{
super(tree, tokenStream, CSSModelTreeType.FONT_FACE);
assert properties != null : "Properties can't be null for @font-face.";
ICSSPropertyValue srcValue = null;
ICSSPropertyValue fontFamilyValue = null;
ICSSPropertyValue fontStyleValue = null;
ICSSPropertyValue fontWeightValue = null;
ICSSPropertyValue embedAsCFFValue = null;
ICSSPropertyValue advancedAAValue = null;
for (final ICSSProperty property : properties)
{
final String name = property.getName();
final ICSSPropertyValue value = property.getValue();
if (name.equals("src"))
{
srcValue = value;
}
else if (name.equals("fontFamily"))