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/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2009 Google, Inc. All rights reserved.
* Copyright (C) 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 RenderSVGContainer_h
#define RenderSVGContainer_h
#include "core/rendering/svg/RenderSVGModelObject.h"
namespace blink {
class SVGElement;
class RenderSVGContainer : public RenderSVGModelObject {
public:
explicit RenderSVGContainer(SVGElement*);
virtual ~RenderSVGContainer();
virtual void trace(Visitor*) override;
// If you have a RenderSVGContainer, use firstChild or lastChild instead.
void slowFirstChild() const = delete;
void slowLastChild() const = delete;
RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); }
RenderObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); }
virtual void paint(const PaintInfo&, const LayoutPoint&) override;
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
virtual void setNeedsBoundariesUpdate() override final { m_needsBoundariesUpdate = true; }
virtual bool didTransformToRootUpdate() { return false; }
bool isObjectBoundingBoxValid() const { return m_objectBoundingBoxValid; }
bool selfWillPaint();
virtual bool hasNonIsolatedBlendingDescendants() const override final;
protected:
virtual RenderObjectChildList* virtualChildren() override final { return children(); }
virtual const RenderObjectChildList* virtualChildren() const override final { return children(); }
virtual bool isOfType(RenderObjectType type) const override { return type == RenderObjectSVGContainer || RenderSVGModelObject::isOfType(type); }
virtual const char* renderName() const override { return "RenderSVGContainer"; }
virtual void layout() override;
virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0) override final;
virtual void removeChild(RenderObject*) override final;
virtual void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& additionalOffset) const override final;
virtual FloatRect objectBoundingBox() const override final { return m_objectBoundingBox; }
virtual FloatRect strokeBoundingBox() const override final { return m_strokeBoundingBox; }
virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction) override;
// Allow RenderSVGTransformableContainer to hook in at the right time in layout().
virtual bool calculateLocalTransform() { return false; }
// Allow RenderSVGViewportContainer to hook in at the right times in layout() and nodeAtFloatPoint().
virtual void calcViewport() { }
virtual bool pointIsInsideViewportClip(const FloatPoint& /*pointInParent*/) { return true; }
virtual void determineIfLayoutSizeChanged() { }
void updateCachedBoundaries();
virtual void descendantIsolationRequirementsChanged(DescendantIsolationState) override final;
private:
const RenderObjectChildList* children() const { return &m_children; }
RenderObjectChildList* children() { return &m_children; }
RenderObjectChildList m_children;
FloatRect m_objectBoundingBox;
FloatRect m_strokeBoundingBox;
bool m_objectBoundingBoxValid;
bool m_needsBoundariesUpdate;
mutable bool m_hasNonIsolatedBlendingDescendants : 1;
mutable bool m_hasNonIsolatedBlendingDescendantsDirty : 1;
};
DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGContainer, isSVGContainer());
} // namespace blink
#endif // RenderSVGContainer_h
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