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@@ -7,21 +7,14 @@ use dioxus_signals::*;
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use futures_util::{future, pin_mut, FutureExt};
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use std::{any::Any, cell::Cell, future::Future, pin::Pin, rc::Rc, sync::Arc, task::Poll};
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-/// A future that resolves to a value.
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+/// A hook that allows you to spawn a future
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///
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-/// This runs the future only once - though the future may be regenerated
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-/// through the [`UseFuture::restart`] method.
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-///
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-/// This is commonly used for components that cannot be rendered until some
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-/// asynchronous operation has completed.
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-///
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-///
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-pub fn use_future<T, F>(mut future: impl FnMut() -> F) -> UseFuture<T>
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+/// Does not regenerate the future when dependencies change. If you're looking for a future that does, check out
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+/// `use_resource` instead.
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+pub fn use_future<F>(mut future: impl FnMut() -> F) -> UseFuture
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where
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- T: 'static,
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- F: Future<Output = T> + 'static,
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+ F: Future + 'static,
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{
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- let mut value = use_signal(|| None);
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let mut state = use_signal(|| UseFutureState::Pending);
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let task = use_signal(|| {
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@@ -47,22 +40,21 @@ where
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.await;
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// Set the value
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- value.set(Some(res));
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+ // value.set(Some(res));
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});
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Some(task)
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});
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- UseFuture { task, value, state }
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+ UseFuture { task, state }
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}
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-pub struct UseFuture<T: 'static> {
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- value: Signal<Option<T>>,
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+pub struct UseFuture {
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task: Signal<Option<Task>>,
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- state: Signal<UseFutureState<T>>,
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+ state: Signal<UseFutureState>,
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}
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-impl<T> UseFuture<T> {
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+impl UseFuture {
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/// Restart the future with new dependencies.
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///
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/// Will not cancel the previous future, but will ignore any values that it
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@@ -79,18 +71,6 @@ impl<T> UseFuture<T> {
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// }
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}
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- // Manually set the value in the future slot without starting the future over
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- pub fn set(&mut self, new_value: T) {
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- self.value.set(Some(new_value));
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- }
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-
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- /// Return any value, even old values if the future has not yet resolved.
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- ///
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- /// If the future has never completed, the returned value will be `None`.
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- pub fn value(&self) -> Signal<Option<T>> {
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- self.value
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- }
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-
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/// Get the ID of the future in Dioxus' internal scheduler
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pub fn task(&self) -> Option<Task> {
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todo!()
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@@ -98,7 +78,7 @@ impl<T> UseFuture<T> {
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}
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/// Get the current state of the future.
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- pub fn state(&self) -> UseFutureState<T> {
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+ pub fn state(&self) -> UseFutureState {
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todo!()
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// match (&self.task.get(), &self.value()) {
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// // If we have a task and an existing value, we're reloading
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@@ -116,8 +96,8 @@ impl<T> UseFuture<T> {
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}
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}
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-pub enum UseFutureState<T: 'static> {
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+pub enum UseFutureState {
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Pending,
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- Complete(Signal<T>),
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- Regenerating(Signal<T>), // the old value
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+ Complete,
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+ Regenerating, // the old value
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}
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