SVGImageElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG)
#include "SVGImageElement.h"
#include "Attribute.h"
#include "CSSPropertyNames.h"
#include "RenderImageResource.h"
#include "RenderSVGImage.h"
#include "RenderSVGResource.h"
#include "SVGNames.h"
#include "SVGSVGElement.h"
#include "XLinkNames.h"
namespace WebCore {
DEFINE_ANIMATED_LENGTH(SVGImageElement, SVGNames::xAttr, X, x)
DEFINE_ANIMATED_LENGTH(SVGImageElement, SVGNames::yAttr, Y, y)
DEFINE_ANIMATED_LENGTH(SVGImageElement, SVGNames::widthAttr, Width, width)
DEFINE_ANIMATED_LENGTH(SVGImageElement, SVGNames::heightAttr, Height, height)
DEFINE_ANIMATED_PRESERVEASPECTRATIO(SVGImageElement, SVGNames::preserveAspectRatioAttr, PreserveAspectRatio, preserveAspectRatio)
DEFINE_ANIMATED_STRING(SVGImageElement, XLinkNames::hrefAttr, Href, href)
DEFINE_ANIMATED_BOOLEAN(SVGImageElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
inline SVGImageElement::SVGImageElement(const QualifiedName& tagName, Document* document)
: SVGStyledTransformableElement(tagName, document)
, m_x(LengthModeWidth)
, m_y(LengthModeHeight)
, m_width(LengthModeWidth)
, m_height(LengthModeHeight)
, m_imageLoader(this)
{
ASSERT(hasTagName(SVGNames::imageTag));
}
PassRefPtr<SVGImageElement> SVGImageElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new SVGImageElement(tagName, document));
}
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 <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();
bool isLengthAttribute = attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::widthAttr
|| attrName == SVGNames::heightAttr;
if (isLengthAttribute)
updateRelativeLengthsInformation();
if (SVGTests::handleAttributeChange(this, attrName))
return;
RenderObject* renderer = this->renderer();
if (!renderer)
return;
if (isLengthAttribute) {
renderer->updateFromElement();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer, false);
return;
}
if (attrName == SVGNames::preserveAspectRatioAttr
|| 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();
SVGTests::synchronizeProperties(this, attrName);
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();
else if (SVGTests::isKnownAttribute(attrName))
SVGTests::synchronizeProperties(this, attrName);
}
AttributeToPropertyTypeMap& SVGImageElement::attributeToPropertyTypeMap()
{
DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
return s_attributeToPropertyTypeMap;
}
void SVGImageElement::fillAttributeToPropertyTypeMap()
{
AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
SVGStyledTransformableElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
attributeToPropertyTypeMap.set(SVGNames::xAttr, AnimatedLength);
attributeToPropertyTypeMap.set(SVGNames::yAttr, AnimatedLength);
attributeToPropertyTypeMap.set(SVGNames::widthAttr, AnimatedLength);
attributeToPropertyTypeMap.set(SVGNames::heightAttr, AnimatedLength);
attributeToPropertyTypeMap.set(SVGNames::preserveAspectRatioAttr, AnimatedPreserveAspectRatio);
attributeToPropertyTypeMap.set(XLinkNames::hrefAttr, AnimatedString);
}
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 (RenderSVGImage* imageObj = toRenderSVGImage(renderer())) {
if (imageObj->imageResource()->hasImage())
return;
imageObj->imageResource()->setCachedImage(m_imageLoader.image());
}
}
void SVGImageElement::insertedIntoDocument()
{
SVGStyledTransformableElement::insertedIntoDocument();
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()));
}
void SVGImageElement::willMoveToNewOwnerDocument()
{
m_imageLoader.elementWillMoveToNewOwnerDocument();
SVGStyledTransformableElement::willMoveToNewOwnerDocument();
}
}
#endif // ENABLE(SVG)