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/*
* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
* Copyright (C) 2009 Google, Inc.
*
* 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 RenderSVGGradientStop_h
#define RenderSVGGradientStop_h
#include "core/rendering/RenderObject.h"
namespace WebCore {
class SVGGradientElement;
class SVGStopElement;
// This class exists mostly so we can hear about gradient stop style changes
class RenderSVGGradientStop FINAL : public RenderObject {
public:
explicit RenderSVGGradientStop(SVGStopElement*);
virtual ~RenderSVGGradientStop();
virtual const char* renderName() const OVERRIDE { return "RenderSVGGradientStop"; }
virtual bool isSVGGradientStop() const OVERRIDE { return true; }
virtual bool isSVG() const OVERRIDE { return true; }
virtual void layout() OVERRIDE;
// This overrides are needed to prevent ASSERTs on <svg><stop /></svg>
// RenderObject's default implementations ASSERT_NOT_REACHED()
// https://bugs.webkit.org/show_bug.cgi?id=20400
virtual LayoutRect clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject*) const OVERRIDE { return LayoutRect(); }
virtual FloatRect objectBoundingBox() const OVERRIDE { return FloatRect(); }
virtual FloatRect strokeBoundingBox() const OVERRIDE { return FloatRect(); }
virtual FloatRect paintInvalidationRectInLocalCoordinates() const OVERRIDE { return FloatRect(); }
protected:
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
private:
SVGGradientElement* gradientElement() const;
};
DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGGradientStop, isSVGGradientStop());
}
#endif // RenderSVGGradientStop_h
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