// https://w3c.github.io/web-animations/#cancel-an-animation
void
Animation::DoCancel()
{
if (mPendingState != PendingState::NotPending) {
CancelPendingTasks();
if (mReady) {
mReady->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
}
}
if (mFinished) {
mFinished->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
}
ResetFinishedPromise();
DispatchPlaybackEvent(NS_LITERAL_STRING("cancel"));
mHoldTime.SetNull();
mStartTime.SetNull();
UpdateTiming(SeekFlag::NoSeek, SyncNotifyFlag::Async);
if (mTimeline) {
mTimeline->RemoveAnimation(this);
}
}
void
Animation::UpdateFinishedState(SeekFlag aSeekFlag,
SyncNotifyFlag aSyncNotifyFlag)
{
Nullable<TimeDuration> currentTime = GetCurrentTime();
TimeDuration effectEnd = TimeDuration(EffectEnd());
if (!mStartTime.IsNull() &&
mPendingState == PendingState::NotPending) {
if (mPlaybackRate > 0.0 &&
!currentTime.IsNull() &&
currentTime.Value() >= effectEnd) {
if (aSeekFlag == SeekFlag::DidSeek) {
mHoldTime = currentTime;
} else if (!mPreviousCurrentTime.IsNull()) {
mHoldTime.SetValue(std::max(mPreviousCurrentTime.Value(), effectEnd));
} else {
mHoldTime.SetValue(effectEnd);
}
} else if (mPlaybackRate < 0.0 &&
!currentTime.IsNull() &&
currentTime.Value().ToMilliseconds() <= 0.0) {
if (aSeekFlag == SeekFlag::DidSeek) {
mHoldTime = currentTime;
} else {
mHoldTime.SetValue(0);
}
} else if (mPlaybackRate != 0.0 &&
!currentTime.IsNull() &&
mTimeline &&
!mTimeline->GetCurrentTime().IsNull()) {
if (aSeekFlag == SeekFlag::DidSeek && !mHoldTime.IsNull()) {
mStartTime.SetValue(mTimeline->GetCurrentTime().Value() -
(mHoldTime.Value().MultDouble(1 / mPlaybackRate)));
}
mHoldTime.SetNull();
}
}
bool currentFinishedState = PlayState() == AnimationPlayState::Finished;
if (currentFinishedState && !mFinishedIsResolved) {
DoFinishNotification(aSyncNotifyFlag);
} else if (!currentFinishedState && mFinishedIsResolved) {
ResetFinishedPromise();
if (mEffect->AsTransition()) {
mEffect->SetIsFinishedTransition(false);
}
}
// We must recalculate the current time to take account of any mHoldTime
// changes the code above made.
mPreviousCurrentTime = GetCurrentTime();
}