cosmic-settings/subscriptions/network-manager/src/wireless_enabled.rs
2026-05-15 16:26:20 -06:00

66 lines
1.8 KiB
Rust

// Copyright 2024 System76 <info@system76.com>
// SPDX-License-Identifier: MPL-2.0
use crate::Wrapper;
use super::Event;
use cosmic_dbus_networkmanager::nm::NetworkManager;
use futures::{SinkExt, StreamExt};
use iced_futures::{Subscription, stream};
use std::fmt::Debug;
use std::hash::Hash;
use zbus::Connection;
#[derive(Debug, Clone)]
pub enum State {
Continue(Connection),
Error,
}
pub fn wireless_enabled_subscription<I: 'static + Hash + Copy + Send + Sync + Debug>(
id: I,
conn: Connection,
) -> iced_futures::Subscription<Event> {
Subscription::run_with(Wrapper { id, conn: conn }, |Wrapper { id: _id, conn }| {
let conn = conn.clone();
stream::channel(50, move |output| async move {
watch(conn, output).await;
futures::future::pending().await
})
})
}
pub async fn watch(conn: zbus::Connection, mut output: futures::channel::mpsc::Sender<Event>) {
let mut state = State::Continue(conn);
loop {
state = start_listening(state, &mut output).await;
}
}
async fn start_listening(
state: State,
output: &mut futures::channel::mpsc::Sender<Event>,
) -> State {
let conn = match state {
State::Continue(conn) => conn,
State::Error => 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 wireless_enabled_changed = network_manager.receive_wireless_enabled_changed().await;
while let Some(change) = wireless_enabled_changed.next().await {
if let Ok(enable) = change.get().await {
_ = output.send(Event::WiFiEnabled(enable)).await;
}
}
State::Continue(conn)
}