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wry/src/wl_usr/usr_ifs/usr_jay_output.rs

61 lines
1.4 KiB
Rust

use {
crate::{
object::Version,
utils::clonecell::CloneCell,
wire::{jay_output::*, JayOutputId},
wl_usr::{usr_object::UsrObject, UsrCon},
},
std::{convert::Infallible, rc::Rc},
};
pub struct UsrJayOutput {
pub id: JayOutputId,
pub con: Rc<UsrCon>,
pub owner: CloneCell<Option<Rc<dyn UsrJayOutputOwner>>>,
pub version: Version,
}
pub trait UsrJayOutputOwner {
fn linear_id(self: Rc<Self>, ev: &LinearId) {
let _ = ev;
}
fn destroyed(&self) {}
}
impl JayOutputEventHandler for UsrJayOutput {
type Error = Infallible;
fn linear_id(&self, ev: LinearId, _slf: &Rc<Self>) -> Result<(), Self::Error> {
if let Some(owner) = self.owner.get() {
owner.linear_id(&ev);
}
Ok(())
}
fn unused(&self, _ev: Unused, _slf: &Rc<Self>) -> Result<(), Self::Error> {
unimplemented!();
}
fn destroyed(&self, _ev: Destroyed, _slf: &Rc<Self>) -> Result<(), Self::Error> {
if let Some(owner) = self.owner.get() {
owner.destroyed();
}
Ok(())
}
}
usr_object_base! {
self = UsrJayOutput = JayOutput;
version = self.version;
}
impl UsrObject for UsrJayOutput {
fn destroy(&self) {
self.con.request(Destroy { self_id: self.id });
}
fn break_loops(&self) {
self.owner.set(None);
}
}