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wry/src/wl_usr/usr_ifs/usr_jay_render_ctx.rs

57 lines
1.3 KiB
Rust

use {
crate::{
object::Version,
utils::clonecell::CloneCell,
wire::{jay_render_ctx::*, JayRenderCtxId},
wl_usr::{usr_object::UsrObject, UsrCon},
},
std::{convert::Infallible, rc::Rc},
uapi::OwnedFd,
};
pub struct UsrJayRenderCtx {
pub id: JayRenderCtxId,
pub con: Rc<UsrCon>,
pub owner: CloneCell<Option<Rc<dyn UsrJayRenderCtxOwner>>>,
pub version: Version,
}
pub trait UsrJayRenderCtxOwner {
fn no_device(&self) {}
fn device(&self, fd: Rc<OwnedFd>) {
let _ = fd;
}
}
impl JayRenderCtxEventHandler for UsrJayRenderCtx {
type Error = Infallible;
fn no_device(&self, _ev: NoDevice, _slf: &Rc<Self>) -> Result<(), Self::Error> {
if let Some(owner) = self.owner.get() {
owner.no_device();
}
Ok(())
}
fn device(&self, ev: Device, _slf: &Rc<Self>) -> Result<(), Self::Error> {
if let Some(owner) = self.owner.get() {
owner.device(ev.fd);
}
Ok(())
}
}
usr_object_base! {
self = UsrJayRenderCtx = JayRenderCtx;
version = self.version;
}
impl UsrObject for UsrJayRenderCtx {
fn destroy(&self) {
self.con.request(Destroy { self_id: self.id });
}
fn break_loops(&self) {
self.owner.take();
}
}