cosmic-applets/cosmic-applet-network/src/network_manager/devices.rs
2025-08-18 16:44:50 +02:00

65 lines
1.9 KiB
Rust

use super::{NetworkManagerEvent, NetworkManagerState};
use cosmic::iced::{self, Subscription, stream};
use cosmic_dbus_networkmanager::nm::NetworkManager;
use futures::{SinkExt, StreamExt};
use std::{fmt::Debug, hash::Hash};
use zbus::Connection;
pub fn devices_subscription<I: 'static + Hash + Copy + Send + Sync + Debug>(
id: I,
has_popup: bool,
conn: Connection,
) -> iced::Subscription<NetworkManagerEvent> {
let initial = State::Continue(conn);
Subscription::run_with_id(
(id, has_popup),
stream::channel(50, move |mut output| {
let mut state = initial.clone();
async move {
loop {
state = start_listening(state, has_popup, &mut output).await;
}
}
}),
)
}
#[derive(Debug, Clone)]
pub enum State {
Continue(Connection),
Error,
}
async fn start_listening(
state: State,
has_popup: bool,
output: &mut futures::channel::mpsc::Sender<NetworkManagerEvent>,
) -> State {
let conn = match state {
State::Continue(conn) => conn,
State::Error => iced::futures::future::pending().await,
};
let network_manager = match NetworkManager::new(&conn).await {
Ok(n) => n,
Err(why) => {
tracing::error!(why = why.to_string(), "Failed to connect to NetworkManager");
return State::Error;
}
};
let mut devices_changed = network_manager.receive_devices_changed().await;
let secs = if has_popup { 4 } else { 60 };
while let (Some(_change), _) = tokio::join!(
devices_changed.next(),
tokio::time::sleep(tokio::time::Duration::from_secs(secs))
) {
let new_state = NetworkManagerState::new(&conn).await.unwrap_or_default();
_ = output
.send(NetworkManagerEvent::WirelessAccessPoints(new_state))
.await;
}
State::Continue(conn)
}