style/values/resolved/
color.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5//! Resolved color values.
6
7use super::{Context, ToResolvedValue};
8
9use crate::values::computed::color as computed;
10use crate::values::generics::color as generics;
11
12impl ToResolvedValue for computed::Color {
13    // A resolved color value is (almost always) a rgba color, with currentcolor resolved.
14    type ResolvedValue = Self;
15
16    #[inline]
17    fn to_resolved_value(self, context: &Context) -> Self::ResolvedValue {
18        if context.for_property == crate::properties::ShorthandId::TextDecoration.into()
19            && matches!(self, Self::CurrentColor)
20        {
21            return self;
22        }
23        generics::Color::Absolute(context.style.resolve_color(&self))
24    }
25
26    #[inline]
27    fn from_resolved_value(resolved: Self::ResolvedValue) -> Self {
28        resolved
29    }
30}
31
32impl ToResolvedValue for computed::CaretColor {
33    // A resolved caret-color value is an rgba color, with auto resolving to
34    // currentcolor.
35    type ResolvedValue = computed::Color;
36
37    #[inline]
38    fn to_resolved_value(self, context: &Context) -> Self::ResolvedValue {
39        let color = match self.0 {
40            generics::ColorOrAuto::Color(color) => color,
41            generics::ColorOrAuto::Auto => generics::Color::currentcolor(),
42        };
43        color.to_resolved_value(context)
44    }
45
46    #[inline]
47    fn from_resolved_value(resolved: Self::ResolvedValue) -> Self {
48        generics::CaretColor(generics::ColorOrAuto::Color(
49            computed::Color::from_resolved_value(resolved),
50        ))
51    }
52}