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/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "LegacyInlineFlowBox.h"
#include "LineWidth.h"
#include "RenderLineBoxList.h"
#include "RenderStyleConstants.h"
#include "TrailingObjects.h"
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class BidiContext;
class FloatingObject;
class FloatWithRect;
class LegacyInlineBox;
class LegacyInlineIterator;
class LineInfo;
class LocalFrameViewLayoutContext;
class RenderBlockFlow;
class RenderObject;
class LegacyRootInlineBox;
struct BidiStatus;
struct WordMeasurement;
template <class Run> class BidiRunList;
class LegacyLineLayout {
WTF_MAKE_TZONE_ALLOCATED(LegacyLineLayout);
public:
LegacyLineLayout(RenderBlockFlow&);
~LegacyLineLayout();
LegacyRootInlineBox* legacyRootBox() const { return m_legacyRootInlineBox.get(); }
void deleteLegacyRootBox(bool runCleanup = false);
void layoutLineBoxes();
void shiftLineBy(LayoutUnit shiftX, LayoutUnit shiftY);
LegacyRootInlineBox* constructLine(BidiRunList<BidiRun>&, const LineInfo&);
void addOverflowFromInlineChildren();
size_t lineCount() const;
static void appendRunsForObject(BidiRunList<BidiRun>*, int start, int end, RenderObject&, InlineBidiResolver&);
private:
std::unique_ptr<LegacyRootInlineBox> createRootInlineBox();
LegacyRootInlineBox* createAndAppendRootInlineBox();
LegacyInlineBox* createInlineBoxForRenderer(RenderObject*);
LegacyInlineFlowBox* createLineBoxes(RenderObject*, const LineInfo&, LegacyInlineBox*);
void removeInlineBox(BidiRun&, const LegacyRootInlineBox&) const;
void removeEmptyTextBoxesAndUpdateVisualReordering(LegacyRootInlineBox*, BidiRun* firstRun);
inline BidiRun* handleTrailingSpaces(BidiRunList<BidiRun>& bidiRuns, BidiContext* currentContext);
LegacyRootInlineBox* createLineBoxesFromBidiRuns(unsigned bidiLevel, BidiRunList<BidiRun>& bidiRuns, const LegacyInlineIterator& end, LineInfo&);
void layoutRunsAndFloats(bool hasInlineChild);
void layoutRunsAndFloatsInRange(InlineBidiResolver&);
const RenderStyle& style() const;
const LocalFrameViewLayoutContext& layoutContext() const;
RenderBlockFlow& m_flow;
std::unique_ptr<LegacyRootInlineBox> m_legacyRootInlineBox;
};
};
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