WIP org.freedesktop.ScreenSaver

src/freedesktop_screensaver.rs

@@ -0,0 +1,46 @@
+// https://specifications.freedesktop.org/idle-inhibit-spec/latest
+
+use std::collections::HashMap;
+
+#[derive(Debug)]
+struct Inhibitor {
+    application_name: String,
+    reason_for_inhibit: String,
+}
+
+#[derive(Default)]
+pub struct Screensaver {
+    inhibitors: HashMap<u32, Inhibitor>,
+    last_cookie: u32,
+}
+
+#[zbus::interface(name = "org.freedesktop.ScreenSaver")]
+impl Screensaver {
+    fn inhibit(&mut self, application_name: String, reason_for_inhibit: String) -> u32 {
+        self.last_cookie += 1;
+        self.inhibitors.insert(
+            self.last_cookie,
+            Inhibitor {
+                application_name,
+                reason_for_inhibit,
+            },
+        );
+        self.last_cookie
+    }
+
+    fn un_inhibit(&mut self, cookie: u32) {
+        self.inhibitors.remove(&cookie);
+    }
+}
+
+pub async fn serve(conn: &zbus::Connection) -> zbus::Result<()> {
+    conn.request_name_with_flags(
+        "org.freedesktop.ScreenSaver",
+        zbus::fdo::RequestNameFlags::ReplaceExisting.into(),
+    )
+    .await?;
+    conn.object_server()
+        .at("/org/freedesktop/ScreenSaver", Screensaver::default())
+        .await?;
+    Ok(())
+}