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191 lines
9.6 KiB
C++
191 lines
9.6 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef RenderInline_h
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#define RenderInline_h
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#include "core/editing/PositionWithAffinity.h"
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#include "core/rendering/InlineFlowBox.h"
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#include "core/rendering/RenderBoxModelObject.h"
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#include "core/rendering/RenderLineBoxList.h"
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namespace blink {
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class RenderInline : public RenderBoxModelObject {
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public:
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explicit RenderInline(Element*);
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virtual void trace(Visitor*) OVERRIDE;
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static RenderInline* createAnonymous(Document*);
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RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); }
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RenderObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); }
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// If you have a RenderInline, use firstChild or lastChild instead.
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void slowFirstChild() const WTF_DELETED_FUNCTION;
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void slowLastChild() const WTF_DELETED_FUNCTION;
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virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) OVERRIDE;
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Element* node() const { return toElement(RenderBoxModelObject::node()); }
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virtual LayoutUnit marginLeft() const OVERRIDE FINAL;
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virtual LayoutUnit marginRight() const OVERRIDE FINAL;
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virtual LayoutUnit marginTop() const OVERRIDE FINAL;
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virtual LayoutUnit marginBottom() const OVERRIDE FINAL;
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virtual LayoutUnit marginBefore(const RenderStyle* otherStyle = 0) const OVERRIDE FINAL;
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virtual LayoutUnit marginAfter(const RenderStyle* otherStyle = 0) const OVERRIDE FINAL;
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virtual LayoutUnit marginStart(const RenderStyle* otherStyle = 0) const OVERRIDE FINAL;
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virtual LayoutUnit marginEnd(const RenderStyle* otherStyle = 0) const OVERRIDE FINAL;
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virtual void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const OVERRIDE FINAL;
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virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const OVERRIDE;
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virtual LayoutSize offsetFromContainer(const RenderObject*, const LayoutPoint&, bool* offsetDependsOnPoint = 0) const OVERRIDE FINAL;
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IntRect linesBoundingBox() const;
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LayoutRect linesVisualOverflowBoundingBox() const;
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InlineFlowBox* createAndAppendInlineFlowBox();
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void dirtyLineBoxes(bool fullLayout);
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void deleteLineBoxTree();
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RenderLineBoxList* lineBoxes() { return &m_lineBoxes; }
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const RenderLineBoxList* lineBoxes() const { return &m_lineBoxes; }
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InlineFlowBox* firstLineBox() const { return m_lineBoxes.firstLineBox(); }
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InlineFlowBox* lastLineBox() const { return m_lineBoxes.lastLineBox(); }
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InlineBox* firstLineBoxIncludingCulling() const { return alwaysCreateLineBoxes() ? firstLineBox() : culledInlineFirstLineBox(); }
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InlineBox* lastLineBoxIncludingCulling() const { return alwaysCreateLineBoxes() ? lastLineBox() : culledInlineLastLineBox(); }
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virtual RenderBoxModelObject* virtualContinuation() const OVERRIDE FINAL { return continuation(); }
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RenderInline* inlineElementContinuation() const;
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LayoutSize offsetForInFlowPositionedInline(const RenderBox& child) const;
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virtual void addFocusRingRects(Vector<IntRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer = 0) const OVERRIDE FINAL;
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void paintOutline(PaintInfo&, const LayoutPoint&);
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using RenderBoxModelObject::continuation;
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virtual void setContinuation(RenderBoxModelObject*) OVERRIDE FINAL;
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bool alwaysCreateLineBoxes() const { return alwaysCreateLineBoxesForRenderInline(); }
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void setAlwaysCreateLineBoxes(bool alwaysCreateLineBoxes = true) { setAlwaysCreateLineBoxesForRenderInline(alwaysCreateLineBoxes); }
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void updateAlwaysCreateLineBoxes(bool fullLayout);
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virtual LayoutRect localCaretRect(InlineBox*, int, LayoutUnit* extraWidthToEndOfLine) OVERRIDE FINAL;
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bool hitTestCulledInline(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset);
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protected:
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virtual void willBeDestroyed() OVERRIDE;
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virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
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virtual void computeSelfHitTestRects(Vector<LayoutRect>& rects, const LayoutPoint& layerOffset) const OVERRIDE;
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private:
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virtual RenderObjectChildList* virtualChildren() OVERRIDE FINAL { return children(); }
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virtual const RenderObjectChildList* virtualChildren() const OVERRIDE FINAL { return children(); }
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const RenderObjectChildList* children() const { return &m_children; }
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RenderObjectChildList* children() { return &m_children; }
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virtual const char* renderName() const OVERRIDE;
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virtual bool isRenderInline() const OVERRIDE FINAL { return true; }
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LayoutRect culledInlineVisualOverflowBoundingBox() const;
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InlineBox* culledInlineFirstLineBox() const;
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InlineBox* culledInlineLastLineBox() const;
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template<typename GeneratorContext>
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void generateLineBoxRects(GeneratorContext& yield) const;
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template<typename GeneratorContext>
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void generateCulledLineBoxRects(GeneratorContext& yield, const RenderInline* container) const;
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void addChildToContinuation(RenderObject* newChild, RenderObject* beforeChild);
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virtual void addChildIgnoringContinuation(RenderObject* newChild, RenderObject* beforeChild = 0) OVERRIDE FINAL;
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void splitInlines(RenderBlock* fromBlock, RenderBlock* toBlock, RenderBlock* middleBlock,
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RenderObject* beforeChild, RenderBoxModelObject* oldCont);
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void splitFlow(RenderObject* beforeChild, RenderBlock* newBlockBox,
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RenderObject* newChild, RenderBoxModelObject* oldCont);
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virtual void layout() OVERRIDE FINAL { ASSERT_NOT_REACHED(); } // Do nothing for layout()
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virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE FINAL;
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virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE FINAL;
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virtual LayerType layerTypeRequired() const OVERRIDE { return isRelPositioned() || createsGroup() || hasClipPath() || style()->shouldCompositeForCurrentAnimations() ? NormalLayer : NoLayer; }
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virtual LayoutUnit offsetLeft() const OVERRIDE FINAL;
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virtual LayoutUnit offsetTop() const OVERRIDE FINAL;
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virtual LayoutUnit offsetWidth() const OVERRIDE FINAL { return linesBoundingBox().width(); }
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virtual LayoutUnit offsetHeight() const OVERRIDE FINAL { return linesBoundingBox().height(); }
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virtual LayoutRect clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* = 0) const OVERRIDE;
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virtual LayoutRect rectWithOutlineForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, LayoutUnit outlineWidth, const PaintInvalidationState* = 0) const OVERRIDE FINAL;
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virtual void mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const OVERRIDE FINAL;
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virtual void mapLocalToContainer(const RenderLayerModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0, const PaintInvalidationState* = 0) const OVERRIDE;
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virtual PositionWithAffinity positionForPoint(const LayoutPoint&) OVERRIDE FINAL;
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virtual IntRect borderBoundingBox() const OVERRIDE FINAL
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{
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IntRect boundingBox = linesBoundingBox();
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return IntRect(0, 0, boundingBox.width(), boundingBox.height());
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}
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virtual InlineFlowBox* createInlineFlowBox(); // Subclassed by SVG and Ruby
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virtual void dirtyLinesFromChangedChild(RenderObject* child) OVERRIDE FINAL { m_lineBoxes.dirtyLinesFromChangedChild(this, child); }
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virtual LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE FINAL;
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virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE FINAL;
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virtual void childBecameNonInline(RenderObject* child) OVERRIDE FINAL;
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virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&) OVERRIDE FINAL;
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virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) OVERRIDE FINAL;
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virtual void updateFromStyle() OVERRIDE FINAL;
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RenderInline* clone() const;
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void paintOutlineForLine(GraphicsContext*, const LayoutPoint&, const LayoutRect& prevLine, const LayoutRect& thisLine,
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const LayoutRect& nextLine, const Color);
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RenderBoxModelObject* continuationBefore(RenderObject* beforeChild);
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RenderObjectChildList m_children;
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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.
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};
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DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderInline, isRenderInline());
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} // namespace blink
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#endif // RenderInline_h
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