portal: implement RemoteDesktop portal

src/ifs/jay_ei_session.rs

@@ -0,0 +1,81 @@
+use {
+    crate::{
+        client::{Client, ClientError, ClientId},
+        leaks::Tracker,
+        object::{Object, Version},
+        wire::{
+            jay_ei_session::{Created, Destroyed, Failed, JayEiSessionRequestHandler, Release},
+            JayEiSessionId,
+        },
+    },
+    std::rc::Rc,
+    thiserror::Error,
+    uapi::OwnedFd,
+};
+
+pub struct JayEiSession {
+    pub id: JayEiSessionId,
+    pub client: Rc<Client>,
+    pub ei_client_id: Option<ClientId>,
+    pub tracker: Tracker<Self>,
+    pub version: Version,
+}
+
+impl JayEiSession {
+    pub fn send_created(&self, fd: &Rc<OwnedFd>) {
+        self.client.event(Created {
+            self_id: self.id,
+            fd: fd.clone(),
+        });
+    }
+
+    pub fn send_failed(&self, reason: &str) {
+        self.client.event(Failed {
+            self_id: self.id,
+            reason,
+        });
+    }
+
+    fn send_destroyed(&self) {
+        self.client.event(Destroyed { self_id: self.id });
+    }
+
+    fn kill(&self, send_destroyed: bool) {
+        if let Some(id) = self.ei_client_id {
+            self.client.state.ei_clients.shutdown(id);
+        }
+        if send_destroyed {
+            self.send_destroyed();
+        }
+    }
+}
+
+impl JayEiSessionRequestHandler for JayEiSession {
+    type Error = JayEiSessionError;
+
+    fn release(&self, _req: Release, _slf: &Rc<Self>) -> Result<(), Self::Error> {
+        self.kill(false);
+        self.client.remove_obj(self)?;
+        Ok(())
+    }
+}
+
+object_base! {
+    self = JayEiSession;
+    version = self.version;
+}
+
+impl Object for JayEiSession {
+    fn break_loops(&self) {
+        self.kill(false);
+    }
+}
+
+simple_add_obj!(JayEiSession);
+
+#[derive(Debug, Error)]
+pub enum JayEiSessionError {
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(JayEiSessionError, ClientError);