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Add support for MaxLength

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This builds on the ExtremumLength type from the previous commit.
This commit is contained in:
Ethan Glasser-Camp 2017-02-17 12:09:00 -05:00
parent 76de979231
commit dd4f331603
8 changed files with 154 additions and 11 deletions
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21
components/style/gecko/values.rs
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@ -14,7 +14,7 @@ use std::cmp::max;
use values::{Auto, Either, ExtremumLength, None_, Normal};
use values::computed::{Angle, LengthOrPercentageOrNone, Number};
use values::computed::{LengthOrPercentage, LengthOrPercentageOrAuto};
use values::computed::MinLength;
use values::computed::{MaxLength, MinLength};
use values::computed::basic_shape::ShapeRadius;
use values::specified::grid::{TrackBreadth, TrackKeyword};
@ -321,6 +321,25 @@ impl GeckoStyleCoordConvertible for MinLength {
}
}
impl GeckoStyleCoordConvertible for MaxLength {
fn to_gecko_style_coord<T: CoordDataMut>(&self, coord: &mut T) {
match *self {
MaxLength::LengthOrPercentage(ref lop) => lop.to_gecko_style_coord(coord),
MaxLength::None => coord.set_value(CoordDataValue::None),
MaxLength::ExtremumLength(ref e) => e.to_gecko_style_coord(coord),
}
}
fn from_gecko_style_coord<T: CoordData>(coord: &T) -> Option<Self> {
LengthOrPercentage::from_gecko_style_coord(coord).map(MaxLength::LengthOrPercentage)
.or_else(|| ExtremumLength::from_gecko_style_coord(coord).map(MaxLength::ExtremumLength))
.or_else(|| match coord.as_value() {
CoordDataValue::None => Some(MaxLength::None),
_ => None,
})
}
}
/// Convert a given RGBA value to `nscolor`.
pub fn convert_rgba_to_nscolor(rgba: &RGBA) -> u32 {
((rgba.alpha as u32) << 24) |