*, const PaintInfo&, const LayoutPoint&) const;
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bool rangeIntersectsRect(RenderBoxModelObject*, LayoutUnit logicalTop, LayoutUnit logicalBottom, const LayoutRect&, const LayoutPoint&) const;
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// For block flows, each box represents the root inline box for a line in the
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// paragraph.
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// For inline flows, each box represents a portion of that inline.
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LegacyInlineFlowBox* m_firstLineBox;
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LegacyInlineFlowBox* m_lastLineBox;
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};
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#ifdef NDEBUG
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inline void RenderLineBoxList::checkConsistency() const
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{
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}
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#endif
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} // namespace WebCore
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