/* | |
Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org> | |
2004, 2005, 2006, 2007, 2008, 2009 Rob Buis <buis@kde.org> | |
2006 Alexander Kellett <lypanov@kde.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 "SVGImageElement.h" | |
#include "CSSPropertyNames.h" | |
#include "MappedAttribute.h" | |
#include "RenderSVGImage.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(MappedAttribute *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 <width> 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 <height> 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(); | |
if (!renderer()) | |
return; | |
if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr || | |
attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr || | |
attrName == SVGNames::preserveAspectRatioAttr || | |
SVGTests::isKnownAttribute(attrName) || | |
SVGLangSpace::isKnownAttribute(attrName) || | |
SVGExternalResourcesRequired::isKnownAttribute(attrName) || | |
SVGStyledTransformableElement::isKnownAttribute(attrName)) { | |
renderer()->setNeedsLayout(true); | |
} | |
} | |
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::hasRelativeValues() const | |
{ | |
return (x().isRelative() || width().isRelative() || | |
y().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<KURL>& urls) const | |
{ | |
SVGStyledTransformableElement::addSubresourceAttributeURLs(urls); | |
addSubresourceURL(urls, document()->completeURL(href())); | |
} | |
} | |
#endif // ENABLE(SVG) |