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/*
* This file is part of the render object implementation for KHTML.
*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003 Apple Computer, Inc.
*
* 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 RenderInline_h
#define RenderInline_h
#include "RenderBoxModelObject.h"
#include "RenderLineBoxList.h"
namespace WebCore {
class Position;
class RenderInline : public RenderBoxModelObject {
public:
RenderInline(Node*);
virtual ~RenderInline();
virtual RenderObjectChildList* virtualChildren() { return children(); }
virtual const RenderObjectChildList* virtualChildren() const { return children(); }
const RenderObjectChildList* children() const { return &m_children; }
RenderObjectChildList* children() { return &m_children; }
virtual void destroy();
virtual const char* renderName() const;
virtual bool isRenderInline() const { return true; }
virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0);
void addChildToContinuation(RenderObject* newChild, RenderObject* beforeChild);
virtual void addChildIgnoringContinuation(RenderObject* newChild, RenderObject* beforeChild = 0);
void splitInlines(RenderBlock* fromBlock, RenderBlock* toBlock, RenderBlock* middleBlock,
RenderObject* beforeChild, RenderBoxModelObject* oldCont);
void splitFlow(RenderObject* beforeChild, RenderBlock* newBlockBox,
RenderObject* newChild, RenderBoxModelObject* oldCont);
virtual void layout() { ASSERT_NOT_REACHED(); } // Do nothing for layout()
virtual void paint(PaintInfo&, int tx, int ty);
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
virtual bool requiresLayer() const { return isRelPositioned() || isTransparent() || hasMask(); }
virtual int offsetLeft() const;
virtual int offsetTop() const;
virtual int offsetWidth() const { return linesBoundingBox().width(); }
virtual int offsetHeight() const { return linesBoundingBox().height(); }
// Just ignore top/bottom margins on RenderInlines.
virtual int marginTop() const { return 0; }
virtual int marginBottom() const { return 0; }
virtual int marginLeft() const;
virtual int marginRight() const;
virtual void absoluteRects(Vector<IntRect>&, int tx, int ty);
virtual void absoluteQuads(Vector<FloatQuad>&);
virtual IntRect clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer);
virtual IntRect rectWithOutlineForRepaint(RenderBoxModelObject* repaintContainer, int outlineWidth);
virtual void computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& rect, bool fixed);
virtual VisiblePosition positionForPoint(const IntPoint&);
IntRect linesBoundingBox() const;
virtual IntRect borderBoundingBox() const
{
IntRect boundingBox = linesBoundingBox();
return IntRect(0, 0, boundingBox.width(), boundingBox.height());
}
InlineFlowBox* createInlineFlowBox();
void dirtyLineBoxes(bool fullLayout);
virtual void dirtyLinesFromChangedChild(RenderObject* child) { m_lineBoxes.dirtyLinesFromChangedChild(this, child); }
RenderLineBoxList* lineBoxes() { return &m_lineBoxes; }
const RenderLineBoxList* lineBoxes() const { return &m_lineBoxes; }
InlineFlowBox* firstLineBox() const { return m_lineBoxes.firstLineBox(); }
InlineFlowBox* lastLineBox() const { return m_lineBoxes.lastLineBox(); }
virtual int lineHeight(bool firstLine, bool isRootLineBox = false) const;
RenderBoxModelObject* continuation() const { return m_continuation; }
RenderInline* inlineContinuation() const;
void setContinuation(RenderBoxModelObject* c) { m_continuation = c; }
virtual void updateDragState(bool dragOn);
virtual void childBecameNonInline(RenderObject* child);
virtual void updateHitTestResult(HitTestResult&, const IntPoint&);
IntSize relativePositionedInlineOffset(const RenderBox* child) const;
virtual void addFocusRingRects(GraphicsContext*, int tx, int ty);
void paintOutline(GraphicsContext*, int tx, int ty);
virtual void imageChanged(WrappedImagePtr, const IntRect* = 0);
int verticalPositionFromCache(bool firstLine) const;
void invalidateVerticalPosition() { m_verticalPosition = PositionUndefined; }
#if ENABLE(DASHBOARD_SUPPORT)
virtual void addDashboardRegions(Vector<DashboardRegionValue>&);
#endif
protected:
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
virtual void updateBoxModelInfoFromStyle();
virtual InlineFlowBox* createFlowBox(); // Subclassed by SVG
static RenderInline* cloneInline(RenderInline* src);
private:
void paintOutlineForLine(GraphicsContext*, int tx, int ty, const IntRect& prevLine, const IntRect& thisLine, const IntRect& nextLine);
RenderBoxModelObject* continuationBefore(RenderObject* beforeChild);
protected:
RenderObjectChildList m_children;
RenderLineBoxList m_lineBoxes; // All of the line boxes created for this inline flow. For example, <i>Hello<br>world.</i> will have two <i> line boxes.
private:
RenderBoxModelObject* m_continuation; // Can be either a block or an inline. <b><i><p>Hello</p></i></b>. In this example the <i> will have a block as its continuation but the
// <b> will just have an inline as its continuation.
mutable int m_lineHeight;
mutable int m_verticalPosition;
};
inline RenderInline* toRenderInline(RenderObject* o)
{
ASSERT(!o || o->isRenderInline());
return static_cast<RenderInline*>(o);
}
inline const RenderInline* toRenderInline(const RenderObject* o)
{
ASSERT(!o || o->isRenderInline());
return static_cast<const RenderInline*>(o);
}
// This will catch anyone doing an unnecessary cast.
void toRenderInline(const RenderInline*);
} // namespace WebCore
#endif // RenderInline_h
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