autocommit 2022-04-27 20:37:49 CEST

src/ifs/wp_presentation.rs

@@ -0,0 +1,116 @@
+pub use crate::wire::{wp_presentation::*, WpPresentationId};
+use {
+    crate::{
+        client::{Client, ClientError},
+        globals::{Global, GlobalName},
+        ifs::wp_presentation_feedback::WpPresentationFeedback,
+        leaks::Tracker,
+        object::Object,
+        utils::buffd::{MsgParser, MsgParserError},
+    },
+    std::rc::Rc,
+    thiserror::Error,
+    uapi::c,
+};
+
+pub struct WpPresentationGlobal {
+    pub name: GlobalName,
+}
+
+impl WpPresentationGlobal {
+    pub fn new(name: GlobalName) -> Self {
+        Self { name }
+    }
+
+    fn bind_(
+        self: Rc<Self>,
+        id: WpPresentationId,
+        client: &Rc<Client>,
+        _version: u32,
+    ) -> Result<(), WpPresentationError> {
+        let obj = Rc::new(WpPresentation {
+            id,
+            client: client.clone(),
+            tracker: Default::default(),
+        });
+        track!(client, obj);
+        client.add_client_obj(&obj)?;
+        obj.send_clock_id();
+        Ok(())
+    }
+}
+
+global_base!(WpPresentationGlobal, WpPresentation, WpPresentationError);
+
+impl Global for WpPresentationGlobal {
+    fn singleton(&self) -> bool {
+        true
+    }
+
+    fn version(&self) -> u32 {
+        1
+    }
+}
+
+simple_add_global!(WpPresentationGlobal);
+
+pub struct WpPresentation {
+    pub id: WpPresentationId,
+    pub client: Rc<Client>,
+    pub tracker: Tracker<Self>,
+}
+
+impl WpPresentation {
+    fn send_clock_id(&self) {
+        self.client.event(ClockId {
+            self_id: self.id,
+            clk_id: c::CLOCK_MONOTONIC as _,
+        });
+    }
+
+    pub fn destroy(&self, parser: MsgParser<'_, '_>) -> Result<(), WpPresentationError> {
+        let _req: Destroy = self.client.parse(self, parser)?;
+        self.client.remove_obj(self)?;
+        Ok(())
+    }
+
+    pub fn feedback(&self, parser: MsgParser<'_, '_>) -> Result<(), WpPresentationError> {
+        let req: Feedback = self.client.parse(self, parser)?;
+        let surface = self.client.lookup(req.surface)?;
+        let fb = Rc::new(WpPresentationFeedback {
+            id: req.callback,
+            client: self.client.clone(),
+            surface: surface.clone(),
+            tracker: Default::default(),
+        });
+        track!(self.client, fb);
+        self.client.add_client_obj(&fb)?;
+        surface.add_presentation_feedback(&fb);
+        Ok(())
+    }
+}
+
+object_base2! {
+    WpPresentation;
+
+    DESTROY => destroy,
+    FEEDBACK => feedback,
+}
+
+impl Object for WpPresentation {
+    fn num_requests(&self) -> u32 {
+        FEEDBACK + 1
+    }
+}
+
+simple_add_obj!(WpPresentation);
+
+#[derive(Debug, Error)]
+pub enum WpPresentationError {
+    #[error("Parsing failed")]
+    MsgParserError(#[source] Box<MsgParserError>),
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(WpPresentationError, MsgParserError);
+efrom!(WpPresentationError, ClientError);