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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 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 RenderInline_h
#define RenderInline_h
#include "InlineFlowBox.h"
#include "RenderBoxModelObject.h"
#include "RenderLineBoxList.h"
namespace WebCore {
class Position;
class RenderInline : public RenderBoxModelObject {
public:
explicit RenderInline(Element*);
static RenderInline* createAnonymous(Document*);
RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); }
RenderObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); }
virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0);
Element* node() const { return toElement(RenderBoxModelObject::node()); }
virtual LayoutUnit marginLeft() const;
virtual LayoutUnit marginRight() const;
virtual LayoutUnit marginTop() const;
virtual LayoutUnit marginBottom() const;
virtual LayoutUnit marginBefore(const RenderStyle* otherStyle = 0) const;
virtual LayoutUnit marginAfter(const RenderStyle* otherStyle = 0) const;
virtual LayoutUnit marginStart(const RenderStyle* otherStyle = 0) const;
virtual LayoutUnit marginEnd(const RenderStyle* otherStyle = 0) const;
virtual void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const;
virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const;
virtual LayoutSize offsetFromContainer(RenderObject*, const LayoutPoint&, bool* offsetDependsOnPoint = 0) const;
IntRect linesBoundingBox() const;
LayoutRect linesVisualOverflowBoundingBox() const;
InlineFlowBox* createAndAppendInlineFlowBox();
void dirtyLineBoxes(bool fullLayout);
void deleteLineBoxTree();
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(); }
InlineBox* firstLineBoxIncludingCulling() const { return alwaysCreateLineBoxes() ? firstLineBox() : culledInlineFirstLineBox(); }
InlineBox* lastLineBoxIncludingCulling() const { return alwaysCreateLineBoxes() ? lastLineBox() : culledInlineLastLineBox(); }
virtual RenderBoxModelObject* virtualContinuation() const { return continuation(); }
RenderInline* inlineElementContinuation() const;
virtual void updateDragState(bool dragOn);
LayoutSize offsetForInFlowPositionedInline(const RenderBox* child) const;
virtual void addFocusRingRects(Vector<IntRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer = 0) OVERRIDE;
void paintOutline(PaintInfo&, const LayoutPoint&);
using RenderBoxModelObject::continuation;
using RenderBoxModelObject::setContinuation;
bool alwaysCreateLineBoxes() const { return m_alwaysCreateLineBoxes; }
void setAlwaysCreateLineBoxes() { m_alwaysCreateLineBoxes = true; }
void updateAlwaysCreateLineBoxes(bool fullLayout);
virtual LayoutRect localCaretRect(InlineBox*, int, LayoutUnit* extraWidthToEndOfLine) OVERRIDE;
bool hitTestCulledInline(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset);
protected:
virtual void willBeDestroyed();
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
private:
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 const char* renderName() const;
virtual bool isRenderInline() const { return true; }
LayoutRect culledInlineVisualOverflowBoundingBox() const;
InlineBox* culledInlineFirstLineBox() const;
InlineBox* culledInlineLastLineBox() const;
template<typename GeneratorContext>
void generateLineBoxRects(GeneratorContext& yield) const;
template<typename GeneratorContext>
void generateCulledLineBoxRects(GeneratorContext& yield, const RenderInline* container) const;
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&, const LayoutPoint&);
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE;
virtual bool requiresLayer() const { return isInFlowPositioned() || createsGroup() || hasClipPath(); }
virtual LayoutUnit offsetLeft() const;
virtual LayoutUnit offsetTop() const;
virtual LayoutUnit offsetWidth() const { return linesBoundingBox().width(); }
virtual LayoutUnit offsetHeight() const { return linesBoundingBox().height(); }
virtual LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const OVERRIDE;
virtual LayoutRect rectWithOutlineForRepaint(const RenderLayerModelObject* repaintContainer, LayoutUnit outlineWidth) const OVERRIDE;
virtual void computeRectForRepaint(const RenderLayerModelObject* repaintContainer, LayoutRect&, bool fixed) const OVERRIDE;
virtual void mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0) const OVERRIDE;
virtual const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const OVERRIDE;
virtual VisiblePosition positionForPoint(const LayoutPoint&);
virtual LayoutRect frameRectForStickyPositioning() const OVERRIDE { return linesBoundingBox(); }
virtual IntRect borderBoundingBox() const
{
IntRect boundingBox = linesBoundingBox();
return IntRect(0, 0, boundingBox.width(), boundingBox.height());
}
virtual InlineFlowBox* createInlineFlowBox(); // Subclassed by SVG and Ruby
virtual void dirtyLinesFromChangedChild(RenderObject* child) { m_lineBoxes.dirtyLinesFromChangedChild(this, child); }
virtual LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const;
virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const;
virtual void childBecameNonInline(RenderObject* child);
virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&);
virtual void imageChanged(WrappedImagePtr, const IntRect* = 0);
#if ENABLE(DASHBOARD_SUPPORT) || ENABLE(DRAGGABLE_REGION)
virtual void addAnnotatedRegions(Vector<AnnotatedRegionValue>&);
#endif
virtual void updateFromStyle() OVERRIDE;
RenderInline* clone() const;
void paintOutlineForLine(GraphicsContext*, const LayoutPoint&, const LayoutRect& prevLine, const LayoutRect& thisLine,
const LayoutRect& nextLine, const Color);
RenderBoxModelObject* continuationBefore(RenderObject* beforeChild);
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.
bool m_alwaysCreateLineBoxes : 1;
};
inline RenderInline* toRenderInline(RenderObject* object)
{
ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isRenderInline());
return static_cast<RenderInline*>(object);
}
inline const RenderInline* toRenderInline(const RenderObject* object)
{
ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isRenderInline());
return static_cast<const RenderInline*>(object);
}
// This will catch anyone doing an unnecessary cast.
void toRenderInline(const RenderInline*);
} // namespace WebCore
#endif // RenderInline_h
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