implement use_async_memo with reactive context

This commit is contained in:
Jonathan Kelley committed 2024-02-01 13:21:53 -08:00
1 parent 7c2947a131
commit dd06705ff1
7 files changed
+68 -58

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+1 -1
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@@ -156,7 +156,7 @@ impl Effect {
/// Create a new effect. The effect will be run immediately and whenever any signal it reads changes.
///
/// The signal will be owned by the current component and will be dropped when the component is dropped.
pub fn new(mut callback: impl FnMut() + 'static) -> Self {
fn new(mut callback: impl FnMut() + 'static) -> Self {
let source = current_scope_id().expect("in a virtual dom");
let myself = Self {
source,
+2 -2
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@@ -19,8 +19,8 @@ pub use read_only_signal::*;
mod map;
pub use map::*;
mod comparer;
pub use comparer::*;
// mod comparer;
// pub use comparer::*;
mod global;
pub use global::*;
+12 -22
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@@ -5,7 +5,6 @@ use dioxus_core::prelude::{
use generational_box::{GenerationalBoxId, SyncStorage};
use rustc_hash::{FxHashMap, FxHashSet};
use std::{cell::RefCell, hash::Hash};
use tokio::signal;
use crate::{CopyValue, RcList, Readable, Writable};
@@ -37,17 +36,17 @@ impl ReactiveContext {
signal_subscribers: FxHashMap::default(),
scope_subscribers,
sender: tx,
_self: None,
self_: None,
receiver: rx,
};
let mut _self = Self {
let mut self_ = Self {
inner: CopyValue::new_maybe_sync(inner),
};
_self.inner.write()._self = Some(_self);
self_.inner.write().self_ = Some(self_);
_self
self_
}
/// Get the current reactive context
@@ -60,24 +59,16 @@ impl ReactiveContext {
// If we're already inside a reactive context, then return that
if let Some(cur) = cur {
println!("Already found context!");
return Some(cur);
}
// Try and get the context out of the current scope
let scope = current_scope_id().unwrap();
// If we're rendering, then try and use the reactive context attached to this component
if let Some(cx) = has_context() {
println!("found context at {scope:?}");
return Some(cx);
}
println!("creating new context at {scope:?}");
// Otherwise, create a new context at the current scope
Some(provide_context(ReactiveContext::new(Some(scope))))
Some(provide_context(ReactiveContext::new(current_scope_id())))
}
/// Run this function in the context of this reactive context
@@ -96,7 +87,6 @@ impl ReactiveContext {
/// If there's a scope associated with this context, then it will be marked as dirty too
pub fn mark_dirty(&self) {
for scope in self.inner.read().scope_subscribers.iter() {
println!("marking dirty {scope:?}");
needs_update_any(*scope);
}
@@ -105,8 +95,8 @@ impl ReactiveContext {
_ = self.inner.read().sender.try_send(());
}
// Create a two-way binding between this reactive context and a signal
pub fn link(&self, signal: GenerationalBoxId, rc_list: RcList) {
/// Create a two-way binding between this reactive context and a signal
pub fn link(&mut self, signal: GenerationalBoxId, rc_list: RcList) {
rc_list.write().insert(*self);
self.inner
.write()
@@ -132,11 +122,11 @@ impl Hash for ReactiveContext {
}
}
pub struct Inner {
struct Inner {
// Set of signals bound to this context
pub signal_subscribers: FxHashMap<GenerationalBoxId, RcList>,
signal_subscribers: FxHashMap<GenerationalBoxId, RcList>,
scope_subscribers: FxHashSet<ScopeId>,
_self: Option<ReactiveContext>,
self_: Option<ReactiveContext>,
// Futures will call .changed().await
sender: flume::Sender<()>,
@@ -144,10 +134,10 @@ pub struct Inner {
}
impl Drop for Inner {
// Remove this context from all the subscribers
fn drop(&mut self) {
// Remove this context from all the subscribers
self.signal_subscribers.values().for_each(|sub_list| {
sub_list.write().remove(&self._self.unwrap());
sub_list.write().remove(&self.self_.unwrap());
});
}
}