@Override
      protected boolean shouldPostpone() {
        // Heuristics for automake postpone decision:
        // 1. There are unsaved documents OR
        // 2. The IDE is not idle: the last activity happened less than 3 seconds ago (registry-configurable)
        if (FileDocumentManager.getInstance().getUnsavedDocuments().length > 0) {
          return true;
        }
        final long threshold = Registry.intValue("compiler.automake.postpone.when.idle.less.than", 3000); // todo: UI option instead of registry?
        final long idleSinceLastActivity = ApplicationManager.getApplication().getIdleTime();
        return idleSinceLastActivity < threshold;
      }
@Override
      protected boolean shouldPostpone()