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use zbus::blocking::Connection;
use zbus::object_server::Interface;
use crate::niri::State;
pub mod freedesktop_screensaver;
pub mod gnome_shell_introspect;
pub mod gnome_shell_screenshot;
pub mod mutter_display_config;
pub mod mutter_service_channel;
#[cfg(feature = "xdp-gnome-screencast")]
pub mod mutter_screen_cast;
#[cfg(feature = "xdp-gnome-screencast")]
use mutter_screen_cast::ScreenCast;
use self::freedesktop_screensaver::ScreenSaver;
use self::gnome_shell_introspect::Introspect;
use self::mutter_display_config::DisplayConfig;
use self::mutter_service_channel::ServiceChannel;
trait Start: Interface {
fn start(self) -> anyhow::Result<zbus::blocking::Connection>;
}
#[derive(Default)]
pub struct DBusServers {
pub conn_service_channel: Option<Connection>,
pub conn_display_config: Option<Connection>,
pub conn_screen_saver: Option<Connection>,
pub conn_screen_shot: Option<Connection>,
pub conn_introspect: Option<Connection>,
#[cfg(feature = "xdp-gnome-screencast")]
pub conn_screen_cast: Option<Connection>,
}
impl DBusServers {
pub fn start(state: &mut State, is_session_instance: bool) {
let _span = tracy_client::span!("DBusServers::start");
let backend = &state.backend;
let niri = &mut state.niri;
let config = niri.config.borrow();
let mut dbus = Self::default();
if is_session_instance {
let (to_niri, from_service_channel) = calloop::channel::channel();
let service_channel = ServiceChannel::new(to_niri);
niri.event_loop
.insert_source(from_service_channel, move |event, _, state| match event {
calloop::channel::Event::Msg(new_client) => {
state.niri.insert_client(new_client);
}
calloop::channel::Event::Closed => (),
})
.unwrap();
dbus.conn_service_channel = try_start(service_channel);
}
if is_session_instance || config.debug.dbus_interfaces_in_non_session_instances {
let (to_niri, from_display_config) = calloop::channel::channel();
let display_config = DisplayConfig::new(to_niri, backend.ipc_outputs());
niri.event_loop
.insert_source(from_display_config, move |event, _, state| match event {
calloop::channel::Event::Msg(new_conf) => {
for (name, conf) in new_conf {
state.modify_output_config(&name, move |output| {
if let Some(new_output) = conf {
*output = new_output;
} else {
output.off = true;
}
});
}
state.reload_output_config();
}
calloop::channel::Event::Closed => (),
})
.unwrap();
dbus.conn_display_config = try_start(display_config);
let screen_saver = ScreenSaver::new(niri.is_fdo_idle_inhibited.clone());
dbus.conn_screen_saver = try_start(screen_saver);
let (to_niri, from_screenshot) = calloop::channel::channel();
let (to_screenshot, from_niri) = async_channel::unbounded();
niri.event_loop
.insert_source(from_screenshot, move |event, _, state| match event {
calloop::channel::Event::Msg(msg) => {
state.on_screen_shot_msg(&to_screenshot, msg)
}
calloop::channel::Event::Closed => (),
})
.unwrap();
let screenshot = gnome_shell_screenshot::Screenshot::new(to_niri, from_niri);
dbus.conn_screen_shot = try_start(screenshot);
let (to_niri, from_introspect) = calloop::channel::channel();
let (to_introspect, from_niri) = async_channel::unbounded();
niri.event_loop
.insert_source(from_introspect, move |event, _, state| match event {
calloop::channel::Event::Msg(msg) => {
state.on_introspect_msg(&to_introspect, msg)
}
calloop::channel::Event::Closed => (),
})
.unwrap();
let introspect = Introspect::new(to_niri, from_niri);
dbus.conn_introspect = try_start(introspect);
#[cfg(feature = "xdp-gnome-screencast")]
{
let (to_niri, from_screen_cast) = calloop::channel::channel();
niri.event_loop
.insert_source(from_screen_cast, {
move |event, _, state| match event {
calloop::channel::Event::Msg(msg) => state.on_screen_cast_msg(msg),
calloop::channel::Event::Closed => (),
}
})
.unwrap();
let screen_cast = ScreenCast::new(backend.ipc_outputs(), to_niri);
dbus.conn_screen_cast = try_start(screen_cast);
}
}
niri.dbus = Some(dbus);
}
}
fn try_start<I: Start>(iface: I) -> Option<Connection> {
match iface.start() {
Ok(conn) => Some(conn),
Err(err) => {
warn!("error starting {}: {err:?}", I::name());
None
}
}
}
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