autocommit 2022-02-06 16:33:54 CET

src/ifs/wl_drm.rs

@@ -0,0 +1,156 @@
+use crate::client::{Client, ClientError, DynEventFormatter};
+use crate::globals::{Global, GlobalName};
+use crate::object::Object;
+use crate::utils::buffd::MsgParser;
+use std::ffi::CString;
+use std::rc::Rc;
+use bstr::ByteSlice;
+use thiserror::Error;
+use crate::wire::wl_drm::*;
+use crate::utils::buffd::MsgParserError;
+use crate::wire::WlDrmId;
+
+
+const PRIME: u32 = 1;
+
+pub struct WlDrmGlobal {
+    name: GlobalName,
+}
+
+impl WlDrmGlobal {
+    pub fn new(name: GlobalName) -> Self {
+        Self { name }
+    }
+
+    fn bind_(
+        self: Rc<Self>,
+        id: WlDrmId,
+        client: &Rc<Client>,
+        version: u32,
+    ) -> Result<(), WlDrmError> {
+        let obj = Rc::new(WlDrm {
+            id,
+            client: client.clone(),
+            _version: version,
+        });
+        client.add_client_obj(&obj)?;
+        if let Some(rc) = client.state.render_ctx.get() {
+            client.event(obj.device(&rc.render_node()));
+            client.event(obj.capabilities(PRIME));
+        }
+        Ok(())
+    }
+}
+
+global_base!(WlDrmGlobal, WlDrm, WlDrmError);
+
+impl Global for WlDrmGlobal {
+    fn singleton(&self) -> bool {
+        true
+    }
+
+    fn version(&self) -> u32 {
+        1
+    }
+}
+
+simple_add_global!(WlDrmGlobal);
+
+pub struct WlDrm {
+    id: WlDrmId,
+    pub client: Rc<Client>,
+    _version: u32,
+}
+
+impl WlDrm {
+    fn device(self: &Rc<Self>, device: &Rc<CString>) -> DynEventFormatter {
+        Box::new(DeviceOut {
+            self_id: self.id,
+            name: device.as_bytes().as_bstr().to_owned(),
+        })
+    }
+
+    fn authenticated(self: &Rc<Self>) -> DynEventFormatter {
+        Box::new(Authenticated { self_id: self.id })
+    }
+
+    fn capabilities(self: &Rc<Self>, value: u32) -> DynEventFormatter {
+        Box::new(Capabilities {
+            self_id: self.id,
+            value,
+        })
+    }
+
+    fn authenticate(self: &Rc<Self>, parser: MsgParser<'_, '_>) -> Result<(), AuthenticateError> {
+        let _req: Authenticate = self.client.parse(&**self, parser)?;
+        self.client.event(self.authenticated());
+        Ok(())
+    }
+
+    fn create_buffer(self: &Rc<Self>, parser: MsgParser<'_, '_>) -> Result<(), CreateBufferError> {
+        let _req: CreateBuffer = self.client.parse(&**self, parser)?;
+        Err(CreateBufferError::Unsupported)
+    }
+
+    fn create_planar_buffer(
+        self: &Rc<Self>,
+        parser: MsgParser<'_, '_>,
+    ) -> Result<(), CreatePlanarBufferError> {
+        let _req: CreatePlanarBuffer = self.client.parse(&**self, parser)?;
+        Err(CreatePlanarBufferError::Unsupported)
+    }
+}
+
+object_base! {
+    WlDrm, WlDrmError;
+
+    AUTHENTICATE => authenticate,
+    CREATE_BUFFER => create_buffer,
+    CREATE_PLANAR_BUFFER => create_planar_buffer,
+}
+
+impl Object for WlDrm {
+    fn num_requests(&self) -> u32 {
+        CREATE_PLANAR_BUFFER + 1
+    }
+}
+
+simple_add_obj!(WlDrm);
+
+#[derive(Debug, Error)]
+pub enum WlDrmError {
+    #[error("Could not process a `authenticate` request")]
+    AuthenticateError(#[from] AuthenticateError),
+    #[error("Could not process a `create_buffer` request")]
+    CreateBufferError(#[from] CreateBufferError),
+    #[error("Could not process a `create_planar_buffer` request")]
+    CreatePlanarBufferError(#[from] CreatePlanarBufferError),
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(WlDrmError, ClientError);
+
+#[derive(Debug, Error)]
+pub enum AuthenticateError {
+    #[error("Parsing failed")]
+    ParseError(#[source] Box<MsgParserError>),
+}
+efrom!(AuthenticateError, ParseError, MsgParserError);
+
+#[derive(Debug, Error)]
+pub enum CreateBufferError {
+    #[error("Parsing failed")]
+    ParseError(#[source] Box<MsgParserError>),
+    #[error("This api is not supported")]
+    Unsupported,
+}
+efrom!(CreateBufferError, ParseError, MsgParserError);
+
+#[derive(Debug, Error)]
+pub enum CreatePlanarBufferError {
+    #[error("Parsing failed")]
+    ParseError(#[source] Box<MsgParserError>),
+    #[error("This api is not supported")]
+    Unsupported,
+}
+efrom!(CreatePlanarBufferError, ParseError, MsgParserError);