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Add gecko glue for grid <track-size>

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This commit is contained in:
Ravi Shankar 2017-02-18 11:13:19 +05:30
parent 6d4cf7424c
commit 5d740e4edd
2 changed files with 66 additions and 2 deletions
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36
components/style/gecko/values.rs
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@ -8,13 +8,14 @@
use app_units::Au;
use cssparser::RGBA;
use gecko_bindings::structs::{nsStyleCoord, StyleShapeRadius};
use gecko_bindings::structs::{nsStyleCoord, StyleGridTrackBreadth, StyleShapeRadius};
use gecko_bindings::sugar::ns_style_coord::{CoordData, CoordDataMut, CoordDataValue};
use std::cmp::max;
use values::{Auto, Either, None_};
use values::computed::{Angle, LengthOrPercentageOrNone, Number};
use values::computed::{LengthOrPercentage, LengthOrPercentageOrAuto};
use values::computed::basic_shape::ShapeRadius;
use values::specified::grid::{TrackBreadth, TrackKeyword};
/// A trait that defines an interface to convert from and to `nsStyleCoord`s.
pub trait GeckoStyleCoordConvertible : Sized {
@ -137,6 +138,39 @@ impl GeckoStyleCoordConvertible for LengthOrPercentageOrNone {
}
}
impl<L: GeckoStyleCoordConvertible> GeckoStyleCoordConvertible for TrackBreadth<L> {
fn to_gecko_style_coord<T: CoordDataMut>(&self, coord: &mut T) {
match *self {
TrackBreadth::Breadth(ref lop) => lop.to_gecko_style_coord(coord),
TrackBreadth::Flex(fr) => coord.set_value(CoordDataValue::FlexFraction(fr)),
TrackBreadth::Keyword(TrackKeyword::Auto) => coord.set_value(CoordDataValue::Auto),
TrackBreadth::Keyword(TrackKeyword::MinContent) =>
coord.set_value(CoordDataValue::Enumerated(StyleGridTrackBreadth::MinContent as u32)),
TrackBreadth::Keyword(TrackKeyword::MaxContent) =>
coord.set_value(CoordDataValue::Enumerated(StyleGridTrackBreadth::MaxContent as u32)),
}
}
fn from_gecko_style_coord<T: CoordData>(coord: &T) -> Option<Self> {
L::from_gecko_style_coord(coord).map(TrackBreadth::Breadth).or_else(|| {
match coord.as_value() {
CoordDataValue::Enumerated(v) => {
if v == StyleGridTrackBreadth::MinContent as u32 {
Some(TrackBreadth::Keyword(TrackKeyword::MinContent))
} else if v == StyleGridTrackBreadth::MaxContent as u32 {
Some(TrackBreadth::Keyword(TrackKeyword::MaxContent))
} else {
None
}
},
CoordDataValue::FlexFraction(fr) => Some(TrackBreadth::Flex(fr)),
CoordDataValue::Auto => Some(TrackBreadth::Keyword(TrackKeyword::Auto)),
_ => L::from_gecko_style_coord(coord).map(TrackBreadth::Breadth),
}
})
}
}
impl GeckoStyleCoordConvertible for ShapeRadius {
fn to_gecko_style_coord<T: CoordDataMut>(&self, coord: &mut T) {
match *self {