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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.
*
*/
#pragma once
#include "InlineFlowBox.h"
#include "RenderBoxModelObject.h"
#include "RenderLineBoxList.h"
namespace WebCore {
class Position;
class RenderRegion;
class RenderInline : public RenderBoxModelObject {
public:
RenderInline(Element&, RenderStyle&&);
RenderInline(Document&, RenderStyle&&);
void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) override;
LayoutUnit marginLeft() const final;
LayoutUnit marginRight() const final;
LayoutUnit marginTop() const final;
LayoutUnit marginBottom() const final;
LayoutUnit marginBefore(const RenderStyle* otherStyle = 0) const final;
LayoutUnit marginAfter(const RenderStyle* otherStyle = 0) const final;
LayoutUnit marginStart(const RenderStyle* otherStyle = 0) const final;
LayoutUnit marginEnd(const RenderStyle* otherStyle = 0) const final;
void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const final;
void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const override;
LayoutSize offsetFromContainer(RenderElement&, const LayoutPoint&, bool* offsetDependsOnPoint = nullptr) const final;
LayoutRect borderBoundingBox() const final
{
return LayoutRect(LayoutPoint(), linesBoundingBox().size());
}
WEBCORE_EXPORT IntRect linesBoundingBox() const;
LayoutRect linesVisualOverflowBoundingBox() const;
LayoutRect linesVisualOverflowBoundingBoxInRegion(const RenderRegion*) const;
InlineFlowBox* createAndAppendInlineFlowBox();
void dirtyLineBoxes(bool fullLayout);
void deleteLines();
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(); }
#if PLATFORM(IOS)
void absoluteQuadsForSelection(Vector<FloatQuad>& quads) const override;
#endif
RenderBoxModelObject* virtualContinuation() const final { return continuation(); }
RenderInline* inlineElementContinuation() const;
void updateDragState(bool dragOn) final;
LayoutSize offsetForInFlowPositionedInline(const RenderBox* child) const;
void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer = 0) final;
void paintOutline(PaintInfo&, const LayoutPoint&);
using RenderBoxModelObject::continuation;
using RenderBoxModelObject::setContinuation;
bool alwaysCreateLineBoxes() const { return renderInlineAlwaysCreatesLineBoxes(); }
void setAlwaysCreateLineBoxes() { setRenderInlineAlwaysCreatesLineBoxes(true); }
void updateAlwaysCreateLineBoxes(bool fullLayout);
LayoutRect localCaretRect(InlineBox*, unsigned, LayoutUnit* extraWidthToEndOfLine) final;
bool hitTestCulledInline(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset);
protected:
void willBeDestroyed() override;
void styleWillChange(StyleDifference, const RenderStyle& newStyle) override;
void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
void updateFromStyle() override;
private:
const char* renderName() const override;
bool canHaveChildren() const 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);
void addChildIgnoringContinuation(RenderObject* newChild, RenderObject* beforeChild = nullptr) final;
void splitInlines(RenderBlock* fromBlock, RenderBlock* toBlock, RenderBlock* middleBlock,
RenderObject* beforeChild, RenderBoxModelObject* oldCont);
void splitFlow(RenderObject* beforeChild, RenderBlock* newBlockBox,
RenderObject* newChild, RenderBoxModelObject* oldCont);
void layout() final { ASSERT_NOT_REACHED(); } // Do nothing for layout()
void paint(PaintInfo&, const LayoutPoint&) final;
bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) final;
bool requiresLayer() const override { return isInFlowPositioned() || createsGroup() || hasClipPath() || willChangeCreatesStackingContext(); }
LayoutUnit offsetLeft() const final;
LayoutUnit offsetTop() const final;
LayoutUnit offsetWidth() const final { return linesBoundingBox().width(); }
LayoutUnit offsetHeight() const final { return linesBoundingBox().height(); }
LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const override;
LayoutRect rectWithOutlineForRepaint(const RenderLayerModelObject* repaintContainer, LayoutUnit outlineWidth) const final;
LayoutRect computeRectForRepaint(const LayoutRect&, const RenderLayerModelObject* repaintContainer, RepaintContext = { }) const final;
void mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState&, MapCoordinatesFlags, bool* wasFixed) const override;
const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const override;
VisiblePosition positionForPoint(const LayoutPoint&, const RenderRegion*) final;
LayoutRect frameRectForStickyPositioning() const final { return linesBoundingBox(); }
virtual std::unique_ptr<InlineFlowBox> createInlineFlowBox(); // Subclassed by RenderSVGInline
void dirtyLinesFromChangedChild(RenderObject& child) final { m_lineBoxes.dirtyLinesFromChangedChild(*this, child); }
LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const final;
int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const final;
void childBecameNonInline(RenderElement&) final;
void updateHitTestResult(HitTestResult&, const LayoutPoint&) final;
void imageChanged(WrappedImagePtr, const IntRect* = 0) final;
#if ENABLE(DASHBOARD_SUPPORT)
void addAnnotatedRegions(Vector<AnnotatedRegionValue>&) final;
#endif
RenderPtr<RenderInline> clone() const;
void paintOutlineForLine(GraphicsContext&, const LayoutPoint&, const LayoutRect& prevLine, const LayoutRect& thisLine, const LayoutRect& nextLine, const Color&);
RenderBoxModelObject* continuationBefore(RenderObject* beforeChild);
bool willChangeCreatesStackingContext() const
{
return style().willChange() && style().willChange()->canCreateStackingContext();
}
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.
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderInline, isRenderInline())
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