void AnimationTimeline::serviceAnimations(TimingUpdateReason reason)
{
TRACE_EVENT0("blink", "AnimationTimeline::serviceAnimations");
m_timing->cancelWake();
double timeToNextEffect = std::numeric_limits<double>::infinity();
Vector<RawPtr<AnimationPlayer> > players;
players.reserveInitialCapacity(m_playersNeedingUpdate.size());
for (HashSet<RefPtr<AnimationPlayer> >::iterator it = m_playersNeedingUpdate.begin(); it != m_playersNeedingUpdate.end(); ++it)
players.append(it->get());
std::sort(players.begin(), players.end(), AnimationPlayer::hasLowerPriority);
for (size_t i = 0; i < players.size(); ++i) {
AnimationPlayer* player = players[i];
if (player->update(reason))
timeToNextEffect = std::min(timeToNextEffect, player->timeToEffectChange());
else
m_playersNeedingUpdate.remove(player);
}
if (timeToNextEffect < s_minimumDelay)
m_timing->serviceOnNextFrame();
else if (timeToNextEffect != std::numeric_limits<double>::infinity())
m_timing->wakeAfter(timeToNextEffect - s_minimumDelay);
ASSERT(!hasOutdatedAnimationPlayer());
}
