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      1 /*
      2  * Copyright (C) 2007 Eric Seidel <eric (at) webkit.org>
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  */
     19 
     20 #ifndef RenderSVGHiddenContainer_h
     21 #define RenderSVGHiddenContainer_h
     22 
     23 #if ENABLE(SVG)
     24 #include "RenderSVGContainer.h"
     25 
     26 namespace WebCore {
     27 
     28 class SVGStyledElement;
     29 
     30 // This class is for containers which are never drawn, but do need to support style
     31 // <defs>, <linearGradient>, <radialGradient> are all good examples
     32 class RenderSVGHiddenContainer : public RenderSVGContainer {
     33 public:
     34     explicit RenderSVGHiddenContainer(SVGStyledElement*);
     35 
     36     virtual const char* renderName() const { return "RenderSVGHiddenContainer"; }
     37 
     38 protected:
     39     virtual void layout();
     40 
     41 private:
     42     virtual bool isSVGHiddenContainer() const { return true; }
     43     virtual bool requiresLayer() const { return false; }
     44 
     45     virtual void paint(PaintInfo&, int parentX, int parentY);
     46 
     47     virtual IntRect clippedOverflowRectForRepaint(RenderBoxModelObject*) { return IntRect(); }
     48     virtual void absoluteQuads(Vector<FloatQuad>&);
     49 
     50     virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction);
     51 };
     52 }
     53 
     54 #endif // ENABLE(SVG)
     55 #endif // RenderSVGHiddenContainer_h
     56