Method cancel

Suscan/CancellableTask.cpp:174–185

}

bool
CancellableController::cancel(void)
{
  if (this->task == nullptr || this->cancelledState)
    return false;

  this->cancelledState = true;
  emit cancelling();
  emit queuedCancel();

  return true;
}

void
CancellableController::onDone(void)