encre_css/plugins/accessibility/screen_reader/
mod.rs

1#![doc = include_str!("README.md")]
2#![doc(alias = "accessibility")]
3use crate::prelude::build_plugin::*;
4
5#[derive(Debug)]
6pub(crate) struct PluginDefinition;
7
8impl Plugin for PluginDefinition {
9    fn can_handle(&self, context: ContextCanHandle) -> bool {
10        matches!(
11            context.modifier,
12            Modifier::Builtin {
13                value: "sr-only" | "not-sr-only",
14                ..
15            }
16        )
17    }
18
19    fn handle(&self, context: &mut ContextHandle) {
20        match context.modifier {
21            Modifier::Builtin { value, .. } => match *value {
22                "sr-only" => context.buffer.lines([
23                    "position: absolute;",
24                    "width: 1px;",
25                    "height: 1px;",
26                    "padding: 0;",
27                    "margin: -1px;",
28                    "overflow: hidden;",
29                    "clip: rect(0, 0, 0, 0);",
30                    "white-space: nowrap;",
31                    "border-width: 0;",
32                ]),
33                "not-sr-only" => context.buffer.lines([
34                    "position: static;",
35                    "width: auto;",
36                    "height: auto;",
37                    "padding: 0;",
38                    "margin: 0;",
39                    "overflow: visible;",
40                    "clip: auto;",
41                    "white-space: normal;",
42                ]),
43                _ => unreachable!(),
44            },
45            Modifier::Arbitrary { .. } => unreachable!(),
46        }
47    }
48}