#pragma once
#include "LayoutUnit.h"
namespace WebCore {
class FloatingObject;
class RenderBlockFlow;
class RenderObject;
class RenderRubyRun;
class RenderStyle;
struct LineSegment;
enum IndentTextOrNot { DoNotIndentText, IndentText };
class LineWidth {
public:
LineWidth(RenderBlockFlow&, bool isFirstLine, IndentTextOrNot shouldIndentText);
bool fitsOnLine(bool ignoringTrailingSpace = false) const;
bool fitsOnLineIncludingExtraWidth(float extra) const;
bool fitsOnLineExcludingTrailingWhitespace(float extra) const;
float currentWidth() const { return m_committedWidth + m_uncommittedWidth; }
float uncommittedWidth() const { return m_uncommittedWidth; }
float committedWidth() const { return m_committedWidth; }
float availableWidth() const { return m_availableWidth; }
float logicalLeftOffset() const { return m_left; }
bool hasCommitted() const { return m_hasCommitted; }
bool hasCommittedReplaced() const { return m_hasCommittedReplaced; }
void updateAvailableWidth(LayoutUnit minimumHeight = 0_lu);
void shrinkAvailableWidthForNewFloatIfNeeded(const FloatingObject&);
void addUncommittedWidth(float delta)
{
m_uncommittedWidth += delta;
}
void addUncommittedReplacedWidth(float delta)
{
addUncommittedWidth(delta);
m_hasUncommittedReplaced = true;
}
void commit();
void applyOverhang(const RenderRubyRun&, RenderObject* startRenderer, RenderObject* endRenderer);
void fitBelowFloats(bool isFirstLine = false);
void setTrailingWhitespaceWidth(float collapsedWhitespace, float borderPaddingMargin = 0);
IndentTextOrNot shouldIndentText() const { return m_shouldIndentText; }
bool isFirstLine() const { return m_isFirstLine; }
private:
void computeAvailableWidthFromLeftAndRight();
bool fitsOnLineExcludingTrailingCollapsedWhitespace() const;
void updateLineDimension(LayoutUnit newLineTop, LayoutUnit newLineWidth, float newLineLeft, float newLineRight);
void wrapNextToShapeOutside(bool isFirstLine);
RenderBlockFlow& m_block;
float m_uncommittedWidth { 0 };
float m_committedWidth { 0 };
float m_overhangWidth { 0 }; float m_trailingWhitespaceWidth { 0 };
float m_trailingCollapsedWhitespaceWidth { 0 };
float m_left { 0 };
float m_right { 0 };
float m_availableWidth { 0 };
bool m_isFirstLine { true };
bool m_hasCommitted { false };
bool m_hasCommittedReplaced { false };
bool m_hasUncommittedReplaced { false };
IndentTextOrNot m_shouldIndentText;
};
IndentTextOrNot requiresIndent(bool isFirstLine, bool isAfterHardLineBreak, const RenderStyle&);
}