firefox-main/servo/components/style/values/computed/time.rs (file symbol)

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
//! Computed time values.
use crate::derives::*;
use crate::values::CSSFloat;
use crate::Zero;
use std::fmt::{self, Write};
use style_traits::{CssString, CssWriter, NumericValue, ToCss, ToTyped, TypedValue, UnitValue};
use thin_vec::ThinVec;
/// A computed `<time>` value.
#[derive(Animate, Clone, Copy, Debug, MallocSizeOf, PartialEq, PartialOrd, ToResolvedValue)]
#[cfg_attr(feature = "servo", derive(Deserialize, Serialize))]
#[repr(C)]
pub struct Time {
seconds: CSSFloat,
}
impl Time {
/// Creates a time value from a seconds amount.
pub fn from_seconds(seconds: CSSFloat) -> Self {
Time { seconds }
}
/// Returns the amount of seconds this time represents.
#[inline]
pub fn seconds(&self) -> CSSFloat {
self.seconds
}
}
impl ToCss for Time {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: Write,
{
self.seconds().to_css(dest)?;
dest.write_char('s')
}
}
impl ToTyped for Time {
fn to_typed(&self, dest: &mut ThinVec<TypedValue>) -> Result<(), ()> {
dest.push(TypedValue::Numeric(NumericValue::Unit(UnitValue {
value: self.seconds(),
unit: CssString::from("s"),
})));
Ok(())
}
}
impl Zero for Time {
fn zero() -> Self {
Self::from_seconds(0.0)
}
fn is_zero(&self) -> bool {
self.seconds == 0.
}
}