void AnimationBase::fireAnimationEventsIfNeeded()
{
if (!m_compAnim)
return;
// If we are waiting for the delay time to expire and it has, go to the next state
if (m_animState != AnimationStateStartWaitTimer && m_animState != AnimationStateLooping && m_animState != AnimationStateEnding)
return;
// We have to make sure to keep a ref to the this pointer, because it could get destroyed
// during an animation callback that might get called. Since the owner is a CompositeAnimation
// and it ref counts this object, we will keep a ref to that instead. That way the AnimationBase
// can still access the resources of its CompositeAnimation as needed.
Ref<AnimationBase> protect(*this);
Ref<CompositeAnimation> protectCompositeAnimation(*m_compAnim);
// Check for start timeout
if (m_animState == AnimationStateStartWaitTimer) {
if (beginAnimationUpdateTime() - m_requestedStartTime >= m_animation->delay())
updateStateMachine(AnimationStateInputStartTimerFired, 0);
return;
}
double elapsedDuration = beginAnimationUpdateTime() - m_startTime;
// FIXME: we need to ensure that elapsedDuration is never < 0. If it is, this suggests that
// we had a recalcStyle() outside of beginAnimationUpdate()/endAnimationUpdate().
// Also check in getTimeToNextEvent().
elapsedDuration = max(elapsedDuration, 0.0);
// Check for end timeout
if (m_totalDuration >= 0 && elapsedDuration >= m_totalDuration) {
// We may still be in AnimationStateLooping if we've managed to skip a
// whole iteration, in which case we should jump to the end state.
LOG(Animations, "%p AnimationState %s -> Ending", this, nameForState(m_animState));
m_animState = AnimationStateEnding;
// Fire an end event
updateStateMachine(AnimationStateInputEndTimerFired, m_totalDuration);
} else {
// Check for iteration timeout
if (m_nextIterationDuration < 0) {
// Hasn't been set yet, set it
double durationLeft = m_animation->duration() - fmod(elapsedDuration, m_animation->duration());
m_nextIterationDuration = elapsedDuration + durationLeft;
}
if (elapsedDuration >= m_nextIterationDuration) {
// Set to the next iteration
double previous = m_nextIterationDuration;
double durationLeft = m_animation->duration() - fmod(elapsedDuration, m_animation->duration());
m_nextIterationDuration = elapsedDuration + durationLeft;
// Send the event
updateStateMachine(AnimationStateInputLoopTimerFired, previous);
}
}
}
void AnimationBase::fireAnimationEventsIfNeeded()
{
if (!m_compositeAnimation)
return;
// If we are waiting for the delay time to expire and it has, go to the next state
if (m_animationState != AnimationState::StartWaitTimer && m_animationState != AnimationState::Looping && m_animationState != AnimationState::Ending)
return;
// We have to make sure to keep a ref to the this pointer, because it could get destroyed
// during an animation callback that might get called. Since the owner is a CompositeAnimation
// and it ref counts this object, we will keep a ref to that instead. That way the AnimationBase
// can still access the resources of its CompositeAnimation as needed.
Ref<AnimationBase> protect(*this);
Ref<CompositeAnimation> protectCompositeAnimation(*m_compositeAnimation);
// Check for start timeout
if (m_animationState == AnimationState::StartWaitTimer) {
#if ENABLE(CSS_ANIMATIONS_LEVEL_2)
if (m_animation->trigger() && m_animation->trigger()->isScrollAnimationTrigger()) {
if (m_object) {
float offset = m_compositeAnimation->animationController().scrollPosition();
ScrollAnimationTrigger& scrollTrigger = downcast<ScrollAnimationTrigger>(*m_animation->trigger().get());
if (offset > scrollTrigger.startValue().value())
updateStateMachine(AnimationStateInput::StartTimerFired, 0);
}
return;
}
#endif
if (beginAnimationUpdateTime() - m_requestedStartTime >= m_animation->delay())
updateStateMachine(AnimationStateInput::StartTimerFired, 0);
return;
}
double elapsedDuration = beginAnimationUpdateTime() - m_startTime;
#if ENABLE(CSS_ANIMATIONS_LEVEL_2)
// If we are a triggered animation that depends on scroll, our elapsed
// time is determined by the scroll position.
if (m_animation->trigger() && m_animation->trigger()->isScrollAnimationTrigger())
elapsedDuration = getElapsedTime();
#endif
// FIXME: we need to ensure that elapsedDuration is never < 0. If it is, this suggests that
// we had a recalcStyle() outside of beginAnimationUpdate()/endAnimationUpdate().
// Also check in getTimeToNextEvent().
elapsedDuration = std::max(elapsedDuration, 0.0);
// Check for end timeout
if (m_totalDuration >= 0 && elapsedDuration >= m_totalDuration) {
// We may still be in AnimationState::Looping if we've managed to skip a
// whole iteration, in which case we should jump to the end state.
LOG(Animations, "%p AnimationState %s -> Ending", this, nameForState(m_animationState));
m_animationState = AnimationState::Ending;
// Fire an end event
updateStateMachine(AnimationStateInput::EndTimerFired, m_totalDuration);
} else {
// Check for iteration timeout
if (m_nextIterationDuration < 0) {
// Hasn't been set yet, set it
double durationLeft = m_animation->duration() - fmod(elapsedDuration, m_animation->duration());
m_nextIterationDuration = elapsedDuration + durationLeft;
}
if (elapsedDuration >= m_nextIterationDuration) {
// Set to the next iteration
double previous = m_nextIterationDuration;
double durationLeft = m_animation->duration() - fmod(elapsedDuration, m_animation->duration());
m_nextIterationDuration = elapsedDuration + durationLeft;
// Send the event
updateStateMachine(AnimationStateInput::LoopTimerFired, previous);
}
}
}