void CSSFontFaceSet::addToFacesLookupTable(CSSFontFace& face)
{
if (!face.families())
return;
for (auto& item : *face.families()) {
String familyName = CSSFontFaceSet::familyNameFromPrimitive(downcast<CSSPrimitiveValue>(item.get()));
if (familyName.isEmpty())
continue;
auto addResult = m_facesLookupTable.add(familyName, Vector<Ref<CSSFontFace>>());
auto& familyFontFaces = addResult.iterator->value;
if (addResult.isNewEntry) {
// m_locallyInstalledFontFaces grows without bound, eventually encorporating every font installed on the system.
// This is by design.
registerLocalFontFacesForFamily(familyName);
familyFontFaces = { };
}
familyFontFaces.append(face);
}
}
void CSSFontFaceSet::remove(const CSSFontFace& face)
{
m_cache.clear();
for (auto* client : m_clients)
client->fontModified();
if (face.families())
removeFromFacesLookupTable(face, *face.families());
for (size_t i = 0; i < m_faces.size(); ++i) {
if (m_faces[i].ptr() == &face) {
if (i < m_facesPartitionIndex)
--m_facesPartitionIndex;
m_faces[i]->removeClient(*this);
m_faces.remove(i);
if (face.status() == CSSFontFace::Status::Loading || face.status() == CSSFontFace::Status::TimedOut)
decrementActiveCount();
return;
}
}
ASSERT_NOT_REACHED();
}