#ifndef LineBreaker_h
#define LineBreaker_h
#include "InlineIterator.h"
#include "LineInfo.h"
#include "LineInlineHeaders.h"
#include "TextBreakIterator.h"
#include <wtf/Vector.h>
namespace WebCore {
class RenderText;
struct RenderTextInfo {
RenderTextInfo();
~RenderTextInfo();
RenderText* m_text;
OwnPtr<TextLayout> m_layout;
LazyLineBreakIterator m_lineBreakIterator;
const Font* m_font;
};
class LineBreaker {
public:
friend class BreakingContext;
LineBreaker(RenderBlockFlow& block)
: m_block(block)
{
reset();
}
InlineIterator nextLineBreak(InlineBidiResolver&, LineInfo&, RenderTextInfo&, FloatingObject* lastFloatFromPreviousLine, unsigned consecutiveHyphenatedLines, WordMeasurements&);
bool lineWasHyphenated() { return m_hyphenated; }
const Vector<RenderBox*>& positionedObjects() { return m_positionedObjects; }
EClear clear() { return m_clear; }
private:
void reset();
InlineIterator nextSegmentBreak(InlineBidiResolver&, LineInfo&, RenderTextInfo&, FloatingObject* lastFloatFromPreviousLine, unsigned consecutiveHyphenatedLines, WordMeasurements&);
void skipTrailingWhitespace(InlineIterator&, const LineInfo&);
void skipLeadingWhitespace(InlineBidiResolver&, LineInfo&, FloatingObject* lastFloatFromPreviousLine, LineWidth&);
FloatingObject* insertFloatingObject(RenderBox& floatBox) { return m_block.insertFloatingObject(floatBox); }
bool positionNewFloatOnLine(FloatingObject* newFloat, FloatingObject* lastFloatFromPreviousLine, LineInfo& lineInfo, LineWidth& width)
{
return m_block.positionNewFloatOnLine(newFloat, lastFloatFromPreviousLine, lineInfo, width);
}
RenderBlockFlow& m_block;
bool m_hyphenated;
EClear m_clear;
Vector<RenderBox*> m_positionedObjects;
};
}
#endif // LineBreaker_h