| /* |
| * This file is part of the WebKit project. |
| * |
| * Copyright (C) 2007 Eric Seidel <eric@webkit.org> |
| * |
| * 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. |
| * |
| */ |
| |
| #include "config.h" |
| |
| #if ENABLE(SVG) |
| #include "RenderSVGGradientStop.h" |
| |
| #include "SVGGradientElement.h" |
| #include "SVGNames.h" |
| #include "SVGStopElement.h" |
| |
| namespace WebCore { |
| |
| using namespace SVGNames; |
| |
| RenderSVGGradientStop::RenderSVGGradientStop(SVGStopElement* element) |
| : RenderObject(element) |
| { |
| } |
| |
| RenderSVGGradientStop::~RenderSVGGradientStop() |
| { |
| } |
| |
| void RenderSVGGradientStop::styleDidChange(RenderStyle::Diff diff, const RenderStyle* oldStyle) |
| { |
| RenderObject::styleDidChange(diff, oldStyle); |
| |
| // <stop> elements should only be allowed to make renderers under gradient elements |
| // but I can imagine a few cases we might not be catching, so let's not crash if our parent isn't a gradient. |
| if (SVGGradientElement* gradient = gradientElement()) { |
| if (SVGResource* resource = gradient->canvasResource()) |
| resource->invalidate(); |
| } |
| } |
| |
| void RenderSVGGradientStop::layout() |
| { |
| setNeedsLayout(false); |
| } |
| |
| SVGGradientElement* RenderSVGGradientStop::gradientElement() const |
| { |
| Node* parentNode = element()->parent(); |
| if (parentNode->hasTagName(linearGradientTag) || parentNode->hasTagName(radialGradientTag)) |
| return static_cast<SVGGradientElement*>(parentNode); |
| return 0; |
| } |
| |
| } |
| |
| #endif // ENABLE(SVG) |