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Support #[animation(constant)] when deriving ToAnimatedZero

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This commit is contained in:
Anthony Ramine 2017-08-26 00:07:02 +02:00
parent 405e34aa74
commit 8101887d31
4 changed files with 23 additions and 31 deletions
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17
components/style/values/computed/length.rs
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@ -11,7 +11,6 @@ use style_traits::ToCss;
use style_traits::values::specified::AllowedLengthType;
use super::{Number, ToComputedValue, Context, Percentage};
use values::{Auto, CSSFloat, Either, ExtremumLength, None_, Normal, specified};
use values::animated::ToAnimatedZero;
use values::computed::{NonNegativeAu, NonNegativeNumber};
use values::distance::{ComputeSquaredDistance, SquaredDistance};
use values::generics::NonNegative;
@ -64,26 +63,16 @@ impl ToComputedValue for specified::Length {
}
}
#[derive(Clone, Copy, Debug, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[allow(missing_docs)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[derive(Clone, Copy, Debug, PartialEq, ToAnimatedZero)]
pub struct CalcLengthOrPercentage {
#[animation(constant)]
pub clamping_mode: AllowedLengthType,
length: Au,
pub percentage: Option<Percentage>,
}
impl ToAnimatedZero for CalcLengthOrPercentage {
#[inline]
fn to_animated_zero(&self) -> Result<Self, ()> {
Ok(CalcLengthOrPercentage {
clamping_mode: self.clamping_mode,
length: self.length.to_animated_zero()?,
percentage: self.percentage.to_animated_zero()?,
})
}
}
impl ComputeSquaredDistance for CalcLengthOrPercentage {
#[inline]
fn compute_squared_distance(&self, other: &Self) -> Result<SquaredDistance, ()> {