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Properly root the running animation list in a RootedVec

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This commit is contained in:
Anthony Ramine 2016-12-12 10:29:35 -10:00
parent 1327ebd52f
commit 26ab0f82a8
3 changed files with 29 additions and 11 deletions
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9
components/script/dom/document.rs
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@ -1521,8 +1521,11 @@ impl Document {
/// https://html.spec.whatwg.org/multipage/#run-the-animation-frame-callbacks
pub fn run_the_animation_frame_callbacks(&self) {
let mut animation_frame_list =
mem::replace(&mut *self.animation_frame_list.borrow_mut(), vec![]);
rooted_vec!(let mut animation_frame_list);
mem::swap(
&mut *animation_frame_list,
&mut *self.animation_frame_list.borrow_mut());
self.running_animation_callbacks.set(true);
let timing = self.window.Performance().Now();
@ -1538,7 +1541,7 @@ impl Document {
// message quickly followed by an AnimationCallbacksPresent message.
if self.animation_frame_list.borrow().is_empty() {
mem::swap(&mut *self.animation_frame_list.borrow_mut(),
&mut animation_frame_list);
&mut *animation_frame_list);
let global_scope = self.window.upcast::<GlobalScope>();
let event = ConstellationMsg::ChangeRunningAnimationsState(global_scope.pipeline_id(),
AnimationState::NoAnimationCallbacksPresent);