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wip: remove runner on hook and then update docs

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Jonathan Kelley committed 2022-01-02 02:15:04 -05:00
1 parent 7d41a16208
commit d1560450ba
95 files changed
+1339 -675
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packages/hooks/src/usecoroutine.rs
+40 -43
View File
@@ -1,6 +1,6 @@
use dioxus_core::{ScopeState, TaskId};
use std::future::Future;
use std::{cell::Cell, pin::Pin, rc::Rc};
use std::{cell::Cell, rc::Rc};
/*
@@ -22,61 +22,58 @@ pub fn use_coroutine<'a, F>(
where
F: Future<Output = ()> + 'static,
{
cx.use_hook(
move |_| {
let f = create_future();
let id = cx.push_future(f);
State {
let state = cx.use_hook(move |_| {
let f = create_future();
let id = cx.push_future(f);
State {
running: Default::default(),
id
_id: id
// pending_fut: Default::default(),
// running_fut: Default::default(),
}
},
|state| {
// state.pending_fut.set(Some(Box::pin(f)));
});
// if let Some(fut) = state.running_fut.as_mut() {
// cx.push_future(fut);
// }
// state.pending_fut.set(Some(Box::pin(f)));
// if let Some(fut) = state.running_fut.take() {
// state.running.set(true);
// fut.resume();
// }
// if let Some(fut) = state.running_fut.as_mut() {
// cx.push_future(fut);
// }
// let submit: Box<dyn FnOnce() + 'a> = Box::new(move || {
// let g = async move {
// running.set(true);
// create_future().await;
// running.set(false);
// };
// let p: Pin<Box<dyn Future<Output = ()>>> = Box::pin(g);
// fut_slot
// .borrow_mut()
// .replace(unsafe { std::mem::transmute(p) });
// });
// if let Some(fut) = state.running_fut.take() {
// state.running.set(true);
// fut.resume();
// }
// let submit = unsafe { std::mem::transmute(submit) };
// state.submit.get_mut().replace(submit);
// let submit: Box<dyn FnOnce() + 'a> = Box::new(move || {
// let g = async move {
// running.set(true);
// create_future().await;
// running.set(false);
// };
// let p: Pin<Box<dyn Future<Output = ()>>> = Box::pin(g);
// fut_slot
// .borrow_mut()
// .replace(unsafe { std::mem::transmute(p) });
// });
// if state.running.get() {
// // let mut fut = state.fut.borrow_mut();
// // cx.push_task(|| fut.as_mut().unwrap().as_mut());
// } else {
// // make sure to drop the old future
// if let Some(fut) = state.fut.borrow_mut().take() {
// drop(fut);
// }
// }
CoroutineHandle { cx, inner: state }
},
)
// let submit = unsafe { std::mem::transmute(submit) };
// state.submit.get_mut().replace(submit);
// if state.running.get() {
// // let mut fut = state.fut.borrow_mut();
// // cx.push_task(|| fut.as_mut().unwrap().as_mut());
// } else {
// // make sure to drop the old future
// if let Some(fut) = state.fut.borrow_mut().take() {
// drop(fut);
// }
// }
CoroutineHandle { cx, inner: state }
}
struct State {
running: Rc<Cell<bool>>,
id: TaskId,
_id: TaskId,
// the way this is structure, you can toggle the coroutine without re-rendering the comppnent
// this means every render *generates* the future, which is a bit of a waste
// todo: allocate pending futures in the bump allocator and then have a true promotion