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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /servo/components/style/values/generics/motion.rs | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | servo/components/style/values/generics/motion.rs | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/servo/components/style/values/generics/motion.rs b/servo/components/style/values/generics/motion.rs new file mode 100644 index 0000000000..768ef52ff7 --- /dev/null +++ b/servo/components/style/values/generics/motion.rs @@ -0,0 +1,174 @@ +/* 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 Motion Path. + +use crate::values::generics::position::GenericPosition; +use crate::values::specified::SVGPathData; + +/// The <size> in ray() function. +/// +/// https://drafts.fxtf.org/motion-1/#valdef-offsetpath-size +#[allow(missing_docs)] +#[derive( + Clone, + Copy, + Debug, + Deserialize, + MallocSizeOf, + Parse, + PartialEq, + Serialize, + SpecifiedValueInfo, + ToAnimatedZero, + ToComputedValue, + ToCss, + ToResolvedValue, + ToShmem, +)] +#[repr(u8)] +pub enum RaySize { + ClosestSide, + ClosestCorner, + FarthestSide, + FarthestCorner, + Sides, +} + +impl RaySize { + /// Returns true if it is the default value. + #[inline] + pub fn is_default(&self) -> bool { + *self == RaySize::ClosestSide + } +} + +/// The `ray()` function, `ray( [ <angle> && <size> && contain? ] )` +/// +/// https://drafts.fxtf.org/motion-1/#valdef-offsetpath-ray +#[derive( + Animate, + Clone, + ComputeSquaredDistance, + Debug, + Deserialize, + MallocSizeOf, + PartialEq, + Serialize, + SpecifiedValueInfo, + ToAnimatedZero, + ToComputedValue, + ToCss, + ToResolvedValue, + ToShmem, +)] +#[repr(C)] +pub struct RayFunction<Angle> { + /// The bearing angle with `0deg` pointing up and positive angles + /// representing clockwise rotation. + pub angle: Angle, + /// Decide the path length used when `offset-distance` is expressed + /// as a percentage. + #[animation(constant)] + #[css(skip_if = "RaySize::is_default")] + pub size: RaySize, + /// Clamp `offset-distance` so that the box is entirely contained + /// within the path. + #[animation(constant)] + #[css(represents_keyword)] + pub contain: bool, +} + +/// The offset-path value. +/// +/// https://drafts.fxtf.org/motion-1/#offset-path-property +#[derive( + Animate, + Clone, + ComputeSquaredDistance, + Debug, + Deserialize, + MallocSizeOf, + PartialEq, + Serialize, + SpecifiedValueInfo, + ToAnimatedZero, + ToComputedValue, + ToCss, + ToResolvedValue, + ToShmem, +)] +#[repr(C, u8)] +pub enum GenericOffsetPath<Angle> { + // We could merge SVGPathData into ShapeSource, so we could reuse them. However, + // we don't want to support other value for offset-path, so use SVGPathData only for now. + /// Path value for path(<string>). + #[css(function)] + Path(SVGPathData), + /// ray() function, which defines a path in the polar coordinate system. + #[css(function)] + Ray(RayFunction<Angle>), + /// None value. + #[animation(error)] + None, + // Bug 1186329: Implement <basic-shape>, <geometry-box>, and <url>. +} + +pub use self::GenericOffsetPath as OffsetPath; + +impl<Angle> OffsetPath<Angle> { + /// Return None. + #[inline] + pub fn none() -> Self { + OffsetPath::None + } +} + +/// The offset-position property, which specifies the offset starting position that is used by the +/// <offset-path> functions if they don’t specify their own starting position. +/// +/// https://drafts.fxtf.org/motion-1/#offset-position-property +#[derive( + Animate, + Clone, + ComputeSquaredDistance, + Copy, + Debug, + Deserialize, + MallocSizeOf, + Parse, + PartialEq, + Serialize, + SpecifiedValueInfo, + ToAnimatedValue, + ToAnimatedZero, + ToComputedValue, + ToCss, + ToResolvedValue, + ToShmem, +)] +#[repr(C, u8)] +pub enum GenericOffsetPosition<H, V> { + /// The element does not have an offset starting position. + Normal, + /// The offset starting position is the top-left corner of the box. + Auto, + /// The offset starting position is the result of using the <position> to position a 0x0 object + /// area within the box’s containing block. + Position( + #[css(field_bound)] + #[parse(field_bound)] + GenericPosition<H, V>, + ), +} + +pub use self::GenericOffsetPosition as OffsetPosition; + +impl<H, V> OffsetPosition<H, V> { + /// Returns the initial value, auto. + #[inline] + pub fn auto() -> Self { + Self::Auto + } +} |