124 lines
3.5 KiB
Rust
124 lines
3.5 KiB
Rust
// Copyright 2023 System76 <info@system76.com>
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// SPDX-License-Identifier: GPL-3.0-only
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//! # DBus interface proxy for: `org.freedesktop.UPower.KbdBacklight`
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//!
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//! This code was generated by `zbus-xmlgen` `2.0.1` from DBus introspection data.
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//! Source: `Interface '/org/freedesktop/UPower/KbdBacklight' from service 'org.freedesktop.UPower' on system bus`.
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use cctk::sctk::reexports::calloop;
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use cctk::toplevel_info::ToplevelInfo;
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use cosmic::cctk::cosmic_protocols;
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use cosmic::iced::subscription;
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use cosmic::iced_futures::futures;
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use cosmic::{cctk, iced};
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use cosmic_protocols::toplevel_info::v1::client::zcosmic_toplevel_handle_v1::ZcosmicToplevelHandleV1;
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use futures::{
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channel::mpsc::{unbounded, UnboundedReceiver},
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SinkExt, StreamExt,
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};
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use image::EncodableLayout;
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use once_cell::sync::Lazy;
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use std::fmt::Debug;
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use std::sync::Arc;
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use tokio::sync::Mutex;
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use crate::wayland_handler::wayland_handler;
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pub static WAYLAND_RX: Lazy<Mutex<Option<UnboundedReceiver<WaylandUpdate>>>> =
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Lazy::new(|| Mutex::new(None));
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pub fn wayland_subscription() -> iced::Subscription<WaylandUpdate> {
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subscription::channel(
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std::any::TypeId::of::<WaylandUpdate>(),
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50,
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move |mut output| async move {
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let mut state = State::Waiting;
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loop {
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state = start_listening(state, &mut output).await;
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}
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},
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)
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}
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pub enum State {
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Waiting,
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Finished,
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}
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async fn start_listening(
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state: State,
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output: &mut futures::channel::mpsc::Sender<WaylandUpdate>,
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) -> State {
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match state {
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State::Waiting => {
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let mut guard = WAYLAND_RX.lock().await;
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let rx = {
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if guard.is_none() {
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let (calloop_tx, calloop_rx) = calloop::channel::channel();
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let (toplevel_tx, toplevel_rx) = unbounded();
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let _ = std::thread::spawn(move || {
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wayland_handler(toplevel_tx, calloop_rx);
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});
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*guard = Some(toplevel_rx);
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_ = output.send(WaylandUpdate::Init(calloop_tx)).await;
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}
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guard.as_mut().unwrap()
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};
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match rx.next().await {
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Some(u) => {
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_ = output.send(u).await;
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State::Waiting
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}
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None => {
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_ = output.send(WaylandUpdate::Finished).await;
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tracing::error!("Wayland handler thread died");
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State::Finished
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}
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}
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}
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State::Finished => iced::futures::future::pending().await,
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}
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}
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#[derive(Clone, Debug)]
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pub enum WaylandUpdate {
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Init(calloop::channel::Sender<WaylandRequest>),
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Finished,
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Toplevel(ToplevelUpdate),
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Image(ZcosmicToplevelHandleV1, WaylandImage),
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}
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#[derive(Debug, Clone)]
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pub struct WaylandImage {
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pub img: Arc<image::RgbaImage>,
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}
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impl WaylandImage {
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pub fn new(img: image::RgbaImage) -> Self {
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Self { img: Arc::new(img) }
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}
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}
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impl AsRef<[u8]> for WaylandImage {
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fn as_ref(&self) -> &[u8] {
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self.img.as_bytes()
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}
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}
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#[derive(Clone, Debug)]
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pub enum ToplevelUpdate {
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Add(ZcosmicToplevelHandleV1, ToplevelInfo),
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Update(ZcosmicToplevelHandleV1, ToplevelInfo),
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Remove(ZcosmicToplevelHandleV1),
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}
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#[derive(Clone, Debug)]
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pub enum WaylandRequest {
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Toplevel(ToplevelRequest),
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}
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#[derive(Debug, Clone)]
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pub enum ToplevelRequest {
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Activate(ZcosmicToplevelHandleV1),
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}
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