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/*
* Copyright (C) 2021 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 "InlineFormattingContext.h"
#include "InlineLineBuilder.h"
#include "LayoutUnits.h"
#include <wtf/Range.h>
namespace WebCore {
namespace Layout {
struct AncestorStack;
class ElementBox;
struct DisplayBoxTree;
struct IsFirstLastIndex;
class LineBox;
class InlineDisplayContentBuilder {
public:
InlineDisplayContentBuilder(InlineFormattingContext&, const ConstraintsForInlineContent&, const LineBox&, const InlineDisplay::Line&);
InlineDisplay::Boxes build(const LineLayoutResult&);
private:
void processNonBidiContent(const LineLayoutResult&, InlineDisplay::Boxes&);
void processBidiContent(const LineLayoutResult&, InlineDisplay::Boxes&);
void collectInkOverflowForInlineBoxes(InlineDisplay::Boxes&);
void collectInkOverflowForTextDecorations(InlineDisplay::Boxes&);
void truncateForEllipsisPolicy(LineEndingTruncationPolicy, const LineLayoutResult&, InlineDisplay::Boxes&);
void appendTextDisplayBox(const Line::Run&, const InlineRect&, InlineDisplay::Boxes&);
void appendSoftLineBreakDisplayBox(const Line::Run&, const InlineRect&, InlineDisplay::Boxes&);
void appendHardLineBreakDisplayBox(const Line::Run&, const InlineRect&, InlineDisplay::Boxes&);
void appendAtomicInlineLevelDisplayBox(const Line::Run&, const InlineRect&, InlineDisplay::Boxes&);
void appendRootInlineBoxDisplayBox(const InlineRect&, bool lineHasContent, InlineDisplay::Boxes&);
void appendInlineBoxDisplayBox(const Line::Run&, const InlineLevelBox&, const InlineRect&, InlineDisplay::Boxes&);
void appendInlineDisplayBoxAtBidiBoundary(const Box&, InlineDisplay::Boxes&);
void insertRubyAnnotationBox(const Box& annotationBox, size_t insertionPosition, const InlineRect&, InlineDisplay::Boxes&);
size_t processRubyBase(size_t rubyBaseStart, InlineDisplay::Boxes&, Vector<WTF::Range<size_t>>& interlinearRubyColumnRangeList, Vector<size_t>& rubyBaseStartIndexListWithAnnotation);
void processRubyContent(InlineDisplay::Boxes&, const LineLayoutResult&);
inline InlineRect mapInlineRectLogicalToVisual(const InlineRect& logicalRect, const InlineRect& containerLogicalRect, WritingMode);
void setInlineBoxGeometry(const Box& inlineBox, Layout::BoxGeometry&, const InlineRect&, bool isFirstInlineBoxFragment);
void adjustVisualGeometryForDisplayBox(size_t displayBoxNodeIndex, InlineLayoutUnit& accumulatedOffset, InlineLayoutUnit lineBoxLogicalTop, const DisplayBoxTree&, InlineDisplay::Boxes&, const UncheckedKeyHashMap<const Box*, IsFirstLastIndex>&);
size_t ensureDisplayBoxForContainer(const ElementBox&, DisplayBoxTree&, AncestorStack&, InlineDisplay::Boxes&);
InlineRect flipLogicalRectToVisualForWritingModeWithinLine(const InlineRect& logicalRect, const InlineRect& lineLogicalRect, WritingMode) const;
InlineRect flipRootInlineBoxRectToVisualForWritingMode(const InlineRect& rootInlineBoxLogicalRect, WritingMode) const;
template <typename BoxType, typename LayoutUnitType>
void setLogicalLeft(BoxType&, LayoutUnitType logicalLeft, WritingMode) const;
void setLogicalRight(InlineDisplay::Box&, InlineLayoutUnit logicalRight, WritingMode) const;
InlineLayoutPoint movePointHorizontallyForWritingMode(const InlineLayoutPoint& topLeft, InlineLayoutUnit horizontalOffset, WritingMode) const;
InlineLayoutUnit outsideListMarkerVisualPosition(const ElementBox&) const;
void setGeometryForBlockLevelOutOfFlowBoxes(const Vector<size_t>& indexList, const Line::RunList&, const Vector<int32_t>& visualOrderList = { });
bool isLineFullyTruncatedInBlockDirection() const { return m_lineIsFullyTruncatedInBlockDirection; }
const LineBox& lineBox() const { return m_lineBox; }
size_t lineIndex() const { return lineBox().lineIndex(); }
const ConstraintsForInlineContent& constraints() const { return m_constraints; }
const ElementBox& root() const { return m_formattingContext.root(); }
const RenderStyle& rootStyle() const { return lineIndex() ? root().style() : root().firstLineStyle(); }
InlineFormattingContext& formattingContext() { return m_formattingContext; }
const InlineFormattingContext& formattingContext() const { return m_formattingContext; }
private:
InlineFormattingContext& m_formattingContext;
const ConstraintsForInlineContent& m_constraints;
const LineBox& m_lineBox;
const InlineDisplay::Line& m_displayLine;
IntSize m_initialContaingBlockSize;
// FIXME: This should take DisplayLine::isFullyTruncatedInBlockDirection() for non-prefixed line-clamp.
bool m_lineIsFullyTruncatedInBlockDirection { false };
bool m_contentHasInkOverflow { false };
bool m_hasSeenRubyBase { false };
bool m_hasSeenTextDecoration { false };
};
inline InlineRect InlineDisplayContentBuilder::mapInlineRectLogicalToVisual(const InlineRect& logicalRect, const InlineRect& containerLogicalRect, WritingMode writingMode)
{
InlineRect visualRect = logicalRect;
switch (writingMode.computedWritingMode()) {
case StyleWritingMode::HorizontalTb:
return visualRect;
case StyleWritingMode::HorizontalBt:
visualRect.setLeft(logicalRect.left());
visualRect.setTop(containerLogicalRect.height() - logicalRect.bottom());
return visualRect;
case StyleWritingMode::VerticalRl:
case StyleWritingMode::SidewaysRl:
visualRect.setLeft(logicalRect.top());
visualRect.setTop(logicalRect.left());
visualRect.setWidth(logicalRect.height());
visualRect.setHeight(logicalRect.width());
return visualRect;
case StyleWritingMode::VerticalLr:
visualRect.setLeft(containerLogicalRect.height() - logicalRect.bottom());
visualRect.setTop(logicalRect.left());
visualRect.setWidth(logicalRect.height());
visualRect.setHeight(logicalRect.width());
return visualRect;
case StyleWritingMode::SidewaysLr:
visualRect.setLeft(logicalRect.top());
visualRect.setTop(containerLogicalRect.width() - logicalRect.right());
visualRect.setWidth(logicalRect.height());
visualRect.setHeight(logicalRect.width());
return visualRect;
default:
ASSERT_NOT_REACHED();
return visualRect;
}
}
}
}
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