#ifndef RenderText_h
#define RenderText_h
#include "RenderObject.h"
#include "Text.h"
#include "Timer.h"
typedef void UBreakIterator;
namespace WebCore {
const unsigned short SOFT_HYPHEN = 173;
class DocumentMarker;
class InlineBox;
class InlineTextBox;
class Position;
class String;
class StringImpl;
class RenderText : public RenderObject {
friend class InlineTextBox;
public:
RenderText(Node*, StringImpl*);
virtual bool isTextFragment() const;
virtual PassRefPtr<StringImpl> originalString() const;
virtual const char *renderName() const { return "RenderText"; }
virtual void setStyle(RenderStyle *style);
void extractTextBox(InlineTextBox* textBox);
void attachTextBox(InlineTextBox* textBox);
void removeTextBox(InlineTextBox* textBox);
void deleteTextBoxes();
virtual void destroy();
String data() const { return str.get(); }
StringImpl* string() const { return str.get(); }
virtual InlineBox* createInlineBox(bool,bool, bool isOnlyRun = false);
virtual void dirtyLineBoxes(bool fullLayout, bool isRootInlineBox = false);
virtual void paint(PaintInfo& i, int tx, int ty) { assert(false); }
virtual void layout() { assert(false); }
virtual bool nodeAtPoint(NodeInfo& info, int x, int y, int tx, int ty,
HitTestAction hitTestAction) { assert(false); return false; }
virtual void absoluteRects(DeprecatedValueList<IntRect>& rects, int _tx, int _ty);
virtual DeprecatedValueList<IntRect> lineBoxRects();
virtual VisiblePosition positionForCoordinates(int x, int y);
virtual unsigned length() const { return str->length(); }
const UChar* text() const { return str->characters(); }
unsigned stringLength() const { return str->length(); } virtual void position(InlineBox* box, int from, int len, bool reverse, bool override);
virtual unsigned width(unsigned from, unsigned len, const Font*, int xpos) const;
virtual unsigned width(unsigned from, unsigned len, int xpos, bool firstLine = false) const;
virtual int width() const;
virtual int height() const;
virtual short lineHeight(bool firstLine, bool isRootLineBox = false) const;
virtual void calcMinMaxWidth();
virtual int minWidth() const { return m_minWidth; }
virtual int maxWidth() const { return m_maxWidth; }
void calcMinMaxWidth(int leadWidth);
virtual void trimmedMinMaxWidth(int leadWidth,
int& beginMinW, bool& beginWS,
int& endMinW, bool& endWS,
bool& hasBreakableChar, bool& hasBreak,
int& beginMaxW, int& endMaxW,
int& minW, int& maxW, bool& stripFrontSpaces);
bool containsOnlyWhitespace(unsigned from, unsigned len) const;
int minXPos() const;
virtual int xPos() const;
virtual int yPos() const;
virtual const Font& font();
virtual short verticalPositionHint( bool firstLine ) const;
void setText(StringImpl*, bool force = false);
void setTextWithOffset(StringImpl*, unsigned offset, unsigned len, bool force = false);
virtual bool canBeSelectionLeaf() const { return true; }
virtual SelectionState selectionState() const { return m_selectionState; }
virtual void setSelectionState(SelectionState s);
virtual IntRect selectionRect();
virtual IntRect caretRect(int offset, EAffinity affinity, int *extraWidthToEndOfLine = 0);
void posOfChar(int ch, int &x, int &y);
virtual int marginLeft() const { return style()->marginLeft().calcMinValue(0); }
virtual int marginRight() const { return style()->marginRight().calcMinValue(0); }
virtual IntRect getAbsoluteRepaintRect();
const Font* font(bool firstLine) const;
Text *element() const { return static_cast<Text*>(RenderObject::element()); }
InlineTextBox* firstTextBox() const { return m_firstTextBox; }
InlineTextBox* lastTextBox() const { return m_lastTextBox; }
virtual InlineBox *inlineBox(int offset, EAffinity affinity = UPSTREAM);
int widthFromCache(const Font*, int start, int len, int tabWidth, int xpos) const;
bool shouldUseMonospaceCache(const Font *) const;
void cacheWidths();
bool allAscii() const;
virtual int caretMinOffset() const;
virtual int caretMaxOffset() const;
virtual unsigned caretMaxRenderedOffset() const;
virtual int previousOffset(int current) const;
virtual int nextOffset(int current) const;
bool containsReversedText() const { return m_containsReversedText; }
static void makeLastCharacterSecure(void) { shouldSecureLastCharacter = true; };
static void makeLastCharacterInsecure(void) { shouldSecureLastCharacter = false; };
public:
static bool shouldSecureLastCharacter;
void secureLastCharacter(Timer<RenderText> * aTimer);
InlineTextBox * findNextInlineTextBox( int offset, int &pos ) const;
float candidateComputedTextSize() const { return m_candidateComputedTextSize; }
void setCandidateComputedTextSize(float s) { m_candidateComputedTextSize = s; }
protected: RefPtr<StringImpl> str;
InlineTextBox* m_firstTextBox;
InlineTextBox* m_lastTextBox;
int m_minWidth;
int m_maxWidth;
int m_beginMinWidth;
int m_endMinWidth;
SelectionState m_selectionState : 3 ;
bool m_hasBreakableChar : 1; bool m_hasBreak : 1; bool m_hasTab : 1; bool m_hasBeginWS : 1; bool m_hasEndWS : 1;
bool m_linesDirty : 1; bool m_containsReversedText : 1;
mutable bool m_allAsciiChecked:1;
mutable bool m_allAscii:1;
int m_monospaceCharacterWidth;
Timer <RenderText> * m_secureLastCharacterTimer;
float m_candidateComputedTextSize;
};
UBreakIterator* characterBreakIterator(const StringImpl*);
}
#endif