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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/. */
//! Generic types for CSS handling of specified and computed values of
//! [`position`](https://drafts.csswg.org/css-backgrounds-3/#position)
/// A generic type for representing a CSS [position](https://drafts.csswg.org/css-values/#position).
#[derive(
Animate,
Clone,
ComputeSquaredDistance,
Copy,
Debug,
MallocSizeOf,
PartialEq,
SpecifiedValueInfo,
ToAnimatedValue,
ToAnimatedZero,
ToComputedValue,
ToResolvedValue,
ToShmem,
)]
#[repr(C)]
pub struct GenericPosition<H, V> {
/// The horizontal component of position.
pub horizontal: H,
/// The vertical component of position.
pub vertical: V,
}
pub use self::GenericPosition as Position;
impl<H, V> Position<H, V> {
/// Returns a new position.
pub fn new(horizontal: H, vertical: V) -> Self {
Self {
horizontal,
vertical,
}
}
}
/// A generic value for the `z-index` property.
#[derive(
Animate,
Clone,
ComputeSquaredDistance,
Copy,
Debug,
MallocSizeOf,
PartialEq,
Parse,
SpecifiedValueInfo,
ToAnimatedZero,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[repr(C, u8)]
pub enum GenericZIndex<I> {
/// An integer value.
Integer(I),
/// The keyword `auto`.
Auto,
}
pub use self::GenericZIndex as ZIndex;
impl<Integer> ZIndex<Integer> {
/// Returns `auto`
#[inline]
pub fn auto() -> Self {
ZIndex::Auto
}
/// Returns whether `self` is `auto`.
#[inline]
pub fn is_auto(self) -> bool {
matches!(self, ZIndex::Auto)
}
/// Returns the integer value if it is an integer, or `auto`.
#[inline]
pub fn integer_or(self, auto: Integer) -> Integer {
match self {
ZIndex::Integer(n) => n,
ZIndex::Auto => auto,
}
}
}
|
