This source file includes following definitions.
- create
- srcValue
- parseAttribute
- childrenChanged
- insertedInto
- loadFont
#include "config.h"
#if ENABLE(SVG_FONTS)
#include "core/svg/SVGFontFaceUriElement.h"
#include "XLinkNames.h"
#include "core/css/CSSFontFaceSrcValue.h"
#include "core/dom/Document.h"
#include "core/fetch/FetchRequest.h"
#include "core/fetch/ResourceFetcher.h"
#include "core/svg/SVGFontFaceElement.h"
namespace WebCore {
using namespace SVGNames;
inline SVGFontFaceUriElement::SVGFontFaceUriElement(Document& document)
: SVGElement(font_face_uriTag, document)
{
ScriptWrappable::init(this);
}
PassRefPtr<SVGFontFaceUriElement> SVGFontFaceUriElement::create(Document& document)
{
return adoptRef(new SVGFontFaceUriElement(document));
}
SVGFontFaceUriElement::~SVGFontFaceUriElement()
{
if (m_resource)
m_resource->removeClient(this);
}
PassRefPtrWillBeRawPtr<CSSFontFaceSrcValue> SVGFontFaceUriElement::srcValue() const
{
RefPtrWillBeRawPtr<CSSFontFaceSrcValue> src = CSSFontFaceSrcValue::create(getAttribute(XLinkNames::hrefAttr));
AtomicString value(fastGetAttribute(formatAttr));
src->setFormat(value.isEmpty() ? "svg" : value);
return src.release();
}
void SVGFontFaceUriElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name.matches(XLinkNames::hrefAttr))
loadFont();
else
SVGElement::parseAttribute(name, value);
}
void SVGFontFaceUriElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
{
SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
if (!isSVGFontFaceSrcElement(parentNode()))
return;
ContainerNode* grandparent = parentNode()->parentNode();
if (isSVGFontFaceElement(grandparent))
toSVGFontFaceElement(*grandparent).rebuildFontFace();
}
Node::InsertionNotificationRequest SVGFontFaceUriElement::insertedInto(ContainerNode* rootParent)
{
loadFont();
return SVGElement::insertedInto(rootParent);
}
void SVGFontFaceUriElement::loadFont()
{
if (m_resource)
m_resource->removeClient(this);
const AtomicString& href = getAttribute(XLinkNames::hrefAttr);
if (!href.isNull()) {
ResourceFetcher* fetcher = document().fetcher();
FetchRequest request(ResourceRequest(document().completeURL(href)), localName());
m_resource = fetcher->fetchFont(request);
if (m_resource) {
m_resource->addClient(this);
m_resource->beginLoadIfNeeded(fetcher);
}
} else {
m_resource = 0;
}
}
}
#endif