2 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
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.
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.
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.
22 #include "core/rendering/svg/RenderSVGGradientStop.h"
24 #include "core/rendering/svg/RenderSVGResourceContainer.h"
25 #include "core/svg/SVGGradientElement.h"
26 #include "core/svg/SVGStopElement.h"
30 RenderSVGGradientStop::RenderSVGGradientStop(SVGStopElement* element)
31 : RenderObject(element)
35 RenderSVGGradientStop::~RenderSVGGradientStop()
39 void RenderSVGGradientStop::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
41 RenderObject::styleDidChange(diff, oldStyle);
42 if (!diff.hasDifference())
45 // <stop> elements should only be allowed to make renderers under gradient elements
46 // but I can imagine a few cases we might not be catching, so let's not crash if our parent isn't a gradient.
47 SVGGradientElement* gradient = gradientElement();
51 RenderObject* renderer = gradient->renderer();
55 RenderSVGResourceContainer* container = toRenderSVGResourceContainer(renderer);
56 container->removeAllClientsFromCache();
59 void RenderSVGGradientStop::layout()
64 SVGGradientElement* RenderSVGGradientStop::gradientElement() const
66 ContainerNode* parentNode = node()->parentNode();
68 return isSVGGradientElement(*parentNode) ? toSVGGradientElement(parentNode) : 0;