void KeyframeAnimation::animate(CompositeAnimation*, RenderObject*, const RenderStyle*, RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle)
{
// Fire the start timeout if needed
fireAnimationEventsIfNeeded();
// If we have not yet started, we will not have a valid start time, so just start the animation if needed.
if (isNew() && m_animation->playState() == AnimPlayStatePlaying)
updateStateMachine(AnimationStateInputStartAnimation, -1);
// If we get this far and the animation is done, it means we are cleaning up a just finished animation.
// If so, we need to send back the targetStyle.
if (postActive()) {
if (!animatedStyle)
animatedStyle = const_cast<RenderStyle*>(targetStyle);
return;
}
// If we are waiting for the start timer, we don't want to change the style yet.
// Special case 1 - if the delay time is 0, then we do want to set the first frame of the
// animation right away. This avoids a flash when the animation starts.
// Special case 2 - if there is a backwards fill mode, then we want to continue
// through to the style blend so that we get the fromStyle.
if (waitingToStart() && m_animation->delay() > 0 && !m_animation->fillsBackwards())
return;
// FIXME: we need to be more efficient about determining which keyframes we are animating between.
// We should cache the last pair or something.
// Get the from/to styles and progress between
const RenderStyle* fromStyle = 0;
const RenderStyle* toStyle = 0;
double progress;
getKeyframeAnimationInterval(fromStyle, toStyle, progress);
// If either style is 0 we have an invalid case, just stop the animation.
if (!fromStyle || !toStyle) {
updateStateMachine(AnimationStateInputEndAnimation, -1);
return;
}
// Run a cycle of animation.
// We know we will need a new render style, so make one if needed.
if (!animatedStyle)
animatedStyle = RenderStyle::clone(targetStyle);
HashSet<int>::const_iterator endProperties = m_keyframes.endProperties();
for (HashSet<int>::const_iterator it = m_keyframes.beginProperties(); it != endProperties; ++it) {
bool needsAnim = blendProperties(this, *it, animatedStyle.get(), fromStyle, toStyle, progress);
if (needsAnim)
setAnimating();
else {
#if USE(ACCELERATED_COMPOSITING)
// If we are running an accelerated animation, set a flag in the style
// to indicate it. This can be used to make sure we get an updated
// style for hit testing, etc.
animatedStyle->setIsRunningAcceleratedAnimation();
#endif
}
}
}
void KeyframeAnimation::getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle)
{
// If we're in the delay phase and we're not backwards filling, tell the caller
// to use the current style.
if (waitingToStart() && m_animation->delay() > 0 && !m_animation->fillsBackwards())
return;
if (!m_keyframes.size())
return;
if (!animatedStyle)
animatedStyle = RenderStyle::clone(m_object->style());
HashSet<int>::const_iterator endProperties = m_keyframes.endProperties();
for (HashSet<int>::const_iterator it = m_keyframes.beginProperties(); it != endProperties; ++it) {
int property = *it;
// Get the from/to styles and progress between
const RenderStyle* fromStyle = 0;
const RenderStyle* toStyle = 0;
double progress;
fetchIntervalEndpointsForProperty(property, fromStyle, toStyle, progress);
blendProperties(this, property, animatedStyle.get(), fromStyle, toStyle, progress);
}
}
void ImplicitAnimation::animate(CompositeAnimation*, RenderObject*, const RenderStyle*, RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle)
{
// If we get this far and the animation is done, it means we are cleaning up a just finished animation.
// So just return. Everything is already all cleaned up.
if (postActive())
return;
// Reset to start the transition if we are new
if (isNew())
reset(targetStyle);
// Run a cycle of animation.
// We know we will need a new render style, so make one if needed
if (!animatedStyle)
animatedStyle = RenderStyle::clone(targetStyle);
bool needsAnim = blendProperties(this, m_animatingProperty, animatedStyle.get(), m_fromStyle.get(), m_toStyle.get(), progress(1, 0, 0));
// FIXME: we also need to detect cases where we have to software animate for other reasons,
// such as a child using inheriting the transform. https://bugs.webkit.org/show_bug.cgi?id=23902
if (needsAnim)
setAnimating();
else {
#if USE(ACCELERATED_COMPOSITING)
// If we are running an accelerated animation, set a flag in the style which causes the style
// to compare as different to any other style. This ensures that changes to the property
// that is animating are correctly detected during the animation (e.g. when a transition
// gets interrupted).
animatedStyle->setIsRunningAcceleratedAnimation();
#endif
}
// Fire the start timeout if needed
fireAnimationEventsIfNeeded();
}
void ImplicitAnimation::getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle)
{
if (!animatedStyle)
animatedStyle = RenderStyle::clone(m_toStyle.get());
blendProperties(this, m_animatingProperty, animatedStyle.get(), m_fromStyle.get(), m_toStyle.get(), progress(1, 0, 0));
}
void ImplicitAnimation::blendPropertyValueInStyle(int prop, RenderStyle* currentStyle)
{
// We should never add a transition with a 0 duration and delay. But if we ever did
// it would have a null toStyle. So just in case, let's check that here. (See
// <https://bugs.webkit.org/show_bug.cgi?id=24787>
if (!m_toStyle)
return;
blendProperties(this, prop, currentStyle, m_fromStyle.get(), m_toStyle.get(), progress(1, 0, 0));
}
void KeyframeAnimation::getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle)
{
// Get the from/to styles and progress between
const RenderStyle* fromStyle = 0;
const RenderStyle* toStyle = 0;
double progress;
getKeyframeAnimationInterval(fromStyle, toStyle, progress);
// If either style is 0 we have an invalid case
if (!fromStyle || !toStyle)
return;
if (!animatedStyle)
animatedStyle = RenderStyle::clone(m_object->style());
HashSet<int>::const_iterator endProperties = m_keyframes.endProperties();
for (HashSet<int>::const_iterator it = m_keyframes.beginProperties(); it != endProperties; ++it)
blendProperties(this, *it, animatedStyle.get(), fromStyle, toStyle, progress);
}
void ImplicitAnimation::animate(CompositeAnimation*, RenderObject*, RenderStyle*, RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle)
{
// If we get this far and the animation is done, it means we are cleaning up a just finished animation.
// So just return. Everything is already all cleaned up.
if (postActive())
return;
// Reset to start the transition if we are new
if (isNew())
reset(targetStyle);
// Run a cycle of animation.
// We know we will need a new render style, so make one if needed
if (!animatedStyle)
animatedStyle = RenderStyle::clone(targetStyle);
if (blendProperties(this, m_animatingProperty, animatedStyle.get(), m_fromStyle.get(), m_toStyle.get(), progress(1, 0, 0)))
setAnimating();
// Fire the start timeout if needed
fireAnimationEventsIfNeeded();
}
void KeyframeAnimation::getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle)
{
// If we're in the delay phase and we're not backwards filling, tell the caller
// to use the current style.
if (waitingToStart() && m_animation->delay() > 0 && !m_animation->fillsBackwards())
return;
// Get the from/to styles and progress between
const RenderStyle* fromStyle = 0;
const RenderStyle* toStyle = 0;
double progress;
getKeyframeAnimationInterval(fromStyle, toStyle, progress);
// If either style is 0 we have an invalid case
if (!fromStyle || !toStyle)
return;
if (!animatedStyle)
animatedStyle = RenderStyle::clone(m_object->style());
HashSet<int>::const_iterator endProperties = m_keyframes.endProperties();
for (HashSet<int>::const_iterator it = m_keyframes.beginProperties(); it != endProperties; ++it)
blendProperties(this, *it, animatedStyle.get(), fromStyle, toStyle, progress);
}
void ImplicitAnimation::blendPropertyValueInStyle(int prop, RenderStyle* currentStyle)
{
blendProperties(this, prop, currentStyle, m_fromStyle.get(), m_toStyle.get(), progress(1, 0, 0));
}
void KeyframeAnimation::animate(CompositeAnimation* animation, RenderObject* renderer, const RenderStyle* currentStyle,
const RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle)
{
// If we have not yet started, we will not have a valid start time, so just start the animation if needed.
if (isNew() && m_animation->playState() == AnimPlayStatePlaying)
updateStateMachine(AnimationStateInputStartAnimation, -1);
// If we get this far and the animation is done, it means we are cleaning up a just finished animation.
// If so, we need to send back the targetStyle.
if (postActive()) {
if (!animatedStyle)
animatedStyle = const_cast<RenderStyle*>(targetStyle);
return;
}
// If we are waiting for the start timer, we don't want to change the style yet.
// Special case - if the delay time is 0, then we do want to set the first frame of the
// animation right away. This avoids a flash when the animation starts.
if (waitingToStart() && m_animation->delay() > 0)
return;
// FIXME: we need to be more efficient about determining which keyframes we are animating between.
// We should cache the last pair or something.
// Find the first key
double elapsedTime = (m_startTime > 0) ? ((!paused() ? currentTime() : m_pauseTime) - m_startTime) : 0;
if (elapsedTime < 0)
elapsedTime = 0;
double t = m_animation->duration() ? (elapsedTime / m_animation->duration()) : 1;
int i = static_cast<int>(t);
t -= i;
if (m_animation->direction() && (i & 1))
t = 1 - t;
const RenderStyle* fromStyle = 0;
const RenderStyle* toStyle = 0;
double scale = 1;
double offset = 0;
Vector<KeyframeValue>::const_iterator endKeyframes = m_keyframes.endKeyframes();
for (Vector<KeyframeValue>::const_iterator it = m_keyframes.beginKeyframes(); it != endKeyframes; ++it) {
if (t < it->key()) {
// The first key should always be 0, so we should never succeed on the first key
if (!fromStyle)
break;
scale = 1.0 / (it->key() - offset);
toStyle = it->style();
break;
}
offset = it->key();
fromStyle = it->style();
}
// If either style is 0 we have an invalid case, just stop the animation.
if (!fromStyle || !toStyle) {
updateStateMachine(AnimationStateInputEndAnimation, -1);
return;
}
// Run a cycle of animation.
// We know we will need a new render style, so make one if needed.
if (!animatedStyle)
animatedStyle = RenderStyle::clone(targetStyle);
const TimingFunction* timingFunction = 0;
if (fromStyle->animations() && fromStyle->animations()->size() > 0)
timingFunction = &(fromStyle->animations()->animation(0)->timingFunction());
double prog = progress(scale, offset, timingFunction);
HashSet<int>::const_iterator endProperties = m_keyframes.endProperties();
for (HashSet<int>::const_iterator it = m_keyframes.beginProperties(); it != endProperties; ++it) {
if (blendProperties(this, *it, animatedStyle.get(), fromStyle, toStyle, prog))
setAnimating();
}
}
