accessibility_tree/style/values/
color.rs

1use super::{FromSpecified, Parse, SpecifiedValue};
2use crate::style::errors::PropertyParseError;
3use crate::style::values::CascadeContext;
4use cssparser::{Color, Parser, RGBA};
5
6impl Parse for Color {
7    fn parse<'i, 't>(parser: &mut Parser<'i, 't>) -> Result<Self, PropertyParseError<'i>> {
8        Ok(Color::parse(parser)?)
9    }
10}
11
12impl SpecifiedValue for Color {
13    type SpecifiedValue = Self;
14}
15
16impl FromSpecified for Color {
17    fn from_specified(specified: &Self, _: &CascadeContext) -> Self {
18        specified.clone()
19    }
20}
21
22// Only used for the 'color' property
23impl SpecifiedValue for RGBA {
24    type SpecifiedValue = Color;
25}
26
27impl FromSpecified for RGBA {
28    fn from_specified(specified: &Color, context: &CascadeContext) -> Self {
29        match specified {
30            Color::RGBA(rgba) => *rgba,
31            // https://drafts.csswg.org/css-color/#resolve-color-values
32            // “If `currentcolor` is the specified value of the 'color' property,
33            //  it is treated as if the specified value was `inherit`.”
34            Color::CurrentColor => context.inherited.color.color,
35        }
36    }
37}
38
39pub const BLACK: RGBA = RGBA {
40    red: 0,
41    green: 0,
42    blue: 0,
43    alpha: 255,
44};
accessibility_tree/style/values/color.rs

accessibility_tree/style/values/
color.rs
