82 lines
2.8 KiB
Rust
82 lines
2.8 KiB
Rust
// Copyright 2024 System76 <info@system76.com>
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// SPDX-License-Identifier: MPL-2.0
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// XXX error handling?
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use futures::{FutureExt, StreamExt};
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use iced_futures::Subscription;
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use tokio::sync::mpsc::{UnboundedSender, unbounded_channel};
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use tokio_stream::wrappers::UnboundedReceiverStream;
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pub fn subscription(connection: zbus::Connection) -> iced_futures::Subscription<Event> {
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Subscription::run_with_id(
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"settings-daemon",
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async move {
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let settings_daemon = match CosmicSettingsDaemonProxy::new(&connection).await {
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Ok(value) => value,
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Err(err) => {
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log::error!("Error connecting to settings daemon: {}", err);
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futures::future::pending().await
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}
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};
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let (tx, rx) = unbounded_channel();
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let max_brightness_stream = settings_daemon
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.receive_max_display_brightness_changed()
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.await;
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let brightness_stream = settings_daemon.receive_display_brightness_changed().await;
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let initial = futures::stream::iter([Event::Sender(tx)]);
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initial.chain(futures::stream_select!(
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Box::pin(UnboundedReceiverStream::new(rx).filter_map(move |request| {
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let settings_daemon = settings_daemon.clone();
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async move {
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match request {
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Request::SetDisplayBrightness(brightness) => {
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let _ = settings_daemon.set_display_brightness(brightness).await;
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}
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}
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None::<Event>
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}
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})),
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Box::pin(max_brightness_stream.filter_map(|evt| async move {
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Some(Event::MaxDisplayBrightness(evt.get().await.ok()?))
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})),
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Box::pin(brightness_stream.filter_map(|evt| async move {
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Some(Event::DisplayBrightness(evt.get().await.ok()?))
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}))
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))
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}
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.flatten_stream(),
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)
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}
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#[derive(Clone, Debug)]
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pub enum Event {
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Sender(UnboundedSender<Request>),
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MaxDisplayBrightness(i32),
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DisplayBrightness(i32),
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}
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#[zbus::proxy(
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default_service = "com.system76.CosmicSettingsDaemon",
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interface = "com.system76.CosmicSettingsDaemon",
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default_path = "/com/system76/CosmicSettingsDaemon"
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)]
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trait CosmicSettingsDaemon {
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#[zbus(property)]
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fn display_brightness(&self) -> zbus::Result<i32>;
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#[zbus(property)]
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fn set_display_brightness(&self, value: i32) -> zbus::Result<()>;
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#[zbus(property)]
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fn max_display_brightness(&self) -> zbus::Result<i32>;
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#[zbus(property)]
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fn keyboard_brightness(&self) -> zbus::Result<i32>;
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}
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#[derive(Debug, Clone)]
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pub enum Request {
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SetDisplayBrightness(i32),
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}
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