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Derive ToCss for TrackSize<L>

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This commit is contained in:
Anthony Ramine 2017-07-12 10:51:38 +02:00
parent 7bc9a95b46
commit d03bcfa8b3
1 changed files with 4 additions and 22 deletions
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26
components/style/values/generics/grid.rs
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@ -200,12 +200,12 @@ impl<L: ToComputedValue> ToComputedValue for TrackBreadth<L> {
} }
} }
#[derive(Clone, Debug, HasViewportPercentage, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
/// A `<track-size>` type for explicit grid track sizing. Like `<track-breadth>`, this is /// A `<track-size>` type for explicit grid track sizing. Like `<track-breadth>`, this is
/// generic only to avoid code bloat. It only takes `<length-percentage>` /// generic only to avoid code bloat. It only takes `<length-percentage>`
/// ///
/// https://drafts.csswg.org/css-grid/#typedef-track-size /// https://drafts.csswg.org/css-grid/#typedef-track-size
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[derive(Clone, Debug, HasViewportPercentage, PartialEq, ToCss)]
pub enum TrackSize<L> { pub enum TrackSize<L> {
/// A flexible `<track-breadth>` /// A flexible `<track-breadth>`
Breadth(TrackBreadth<L>), Breadth(TrackBreadth<L>),
@ -213,10 +213,12 @@ pub enum TrackSize<L> {
/// and a flexible `<track-breadth>` /// and a flexible `<track-breadth>`
/// ///
/// https://drafts.csswg.org/css-grid/#valdef-grid-template-columns-minmax /// https://drafts.csswg.org/css-grid/#valdef-grid-template-columns-minmax
#[css(comma, function)]
Minmax(TrackBreadth<L>, TrackBreadth<L>), Minmax(TrackBreadth<L>, TrackBreadth<L>),
/// A `fit-content` function. /// A `fit-content` function.
/// ///
/// https://drafts.csswg.org/css-grid/#valdef-grid-template-columns-fit-content /// https://drafts.csswg.org/css-grid/#valdef-grid-template-columns-fit-content
#[css(function)]
FitContent(L), FitContent(L),
} }
@ -259,26 +261,6 @@ impl<L: PartialEq> TrackSize<L> {
} }
} }
impl<L: ToCss> ToCss for TrackSize<L> {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match *self {
TrackSize::Breadth(ref b) => b.to_css(dest),
TrackSize::Minmax(ref infexible, ref flexible) => {
dest.write_str("minmax(")?;
infexible.to_css(dest)?;
dest.write_str(", ")?;
flexible.to_css(dest)?;
dest.write_str(")")
},
TrackSize::FitContent(ref lop) => {
dest.write_str("fit-content(")?;
lop.to_css(dest)?;
dest.write_str(")")
},
}
}
}
impl<L: ToComputedValue> ToComputedValue for TrackSize<L> { impl<L: ToComputedValue> ToComputedValue for TrackSize<L> {
type ComputedValue = TrackSize<L::ComputedValue>; type ComputedValue = TrackSize<L::ComputedValue>;