diff -r 000000000000 -r 4f2f89ce4247 WebCore/svg/SVGImageElement.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/svg/SVGImageElement.cpp Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,211 @@ +/* + Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann + 2004, 2005, 2006, 2007, 2008, 2009 Rob Buis + 2006 Alexander Kellett + + 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 "SVGImageElement.h" + +#include "Attribute.h" +#include "CSSPropertyNames.h" +#include "RenderSVGImage.h" +#include "RenderSVGResource.h" +#include "SVGDocument.h" +#include "SVGLength.h" +#include "SVGPreserveAspectRatio.h" +#include "SVGSVGElement.h" +#include "XLinkNames.h" + +namespace WebCore { + +SVGImageElement::SVGImageElement(const QualifiedName& tagName, Document* doc) + : SVGStyledTransformableElement(tagName, doc) + , SVGTests() + , SVGLangSpace() + , SVGExternalResourcesRequired() + , SVGURIReference() + , m_x(LengthModeWidth) + , m_y(LengthModeHeight) + , m_width(LengthModeWidth) + , m_height(LengthModeHeight) + , m_imageLoader(this) +{ +} + +SVGImageElement::~SVGImageElement() +{ +} + +void SVGImageElement::parseMappedAttribute(Attribute* attr) +{ + if (attr->name() == SVGNames::xAttr) + setXBaseValue(SVGLength(LengthModeWidth, attr->value())); + else if (attr->name() == SVGNames::yAttr) + setYBaseValue(SVGLength(LengthModeHeight, attr->value())); + else if (attr->name() == SVGNames::preserveAspectRatioAttr) + SVGPreserveAspectRatio::parsePreserveAspectRatio(this, attr->value()); + else if (attr->name() == SVGNames::widthAttr) { + setWidthBaseValue(SVGLength(LengthModeWidth, attr->value())); + addCSSProperty(attr, CSSPropertyWidth, attr->value()); + if (widthBaseValue().value(this) < 0.0) + document()->accessSVGExtensions()->reportError("A negative value for image attribute is not allowed"); + } else if (attr->name() == SVGNames::heightAttr) { + setHeightBaseValue(SVGLength(LengthModeHeight, attr->value())); + addCSSProperty(attr, CSSPropertyHeight, attr->value()); + if (heightBaseValue().value(this) < 0.0) + document()->accessSVGExtensions()->reportError("A negative value for image attribute is not allowed"); + } else { + if (SVGTests::parseMappedAttribute(attr)) + return; + if (SVGLangSpace::parseMappedAttribute(attr)) + return; + if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) + return; + if (SVGURIReference::parseMappedAttribute(attr)) + return; + SVGStyledTransformableElement::parseMappedAttribute(attr); + } +} + +void SVGImageElement::svgAttributeChanged(const QualifiedName& attrName) +{ + SVGStyledTransformableElement::svgAttributeChanged(attrName); + + if (SVGURIReference::isKnownAttribute(attrName)) + m_imageLoader.updateFromElementIgnoringPreviousError(); + + bool isLengthAttribute = attrName == SVGNames::xAttr + || attrName == SVGNames::yAttr + || attrName == SVGNames::widthAttr + || attrName == SVGNames::heightAttr; + + if (isLengthAttribute) + updateRelativeLengthsInformation(); + + RenderObject* renderer = this->renderer(); + if (!renderer) + return; + + if (SVGStyledTransformableElement::isKnownAttribute(attrName)) { + renderer->setNeedsTransformUpdate(); + RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer); + return; + } + + if (isLengthAttribute + || attrName == SVGNames::preserveAspectRatioAttr + || SVGTests::isKnownAttribute(attrName) + || SVGLangSpace::isKnownAttribute(attrName) + || SVGExternalResourcesRequired::isKnownAttribute(attrName)) + RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer); +} + +void SVGImageElement::synchronizeProperty(const QualifiedName& attrName) +{ + SVGStyledTransformableElement::synchronizeProperty(attrName); + + if (attrName == anyQName()) { + synchronizeX(); + synchronizeY(); + synchronizeWidth(); + synchronizeHeight(); + synchronizePreserveAspectRatio(); + synchronizeExternalResourcesRequired(); + synchronizeHref(); + return; + } + + if (attrName == SVGNames::xAttr) + synchronizeX(); + else if (attrName == SVGNames::yAttr) + synchronizeY(); + else if (attrName == SVGNames::widthAttr) + synchronizeWidth(); + else if (attrName == SVGNames::heightAttr) + synchronizeHeight(); + else if (attrName == SVGNames::preserveAspectRatioAttr) + synchronizePreserveAspectRatio(); + else if (SVGExternalResourcesRequired::isKnownAttribute(attrName)) + synchronizeExternalResourcesRequired(); + else if (SVGURIReference::isKnownAttribute(attrName)) + synchronizeHref(); +} + +bool SVGImageElement::selfHasRelativeLengths() const +{ + return x().isRelative() + || y().isRelative() + || width().isRelative() + || height().isRelative(); +} + +RenderObject* SVGImageElement::createRenderer(RenderArena* arena, RenderStyle*) +{ + return new (arena) RenderSVGImage(this); +} + +bool SVGImageElement::haveLoadedRequiredResources() +{ + return !externalResourcesRequiredBaseValue() || m_imageLoader.haveFiredLoadEvent(); +} + +void SVGImageElement::attach() +{ + SVGStyledTransformableElement::attach(); + + if (RenderImage* imageObj = toRenderImage(renderer())) { + if (imageObj->hasImage()) + return; + + imageObj->setCachedImage(m_imageLoader.image()); + } +} + +void SVGImageElement::insertedIntoDocument() +{ + SVGStyledTransformableElement::insertedIntoDocument(); + + // Update image loader, as soon as we're living in the tree. + // We can only resolve base URIs properly, after that! + m_imageLoader.updateFromElement(); +} + +const QualifiedName& SVGImageElement::imageSourceAttributeName() const +{ + return XLinkNames::hrefAttr; +} + +void SVGImageElement::addSubresourceAttributeURLs(ListHashSet& urls) const +{ + SVGStyledTransformableElement::addSubresourceAttributeURLs(urls); + + addSubresourceURL(urls, document()->completeURL(href())); +} + +void SVGImageElement::willMoveToNewOwnerDocument() +{ + m_imageLoader.elementWillMoveToNewOwnerDocument(); + SVGStyledTransformableElement::willMoveToNewOwnerDocument(); +} + +} + +#endif // ENABLE(SVG)