int QSequentialAnimationGroupPrivate::animationActualTotalDuration(int index) const
{
QAbstractAnimation *anim = animations.at(index);
int ret = anim->totalDuration();
if (ret == -1 && actualDuration.size() > index)
ret = actualDuration.at(index); //we can try the actual duration there
return ret;
}
/*!
\reimp
*/
void QParallelAnimationGroup::updateCurrentTime(int currentTime)
{
Q_D(QParallelAnimationGroup);
if (d->animations.isEmpty())
return;
if (d->currentLoop > d->lastLoop) {
// simulate completion of the loop
int dura = duration();
if (dura > 0) {
for (int i = 0; i < d->animations.size(); ++i) {
QAbstractAnimation *animation = d->animations.at(i);
if (animation->state() != QAbstractAnimation::Stopped)
d->animations.at(i)->setCurrentTime(dura); // will stop
}
}
} else if (d->currentLoop < d->lastLoop) {
// simulate completion of the loop seeking backwards
for (int i = 0; i < d->animations.size(); ++i) {
QAbstractAnimation *animation = d->animations.at(i);
//we need to make sure the animation is in the right state
//and then rewind it
d->applyGroupState(animation);
animation->setCurrentTime(0);
animation->stop();
}
}
#ifdef QANIMATION_DEBUG
qDebug("QParallellAnimationGroup %5d: setCurrentTime(%d), loop:%d, last:%d, timeFwd:%d, lastcurrent:%d, %d",
__LINE__, d->currentTime, d->currentLoop, d->lastLoop, timeFwd, d->lastCurrentTime, state());
#endif
// finally move into the actual time of the current loop
for (int i = 0; i < d->animations.size(); ++i) {
QAbstractAnimation *animation = d->animations.at(i);
const int dura = animation->totalDuration();
//if the loopcount is bigger we should always start all animations
if (d->currentLoop > d->lastLoop
//if we're at the end of the animation, we need to start it if it wasn't already started in this loop
//this happens in Backward direction where not all animations are started at the same time
|| d->shouldAnimationStart(animation, d->lastCurrentTime > dura /*startIfAtEnd*/)) {
d->applyGroupState(animation);
}
if (animation->state() == state()) {
animation->setCurrentTime(currentTime);
if (dura > 0 && currentTime > dura)
animation->stop();
}
}
d->lastLoop = d->currentLoop;
d->lastCurrentTime = currentTime;
}
/*!
\reimp
*/
int QSequentialAnimationGroup::duration() const
{
Q_D(const QSequentialAnimationGroup);
int ret = 0;
for (int i = 0; i < d->animations.size(); ++i) {
QAbstractAnimation *animation = d->animations.at(i);
const int currentDuration = animation->totalDuration();
if (currentDuration == -1)
return -1; // Undetermined length
ret += currentDuration;
}
return ret;
}