SVGImageElement.cpp [plain text]
#include "config.h"
#include "SVGImageElement.h"
#include "Attribute.h"
#include "CSSPropertyNames.h"
#include "RenderImageResource.h"
#include "RenderSVGImage.h"
#include "RenderSVGResource.h"
#include "SVGElementInstance.h"
#include "SVGNames.h"
#include "SVGSVGElement.h"
#include "XLinkNames.h"
#include <wtf/NeverDestroyed.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)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGImageElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(x)
REGISTER_LOCAL_ANIMATED_PROPERTY(y)
REGISTER_LOCAL_ANIMATED_PROPERTY(width)
REGISTER_LOCAL_ANIMATED_PROPERTY(height)
REGISTER_LOCAL_ANIMATED_PROPERTY(preserveAspectRatio)
REGISTER_LOCAL_ANIMATED_PROPERTY(href)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGGraphicsElement)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGImageElement::SVGImageElement(const QualifiedName& tagName, Document& document)
: SVGGraphicsElement(tagName, document)
, m_x(LengthModeWidth)
, m_y(LengthModeHeight)
, m_width(LengthModeWidth)
, m_height(LengthModeHeight)
, m_imageLoader(*this)
{
registerAnimatedPropertiesForSVGImageElement();
}
PassRefPtr<SVGImageElement> SVGImageElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(new SVGImageElement(tagName, document));
}
bool SVGImageElement::isSupportedAttribute(const QualifiedName& attrName)
{
static NeverDestroyed<HashSet<QualifiedName>> supportedAttributes;
if (supportedAttributes.get().isEmpty()) {
SVGLangSpace::addSupportedAttributes(supportedAttributes);
SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
SVGURIReference::addSupportedAttributes(supportedAttributes);
supportedAttributes.get().add(SVGNames::xAttr);
supportedAttributes.get().add(SVGNames::yAttr);
supportedAttributes.get().add(SVGNames::widthAttr);
supportedAttributes.get().add(SVGNames::heightAttr);
supportedAttributes.get().add(SVGNames::preserveAspectRatioAttr);
}
return supportedAttributes.get().contains<SVGAttributeHashTranslator>(attrName);
}
bool SVGImageElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == SVGNames::widthAttr || name == SVGNames::heightAttr)
return true;
return SVGGraphicsElement::isPresentationAttribute(name);
}
void SVGImageElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStyleProperties& style)
{
if (!isSupportedAttribute(name))
SVGGraphicsElement::collectStyleForPresentationAttribute(name, value, style);
else if (name == SVGNames::widthAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyWidth, value);
else if (name == SVGNames::heightAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyHeight, value);
}
void SVGImageElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
SVGParsingError parseError = NoError;
if (!isSupportedAttribute(name))
SVGGraphicsElement::parseAttribute(name, value);
else if (name == SVGNames::xAttr)
setXBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::yAttr)
setYBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
else if (name == SVGNames::preserveAspectRatioAttr) {
SVGPreserveAspectRatio preserveAspectRatio;
preserveAspectRatio.parse(value);
setPreserveAspectRatioBaseValue(preserveAspectRatio);
} else if (name == SVGNames::widthAttr)
setWidthBaseValue(SVGLength::construct(LengthModeWidth, value, parseError, ForbidNegativeLengths));
else if (name == SVGNames::heightAttr)
setHeightBaseValue(SVGLength::construct(LengthModeHeight, value, parseError, ForbidNegativeLengths));
else if (SVGLangSpace::parseAttribute(name, value)
|| SVGExternalResourcesRequired::parseAttribute(name, value)
|| SVGURIReference::parseAttribute(name, value)) {
} else
ASSERT_NOT_REACHED();
reportAttributeParsingError(parseError, name, value);
}
void SVGImageElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGGraphicsElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
bool isLengthAttribute = attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::widthAttr
|| attrName == SVGNames::heightAttr;
if (isLengthAttribute)
updateRelativeLengthsInformation();
if (SVGURIReference::isKnownAttribute(attrName)) {
m_imageLoader.updateFromElementIgnoringPreviousError();
return;
}
auto renderer = this->renderer();
if (!renderer)
return;
if (isLengthAttribute) {
if (toRenderSVGImage(renderer)->updateImageViewport())
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
return;
}
if (attrName == SVGNames::preserveAspectRatioAttr
|| SVGLangSpace::isKnownAttribute(attrName)
|| SVGExternalResourcesRequired::isKnownAttribute(attrName)) {
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
return;
}
ASSERT_NOT_REACHED();
}
bool SVGImageElement::selfHasRelativeLengths() const
{
return x().isRelative()
|| y().isRelative()
|| width().isRelative()
|| height().isRelative();
}
RenderPtr<RenderElement> SVGImageElement::createElementRenderer(PassRef<RenderStyle> style)
{
return createRenderer<RenderSVGImage>(*this, WTF::move(style));
}
bool SVGImageElement::haveLoadedRequiredResources()
{
return !externalResourcesRequiredBaseValue() || !m_imageLoader.hasPendingActivity();
}
void SVGImageElement::didAttachRenderers()
{
if (RenderSVGImage* imageObj = toRenderSVGImage(renderer())) {
if (imageObj->imageResource().hasImage())
return;
imageObj->imageResource().setCachedImage(m_imageLoader.image());
}
}
Node::InsertionNotificationRequest SVGImageElement::insertedInto(ContainerNode& rootParent)
{
SVGGraphicsElement::insertedInto(rootParent);
if (!rootParent.inDocument())
return InsertionDone;
m_imageLoader.updateFromElement();
return InsertionDone;
}
const AtomicString& SVGImageElement::imageSourceURL() const
{
return getAttribute(XLinkNames::hrefAttr);
}
void SVGImageElement::addSubresourceAttributeURLs(ListHashSet<URL>& urls) const
{
SVGGraphicsElement::addSubresourceAttributeURLs(urls);
addSubresourceURL(urls, document().completeURL(href()));
}
void SVGImageElement::didMoveToNewDocument(Document* oldDocument)
{
m_imageLoader.elementDidMoveToNewDocument();
SVGGraphicsElement::didMoveToNewDocument(oldDocument);
}
}