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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 "InlineLayoutState.h"
#include "InlineLineBuilder.h"
#include "TextUtil.h"
namespace WebCore {
namespace Layout {
class Box;
class ElementBox;
class LayoutState;
class LineBoxBuilder {
public:
LineBoxBuilder(const InlineFormattingContext&, LineLayoutResult&);
LineBox build(size_t lineIndex);
private:
void setVerticalPropertiesForInlineLevelBox(const LineBox&, InlineLevelBox&) const;
void setLayoutBoundsForInlineBox(InlineLevelBox&, FontBaseline) const;
void adjustInlineBoxHeightsForLineBoxContainIfApplicable(LineBox&);
void computeLineBoxGeometry(LineBox&) const;
InlineLevelBox::AscentAndDescent enclosingAscentDescentWithFallbackFonts(const InlineLevelBox&, const TextUtil::FallbackFontList& fallbackFontsForContent, FontBaseline) const;
TextUtil::FallbackFontList collectFallbackFonts(const InlineLevelBox& parentInlineBox, const Line::Run&, const RenderStyle&);
void adjustMarginStartForListMarker(const ElementBox& listMarkerBox, LayoutUnit nestedListMarkerMarginStart, InlineLayoutUnit rootInlineBoxOffset) const;
InlineLayoutUnit applyTextBoxTrimOnLineBoxIfNeeded(InlineLayoutUnit lineBoxLogicalHeight, InlineLevelBox& rootInlineBox) const;
void constructInlineLevelBoxes(LineBox&);
void adjustIdeographicBaselineIfApplicable(LineBox&);
void adjustOutsideListMarkersPosition(LineBox&);
void expandAboveRootInlineBox(LineBox&, InlineLayoutUnit) const;
bool isFirstLine() const { return lineLayoutResult().isFirstLast.isFirstFormattedLine != LineLayoutResult::IsFirstLast::FirstFormattedLine::No; }
bool isLastLine() const { return lineLayoutResult().isFirstLast.isLastLineWithInlineContent; }
const InlineFormattingContext& formattingContext() const { return m_inlineFormattingContext; }
const LineLayoutResult& lineLayoutResult() const { return m_lineLayoutResult; }
const ElementBox& rootBox() const { return formattingContext().root(); }
const RenderStyle& rootStyle() const { return isFirstLine() ? rootBox().firstLineStyle() : rootBox().style(); }
const InlineLayoutState& layoutState() const { return formattingContext().layoutState(); }
const BlockLayoutState& blockLayoutState() const { return layoutState().parentBlockLayoutState(); }
private:
const InlineFormattingContext& m_inlineFormattingContext;
LineLayoutResult& m_lineLayoutResult;
bool m_fallbackFontRequiresIdeographicBaseline { false };
bool m_lineHasNonLineSpanningRubyContent { false };
UncheckedKeyHashMap<const InlineLevelBox*, TextUtil::FallbackFontList> m_fallbackFontsForInlineBoxes;
Vector<size_t> m_outsideListMarkers;
};
}
}
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