state/lid-inhibit: Take current lid state into account

src/dbus/logind.rs

@@ -1,9 +1,10 @@
 use std::os::fd::OwnedFd;
 
+use anyhow::{Context, Result};
 use logind_zbus::manager::{InhibitType::HandleLidSwitch, ManagerProxyBlocking};
 use zbus::blocking::Connection;
 
-pub fn inhibit_lid() -> anyhow::Result<OwnedFd> {
+pub fn inhibit_lid() -> Result<OwnedFd> {
     let conn = Connection::system()?;
     let proxy = ManagerProxyBlocking::new(&conn)?;
     let fd = proxy.inhibit(
@@ -15,3 +16,9 @@ pub fn inhibit_lid() -> anyhow::Result<OwnedFd> {
 
     Ok(fd.into())
 }
+
+pub fn lid_closed() -> Result<bool> {
+    let conn = Connection::system()?;
+    let proxy = ManagerProxyBlocking::new(&conn)?;
+    proxy.lid_closed().context("Failed to talk to logind")
+}