File indexing completed on 2024-04-28 15:24:17

 /*
     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005, 2007 Rob Buis <buis@kde.org>
 
     This file is part of the KDE project
 
     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
     aint 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
 
 #if ENABLE(SVG)
 
 #include "RenderPath.h"
 #include "SVGPreserveAspectRatio.h"
 
 namespace WebCore
 {
 
 class SVGElement;
 
 class RenderSVGContainer : public RenderObject
 {
 public:
     RenderSVGContainer(SVGStyledElement *);
     ~RenderSVGContainer();
 
     RenderObject *firstChild() const override
     {
         return m_firstChild;
     }
     RenderObject *lastChild() const override
     {
         return m_lastChild;
     }
 
     short/*khtml*/ int width() const override
     {
         return m_width;
     }
     int height() const override
     {
         return m_height;
     }
 
     virtual bool canHaveChildren() const;
     void addChild(RenderObject *newChild, RenderObject *beforeChild = nullptr) override;
     void removeChild(RenderObject *) override;
 
     virtual void destroy();
     void destroyLeftoverChildren();
 
     // uncomment if you know how line 64' ambiguoty should be solved in that case.
     // using khtml::RenderObject::removeChildNode;
     RenderObject *removeChildNode(RenderObject *) override;
     // uncomment if you know how line 64' ambiguoty should be solved in that case.
     // using khtml::RenderObject::appendChildNode;
     void appendChildNode(RenderObject *) override;
     // uncomment if you know how line 62' of the implementation ambiguoty should be solved in that case.
     // using khtml::RenderObject::insertChildNode;
     void insertChildNode(RenderObject *child, RenderObject *before) override;
 
     // Designed for speed.  Don't waste time doing a bunch of work like layer updating and repainting when we know that our
     // change in parentage is not going to affect anything.
     virtual void moveChildNode(RenderObject *child)
     {
         appendChildNode(child->parent()->removeChildNode(child));
     }
 
     void calcMinMaxWidth() override
     {
         setMinMaxKnown();
     }
 
     // Some containers do not want it's children
     // to be drawn, because they may be 'referenced'
     // Example: <marker> children in SVG
     void setDrawsContents(bool);
     bool drawsContents() const;
 
     bool isSVGContainer() const override
     {
         return true;
     }
     const char *renderName() const override
     {
         return "RenderSVGContainer";
     }
 
     bool requiresLayer() const override;
     short lineHeight(bool b) const override;
     short baselinePosition(bool b) const override;
 
     void layout() override;
     void paint(PaintInfo &, int parentX, int parentY) override;
 
     virtual IntRect absoluteClippedOverflowRect();
     virtual void absoluteRects(Vector<IntRect> &rects, int tx, int ty, bool topLevel = true);
 
     FloatRect relativeBBox(bool includeStroke = true) const override;
 
     virtual bool calculateLocalTransform();
     AffineTransform localTransform() const override;
     virtual AffineTransform viewportTransform() const;
 
     /*virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);*/
 
     bool childAllowed() const override
     {
         return true;
     }
 
 protected:
     virtual void applyContentTransforms(PaintInfo &);
     virtual void applyAdditionalTransforms(PaintInfo &);
 
     void calcBounds();
 
 private:
     int calcReplacedWidth() const;
     int calcReplacedHeight() const;
 
     RenderObject *m_firstChild;
     RenderObject *m_lastChild;
 
     int m_width;
     int m_height;
 
     bool selfWillPaint() const;
 
     bool m_drawsContents : 1;
 
 protected:
     IntRect m_absoluteBounds;
     AffineTransform m_localTransform;
 };
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG)
 #endif // RenderSVGContainer_h