15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2007 Eric Seidel <eric@webkit.org> 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/svg/RenderSVGGradientStop.h" 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "SVGNames.h" 2553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/svg/RenderSVGResourceContainer.h" 2653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/svg/SVGGradientElement.h" 2753e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/svg/SVGStopElement.h" 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 3002772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)using namespace SVGNames; 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)RenderSVGGradientStop::RenderSVGGradientStop(SVGStopElement* element) 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : RenderObject(element) 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)RenderSVGGradientStop::~RenderSVGGradientStop() 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void RenderSVGGradientStop::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RenderObject::styleDidChange(diff, oldStyle); 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (diff == StyleDifferenceEqual) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // <stop> elements should only be allowed to make renderers under gradient elements 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // but I can imagine a few cases we might not be catching, so let's not crash if our parent isn't a gradient. 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGGradientElement* gradient = gradientElement(); 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!gradient) 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RenderObject* renderer = gradient->renderer(); 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!renderer) 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 58bfe3590b1806e3ff18f46ee3af5d4b83078f305aTorne (Richard Coles) RenderSVGResourceContainer* container = toRenderSVGResourceContainer(renderer); 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) container->removeAllClientsFromCache(); 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void RenderSVGGradientStop::layout() 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 643c9e4aeaee9f9b0a9a814da07bcb33319c7ea363Ben Murdoch clearNeedsLayout(); 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)SVGGradientElement* RenderSVGGradientStop::gradientElement() const 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ContainerNode* parentNode = node()->parentNode(); 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (parentNode->hasTagName(linearGradientTag) || parentNode->hasTagName(radialGradientTag)) 717757ec2eadfa2dd8ac2aeed0a4399e9b07ec38cbBen Murdoch return toSVGGradientElement(parentNode); 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return 0; 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 76