cadmus_core/task/
auto_frontlight.rs

1use std::sync::mpsc::Sender;
2use std::time::Duration;
3
4use crate::task::{BackgroundTask, ShutdownSignal, TaskId};
5use crate::view::Event;
6
7const CHECK_INTERVAL: Duration = Duration::from_secs(5 * 60);
8
9/// Background task that periodically asks the UI loop to recompute and apply
10/// automatic frontlight levels.
11#[derive(Default)]
12pub struct AutoFrontlightTask;
13
14impl BackgroundTask for AutoFrontlightTask {
15    fn id(&self) -> TaskId {
16        TaskId::AutoFrontlight
17    }
18
19    fn run(&mut self, hub: &Sender<Event>, shutdown: &ShutdownSignal) {
20        while !shutdown.should_stop() {
21            if let Err(e) = hub.send(Event::UpdateAutoFrontlight) {
22                tracing::error!(error = %e, "failed to send auto-frontlight update event");
23                break;
24            }
25
26            if shutdown.wait(CHECK_INTERVAL) {
27                break;
28            }
29        }
30    }
31}

cadmus_core/task/auto_frontlight.rs

cadmus_core/task/
auto_frontlight.rs