public override Value Bind(Scope scope)
{
var copyValues = new List<Value>(Values.Select(v => v.Bind(scope)));
var ret = new CompoundValue(copyValues);
ret.Scope = scope;
return ret;
}
/// <summary>
/// Webkit's prefixed background-size differs from the spec
/// in that a single value (background-size: X) is treated like (background-size: X X).
///
/// It should be treated as (background-size: X auto), this detects and inserts that case.
///
/// In the case where two values are passed, the prefixed version matches the final spec.
/// </summary>
private static IEnumerable<NameValueProperty> WebkitBackgroundSize(Prefix pre, NameValueProperty backgroundSize)
{
var asMulti = backgroundSize.Value as CompoundValue;
if (asMulti != null) return Simple(pre, backgroundSize);
var newValue = new CompoundValue(backgroundSize.Value, new StringValue("auto"));
return Simple(pre, new NameValueProperty(backgroundSize.Name, newValue));
}