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Fixed panic in ActiveTimers.set_timeout_or_interval.

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This commit is contained in:
benshu 2015-10-24 11:27:59 +02:00
parent 354e75a447
commit a3859c0726
1 changed files with 10 additions and 4 deletions
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14
components/script/timers.rs
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@ -139,8 +139,6 @@ impl ActiveTimers {
is_interval: IsInterval,
source: TimerSource)
-> i32 {
assert!(self.suspended_since.get().is_none());
// step 3
let TimerHandle(new_handle) = self.next_timer_handle.get();
self.next_timer_handle.set(TimerHandle(new_handle + 1));
@ -283,7 +281,10 @@ impl ActiveTimers {
}
fn schedule_timer_call(&self) {
assert!(self.suspended_since.get().is_none());
if self.suspended_since.get().is_some() {
// The timer will be scheduled when the pipeline is thawed.
return;
}
let timers = self.timers.borrow();
@ -318,7 +319,12 @@ impl ActiveTimers {
}
fn base_time(&self) -> MsDuration {
precise_time_ms() - self.suspension_offset.get()
let offset = self.suspension_offset.get();
match self.suspended_since.get() {
Some(time) => time - offset,
None => precise_time_ms() - offset,
}
}
// see step 7 of https://html.spec.whatwg.org/multipage/#timer-initialisation-steps