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Implement unhandledrejection event

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This commit is contained in:
CYBAI 2018-05-07 20:36:18 +08:00
parent 8b28921136
commit 924a78c6c6
12 changed files with 342 additions and 20 deletions
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14
components/script/microtask.rs
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@ -15,6 +15,7 @@ use dom::htmlimageelement::ImageElementMicrotask;
use dom::htmlmediaelement::MediaElementMicrotask;
use dom::mutationobserver::MutationObserver;
use msg::constellation_msg::PipelineId;
use script_runtime::notify_about_rejected_promises;
use script_thread::ScriptThread;
use std::cell::Cell;
use std::mem;
@ -59,7 +60,7 @@ impl MicrotaskQueue {
/// <https://html.spec.whatwg.org/multipage/#perform-a-microtask-checkpoint>
/// Perform a microtask checkpoint, executing all queued microtasks until the queue is empty.
pub fn checkpoint<F>(&self, target_provider: F)
pub fn checkpoint<F>(&self, target_provider: F, globalscopes: Vec<DomRoot<GlobalScope>>)
where
F: Fn(PipelineId) -> Option<DomRoot<GlobalScope>>,
{
@ -70,7 +71,7 @@ impl MicrotaskQueue {
// Step 1
self.performing_a_microtask_checkpoint.set(true);
// Steps 2-7
// Steps 2
while !self.microtask_queue.borrow().is_empty() {
rooted_vec!(let mut pending_queue);
mem::swap(&mut *pending_queue, &mut *self.microtask_queue.borrow_mut());
@ -98,9 +99,14 @@ impl MicrotaskQueue {
}
}
//TODO: Step 8 - notify about rejected promises
// Step 3
for global in globalscopes.into_iter() {
notify_about_rejected_promises(&global);
}
// Step 9
// TODO: Step 4 - Cleanup Indexed Database transactions.
// Step 5
self.performing_a_microtask_checkpoint.set(false);
}
}