autocommit 2022-01-02 15:13:33 CET

src/ifs/wl_display/mod.rs

@@ -0,0 +1,130 @@
+mod types;
+
+use crate::ifs::wl_callback::WlCallback;
+use crate::ifs::wl_registry::WlRegistry;
+use crate::objects::{Interface, Object, ObjectError, ObjectId, WL_DISPLAY_ID};
+use crate::utils::buffd::WlParser;
+use crate::wl_client::{DynEventFormatter, WlClientData};
+use std::rc::Rc;
+pub use types::*;
+
+const SYNC: u32 = 0;
+const GET_REGISTRY: u32 = 1;
+
+const ERROR: u32 = 0;
+const DELETE_ID: u32 = 1;
+
+const INVALID_OBJECT: u32 = 0;
+const INVALID_METHOD: u32 = 1;
+const NO_MEMORY: u32 = 2;
+const IMPLEMENTATION: u32 = 3;
+
+pub struct WlDisplay {
+    client: Rc<WlClientData>,
+}
+
+impl WlDisplay {
+    pub fn new(client: &Rc<WlClientData>) -> Self {
+        Self {
+            client: client.clone(),
+        }
+    }
+
+    async fn handle_request_(
+        &self,
+        request: u32,
+        parser: WlParser<'_, '_>,
+    ) -> Result<(), WlDisplayError> {
+        match request {
+            SYNC => self.sync(parser).await?,
+            GET_REGISTRY => self.get_registry(parser).await?,
+            _ => unreachable!(),
+        }
+        Ok(())
+    }
+
+    async fn sync(&self, parser: WlParser<'_, '_>) -> Result<(), SyncError> {
+        let sync: Sync = self.client.parse(self, parser)?;
+        let cb = Rc::new(WlCallback::new(sync.callback));
+        self.client.attach_client_object(cb.clone())?;
+        self.client.event(cb.done()).await?;
+        self.client
+            .objects
+            .remove_obj(&self.client, cb.id())
+            .await?;
+        Ok(())
+    }
+
+    async fn get_registry(&self, parser: WlParser<'_, '_>) -> Result<(), GetRegistryError> {
+        let gr: GetRegistry = self.client.parse(self, parser)?;
+        let registry = Rc::new(WlRegistry::new(gr.registry, &self.client));
+        self.client.attach_client_object(registry.clone())?;
+        self.client
+            .state
+            .globals
+            .notify_all(&self.client, &registry)
+            .await?;
+        Ok(())
+    }
+
+    fn error(
+        self: &Rc<Self>,
+        object_id: ObjectId,
+        code: u32,
+        message: String,
+    ) -> DynEventFormatter {
+        Box::new(Error {
+            obj: self.clone(),
+            object_id,
+            code,
+            message,
+        })
+    }
+
+    pub fn invalid_request(self: &Rc<Self>, obj: &dyn Object, request: u32) -> DynEventFormatter {
+        let id = obj.id();
+        let msg = format!(
+            "Object {} of type {} has no method {}",
+            id,
+            obj.interface().name(),
+            request
+        );
+        self.error(id, INVALID_METHOD, msg)
+    }
+
+    pub fn invalid_object(self: &Rc<Self>, id: ObjectId) -> DynEventFormatter {
+        let msg = format!("Object {} does not exist", id,);
+        self.error(id, INVALID_OBJECT, msg)
+    }
+
+    pub fn implementation_error(self: &Rc<Self>, msg: String) -> DynEventFormatter {
+        self.error(WL_DISPLAY_ID, IMPLEMENTATION, msg)
+    }
+
+    pub fn delete_id(self: &Rc<Self>, id: ObjectId) -> DynEventFormatter {
+        Box::new(DeleteId {
+            obj: self.clone(),
+            id,
+        })
+    }
+}
+
+handle_request!(WlDisplay);
+
+impl Object for WlDisplay {
+    fn id(&self) -> ObjectId {
+        WL_DISPLAY_ID
+    }
+
+    fn interface(&self) -> Interface {
+        Interface::WlDisplay
+    }
+
+    fn num_requests(&self) -> u32 {
+        GET_REGISTRY + 1
+    }
+
+    fn into_display(self: Rc<Self>) -> Result<Rc<WlDisplay>, ObjectError> {
+        Ok(self)
+    }
+}