// queue each activity in smart mode separately so that if one of them starts dumb mode, the next
 // ones just wait for it to finish
 private void queueSmartModeActivity(final Runnable activity) {
   DumbService.getInstance(myProject)
       .runWhenSmart(
           new Runnable() {
             @Override
             public void run() {
               runActivity(activity);
             }
           });
 }
 @Override
 public synchronized void registerPostStartupActivity(@NotNull Runnable runnable) {
   LOG.assertTrue(
       !myPostStartupActivitiesPassed,
       "Registering post-startup activity that will never be run:"
           + " disposed="
           + myProject.isDisposed()
           + "; open="
           + myProject.isOpen()
           + "; passed="
           + myStartupActivitiesPassed);
   (DumbService.isDumbAware(runnable)
           ? myDumbAwarePostStartupActivities
           : myNotDumbAwarePostStartupActivities)
       .add(runnable);
 }
  public void runPostStartupActivities() {
    if (postStartupActivityPassed()) {
      return;
    }

    final Application app = ApplicationManager.getApplication();

    if (!app.isHeadlessEnvironment()) {
      checkFsSanity();
      checkProjectRoots();
    }

    runActivities(myDumbAwarePostStartupActivities);

    DumbService.getInstance(myProject)
        .runWhenSmart(
            new Runnable() {
              @Override
              public void run() {
                app.assertIsDispatchThread();

                // myDumbAwarePostStartupActivities might be non-empty if new activities were
                // registered during dumb mode
                runActivities(myDumbAwarePostStartupActivities);

                //noinspection SynchronizeOnThis
                synchronized (StartupManagerImpl.this) {
                  if (!myNotDumbAwarePostStartupActivities.isEmpty()) {
                    while (!myNotDumbAwarePostStartupActivities.isEmpty()) {
                      queueSmartModeActivity(myNotDumbAwarePostStartupActivities.remove(0));
                    }

                    // return here later to set myPostStartupActivitiesPassed
                    DumbService.getInstance(myProject).runWhenSmart(this);
                  } else {
                    myPostStartupActivitiesPassed = true;
                  }
                }
              }
            });

    // otherwise will be stored - we must not create config files in tests
    if (!app.isUnitTestMode()) {
      Registry.get("ide.firstStartup").setValue(false);
    }
  }