#ifndef RenderObject_h
#define RenderObject_h
#include "CachedResourceClient.h"
#include "RenderStyle.h"
#include "ScrollBar.h"
#include "VisiblePosition.h"
#include "Element.h"
#include "Document.h"
namespace WebCore {
class AffineTransform;
class CollapsedBorderValue;
class Color;
class Document;
class Element;
class Event;
class FloatRect;
class FrameView;
class HTMLAreaElement;
class InlineBox;
class InlineFlowBox;
class Position;
class RenderArena;
class RenderBlock;
class RenderFlow;
class RenderFrameSet;
class RenderLayer;
class RenderTable;
class RenderText;
class RenderView;
class String;
class TextStream;
class VisiblePosition;
enum PaintPhase {
PaintPhaseBlockBackground,
PaintPhaseChildBlockBackground,
PaintPhaseChildBlockBackgrounds,
PaintPhaseFloat,
PaintPhaseForeground,
PaintPhaseOutline,
PaintPhaseChildOutlines,
PaintPhaseSelfOutline,
PaintPhaseSelection,
PaintPhaseCollapsedTableBorders
};
enum PaintRestriction {
PaintRestrictionNone,
PaintRestrictionSelectionOnly,
PaintRestrictionSelectionOnlyWhiteText
};
enum HitTestFilter {
HitTestAll,
HitTestSelf,
HitTestDescendants
};
enum HitTestAction {
HitTestBlockBackground,
HitTestChildBlockBackground,
HitTestChildBlockBackgrounds,
HitTestFloat,
HitTestForeground
};
struct DashboardRegionValue
{
String label;
IntRect bounds;
IntRect clip;
int type;
bool operator==(const DashboardRegionValue& o) const
{
return type == o.type && bounds == o.bounds && label == o.label;
}
};
typedef HashSet<RenderFlow*> RenderFlowSequencedSet;
class RenderObject : public CachedResourceClient
{
public:
RenderObject(Node* node);
virtual ~RenderObject();
RenderObject *parent() const { return m_parent; }
bool hasAncestor(const RenderObject *obj) const;
RenderObject *previousSibling() const { return m_previous; }
RenderObject *nextSibling() const { return m_next; }
virtual RenderObject *firstChild() const { return 0; }
virtual RenderObject *lastChild() const { return 0; }
RenderObject* nextInPreOrder() const;
RenderObject* nextInPreOrderAfterChildren() const;
RenderObject* previousInPreOrder() const;
RenderObject* childAt(unsigned) const;
RenderObject *nextEditable() const;
RenderObject *previousEditable() const;
RenderObject *firstLeafChild() const;
RenderObject *lastLeafChild() const;
RenderObject *traverseNext(const RenderObject *stayWithin) const;
typedef bool (*TraverseNextInclusionFunction)(const RenderObject *);
RenderObject *traverseNext(const RenderObject *stayWithin, TraverseNextInclusionFunction inclusionFunction) const;
void adjustComputedFontSizesOnBlocks(float size, float visibleWidth);
virtual RenderLayer* layer() const { return 0; }
RenderLayer* enclosingLayer();
void addLayers(RenderLayer* parentLayer, RenderObject* newObject);
void removeLayers(RenderLayer* parentLayer);
void moveLayers(RenderLayer* oldParent, RenderLayer* newParent);
RenderLayer* findNextLayer(RenderLayer* parentLayer, RenderObject* startPoint,
bool checkParent=true);
virtual void positionChildLayers() { }
virtual bool requiresLayer();
virtual IntRect getOverflowClipRect(int tx, int ty) { return IntRect(0,0,0,0); }
virtual IntRect getClipRect(int tx, int ty) { return IntRect(0,0,0,0); }
bool hasClip() { return isPositioned() && style()->hasClip(); }
virtual int getBaselineOfFirstLineBox() const { return -1; }
virtual int getBaselineOfLastLineBox() const { return -1; }
virtual bool isEmpty() const { return firstChild() == 0; }
virtual bool isEdited() const { return false; }
virtual void setEdited(bool) { return; };
virtual RenderBlock* firstLineBlock() const;
virtual void updateFirstLetter();
void handleDynamicFloatPositionChange();
RenderBlock* createAnonymousBlock(RenderStyle * style = NULL);
bool hasStaticX() const;
bool hasStaticY() const;
virtual void setStaticX(int staticX) {};
virtual void setStaticY(int staticY) {};
virtual int staticX() const { return 0; }
virtual int staticY() const { return 0; }
virtual bool canHaveChildren() const;
virtual bool isChildAllowed(RenderObject*, RenderStyle*) const { return true; }
virtual void addChild(RenderObject *newChild, RenderObject *beforeChild = 0);
virtual void removeChild(RenderObject *oldChild);
virtual bool createsAnonymousWrapper() const { return false; }
virtual RenderObject* removeChildNode(RenderObject* child);
virtual void appendChildNode(RenderObject* child);
virtual void insertChildNode(RenderObject* child, RenderObject* before);
protected:
void setPreviousSibling(RenderObject *previous) { m_previous = previous; }
void setNextSibling(RenderObject *next) { m_next = next; }
void setParent(RenderObject *parent) { m_parent = parent; }
private:
void addAbsoluteRectForLayer(IntRect& result);
public:
virtual const char *renderName() const { return "RenderObject"; }
#ifndef NDEBUG
DeprecatedString information() const;
virtual void dump(TextStream *stream, DeprecatedString ind = "") const;
void showTreeForThis() const;
#endif
static RenderObject *createObject(Node* node, RenderStyle* style);
void* operator new(size_t sz, RenderArena* renderArena) throw();
void operator delete(void* ptr, size_t sz);
private:
void* operator new(size_t sz) throw();
public:
RenderArena* renderArena() const;
virtual bool isRenderBlock() const { return false; }
virtual bool isRenderInline() const { return false; }
virtual bool isInlineFlow() const { return false; }
virtual bool isBlockFlow() const { return false; }
virtual bool isInlineBlockOrInlineTable() const { return false; }
virtual bool childrenInline() const { return false; }
virtual void setChildrenInline(bool b) { };
virtual RenderFlow* continuation() const;
virtual bool isInlineContinuation() const;
virtual bool isListItem() const { return false; }
virtual bool isListMarker() const { return false; }
virtual bool isRenderView() const { return false; }
inline bool isRoot() const
{
Node * node = element();
return node && node->renderer() == this &&
node->document()->documentElement() == node;
}
bool isBody() const;
bool isHR() const;
virtual bool isBR() const { return false; }
virtual bool isTableCell() const { return false; }
virtual bool isTableRow() const { return false; }
virtual bool isTableSection() const { return false; }
virtual bool isTableCol() const { return false; }
virtual bool isTable() const { return false; }
virtual bool isWidget() const { return false; }
virtual bool isFormElement() const { return false; }
virtual bool isImage() const { return false; }
virtual bool isTextArea() const { return false; }
virtual bool isTextField() const { return false; }
virtual bool isFrame() const { return false; }
virtual bool isFrameSet() const { return false; }
virtual bool isApplet() const { return false; }
#if SVG_SUPPORT
virtual bool isKCanvasContainer() const { return false; }
virtual bool isRenderPath() const { return false; }
virtual FloatRect relativeBBox(bool includeStroke = true) const;
virtual AffineTransform localTransform() const;
virtual void setLocalTransform(const AffineTransform&);
virtual AffineTransform absoluteTransform() const;
#endif
virtual bool isEditable() const;
bool isHTMLMarquee() const;
bool isAnonymous() const { return m_isAnonymous; }
void setIsAnonymous(bool b) { m_isAnonymous = b; }
bool isAnonymousBlock() const { return m_isAnonymous &&
style()->display() == BLOCK &&
style()->styleType() == RenderStyle::NOPSEUDO &&
!isListMarker(); }
bool isFloating() const { return m_floating; }
bool isPositioned() const { return m_positioned; } bool isRelPositioned() const { return m_relPositioned; } bool isText() const { return m_isText; }
bool isInline() const { return m_inline; } bool isCompact() const { return style()->display() == COMPACT; } bool isRunIn() const { return style()->display() == RUN_IN; } bool isDragging() const;
bool isReplaced() const { return m_replaced; } bool shouldPaintBackgroundOrBorder() const { return m_paintBackground; }
bool mustRepaintBackgroundOrBorder() const;
bool needsLayout() const { return m_needsLayout || m_normalChildNeedsLayout || m_posChildNeedsLayout; }
bool selfNeedsLayout() const { return m_needsLayout; }
bool posChildNeedsLayout() const { return m_posChildNeedsLayout; }
bool normalChildNeedsLayout() const { return m_normalChildNeedsLayout; }
bool minMaxKnown() const{ return m_minMaxKnown; }
bool recalcMinMax() const { return m_recalcMinMax; }
bool isSelectionBorder() const;
bool hasOverflowClip() const { return m_hasOverflowClip; }
bool hasAutoVerticalScrollbar() const { return hasOverflowClip() && (style()->overflowY() == OAUTO || style()->overflowY() == OOVERLAY); }
bool hasAutoHorizontalScrollbar() const { return hasOverflowClip() && (style()->overflowX() == OAUTO || style()->overflowX() == OOVERLAY); }
bool scrollsOverflow() const { return scrollsOverflowX() || scrollsOverflowY(); }
bool scrollsOverflowX() const { return hasOverflowClip() && (style()->overflowX() == OSCROLL || hasAutoHorizontalScrollbar()); }
bool scrollsOverflowY() const { return hasOverflowClip() && (style()->overflowY() == OSCROLL || hasAutoVerticalScrollbar()); }
bool includeVerticalScrollbarSize() const { return hasOverflowClip() && (style()->overflowY() == OSCROLL || style()->overflowY() == OAUTO); }
bool includeHorizontalScrollbarSize() const { return hasOverflowClip() && (style()->overflowX() == OSCROLL || style()->overflowX() == OAUTO); }
RenderStyle* getPseudoStyle(RenderStyle::PseudoId pseudo, RenderStyle* parentStyle = 0) const;
void updateDragState(bool dragOn);
RenderView* view() const;
Node* element() const { return m_isAnonymous ? 0 : m_node; }
Document* document() const { return m_node->document(); }
void setNode(Node* node) { m_node = node; }
Node* node() const { return m_node; }
RenderObject *container() const;
RenderObject* hoverAncestor() const;
virtual void markAllDescendantsWithFloatsForLayout(RenderObject* floatToRemove = 0);
void markContainingBlocksForLayout(bool scheduleRelayout = true);
void setNeedsLayout(bool b, bool markParents = true);
void setChildNeedsLayout(bool b, bool markParents = true);
void setMinMaxKnown(bool b=true) {
m_minMaxKnown = b;
if ( !b ) {
RenderObject *o = this;
RenderObject *root = this;
while( o ) { o->m_recalcMinMax = true;
root = o;
o = o->m_parent;
}
}
}
void setNeedsLayoutAndMinMaxRecalc() {
setMinMaxKnown(false);
setNeedsLayout(true);
}
void setPositioned(bool b=true) { m_positioned = b; }
void setRelPositioned(bool b=true) { m_relPositioned = b; }
void setFloating(bool b=true) { m_floating = b; }
void setInline(bool b=true) { m_inline = b; }
void setShouldPaintBackgroundOrBorder(bool b=true) { m_paintBackground = b; }
void setRenderText() { m_isText = true; }
void setReplaced(bool b=true) { m_replaced = b; }
void setHasOverflowClip(bool b = true) { m_hasOverflowClip = b; }
void scheduleRelayout();
void updateBackgroundImages(RenderStyle* oldStyle);
virtual InlineBox* createInlineBox(bool makePlaceHolderBox, bool isRootLineBox, bool isOnlyRun=false);
virtual void dirtyLineBoxes(bool fullLayout, bool isRootLineBox=false);
virtual InlineBox* inlineBoxWrapper() const;
virtual void setInlineBoxWrapper(InlineBox* b);
virtual void deleteLineBoxWrapper();
virtual InlineBox *inlineBox(int offset=0, EAffinity affinity = UPSTREAM);
virtual short lineHeight( bool firstLine, bool isRootLineBox=false ) const;
virtual short verticalPositionHint( bool firstLine ) const;
virtual short baselinePosition( bool firstLine, bool isRootLineBox=false ) const;
int tabWidth() const;
virtual short innerLineHeight() const;
struct PaintInfo {
PaintInfo(GraphicsContext* _p, const IntRect& _r, PaintPhase _phase, bool _forceWhiteText, RenderObject* _paintingRoot, RenderFlowSequencedSet* _outlineObjects)
: p(_p), r(_r), phase(_phase), forceWhiteText(_forceWhiteText), paintingRoot(_paintingRoot), outlineObjects(_outlineObjects) {}
GraphicsContext* p;
IntRect r;
PaintPhase phase;
bool forceWhiteText;
RenderObject* paintingRoot; RenderFlowSequencedSet* outlineObjects; };
virtual void paint(PaintInfo&, int tx, int ty);
void paintBorder(GraphicsContext*, int tx, int ty, int w, int h, const RenderStyle*, bool begin = true, bool end = true);
bool paintBorderImage(GraphicsContext*, int tx, int ty, int w, int h, const RenderStyle* style);
void paintOutline(GraphicsContext*, int tx, int ty, int w, int h, const RenderStyle* style);
virtual void paintBoxDecorations(PaintInfo&, int tx, int ty) {}
virtual void paintBackgroundExtended(GraphicsContext*, const Color&, const BackgroundLayer*, int clipy, int cliph,
int tx, int ty, int w, int height, int bleft, int bright, int pleft, int pright) {}
virtual void calcMinMaxWidth() { }
void recalcMinMaxWidths();
virtual void calcWidth() {}
virtual void layout() = 0;
void layoutIfNeeded() { if (needsLayout()) layout(); }
virtual void updateFromElement() {};
virtual int availableHeight() const { return 0; }
virtual void updateWidgetPosition();
DeprecatedValueList<DashboardRegionValue> computeDashboardRegions();
void addDashboardRegions (DeprecatedValueList<DashboardRegionValue>& regions);
void collectDashboardRegions (DeprecatedValueList<DashboardRegionValue>& regions);
class NodeInfo
{
friend class RenderLayer;
friend class RenderImage;
friend class RenderText;
friend class RenderInline;
friend class RenderObject;
friend class RenderFrameSet;
friend class HTMLAreaElement;
public:
NodeInfo(bool readonly, bool active, bool mouseMove = false)
: m_innerNode(0), m_innerNonSharedNode(0), m_innerURLElement(0), m_readonly(readonly), m_active(active), m_mouseMove(mouseMove)
{ }
Node* innerNode() const { return m_innerNode; }
Node* innerNonSharedNode() const { return m_innerNonSharedNode; }
Element* URLElement() const { return m_innerURLElement; }
bool readonly() const { return m_readonly; }
bool active() const { return m_active; }
bool mouseMove() const { return m_mouseMove; }
void setInnerNode(Node* n) { m_innerNode = n; }
void setInnerNonSharedNode(Node* n) { m_innerNonSharedNode = n; }
void setURLElement(Element* n) { m_innerURLElement = n; }
private:
Node* m_innerNode;
Node* m_innerNonSharedNode;
Element* m_innerURLElement;
bool m_readonly;
bool m_active;
bool m_mouseMove;
};
struct RepaintInfo {
RenderObject* m_object;
IntRect m_repaintRect;
RepaintInfo(RenderObject* o, const IntRect& r) :m_object(o), m_repaintRect(r) {}
};
bool hitTest(NodeInfo& info, int x, int y, int tx, int ty, HitTestFilter hitTestFilter = HitTestAll);
virtual bool nodeAtPoint(NodeInfo& info, int x, int y, int tx, int ty,
HitTestAction hitTestAction);
void setInnerNode(NodeInfo& info);
virtual VisiblePosition positionForCoordinates(int x, int y);
VisiblePosition positionForPoint(const IntPoint& point) { return positionForCoordinates(point.x(), point.y()); }
virtual void dirtyLinesFromChangedChild(RenderObject* child);
virtual void setStyle(RenderStyle* style);
void setStyleInternal(RenderStyle* style);
RenderBlock *containingBlock() const;
virtual int containingBlockWidth() const;
virtual int containingBlockHeight() const;
virtual int contentWidth() const { return 0; }
virtual int contentHeight() const { return 0; }
virtual int intrinsicWidth() const { return 0; }
virtual int intrinsicHeight() const { return 0; }
virtual int overrideSize() const { return 0; }
virtual int overrideWidth() const { return 0; }
virtual int overrideHeight() const { return 0; }
virtual void setOverrideSize(int s) {}
virtual void setPos( int , int ) { }
virtual void setWidth( int ) { }
virtual void setHeight( int ) { }
virtual int xPos() const { return 0; }
virtual int yPos() const { return 0; }
virtual bool absolutePosition(int &, int &, bool fixed = false);
void absolutePositionForContent(int& xPos, int& yPos, bool fixed = false) {
absolutePosition(xPos, yPos, fixed);
yPos += borderTopExtra();
}
virtual int width() const { return 0; }
virtual int height() const { return 0; }
virtual IntRect borderBox() const { return IntRect(0, 0, width(), height()); }
virtual int overflowHeight(bool includeInterior=true) const { return height(); }
virtual int overflowWidth(bool includeInterior=true) const { return width(); }
virtual void setOverflowHeight(int) {}
virtual void setOverflowWidth(int) {}
virtual int overflowLeft(bool includeInterior=true) const { return 0; }
virtual int overflowTop(bool includeInterior=true) const { return 0; }
virtual IntRect overflowRect(bool includeInterior=true) const { return borderBox(); }
virtual int offsetWidth() const { return width(); }
virtual int offsetHeight() const { return height() + borderTopExtra() + borderBottomExtra(); }
virtual int offsetLeft() const;
virtual int offsetTop() const;
virtual RenderObject* offsetParent() const;
int clientLeft() const { return borderLeft(); }
int clientTop() const { return borderTop(); }
int clientWidth() const;
int clientHeight() const;
virtual int scrollLeft() const;
virtual int scrollTop() const;
virtual int scrollWidth() const;
virtual int scrollHeight() const;
virtual void setScrollLeft(int);
virtual void setScrollTop(int);
virtual bool scroll(ScrollDirection direction, ScrollGranularity granularity, float multiplier=1.0);
virtual bool isSelfCollapsingBlock() const { return false; }
virtual int collapsedMarginTop() const
{ return maxTopMargin(true)-maxTopMargin(false); }
virtual int collapsedMarginBottom() const
{ return maxBottomMargin(true)-maxBottomMargin(false); }
virtual bool isTopMarginQuirk() const { return false; }
virtual bool isBottomMarginQuirk() const { return false; }
virtual int maxTopMargin(bool positive) const {
if (positive)
if (marginTop() > 0)
return marginTop();
else
return 0;
else
if (marginTop() < 0)
return 0 - marginTop();
else
return 0;
}
virtual int maxBottomMargin(bool positive) const {
if (positive)
if (marginBottom() > 0)
return marginBottom();
else
return 0;
else
if (marginBottom() < 0)
return 0 - marginBottom();
else
return 0;
}
virtual int marginTop() const { return 0; }
virtual int marginBottom() const { return 0; }
virtual int marginLeft() const { return 0; }
virtual int marginRight() const { return 0; }
virtual int paddingTop() const;
virtual int paddingBottom() const;
virtual int paddingLeft() const;
virtual int paddingRight() const;
virtual int borderTop() const { return style()->borderTopWidth(); }
virtual int borderBottom() const { return style()->borderBottomWidth(); }
virtual int borderTopExtra() const { return 0; }
virtual int borderBottomExtra() const { return 0; }
virtual int borderLeft() const { return style()->borderLeftWidth(); }
virtual int borderRight() const { return style()->borderRightWidth(); }
virtual DeprecatedValueList<IntRect> lineBoxRects();
virtual void absoluteRects(DeprecatedValueList<IntRect>& rects, int tx, int ty);
IntRect absoluteBoundingBoxRect();
IntRect paintingRootRect(IntRect& topLevelRect);
virtual void addFocusRingRects(GraphicsContext*, int tx, int ty);
virtual int minWidth() const { return 0; }
virtual int maxWidth() const { return 0; }
RenderStyle* style() const { return m_style; }
RenderStyle* firstLineStyle() const;
RenderStyle* style(bool firstLine) const { return firstLine ? firstLineStyle() : style(); }
void getTextDecorationColors(int decorations, Color& underline, Color& overline,
Color& linethrough, bool quirksMode=false);
enum BorderSide {
BSTop, BSBottom, BSLeft, BSRight
};
void drawBorderArc(GraphicsContext*, int x, int y, float thickness, IntSize radius, int angleStart,
int angleSpan, BorderSide, Color, EBorderStyle, bool firstCorner);
void drawBorder(GraphicsContext*, int x1, int y1, int x2, int y2, BorderSide,
Color, const Color& textcolor, EBorderStyle, int adjbw1, int adjbw2, bool invalidisInvert = false);
virtual void setTable(RenderTable*) {};
virtual void collectBorders(DeprecatedValueList<CollapsedBorderValue>& borderStyles);
void repaint(bool immediate = false);
void repaintRectangle(const IntRect& r, bool immediate = false);
bool repaintAfterLayoutIfNeeded(const IntRect& oldBounds, const IntRect& oldFullBounds);
virtual void repaintDuringLayoutIfMoved(int oldX, int oldY);
virtual void repaintOverhangingFloats(bool paintAllDescendants = false);
virtual void repaintObjectsBeforeLayout();
bool checkForRepaintDuringLayout() const;
virtual IntRect getAbsoluteRepaintRect();
IntRect getAbsoluteRepaintRectWithOutline(int ow);
virtual void getAbsoluteRepaintRectIncludingFloats(IntRect& bounds, IntRect& boundsWithChildren);
virtual void computeAbsoluteRepaintRect(IntRect& r, bool f=false);
virtual unsigned int length() const { return 1; }
bool isFloatingOrPositioned() const { return (isFloating() || isPositioned()); };
virtual bool containsFloats() { return false; }
virtual bool containsFloat(RenderObject* o) { return false; }
virtual bool hasOverhangingFloats() { return false; }
virtual IntRect floatRect() const { return borderBox(); }
virtual void removePositionedObjects(RenderBlock*) { }
bool avoidsFloats() const;
bool shrinkToAvoidFloats() const;
virtual void position(InlineBox*, int, int, bool, bool) {}
bool isTransparent() const { return style()->opacity() < 1.0f; }
float opacity() const { return style()->opacity(); }
int maximalOutlineSize(PaintPhase p) const;
enum SelectionState {
SelectionNone, SelectionStart, SelectionInside, SelectionEnd, SelectionBoth };
virtual SelectionState selectionState() const { return SelectionNone; }
virtual void setSelectionState(SelectionState s) { if (parent()) parent()->setSelectionState(s); }
virtual IntRect selectionRect() { return IntRect(); }
virtual bool canBeSelectionLeaf() const { return false; }
virtual bool hasSelectedChildren() const { return false; }
bool canSelect() const;
bool shouldSelect() const;
Color selectionBackgroundColor() const;
Color selectionForegroundColor() const;
virtual bool shouldPaintSelectionGaps() const { return false; }
struct SelectionInfo {
RenderObject* m_object;
IntRect m_rect;
RenderObject::SelectionState m_state;
RenderObject* object() const { return m_object; }
IntRect rect() const { return m_rect; }
SelectionState state() const { return m_state; }
SelectionInfo() { m_object = 0; m_state = SelectionNone; }
SelectionInfo(RenderObject* o) :m_object(o), m_rect(o->selectionRect()), m_state(o->selectionState()) {}
};
Node* draggableNode(bool dhtmlOK, bool uaOK, int x, int y, bool& dhtmlWillDrag) const;
virtual IntRect caretRect(int offset, EAffinity affinity = UPSTREAM, int *extraWidthToEndOfLine = 0);
virtual int lowestPosition(bool includeOverflowInterior=true, bool includeSelf=true) const { return 0; }
virtual int rightmostPosition(bool includeOverflowInterior=true, bool includeSelf=true) const { return 0; }
virtual int leftmostPosition(bool includeOverflowInterior=true, bool includeSelf=true) const { return 0; }
virtual void calcVerticalMargins() {}
void removeFromObjectLists();
bool documentBeingDestroyed() const;
virtual void destroy();
const Font& font(bool firstLine) const {
return style(firstLine)->font();
}
virtual bool isFlexibleBox() const { return false; }
virtual bool isFlexingChildren() const { return false; }
virtual bool isStretchingChildren() const { return false; }
UChar backslashAsCurrencySymbol() 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;
virtual void imageChanged(CachedImage*);
virtual bool willRenderImage(CachedImage*);
virtual void selectionStartEnd(int& spos, int& epos);
RenderObject* paintingRootForChildren(PaintInfo &i) const {
return (!i.paintingRoot || i.paintingRoot == this) ? 0 : i.paintingRoot;
}
bool shouldPaintWithinRoot(PaintInfo &i) const {
return !i.paintingRoot || i.paintingRoot == this;
}
protected:
virtual void printBoxDecorations(GraphicsContext*, int , int ,
int , int , int , int ) {}
virtual IntRect viewRect() const;
void remove() { if (parent()) parent()->removeChild(this); }
void invalidateVerticalPositions();
short getVerticalPosition(bool firstLine) const;
virtual void removeLeftoverAnonymousBoxes();
void arenaDelete(RenderArena*, void* objectBase);
private:
RenderStyle* m_style;
Node* m_node;
RenderObject *m_parent;
RenderObject *m_previous;
RenderObject *m_next;
mutable short m_verticalPosition;
bool m_needsLayout : 1;
bool m_normalChildNeedsLayout : 1;
bool m_posChildNeedsLayout : 1;
bool m_minMaxKnown : 1;
bool m_floating : 1;
bool m_positioned : 1;
bool m_relPositioned : 1;
bool m_paintBackground : 1;
bool m_isAnonymous : 1;
bool m_recalcMinMax : 1;
bool m_isText : 1;
bool m_inline : 1;
bool m_replaced : 1;
bool m_isDragging : 1;
bool m_hasOverflowClip : 1;
friend class RenderListItem;
friend class RenderContainer;
friend class RenderView;
};
enum VerticalPositionHint {
PositionTop = -0x4000,
PositionBottom = 0x4000,
PositionUndefined = 0x3fff
};
}
#ifndef NDEBUG
void showTree(const WebCore::RenderObject*);
#endif
#endif