diff options
Diffstat (limited to 'dom/animation/Animation.cpp')
| -rw-r--r-- | dom/animation/Animation.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/dom/animation/Animation.cpp b/dom/animation/Animation.cpp index 242a0c6d6..bd318f79e 100644 --- a/dom/animation/Animation.cpp +++ b/dom/animation/Animation.cpp @@ -787,12 +787,21 @@ Animation::CancelNoUpdate() mHoldTime.SetNull(); mStartTime.SetNull(); - UpdateTiming(SeekFlag::NoSeek, SyncNotifyFlag::Async); - if (mTimeline) { mTimeline->RemoveAnimation(this); } MaybeQueueCancelEvent(activeTime); + + // When an animation is cancelled it no longer needs further ticks from the + // timeline. However, if we queued a cancel event and this was the last + // animation attached to the timeline, the timeline will stop observing the + // refresh driver and there may be no subsequent refresh driver tick for + // dispatching the queued event. + // + // By calling UpdateTiming *after* removing ourselves from our timeline, we + // ensure the timeline will register with the refresh driver for at least one + // more tick. + UpdateTiming(SeekFlag::NoSeek, SyncNotifyFlag::Async); } void |