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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 "core/editing/PositionWithAffinity.h"
#include "core/rendering/InlineFlowBox.h"
#include "core/rendering/RenderBoxModelObject.h"
#include "core/rendering/RenderLineBoxList.h"
namespace blink {
class RenderInline : public RenderBoxModelObject {
public:
explicit RenderInline(Element*);
virtual void trace(Visitor*) override;
static RenderInline* createAnonymous(Document*);
RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); }
RenderObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); }
// If you have a RenderInline, use firstChild or lastChild instead.
void slowFirstChild() const = delete;
void slowLastChild() const = delete;
virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) override;
Element* node() const { return toElement(RenderBoxModelObject::node()); }
virtual LayoutRectOutsets marginBoxOutsets() const override final;
virtual LayoutUnit marginLeft() const override final;
virtual LayoutUnit marginRight() const override final;
virtual LayoutUnit marginTop() const override final;
virtual LayoutUnit marginBottom() const override final;
virtual LayoutUnit marginBefore(const RenderStyle* otherStyle = 0) const override final;
virtual LayoutUnit marginAfter(const RenderStyle* otherStyle = 0) const override final;
virtual LayoutUnit marginStart(const RenderStyle* otherStyle = 0) const override final;
virtual LayoutUnit marginEnd(const RenderStyle* otherStyle = 0) const override final;
virtual void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const override final;
virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const override;
virtual LayoutSize offsetFromContainer(const RenderObject*, const LayoutPoint&, bool* offsetDependsOnPoint = 0) const override final;
IntRect linesBoundingBox() const;
LayoutRect linesVisualOverflowBoundingBox() const;
InlineFlowBox* createAndAppendInlineFlowBox();
void dirtyLineBoxes(bool fullLayout);
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 override final { return continuation(); }
RenderInline* inlineElementContinuation() const;
virtual void updateDragState(bool dragOn) override final;
LayoutSize offsetForInFlowPositionedInline(const RenderBox& child) const;
virtual void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& additionalOffset) const override final;
using RenderBoxModelObject::continuation;
using RenderBoxModelObject::setContinuation;
bool alwaysCreateLineBoxes() const { return alwaysCreateLineBoxesForRenderInline(); }
void setAlwaysCreateLineBoxes(bool alwaysCreateLineBoxes = true) { setAlwaysCreateLineBoxesForRenderInline(alwaysCreateLineBoxes); }
void updateAlwaysCreateLineBoxes(bool fullLayout);
virtual LayoutRect localCaretRect(InlineBox*, int, LayoutUnit* extraWidthToEndOfLine) override final;
bool hitTestCulledInline(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset);
protected:
virtual void willBeDestroyed() override;
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
virtual void computeSelfHitTestRects(Vector<LayoutRect>& rects, const LayoutPoint& layerOffset) const override;
private:
virtual RenderObjectChildList* virtualChildren() override final { return children(); }
virtual const RenderObjectChildList* virtualChildren() const override final { return children(); }
const RenderObjectChildList* children() const { return &m_children; }
RenderObjectChildList* children() { return &m_children; }
virtual const char* renderName() const override;
virtual bool isRenderInline() const override final { 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) override final;
void moveChildrenToIgnoringContinuation(RenderInline* to, RenderObject* startChild);
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() override final { ASSERT_NOT_REACHED(); } // Do nothing for layout()
virtual void paint(const PaintInfo&, const LayoutPoint&) override final;
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override final;
virtual LayerType layerTypeRequired() const override { return isRelPositioned() || createsGroup() || hasClipPath() || style()->shouldCompositeForCurrentAnimations() ? NormalLayer : NoLayer; }
virtual LayoutUnit offsetLeft() const override final;
virtual LayoutUnit offsetTop() const override final;
virtual LayoutUnit offsetWidth() const override final { return linesBoundingBox().width(); }
virtual LayoutUnit offsetHeight() const override final { return linesBoundingBox().height(); }
virtual LayoutRect absoluteClippedOverflowRect() const override;
virtual LayoutRect clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* = 0) const override;
virtual LayoutRect rectWithOutlineForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, LayoutUnit outlineWidth, const PaintInvalidationState* = 0) const override final;
virtual void mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const override final;
// This method differs from clippedOverflowRectForPaintInvalidation in that it includes
// the rects for culled inline boxes, which aren't necessary for paint invalidation.
LayoutRect clippedOverflowRect(const RenderLayerModelObject*, const PaintInvalidationState* = 0) const;
virtual void mapLocalToContainer(const RenderLayerModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0, const PaintInvalidationState* = 0) const override;
virtual PositionWithAffinity positionForPoint(const LayoutPoint&) override final;
virtual IntRect borderBoundingBox() const override final
{
IntRect boundingBox = linesBoundingBox();
return IntRect(0, 0, boundingBox.width(), boundingBox.height());
}
virtual InlineFlowBox* createInlineFlowBox(); // Subclassed by SVG and Ruby
virtual void dirtyLinesFromChangedChild(RenderObject* child) override final { m_lineBoxes.dirtyLinesFromChangedChild(this, child); }
virtual LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override final;
virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override final;
virtual void childBecameNonInline(RenderObject* child) override final;
virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&) override final;
virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) override final;
virtual void addAnnotatedRegions(Vector<AnnotatedRegionValue>&) override final;
virtual void updateFromStyle() override final;
RenderInline* clone() const;
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.
};
DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderInline, isRenderInline());
} // namespace blink
#endif // RenderInline_h
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