blob: 3550ed15fb3d37e65da80a7b185e06f0fc4fd224 [file] [log] [blame]
/*
* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
* Copyright (C) 2009 Google, Inc.
* Copyright (C) 2014 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.
*/
#pragma once
#include "RenderElement.h"
#include "SVGStopElement.h"
namespace WebCore {
class SVGGradientElement;
// This class exists mostly so we can hear about gradient stop style changes
class RenderSVGGradientStop final : public RenderElement {
WTF_MAKE_ISO_ALLOCATED(RenderSVGGradientStop);
public:
RenderSVGGradientStop(SVGStopElement&, RenderStyle&&);
virtual ~RenderSVGGradientStop();
SVGStopElement& element() const { return downcast<SVGStopElement>(RenderObject::nodeForNonAnonymous()); }
private:
void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
void layout() override;
// These 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
LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject*) const override { return LayoutRect(); }
FloatRect objectBoundingBox() const override { return FloatRect(); }
FloatRect strokeBoundingBox() const override { return FloatRect(); }
FloatRect repaintRectInLocalCoordinates() const override { return FloatRect(); }
bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint&, HitTestAction) override { return false; }
bool isSVGGradientStop() const override { return true; }
const char* renderName() const override { return "RenderSVGGradientStop"; }
bool canHaveChildren() const override { return false; }
void paint(PaintInfo&, const LayoutPoint&) override { }
SVGGradientElement* gradientElement();
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSVGGradientStop, isSVGGradientStop())