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wip: basic support for scheduled rendering

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Jonathan Kelley committed 2021-07-14 18:19:51 -04:00
1 parent 80e6c25698
commit c52af221f7
8 files changed
+93 -80
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packages/web/src/lib.rs
+43 -39
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@@ -72,53 +72,57 @@ impl WebsysRenderer {
websys_dom.stack.push(root_node.clone());
websys_dom.stack.push(root_node);
self.internal_dom.rebuild(&mut websys_dom)?;
let mut edits = Vec::new();
self.internal_dom.rebuild(&mut websys_dom, &mut edits)?;
websys_dom.process_edits(&mut edits);
log::info!("Going into event loop");
// loop {
let trigger = {
let real_queue = websys_dom.wait_for_event();
if self.internal_dom.tasks.is_empty() {
log::info!("tasks is empty, waiting for dom event to trigger soemthing");
real_queue.await
} else {
log::info!("tasks is not empty, waiting for either tasks or event system");
let task_queue = (&mut self.internal_dom.tasks).next();
loop {
let trigger = {
let real_queue = websys_dom.wait_for_event();
if self.internal_dom.tasks.is_empty() {
log::info!("tasks is empty, waiting for dom event to trigger soemthing");
real_queue.await
} else {
log::info!("tasks is not empty, waiting for either tasks or event system");
let task_queue = (&mut self.internal_dom.tasks).next();
pin_mut!(real_queue);
pin_mut!(task_queue);
pin_mut!(real_queue);
pin_mut!(task_queue);
match futures_util::future::select(real_queue, task_queue).await {
futures_util::future::Either::Left((trigger, _)) => trigger,
futures_util::future::Either::Right((trigger, _)) => trigger,
match futures_util::future::select(real_queue, task_queue).await {
futures_util::future::Either::Left((trigger, _)) => trigger,
futures_util::future::Either::Right((trigger, _)) => trigger,
}
}
};
if let Some(real_trigger) = trigger {
log::info!("event received");
// let root_node = body_element.first_child().unwrap();
// websys_dom.stack.push(root_node.clone());
self.internal_dom.queue_event(real_trigger)?;
let mut edits = Vec::new();
self.internal_dom
.progress_with_event(&mut websys_dom, &mut edits)
.await?;
websys_dom.process_edits(&mut edits);
}
};
if let Some(real_trigger) = trigger {
log::info!("event received");
// let root_node = body_element.first_child().unwrap();
// websys_dom.stack.push(root_node.clone());
self.internal_dom.queue_event(real_trigger)?;
self.internal_dom
.progress_with_event(&mut websys_dom)
.await?;
// let t2 = self.internal_dom.tasks.next();
// futures::select! {
// trigger = t1 => {
// log::info!("event received");
// let root_node = body_element.first_child().unwrap();
// websys_dom.stack.push(root_node.clone());
// self.internal_dom
// .progress_with_event(&mut websys_dom, trigger)?;
// },
// () = t2 => {}
// };
}
// let t2 = self.internal_dom.tasks.next();
// futures::select! {
// trigger = t1 => {
// log::info!("event received");
// let root_node = body_element.first_child().unwrap();
// websys_dom.stack.push(root_node.clone());
// self.internal_dom
// .progress_with_event(&mut websys_dom, trigger)?;
// },
// () = t2 => {}
// };
// }
// while let Some(trigger) = websys_dom.wait_for_event().await {
// }