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Bug 1374233 - Part 1: Add NonNegativeNumber and GreaterThanOrEqualToOneNumber.

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NonNegativeNumber: for -moz-box-flex, flex-grow, and flex-shrink.
GreaterThanOrEqualToOneNumber: for stroke-miterlimit.

MozReview-Commit-ID: Kgbt99BPdVA
This commit is contained in:
Boris Chiou 2017-07-19 19:45:24 +08:00
parent 50c9797ddd
commit 4cc97746f2
12 changed files with 181 additions and 26 deletions
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30
components/style/values/animated/mod.rs
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@ -10,6 +10,8 @@
use app_units::Au;
use values::computed::Angle as ComputedAngle;
use values::computed::GreaterThanOrEqualToOneNumber as ComputedGreaterThanOrEqualToOneNumber;
use values::computed::NonNegativeNumber as ComputedNonNegativeNumber;
use values::specified::url::SpecifiedUrl;
pub mod effects;
@ -88,6 +90,34 @@ where
}
}
impl ToAnimatedValue for ComputedNonNegativeNumber {
type AnimatedValue = Self;
#[inline]
fn to_animated_value(self) -> Self {
self
}
#[inline]
fn from_animated_value(animated: Self::AnimatedValue) -> Self {
animated.0.max(0.).into()
}
}
impl ToAnimatedValue for ComputedGreaterThanOrEqualToOneNumber {
type AnimatedValue = Self;
#[inline]
fn to_animated_value(self) -> Self {
self
}
#[inline]
fn from_animated_value(animated: Self::AnimatedValue) -> Self {
animated.0.max(1.).into()
}
}
/// Returns a value similar to `self` that represents zero.
pub trait ToAnimatedZero: Sized {
/// Returns a value that, when added with an underlying value, will produce the underlying