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wry/src/ifs/wl_registry/mod.rs
2022-01-02 20:11:25 +01:00

91 lines
2.3 KiB
Rust

mod types;
use crate::client::{Client, DynEventFormatter};
use crate::globals::{Global, GlobalName};
use crate::object::{Interface, Object, ObjectId};
use crate::utils::buffd::MsgParser;
use std::rc::Rc;
pub use types::*;
const BIND: u32 = 0;
const GLOBAL: u32 = 0;
const GLOBAL_REMOVE: u32 = 1;
pub struct WlRegistry {
id: ObjectId,
client: Rc<Client>,
}
impl WlRegistry {
pub fn new(id: ObjectId, client: &Rc<Client>) -> Self {
Self {
id,
client: client.clone(),
}
}
pub fn global(self: &Rc<Self>, global: &Rc<dyn Global>) -> DynEventFormatter {
Box::new(GlobalE {
obj: self.clone(),
global: global.clone(),
})
}
pub fn global_remove(self: &Rc<Self>, name: GlobalName) -> DynEventFormatter {
Box::new(GlobalRemove {
obj: self.clone(),
name,
})
}
async fn bind(&self, parser: MsgParser<'_, '_>) -> Result<(), BindError> {
let bind: Bind = self.client.parse(self, parser)?;
let global = self.client.state.globals.get(bind.name)?;
if global.interface().name() != bind.interface {
return Err(BindError::InvalidInterface(InterfaceError {
name: global.name(),
interface: global.interface(),
actual: bind.interface.to_string(),
}));
}
if bind.version > global.version() {
return Err(BindError::InvalidVersion(VersionError {
name: global.name(),
interface: global.interface(),
version: global.version(),
actual: bind.version,
}));
}
global.bind(&self.client, bind.id, bind.version).await?;
Ok(())
}
async fn handle_request_(
&self,
request: u32,
parser: MsgParser<'_, '_>,
) -> Result<(), WlRegistryError> {
match request {
BIND => self.bind(parser).await?,
_ => unreachable!(),
}
Ok(())
}
}
handle_request!(WlRegistry);
impl Object for WlRegistry {
fn id(&self) -> ObjectId {
self.id
}
fn interface(&self) -> Interface {
Interface::WlRegistry
}
fn num_requests(&self) -> u32 {
BIND + 1
}
}