//---------------------------------------------------
MObject DagHelper::createAnimationCurve ( const MObject& node, const char* attributeName, const char* curveType )
{
MFnDependencyNode fn ( node );
return createAnimationCurve ( fn.findPlug ( attributeName ), curveType );
}
void ScrollAnimator::updateCompositorAnimations() {
ScrollAnimatorCompositorCoordinator::updateCompositorAnimations();
if (m_runState == RunState::PostAnimationCleanup) {
postAnimationCleanupAndReset();
return;
}
if (m_runState == RunState::WaitingToCancelOnCompositor) {
DCHECK(m_compositorAnimationId);
abortAnimation();
postAnimationCleanupAndReset();
return;
}
if (m_runState == RunState::RunningOnCompositorButNeedsTakeover) {
// The call to ::takeOverCompositorAnimation aborted the animation and
// put us in this state. The assumption is that takeOver is called
// because a main thread scrolling reason is added, and simply trying
// to ::sendAnimationToCompositor will fail and we will run on the main
// thread.
resetAnimationIds();
m_runState = RunState::WaitingToSendToCompositor;
}
if (m_runState == RunState::RunningOnCompositorButNeedsUpdate ||
m_runState == RunState::WaitingToCancelOnCompositorButNewScroll ||
m_runState == RunState::RunningOnCompositorButNeedsAdjustment) {
// Abort the running animation before a new one with an updated
// target is added.
abortAnimation();
resetAnimationIds();
if (m_runState != RunState::RunningOnCompositorButNeedsAdjustment) {
// When in RunningOnCompositorButNeedsAdjustment, the call to
// ::adjustScrollOffsetAnimation should have made the necessary
// adjustment to the curve.
m_animationCurve->updateTarget(
m_timeFunction() - m_startTime,
compositorOffsetFromBlinkOffset(m_targetOffset));
}
if (m_runState == RunState::WaitingToCancelOnCompositorButNewScroll) {
m_animationCurve->setInitialValue(
compositorOffsetFromBlinkOffset(currentOffset()));
}
m_runState = RunState::WaitingToSendToCompositor;
}
if (m_runState == RunState::WaitingToSendToCompositor) {
if (!m_compositorAnimationAttachedToElementId)
reattachCompositorPlayerIfNeeded(
getScrollableArea()->compositorAnimationTimeline());
if (!m_animationCurve)
createAnimationCurve();
bool runningOnMainThread = false;
bool sentToCompositor = sendAnimationToCompositor();
if (!sentToCompositor) {
runningOnMainThread = registerAndScheduleAnimation();
if (runningOnMainThread)
m_runState = RunState::RunningOnMainThread;
}
// Main thread should deal with the scroll animations it started.
if (sentToCompositor || runningOnMainThread)
addMainThreadScrollingReason();
else
removeMainThreadScrollingReason();
}
}
