libcosmic-yoda/src/applet/token/subscription.rs
2026-03-04 12:04:32 -05:00

81 lines
2.3 KiB
Rust

use crate::iced;
use crate::iced_futures::futures;
use cctk::sctk::reexports::calloop;
use futures::{
SinkExt, StreamExt,
channel::mpsc::{UnboundedReceiver, unbounded},
};
use iced::Subscription;
use iced_futures::stream;
use std::{fmt::Debug, hash::Hash, thread::JoinHandle};
use super::wayland_handler::wayland_handler;
pub fn activation_token_subscription<I: 'static + Hash + Copy + Send + Sync + Debug>(
id: I,
) -> iced::Subscription<TokenUpdate> {
Subscription::run_with(id, |_| {
stream::channel(50, move |mut output| async move {
let mut state = State::Ready;
loop {
state = start_listening(state, &mut output).await;
}
})
})
}
pub enum State {
Ready,
Waiting(
UnboundedReceiver<TokenUpdate>,
calloop::channel::Sender<TokenRequest>,
JoinHandle<()>,
),
Finished,
}
async fn start_listening(
state: State,
output: &mut futures::channel::mpsc::Sender<TokenUpdate>,
) -> State {
match state {
State::Ready => {
let (calloop_tx, calloop_rx) = calloop::channel::channel();
let (toplevel_tx, toplevel_rx) = unbounded();
let handle = std::thread::spawn(move || {
wayland_handler(toplevel_tx, calloop_rx);
});
let tx = calloop_tx.clone();
_ = output.send(TokenUpdate::Init(tx)).await;
State::Waiting(toplevel_rx, calloop_tx, handle)
}
State::Waiting(mut rx, tx, handle) => {
if handle.is_finished() {
_ = output.send(TokenUpdate::Finished).await;
return State::Finished;
}
if let Some(u) = rx.next().await {
_ = output.send(u).await;
State::Waiting(rx, tx, handle)
} else {
_ = output.send(TokenUpdate::Finished).await;
State::Finished
}
}
State::Finished => iced::futures::future::pending().await,
}
}
#[derive(Clone, Debug)]
pub enum TokenUpdate {
Init(calloop::channel::Sender<TokenRequest>),
Finished,
ActivationToken { token: Option<String>, exec: String },
}
#[derive(Clone, Debug)]
pub struct TokenRequest {
pub app_id: String,
pub exec: String,
}