portal: implement window capture

src/ifs/jay_toplevel.rs

@@ -0,0 +1,68 @@
+use {
+    crate::{
+        client::{Client, ClientError},
+        leaks::Tracker,
+        object::{Object, Version},
+        tree::ToplevelNode,
+        wire::{jay_toplevel::*, JayToplevelId},
+    },
+    std::{cell::Cell, rc::Rc},
+    thiserror::Error,
+};
+
+pub struct JayToplevel {
+    pub id: JayToplevelId,
+    pub client: Rc<Client>,
+    pub tracker: Tracker<Self>,
+    pub toplevel: Rc<dyn ToplevelNode>,
+    pub destroyed: Cell<bool>,
+}
+
+impl JayToplevel {
+    fn detach(&self) {
+        self.destroyed.set(true);
+        self.toplevel
+            .tl_data()
+            .jay_toplevels
+            .remove(&(self.client.id, self.id));
+    }
+
+    pub fn destroy(&self) {
+        self.destroyed.set(true);
+        self.send_destroyed();
+    }
+
+    fn send_destroyed(&self) {
+        self.client.event(Destroyed { self_id: self.id });
+    }
+}
+
+impl JayToplevelRequestHandler for JayToplevel {
+    type Error = JayToplevelError;
+
+    fn destroy(&self, _req: Destroy, _slf: &Rc<Self>) -> Result<(), Self::Error> {
+        self.detach();
+        self.client.remove_obj(self)?;
+        Ok(())
+    }
+}
+
+object_base! {
+    self = JayToplevel;
+    version = Version(1);
+}
+
+impl Object for JayToplevel {
+    fn break_loops(&self) {
+        self.detach();
+    }
+}
+
+dedicated_add_obj!(JayToplevel, JayToplevelId, jay_toplevels);
+
+#[derive(Debug, Error)]
+pub enum JayToplevelError {
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(JayToplevelError, ClientError);