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style: Derive more stuff for clip rects.

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I feel a bit weird for using LenghtPercentageOrAuto to implement LengthOrAuto,
but I don't think much other code will use it so it seemed a bit better to me.

Differential Revision: https://phabricator.services.mozilla.com/D21863
This commit is contained in:
Emilio Cobos Álvarez 2019-03-06 21:37:48 +00:00
parent e723a5b7d6
commit e0b3e5f691
8 changed files with 143 additions and 254 deletions
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10
components/style/values/computed/length.rs
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@ -15,7 +15,7 @@ use crate::values::generics::length::{
use crate::values::generics::NonNegative;
use crate::values::specified::length::ViewportPercentageLength;
use crate::values::specified::length::{AbsoluteLength, FontBaseSize, FontRelativeLength};
use crate::values::{specified, Auto, CSSFloat, Either, Normal};
use crate::values::{specified, CSSFloat, Either, Normal};
use crate::Zero;
use app_units::Au;
use ordered_float::NotNan;
@ -701,7 +701,10 @@ impl From<Au> for CSSPixelLength {
pub type Length = CSSPixelLength;
/// Either a computed `<length>` or the `auto` keyword.
pub type LengthOrAuto = Either<Length, Auto>;
pub type LengthOrAuto = generics::GenericLengthPercentageOrAuto<Length>;
/// Either a non-negative `<length>` or the `auto` keyword.
pub type NonNegativeLengthOrAuto = generics::GenericLengthPercentageOrAuto<NonNegativeLength>;
/// Either a computed `<length>` or a `<number>` value.
pub type LengthOrNumber = GenericLengthOrNumber<Length, Number>;
@ -779,9 +782,6 @@ impl From<NonNegativeLength> for Au {
}
}
/// Either a computed NonNegativeLength or the `auto` keyword.
pub type NonNegativeLengthOrAuto = Either<NonNegativeLength, Auto>;
/// Either a computed NonNegativeLength or the `normal` keyword.
pub type NonNegativeLengthOrNormal = Either<NonNegativeLength, Normal>;