bool FontFace::setFamilyValue(const CSSValue& familyValue)
{
AtomicString family;
if (familyValue.isFontFamilyValue()) {
family = AtomicString(toCSSFontFamilyValue(familyValue).value());
} else if (toCSSPrimitiveValue(familyValue).isValueID()) {
// We need to use the raw text for all the generic family types, since @font-face is a way of actually
// defining what font to use for those types.
switch (toCSSPrimitiveValue(familyValue).getValueID()) {
case CSSValueSerif:
family = FontFamilyNames::webkit_serif;
break;
case CSSValueSansSerif:
family = FontFamilyNames::webkit_sans_serif;
break;
case CSSValueCursive:
family = FontFamilyNames::webkit_cursive;
break;
case CSSValueFantasy:
family = FontFamilyNames::webkit_fantasy;
break;
case CSSValueMonospace:
family = FontFamilyNames::webkit_monospace;
break;
case CSSValueWebkitPictograph:
family = FontFamilyNames::webkit_pictograph;
break;
default:
return false;
}
}
m_family = family;
return true;
}
FontFace* FontFace::create(Document* document, const StyleRuleFontFace* fontFaceRule)
{
const StylePropertySet& properties = fontFaceRule->properties();
// Obtain the font-family property and the src property. Both must be defined.
CSSValue* family = properties.getPropertyCSSValue(CSSPropertyFontFamily);
if (!family || (!family->isFontFamilyValue() && !family->isPrimitiveValue()))
return nullptr;
CSSValue* src = properties.getPropertyCSSValue(CSSPropertySrc);
if (!src || !src->isValueList())
return nullptr;
FontFace* fontFace = new FontFace(document);
if (fontFace->setFamilyValue(*family)
&& fontFace->setPropertyFromStyle(properties, CSSPropertyFontStyle)
&& fontFace->setPropertyFromStyle(properties, CSSPropertyFontWeight)
&& fontFace->setPropertyFromStyle(properties, CSSPropertyFontStretch)
&& fontFace->setPropertyFromStyle(properties, CSSPropertyUnicodeRange)
&& fontFace->setPropertyFromStyle(properties, CSSPropertyFontVariant)
&& fontFace->setPropertyFromStyle(properties, CSSPropertyFontFeatureSettings)
&& fontFace->setPropertyFromStyle(properties, CSSPropertyFontDisplay)
&& !fontFace->family().isEmpty()
&& fontFace->traits().bitfield()) {
fontFace->initCSSFontFace(document, src);
return fontFace;
}
return nullptr;
}
