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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 "InlineLineBuilder.h"
namespace WebCore {
namespace Layout {
class FloatingContext;
class InlineFormattingContext;
class InlineLevelBox;
class InlineFormattingUtils {
public:
InlineFormattingUtils(const InlineFormattingContext&);
InlineLayoutUnit logicalTopForNextLine(const LineLayoutResult&, const InlineRect& lineLogicalRect, const FloatingContext&) const;
ContentHeightAndMargin inlineBlockContentHeightAndMargin(const Box&, const HorizontalConstraints&, const OverriddenVerticalValues&) const;
ContentWidthAndMargin inlineBlockContentWidthAndMargin(const Box&, const HorizontalConstraints&, const OverriddenHorizontalValues&) const;
enum class IsIntrinsicWidthMode : bool { No, Yes };
InlineLayoutUnit computedTextIndent(IsIntrinsicWidthMode, std::optional<bool> previousLineEndsWithLineBreak, InlineLayoutUnit availableWidth) const;
bool inlineLevelBoxAffectsLineBox(const InlineLevelBox&) const;
InlineLayoutUnit initialLineHeight(bool isFirstLine) const;
FloatingContext::Constraints floatConstraintsForLine(InlineLayoutUnit lineLogicalTop, InlineLayoutUnit contentLogicalHeight, const FloatingContext&) const;
static InlineRect flipVisualRectToLogicalForWritingMode(const InlineRect& visualRect, WritingMode);
void adjustMarginStartForListMarker(const ElementBox&, LayoutUnit nestedListMarkerMarginStart, InlineLayoutUnit rootInlineBoxOffset) const;
static InlineLayoutUnit horizontalAlignmentOffset(const RenderStyle& rootStyle, InlineLayoutUnit contentLogicalRight, InlineLayoutUnit lineLogicalRight, InlineLayoutUnit hangingTrailingWidth, const Line::RunList& runs, bool isLastLine, std::optional<TextDirection> inlineBaseDirectionOverride = std::nullopt);
static InlineItemPosition leadingInlineItemPositionForNextLine(InlineItemPosition lineContentEnd, std::optional<InlineItemPosition> previousLineContentEnd, bool lineHasIntrusiveOrNewlyPlacedFloat, InlineItemPosition layoutRangeEnd);
InlineLayoutUnit inlineItemWidth(const InlineItem&, InlineLayoutUnit contentLogicalLeft, bool useFirstLineStyle) const;
size_t nextWrapOpportunity(size_t startIndex, const InlineItemRange& layoutRange, std::span<const InlineItem>) const;
static std::pair<InlineLayoutUnit, InlineLayoutUnit> textEmphasisForInlineBox(const Box&, const ElementBox& rootBox);
static LineEndingTruncationPolicy lineEndingTruncationPolicy(const RenderStyle& rootStyle, size_t numberOfContentfulLines, std::optional<size_t> numberOfVisibleLinesAllowed, bool currentLineIsContentful);
bool shouldDiscardRemainingContentInBlockDirection(size_t numberOfLinesWithInlineContent) const;
private:
InlineLayoutUnit contentLeftAfterLastLine(const ConstraintsForInFlowContent&, std::optional<InlineLayoutUnit> lastLineLogicalBottom, const FloatingContext&) const;
bool isAtSoftWrapOpportunity(const InlineItem& previous, const InlineItem& next) const;
const InlineFormattingContext& formattingContext() const { return m_inlineFormattingContext; }
private:
const InlineFormattingContext& m_inlineFormattingContext;
};
}
}
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