egui/egui_web/src/screen_reader.rs
2021-05-09 14:42:14 +02:00

47 lines
1.2 KiB
Rust

pub struct ScreenReader {
#[cfg(feature = "screen_reader")]
tts: Option<tts::Tts>,
}
#[cfg(not(feature = "screen_reader"))]
impl Default for ScreenReader {
fn default() -> Self {
Self {}
}
}
#[cfg(feature = "screen_reader")]
impl Default for ScreenReader {
fn default() -> Self {
let tts = match tts::Tts::default() {
Ok(screen_reader) => {
crate::console_log("Initialized screen reader.");
Some(screen_reader)
}
Err(err) => {
crate::console_warn(format!("Failed to load screen reader: {}", err));
None
}
};
Self { tts }
}
}
impl ScreenReader {
#[cfg(not(feature = "screen_reader"))]
pub fn speak(&mut self, _text: &str) {}
#[cfg(feature = "screen_reader")]
pub fn speak(&mut self, text: &str) {
if text.is_empty() {
return;
}
if let Some(tts) = &mut self.tts {
crate::console_log(format!("Speaking: {:?}", text));
let interrupt = true;
if let Err(err) = tts.speak(text, interrupt) {
crate::console_warn(format!("Failed to read: {}", err));
}
}
}
}