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33 #include "platform/LayoutUnit.h"
40 class RenderBlockFlow;
42 enum IndentTextOrNot { DoNotIndentText, IndentText };
46 LineWidth(RenderBlockFlow&, bool isFirstLine, IndentTextOrNot shouldIndentText);
48 bool fitsOnLine() const { return currentWidth() <= (m_availableWidth + LayoutUnit::epsilon()); }
49 bool fitsOnLine(float extra) const { return currentWidth() + extra <= (m_availableWidth + LayoutUnit::epsilon()); }
51 float currentWidth() const { return m_committedWidth + m_uncommittedWidth; }
52 // FIXME: We should eventually replace these three functions by ones that work on a higher abstraction.
53 float uncommittedWidth() const { return m_uncommittedWidth; }
54 float committedWidth() const { return m_committedWidth; }
55 float availableWidth() const { return m_availableWidth; }
57 void updateAvailableWidth(LayoutUnit minimumHeight = 0);
58 void shrinkAvailableWidthForNewFloatIfNeeded(FloatingObject*);
59 void addUncommittedWidth(float delta) { m_uncommittedWidth += delta; }
61 void applyOverhang(RenderRubyRun*, RenderObject* startRenderer, RenderObject* endRenderer);
62 void fitBelowFloats(bool isFirstLine = false);
64 bool shouldIndentText() const { return m_shouldIndentText == IndentText; }
67 void computeAvailableWidthFromLeftAndRight();
68 void updateLineDimension(LayoutUnit newLineTop, LayoutUnit newLineWidth, const float& newLineLeft, const float& newLineRight);
69 void wrapNextToShapeOutside(bool isFirstLine);
71 RenderBlockFlow& m_block;
72 float m_uncommittedWidth;
73 float m_committedWidth;
74 float m_overhangWidth; // The amount by which |m_availableWidth| has been inflated to account for possible contraction due to ruby overhang.
77 float m_availableWidth;
79 IndentTextOrNot m_shouldIndentText;