Boolean CheckList(CSSValueList values)
{
var sizes = new List <SizeMode>();
var list = values.ToList();
foreach (var entry in list)
{
while (entry.Length == 0 || entry.Length > 2)
{
return(false);
}
var size = entry.Length == 1 ? Check(entry[0]) : Check(entry[0], entry[1]);
if (size == null)
{
return(false);
}
sizes.Add(size.Value);
}
_sizes.Clear();
_sizes.AddRange(sizes);
return(true);
}
Boolean Evaluate(CSSValueList values)
{
var modes = new List <CursorMode>();
var entries = values.ToList();
var acceptMore = true;
foreach (var entry in entries)
{
if (!acceptMore || entry.Length == 0)
{
return(false);
}
if (entry.Length == 1)
{
var item = Evaluate(entry[0]);
if (item == null)
{
return(false);
}
acceptMore = item is CustomCursorMode;
modes.Add(item);
}
else if (entry.Length == 3)
{
var location = entry[0].ToUri();
var x = entry[1].ToSingle();
var y = entry[2].ToSingle();
if (location == null || !x.HasValue || !y.HasValue)
{
return(false);
}
modes.Add(new CustomCursorMode(new Url(location), x, y));
}
else
{
return(false);
}
}
if (modes.Count == 1)
{
_mode = modes[0];
}
else if (modes.Count == 0)
{
return(false);
}
_mode = new MultiCursorMode(modes);
return(true);
}
Boolean Evaluate(CSSValueList values)
{
var shadows = new List <Shadow>();
var items = values.ToList();
foreach (var item in items)
{
var shadow = item.ToShadow();
if (shadow == null)
{
return(false);
}
shadows.Add(shadow);
}
_shadows.Clear();
_shadows.AddRange(shadows);
return(true);
}
Boolean SetFamilies(CSSValueList values)
{
var families = new List <String>();
var items = values.ToList();
foreach (var item in items)
{
var family = (item.Length == 1 ? item[0] : item).ToFontFamily();
if (family == null)
{
return(false);
}
families.Add(family);
}
_families.Clear();
_families.AddRange(families);
return(true);
}
