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      1 /*
      2  * Copyright (c) 2009, Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef RenderSVGModelObject_h
     32 #define RenderSVGModelObject_h
     33 
     34 #if ENABLE(SVG)
     35 
     36 #include "RenderObject.h"
     37 #include "SVGRenderSupport.h"
     38 
     39 namespace WebCore {
     40 
     41 // Most renderers in the SVG rendering tree will inherit from this class
     42 // but not all. (e.g. RenderSVGForeignObject, RenderSVGBlock) thus methods
     43 // required by SVG renders need to be declared on RenderObject, but shared
     44 // logic can go in this class or in SVGRenderSupport.
     45 
     46 class SVGStyledElement;
     47 
     48 class RenderSVGModelObject : public RenderObject {
     49 public:
     50     explicit RenderSVGModelObject(SVGStyledElement*);
     51 
     52     virtual bool requiresLayer() const { return false; }
     53 
     54     virtual IntRect clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer);
     55     virtual void computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect&, bool fixed = false);
     56     virtual IntRect outlineBoundsForRepaint(RenderBoxModelObject* repaintContainer, IntPoint*) const;
     57 
     58     virtual void absoluteRects(Vector<IntRect>&, int tx, int ty);
     59     virtual void absoluteQuads(Vector<FloatQuad>&);
     60 
     61     virtual void destroy();
     62 
     63     virtual void mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool useTransforms, bool fixed, TransformState&) const;
     64     virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle);
     65     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
     66     virtual void updateFromElement();
     67 
     68 private:
     69     // This method should never be called, SVG uses a different nodeAtPoint method
     70     bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int xInContainer, int yInContainer, int dxParentToContainer, int dyParentToContainer, HitTestAction);
     71 };
     72 
     73 }
     74 
     75 #endif // ENABLE(SVG)
     76 #endif
     77