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wry/src/logind.rs
2022-03-02 14:24:07 +01:00

79 lines
2.3 KiB
Rust

use crate::dbus::{DbusError, DbusSocket, Reply};
use crate::org::freedesktop::login1::session::TakeControlReply;
use crate::{org, FALSE};
use std::rc::Rc;
use thiserror::Error;
const LOGIND_NAME: &str = "org.freedesktop.login1";
const MANAGER_PATH: &str = "/org/freedesktop/login1";
#[derive(Debug, Error)]
pub enum LogindError {
#[error("XDG_SESSION_ID is not set")]
XdgSessionId,
#[error("Could not retrieve the session dbus path")]
GetSession(DbusError),
#[error("Could not retrieve the session's seat name")]
GetSeatName(DbusError),
#[error(transparent)]
TakeControl(DbusError),
}
pub struct Session {
socket: Rc<DbusSocket>,
seat: String,
session_path: String,
}
impl Session {
pub async fn get(socket: &Rc<DbusSocket>) -> Result<Self, LogindError> {
let session_id = match std::env::var("XDG_SESSION_ID") {
Ok(id) => id,
_ => return Err(LogindError::XdgSessionId),
};
let session_path = {
let session = socket
.call_async(
LOGIND_NAME,
MANAGER_PATH,
org::freedesktop::login1::manager::GetSession {
session_id: session_id.as_str().into(),
},
)
.await;
match session {
Ok(s) => s.get().object_path.to_string(),
Err(e) => return Err(LogindError::GetSession(e)),
}
};
let seat = {
let seat = socket
.get_async::<org::freedesktop::login1::session::Seat>(LOGIND_NAME, &session_path)
.await;
match seat {
Ok(s) => s.get().0.to_string(),
Err(e) => return Err(LogindError::GetSeatName(e)),
}
};
Ok(Self {
socket: socket.clone(),
seat,
session_path,
})
}
pub async fn take_control(&self) -> Result<(), LogindError> {
let res = self
.socket
.call_async(
LOGIND_NAME,
&self.session_path,
org::freedesktop::login1::session::TakeControl { force: FALSE },
)
.await;
match res {
Ok(r) => Ok(()),
Err(e) => Err(LogindError::TakeControl(e)),
}
}
}