void GfxImageLoaderEngine::run()
{
lock.lock();
while(true) {
if(ops.isEmpty()) {
wait.wait(&lock);
} else {
Op op = *ops.begin();
lock.unlock();
runOp(op);
lock.lock();
}
}
}
int QDeclarativeTimeLinePrivate::advance(int t)
{
int pauseTime = -1;
// XXX - surely there is a more efficient way?
do {
pauseTime = -1;
// Minimal advance time
int advanceTime = t;
for (Ops::Iterator iter = ops.begin(); iter != ops.end(); ++iter) {
TimeLine &tl = *iter;
Op &op = tl.ops.first();
int length = op.length - tl.consumedOpLength;
if (length < advanceTime) {
advanceTime = length;
if (advanceTime == 0)
break;
}
}
t -= advanceTime;
// Process until then. A zero length advance time will only process
// sets.
QList<QPair<int, Update> > updates;
for (Ops::Iterator iter = ops.begin(); iter != ops.end(); ) {
QDeclarativeTimeLineValue *v = static_cast<QDeclarativeTimeLineValue *>(iter.key());
TimeLine &tl = *iter;
Q_ASSERT(!tl.ops.isEmpty());
do {
Op &op = tl.ops.first();
if (advanceTime == 0 && op.length != 0)
continue;
if (tl.consumedOpLength == 0 &&
op.type != Op::Pause &&
op.type != Op::Execute)
tl.base = v->value();
if ((tl.consumedOpLength + advanceTime) == op.length) {
if (op.type == Op::Execute) {
updates << qMakePair(op.order, Update(op.event));
} else {
bool changed = false;
qreal val = value(op, op.length, tl.base, &changed);
if (changed)
updates << qMakePair(op.order, Update(v, val));
}
tl.length -= qMin(advanceTime, tl.length);
tl.consumedOpLength = 0;
tl.ops.removeFirst();
} else {
tl.consumedOpLength += advanceTime;
bool changed = false;
qreal val = value(op, tl.consumedOpLength, tl.base, &changed);
if (changed)
updates << qMakePair(op.order, Update(v, val));
tl.length -= qMin(advanceTime, tl.length);
break;
}
} while(!tl.ops.isEmpty() && advanceTime == 0 && tl.ops.first().length == 0);
if (tl.ops.isEmpty()) {
iter = ops.erase(iter);
v->_t = 0;
} else {
if (tl.ops.first().type == Op::Pause && pauseTime != 0) {
int opPauseTime = tl.ops.first().length - tl.consumedOpLength;
if (pauseTime == -1 || opPauseTime < pauseTime)
pauseTime = opPauseTime;
} else {
pauseTime = 0;
}
++iter;
}
}
length -= qMin(length, advanceTime);
syncPoint -= advanceTime;
qSort(updates.begin(), updates.end());
updateQueue = &updates;
for (int ii = 0; ii < updates.count(); ++ii) {
const Update &v = updates.at(ii).second;
if (v.g) {
v.g->setValue(v.v);
} else {
v.e.d0(v.e.d1);
}
}
updateQueue = 0;
} while(t);
return pauseTime;
}