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style: Ditch GeckoStyleCoordHelpers, and implement directly on nsStyleCoord.

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Emilio Cobos Álvarez 2017-01-02 04:53:00 +01:00
parent 9b6cf8dc1b
commit 7b4d3deae7
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3 changed files with 10 additions and 11 deletions
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18
components/style/gecko/values.rs
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@ -14,22 +14,22 @@ use values::computed::{Angle, LengthOrPercentageOrNone, Number};
use values::computed::{LengthOrPercentage, LengthOrPercentageOrAuto};
use values::computed::basic_shape::ShapeRadius;
pub trait StyleCoordHelpers {
fn set<T: GeckoStyleCoordConvertible>(&mut self, val: T);
/// A trait that defines an interface to convert from and to `nsStyleCoord`s.
pub trait GeckoStyleCoordConvertible : Sized {
/// Convert this to a `nsStyleCoord`.
fn to_gecko_style_coord<T: CoordDataMut>(&self, coord: &mut T);
/// Given a `nsStyleCoord`, try to get a value of this type..
fn from_gecko_style_coord<T: CoordData>(coord: &T) -> Option<Self>;
}
impl StyleCoordHelpers for nsStyleCoord {
impl nsStyleCoord {
#[inline]
fn set<T: GeckoStyleCoordConvertible>(&mut self, val: T) {
/// Set this `nsStyleCoord` value to `val`.
pub fn set<T: GeckoStyleCoordConvertible>(&mut self, val: T) {
val.to_gecko_style_coord(self);
}
}
pub trait GeckoStyleCoordConvertible : Sized {
fn to_gecko_style_coord<T: CoordDataMut>(&self, coord: &mut T);
fn from_gecko_style_coord<T: CoordData>(coord: &T) -> Option<Self>;
}
impl<A: GeckoStyleCoordConvertible, B: GeckoStyleCoordConvertible> GeckoStyleCoordConvertible for Either<A, B> {
fn to_gecko_style_coord<T: CoordDataMut>(&self, coord: &mut T) {
match *self {