| Index: third_party/WebKit/WebCore/rendering/RenderText.h
|
| ===================================================================
|
| --- third_party/WebKit/WebCore/rendering/RenderText.h (revision 9310)
|
| +++ third_party/WebKit/WebCore/rendering/RenderText.h (working copy)
|
| @@ -1,193 +1,194 @@
|
| -/*
|
| - * (C) 1999 Lars Knoll (knoll@kde.org)
|
| - * (C) 2000 Dirk Mueller (mueller@kde.org)
|
| - * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
|
| - *
|
| - * This library is free software; you can redistribute it and/or
|
| - * modify it under the terms of the GNU Library General Public
|
| - * License as published by the Free Software Foundation; either
|
| - * version 2 of the License, or (at your option) any later version.
|
| - *
|
| - * This library is distributed in the hope that it will be useful,
|
| - * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| - * Library General Public License for more details.
|
| - *
|
| - * You should have received a copy of the GNU Library General Public License
|
| - * along with this library; see the file COPYING.LIB. If not, write to
|
| - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
| - * Boston, MA 02110-1301, USA.
|
| - *
|
| - */
|
| -
|
| -#ifndef RenderText_h
|
| -#define RenderText_h
|
| -
|
| -#include "RenderObject.h"
|
| -
|
| -namespace WebCore {
|
| -
|
| -class InlineTextBox;
|
| -class StringImpl;
|
| -
|
| -class RenderText : public RenderObject {
|
| -public:
|
| - RenderText(Node*, PassRefPtr<StringImpl>);
|
| -#ifndef NDEBUG
|
| - virtual ~RenderText();
|
| -#endif
|
| -
|
| - virtual const char* renderName() const;
|
| -
|
| - virtual bool isTextFragment() const;
|
| - virtual bool isWordBreak() const;
|
| -
|
| - virtual PassRefPtr<StringImpl> originalText() const;
|
| -
|
| - void extractTextBox(InlineTextBox*);
|
| - void attachTextBox(InlineTextBox*);
|
| - void removeTextBox(InlineTextBox*);
|
| -
|
| - virtual void destroy();
|
| -
|
| - StringImpl* text() const { return m_text.get(); }
|
| -
|
| - virtual InlineBox* createInlineBox(bool makePlaceHolderBox, bool isRootLineBox, bool isOnlyRun = false);
|
| - virtual InlineTextBox* createInlineTextBox();
|
| - virtual void dirtyLineBoxes(bool fullLayout, bool isRootInlineBox = false);
|
| -
|
| - virtual void absoluteRects(Vector<IntRect>&, int tx, int ty, bool topLevel = true);
|
| - virtual void absoluteRectsForRange(Vector<IntRect>&, unsigned startOffset = 0, unsigned endOffset = UINT_MAX, bool useSelectionHeight = false);
|
| -
|
| - virtual void absoluteQuads(Vector<FloatQuad>&, bool topLevel = true);
|
| - virtual void absoluteQuadsForRange(Vector<FloatQuad>&, unsigned startOffset = 0, unsigned endOffset = UINT_MAX, bool useSelectionHeight = false);
|
| -
|
| - virtual VisiblePosition positionForCoordinates(int x, int y);
|
| -
|
| - const UChar* characters() const { return m_text->characters(); }
|
| - unsigned textLength() const { return m_text->length(); } // non virtual implementation of length()
|
| - virtual void position(InlineBox*);
|
| -
|
| - 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 lineHeight(bool firstLine, bool isRootLineBox = false) const;
|
| -
|
| - virtual int minPrefWidth() const;
|
| - virtual int maxPrefWidth() const;
|
| -
|
| - void trimmedPrefWidths(int leadWidth,
|
| - int& beginMinW, bool& beginWS,
|
| - int& endMinW, bool& endWS,
|
| - bool& hasBreakableChar, bool& hasBreak,
|
| - int& beginMaxW, int& endMaxW,
|
| - int& minW, int& maxW, bool& stripFrontSpaces);
|
| -
|
| - IntRect linesBoundingBox() const;
|
| -
|
| - int firstRunX() const;
|
| - int firstRunY() const;
|
| -
|
| - virtual int verticalPositionHint(bool firstLine) const;
|
| -
|
| - void setText(PassRefPtr<StringImpl>, bool force = false);
|
| - void setTextWithOffset(PassRefPtr<StringImpl>, unsigned offset, unsigned len, bool force = false);
|
| -
|
| - virtual bool canBeSelectionLeaf() const { return true; }
|
| - virtual void setSelectionState(SelectionState s);
|
| - virtual IntRect selectionRectForRepaint(RenderBox* repaintContainer, bool clipToVisibleContent = true);
|
| - virtual IntRect localCaretRect(InlineBox*, int caretOffset, int* extraWidthToEndOfLine = 0);
|
| -
|
| - virtual int marginLeft() const { return style()->marginLeft().calcMinValue(0); }
|
| - virtual int marginRight() const { return style()->marginRight().calcMinValue(0); }
|
| -
|
| - virtual IntRect clippedOverflowRectForRepaint(RenderBox* repaintContainer);
|
| -
|
| - InlineTextBox* firstTextBox() const { return m_firstTextBox; }
|
| - InlineTextBox* lastTextBox() const { return m_lastTextBox; }
|
| -
|
| - 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; }
|
| -
|
| - InlineTextBox* findNextInlineTextBox(int offset, int& pos) const;
|
| -
|
| - bool allowTabs() const { return !style()->collapseWhiteSpace(); }
|
| -
|
| - void checkConsistency() const;
|
| -
|
| -protected:
|
| - virtual void styleWillChange(StyleDifference, const RenderStyle*) { }
|
| - virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
|
| -
|
| - virtual void setTextInternal(PassRefPtr<StringImpl>);
|
| - virtual void calcPrefWidths(int leadWidth);
|
| - virtual UChar previousCharacter();
|
| -
|
| -private:
|
| - // Make length() private so that callers that have a RenderText*
|
| - // will use the more efficient textLength() instead, while
|
| - // callers with a RenderObject* can continue to use length().
|
| - virtual unsigned length() const { return textLength(); }
|
| -
|
| - virtual void paint(PaintInfo&, int, int) { ASSERT_NOT_REACHED(); }
|
| - virtual void layout() { ASSERT_NOT_REACHED(); }
|
| - virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int, int, int, int, HitTestAction) { ASSERT_NOT_REACHED(); return false; }
|
| -
|
| - void deleteTextBoxes();
|
| - bool containsOnlyWhitespace(unsigned from, unsigned len) const;
|
| - int widthFromCache(const Font&, int start, int len, int xPos) const;
|
| - bool isAllASCII() const { return m_isAllASCII; }
|
| -
|
| - RefPtr<StringImpl> m_text;
|
| -
|
| - InlineTextBox* m_firstTextBox;
|
| - InlineTextBox* m_lastTextBox;
|
| -
|
| - int m_minWidth;
|
| - int m_maxWidth;
|
| - int m_beginMinWidth;
|
| - int m_endMinWidth;
|
| -
|
| - bool m_hasBreakableChar : 1; // Whether or not we can be broken into multiple lines.
|
| - bool m_hasBreak : 1; // Whether or not we have a hard break (e.g., <pre> with '\n').
|
| - bool m_hasTab : 1; // Whether or not we have a variable width tab character (e.g., <pre> with '\t').
|
| - bool m_hasBeginWS : 1; // Whether or not we begin with WS (only true if we aren't pre)
|
| - bool m_hasEndWS : 1; // Whether or not we end with WS (only true if we aren't pre)
|
| - bool m_linesDirty : 1; // This bit indicates that the text run has already dirtied specific
|
| - // line boxes, and this hint will enable layoutInlineChildren to avoid
|
| - // just dirtying everything when character data is modified (e.g., appended/inserted
|
| - // or removed).
|
| - bool m_containsReversedText : 1;
|
| - bool m_isAllASCII : 1;
|
| -};
|
| -
|
| -inline RenderText* toRenderText(RenderObject* o)
|
| -{
|
| - ASSERT(!o || o->isText());
|
| - return static_cast<RenderText*>(o);
|
| -}
|
| -
|
| -inline const RenderText* toRenderText(const RenderObject* o)
|
| -{
|
| - ASSERT(!o || o->isText());
|
| - return static_cast<const RenderText*>(o);
|
| -}
|
| -
|
| -// This will catch anyone doing an unnecessary cast.
|
| -void toRenderText(const RenderText*);
|
| -
|
| -#ifdef NDEBUG
|
| -inline void RenderText::checkConsistency() const
|
| -{
|
| -}
|
| -#endif
|
| -
|
| -} // namespace WebCore
|
| -
|
| -#endif // RenderText_h
|
| +/*
|
| + * (C) 1999 Lars Knoll (knoll@kde.org)
|
| + * (C) 2000 Dirk Mueller (mueller@kde.org)
|
| + * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
|
| + *
|
| + * This library is free software; you can redistribute it and/or
|
| + * modify it under the terms of the GNU Library General Public
|
| + * License as published by the Free Software Foundation; either
|
| + * version 2 of the License, or (at your option) any later version.
|
| + *
|
| + * This library is distributed in the hope that it will be useful,
|
| + * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| + * Library General Public License for more details.
|
| + *
|
| + * You should have received a copy of the GNU Library General Public License
|
| + * along with this library; see the file COPYING.LIB. If not, write to
|
| + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
| + * Boston, MA 02110-1301, USA.
|
| + *
|
| + */
|
| +
|
| +#ifndef RenderText_h
|
| +#define RenderText_h
|
| +
|
| +#include "RenderObject.h"
|
| +
|
| +namespace WebCore {
|
| +
|
| +class InlineTextBox;
|
| +class StringImpl;
|
| +
|
| +class RenderText : public RenderObject {
|
| +public:
|
| + RenderText(Node*, PassRefPtr<StringImpl>);
|
| +#ifndef NDEBUG
|
| + virtual ~RenderText();
|
| +#endif
|
| +
|
| + virtual const char* renderName() const;
|
| +
|
| + virtual bool isTextFragment() const;
|
| + virtual bool isWordBreak() const;
|
| +
|
| + virtual PassRefPtr<StringImpl> originalText() const;
|
| +
|
| + void extractTextBox(InlineTextBox*);
|
| + void attachTextBox(InlineTextBox*);
|
| + void removeTextBox(InlineTextBox*);
|
| +
|
| + virtual void destroy();
|
| +
|
| + StringImpl* text() const { return m_text.get(); }
|
| +
|
| + virtual InlineBox* createInlineBox(bool makePlaceHolderBox, bool isRootLineBox, bool isOnlyRun = false);
|
| + virtual InlineTextBox* createInlineTextBox();
|
| + virtual void dirtyLineBoxes(bool fullLayout, bool isRootInlineBox = false);
|
| +
|
| + virtual void absoluteRects(Vector<IntRect>&, int tx, int ty, bool topLevel = true);
|
| + virtual void absoluteRectsForRange(Vector<IntRect>&, unsigned startOffset = 0, unsigned endOffset = UINT_MAX, bool useSelectionHeight = false);
|
| +
|
| + virtual void absoluteQuads(Vector<FloatQuad>&, bool topLevel = true);
|
| + virtual void absoluteQuadsForRange(Vector<FloatQuad>&, unsigned startOffset = 0, unsigned endOffset = UINT_MAX, bool useSelectionHeight = false);
|
| +
|
| + virtual VisiblePosition positionForCoordinates(int x, int y);
|
| +
|
| + const UChar* characters() const { return m_text->characters(); }
|
| + unsigned textLength() const { return m_text->length(); } // non virtual implementation of length()
|
| + virtual void position(InlineBox*);
|
| +
|
| + 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 lineHeight(bool firstLine, bool isRootLineBox = false) const;
|
| +
|
| + virtual int minPrefWidth() const;
|
| + virtual int maxPrefWidth() const;
|
| +
|
| + void trimmedPrefWidths(int leadWidth,
|
| + int& beginMinW, bool& beginWS,
|
| + int& endMinW, bool& endWS,
|
| + bool& hasBreakableChar, bool& hasBreak,
|
| + int& beginMaxW, int& endMaxW,
|
| + int& minW, int& maxW, bool& stripFrontSpaces);
|
| +
|
| + IntRect linesBoundingBox() const;
|
| +
|
| + int firstRunX() const;
|
| + int firstRunY() const;
|
| +
|
| + virtual int verticalPositionHint(bool firstLine) const;
|
| +
|
| + void setText(PassRefPtr<StringImpl>, bool force = false);
|
| + void setTextWithOffset(PassRefPtr<StringImpl>, unsigned offset, unsigned len, bool force = false);
|
| +
|
| + virtual bool canBeSelectionLeaf() const { return true; }
|
| + virtual void setSelectionState(SelectionState s);
|
| + virtual IntRect selectionRectForRepaint(RenderBoxModelObject* repaintContainer, bool clipToVisibleContent = true);
|
| + virtual IntRect localCaretRect(InlineBox*, int caretOffset, int* extraWidthToEndOfLine = 0);
|
| +
|
| + virtual int marginLeft() const { return style()->marginLeft().calcMinValue(0); }
|
| + virtual int marginRight() const { return style()->marginRight().calcMinValue(0); }
|
| +
|
| + virtual IntRect clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer);
|
| +
|
| + InlineTextBox* firstTextBox() const { return m_firstTextBox; }
|
| + InlineTextBox* lastTextBox() const { return m_lastTextBox; }
|
| +
|
| + virtual int caretMinOffset() const;
|
| + virtual int caretMaxOffset() const;
|
| + virtual unsigned caretMaxRenderedOffset() const;
|
| +
|
| + virtual int previousOffset(int current) const;
|
| + virtual int previousOffsetForBackwardDeletion(int current) const;
|
| + virtual int nextOffset(int current) const;
|
| +
|
| + bool containsReversedText() const { return m_containsReversedText; }
|
| +
|
| + InlineTextBox* findNextInlineTextBox(int offset, int& pos) const;
|
| +
|
| + bool allowTabs() const { return !style()->collapseWhiteSpace(); }
|
| +
|
| + void checkConsistency() const;
|
| +
|
| +protected:
|
| + virtual void styleWillChange(StyleDifference, const RenderStyle*) { }
|
| + virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
|
| +
|
| + virtual void setTextInternal(PassRefPtr<StringImpl>);
|
| + virtual void calcPrefWidths(int leadWidth);
|
| + virtual UChar previousCharacter();
|
| +
|
| +private:
|
| + // Make length() private so that callers that have a RenderText*
|
| + // will use the more efficient textLength() instead, while
|
| + // callers with a RenderObject* can continue to use length().
|
| + virtual unsigned length() const { return textLength(); }
|
| +
|
| + virtual void paint(PaintInfo&, int, int) { ASSERT_NOT_REACHED(); }
|
| + virtual void layout() { ASSERT_NOT_REACHED(); }
|
| + virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int, int, int, int, HitTestAction) { ASSERT_NOT_REACHED(); return false; }
|
| +
|
| + void deleteTextBoxes();
|
| + bool containsOnlyWhitespace(unsigned from, unsigned len) const;
|
| + int widthFromCache(const Font&, int start, int len, int xPos) const;
|
| + bool isAllASCII() const { return m_isAllASCII; }
|
| +
|
| + RefPtr<StringImpl> m_text;
|
| +
|
| + InlineTextBox* m_firstTextBox;
|
| + InlineTextBox* m_lastTextBox;
|
| +
|
| + int m_minWidth;
|
| + int m_maxWidth;
|
| + int m_beginMinWidth;
|
| + int m_endMinWidth;
|
| +
|
| + bool m_hasBreakableChar : 1; // Whether or not we can be broken into multiple lines.
|
| + bool m_hasBreak : 1; // Whether or not we have a hard break (e.g., <pre> with '\n').
|
| + bool m_hasTab : 1; // Whether or not we have a variable width tab character (e.g., <pre> with '\t').
|
| + bool m_hasBeginWS : 1; // Whether or not we begin with WS (only true if we aren't pre)
|
| + bool m_hasEndWS : 1; // Whether or not we end with WS (only true if we aren't pre)
|
| + bool m_linesDirty : 1; // This bit indicates that the text run has already dirtied specific
|
| + // line boxes, and this hint will enable layoutInlineChildren to avoid
|
| + // just dirtying everything when character data is modified (e.g., appended/inserted
|
| + // or removed).
|
| + bool m_containsReversedText : 1;
|
| + bool m_isAllASCII : 1;
|
| +};
|
| +
|
| +inline RenderText* toRenderText(RenderObject* o)
|
| +{
|
| + ASSERT(!o || o->isText());
|
| + return static_cast<RenderText*>(o);
|
| +}
|
| +
|
| +inline const RenderText* toRenderText(const RenderObject* o)
|
| +{
|
| + ASSERT(!o || o->isText());
|
| + return static_cast<const RenderText*>(o);
|
| +}
|
| +
|
| +// This will catch anyone doing an unnecessary cast.
|
| +void toRenderText(const RenderText*);
|
| +
|
| +#ifdef NDEBUG
|
| +inline void RenderText::checkConsistency() const
|
| +{
|
| +}
|
| +#endif
|
| +
|
| +} // namespace WebCore
|
| +
|
| +#endif // RenderText_h
|
|
|
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