void
TaskThrottler::PostTask(const tracked_objects::Location& aLocation,
UniquePtr<CancelableTask> aTask, const TimeStamp& aTimeStamp)
{
MonitorAutoLock lock(mMonitor);
TASK_LOG("%p got a task posted; mOutstanding=%d\n", this, mOutstanding);
aTask->SetBirthPlace(aLocation);
if (mOutstanding) {
CancelPendingTask(lock);
if (TimeSinceLastRequest(aTimeStamp, lock) < mMaxWait) {
mQueuedTask = Move(aTask);
TASK_LOG("%p queued task %p\n", this, mQueuedTask.get());
// Make sure the queued task is sent after mMaxWait time elapses,
// even if we don't get a TaskComplete() until then.
TimeDuration timeout = mMaxWait - TimeSinceLastRequest(aTimeStamp, lock);
mTimeoutTask = NewRunnableMethod(this, &TaskThrottler::OnTimeout);
APZThreadUtils::RunDelayedTaskOnCurrentThread(mTimeoutTask, timeout);
return;
}
// we've been waiting for more than the max-wait limit, so just fall through
// and send the new task already.
}
mStartTime = aTimeStamp;
aTask->Run();
mOutstanding = true;
}
void
TaskThrottler::PostTask(const tracked_objects::Location& aLocation,
UniquePtr<CancelableTask> aTask, const TimeStamp& aTimeStamp)
{
aTask->SetBirthPlace(aLocation);
if (mOutstanding) {
if (mQueuedTask) {
mQueuedTask->Cancel();
mQueuedTask = nullptr;
}
if (TimeSinceLastRequest(aTimeStamp) < mMaxWait) {
mQueuedTask = Move(aTask);
return;
}
// we've been waiting for more than the max-wait limit, so just fall through
// and send the new task already.
}
mStartTime = aTimeStamp;
aTask->Run();
mOutstanding = true;
}
TimeDuration
TaskThrottler::TimeSinceLastRequest(const TimeStamp& aTimeStamp)
{
MonitorAutoLock lock(mMonitor);
return TimeSinceLastRequest(aTimeStamp, lock);
}