using AngleSharp.Css; using AngleSharp.Extensions; using System; using System.Collections.Generic; namespace AngleSharp.Dom.Css { internal sealed class CssBorderRadiusProperty : CssShorthandProperty, ICssBorderRadiusProperty, ICssProperty, ICssBorderBottomLeftRadiusProperty, ICssBorderBottomRightRadiusProperty, ICssBorderTopLeftRadiusProperty, ICssBorderTopRightRadiusProperty { internal static readonly IValueConverter<Tuple<ICssValue, ICssValue>> Converter = Converters.WithOrder(CssBorderRadiusPartProperty.SingleConverter.Periodic().Atomic().Val() .Required(), CssBorderRadiusPartProperty.SingleConverter.Periodic().Atomic().Val() .StartsWithDelimiter() .Option()); private readonly CssBorderTopLeftRadiusProperty _topLeft; private readonly CssBorderTopRightRadiusProperty _topRight; private readonly CssBorderBottomRightRadiusProperty _bottomRight; private readonly CssBorderBottomLeftRadiusProperty _bottomLeft; public Length HorizontalBottomLeft => _bottomLeft.HorizontalRadius; public Length VerticalBottomLeft => _bottomLeft.VerticalRadius; public Length HorizontalBottomRight => _bottomRight.HorizontalRadius; public Length VerticalBottomRight => _bottomRight.VerticalRadius; public Length HorizontalTopLeft => _topLeft.HorizontalRadius; public Length VerticalTopLeft => _topLeft.VerticalRadius; public Length HorizontalTopRight => _topRight.HorizontalRadius; public Length VerticalTopRight => _topRight.VerticalRadius; internal CssBorderRadiusProperty(CssStyleDeclaration rule) : base(PropertyNames.BorderRadius, rule, PropertyFlags.Animatable) { _topLeft = Get<CssBorderTopLeftRadiusProperty>(); _topRight = Get<CssBorderTopRightRadiusProperty>(); _bottomRight = Get<CssBorderBottomRightRadiusProperty>(); _bottomLeft = Get<CssBorderBottomLeftRadiusProperty>(); } protected override bool IsValid(ICssValue value) { return Converter.TryConvert(value, delegate(Tuple<ICssValue, ICssValue> m) { _topLeft.TrySetValue(Extract(m, 0)); _topRight.TrySetValue(Extract(m, 1)); _bottomRight.TrySetValue(Extract(m, 2)); _bottomLeft.TrySetValue(Extract(m, 3)); }); } internal override string SerializeValue(IEnumerable<CssProperty> properties) { if (!IsComplete(properties)) return string.Empty; string text = CssShorthandProperty.SerializePeriodic(_topLeft.HorizontalRadius, _topRight.HorizontalRadius, _bottomRight.HorizontalRadius, _bottomLeft.HorizontalRadius); if (_topLeft.IsCircle && _topRight.IsCircle && _bottomRight.IsCircle && _bottomLeft.IsCircle) return text; string str = CssShorthandProperty.SerializePeriodic(_topLeft.VerticalRadius, _topRight.VerticalRadius, _bottomRight.VerticalRadius, _bottomLeft.VerticalRadius); return text + " / " + str; } private static ICssValue Extract(Tuple<ICssValue, ICssValue> src, int index) { ICssValue cssValue = src.Item1; ICssValue cssValue2 = src.Item2; CssValueList cssValueList = cssValue as CssValueList; CssValueList cssValueList2 = cssValue2 as CssValueList; if (cssValueList != null) cssValue = Find(cssValueList, index); if (cssValue2 == null) return cssValue; CssValueList obj = new CssValueList { cssValue }; if (cssValueList2 != null) cssValue2 = Find(cssValueList2, index); obj.Add(cssValue2); return obj; } private static ICssValue Find(CssValueList list, int index) { if (index < list.Length) return list[index]; if (index == 3 && 1 < list.Length) return list[1]; return list[0]; } } }