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Bug 1109390 part 14 - Update AnimationPlayer::DoPlay to re-use the ready promise appropriately; r=jwatt

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This commit is contained in:
Brian Birtles 2015-03-27 15:56:45 +09:00
parent 6f6b445e26
commit 9343eb6087
1 changed files with 11 additions and 3 deletions
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14
dom/animation/AnimationPlayer.cpp
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@ -425,6 +425,12 @@ AnimationPlayer::DoPlay()
// need to pass a flag so that when we start playing due to a change in
// animation-play-state we *don't* trigger finishing behavior.
bool reuseReadyPromise = false;
if (mPendingState != PendingState::NotPending) {
CancelPendingTasks();
reuseReadyPromise = true;
}
Nullable<TimeDuration> currentTime = GetCurrentTime();
if (mPlaybackRate > 0.0 &&
(currentTime.IsNull())) {
@ -440,12 +446,14 @@ AnimationPlayer::DoPlay()
return;
}
// Clear ready promise. We'll create a new one lazily.
mReady = nullptr;
// Clear the start time until we resolve a new one
mStartTime.SetNull();
if (!reuseReadyPromise) {
// Clear ready promise. We'll create a new one lazily.
mReady = nullptr;
}
mPendingState = PendingState::PlayPending;
nsIDocument* doc = GetRenderedDocument();