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battery: Show keyboard backlight only when supported

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This commit is contained in:
Ian Douglas Scott 2024-03-27 14:51:13 -07:00 • committed by Ian Douglas Scott
parent d5aa2f3252
commit a18d64add7
3 changed files with 45 additions and 56 deletions
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19
cosmic-applet-battery/src/upower_kbdbacklight.rs
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@ -54,6 +54,10 @@ pub enum State {
Finished,
}
async fn get_brightness(kbd_proxy: &KbdBacklightProxy<'_>) -> zbus::Result<f64> {
Ok(kbd_proxy.get_brightness().await? as f64 / kbd_proxy.get_max_brightness().await? as f64)
}
async fn start_listening(
state: State,
output: &mut futures::channel::mpsc::Sender<KeyboardBacklightUpdate>,
@ -70,18 +74,17 @@ async fn start_listening(
};
let (tx, rx) = unbounded_channel();
let b = kbd_proxy.get_brightness().await.unwrap_or_default() as f64
/ kbd_proxy.get_max_brightness().await.unwrap_or(1) as f64;
_ = output.send(KeyboardBacklightUpdate::Init(tx, b)).await;
let b = get_brightness(&kbd_proxy).await.ok();
_ = output.send(KeyboardBacklightUpdate::Sender(tx)).await;
_ = output.send(KeyboardBacklightUpdate::Brightness(b)).await;
State::Waiting(kbd_proxy, rx)
}
State::Waiting(proxy, mut rx) => match rx.recv().await {
Some(req) => match req {
KeyboardBacklightRequest::Get => {
let b = proxy.get_brightness().await.unwrap_or_default() as f64
/ proxy.get_max_brightness().await.unwrap_or(1) as f64;
_ = output.send(KeyboardBacklightUpdate::Update(b)).await;
let b = get_brightness(&proxy).await.ok();
_ = output.send(KeyboardBacklightUpdate::Brightness(b)).await;
State::Waiting(proxy, rx)
}
KeyboardBacklightRequest::Set(value) => {
@ -102,8 +105,8 @@ async fn start_listening(
#[derive(Debug, Clone)]
pub enum KeyboardBacklightUpdate {
Update(f64),
Init(UnboundedSender<KeyboardBacklightRequest>, f64),
Sender(UnboundedSender<KeyboardBacklightRequest>),
Brightness(Option<f64>),
}
#[derive(Debug, Clone)]