private static boolean showConfirmation() {
    final boolean hasUnsafeBgTasks = ProgressManager.getInstance().hasUnsafeProgressIndicator();

    DialogWrapper.DoNotAskOption option =
        new DialogWrapper.DoNotAskOption() {
          @Override
          public boolean isToBeShown() {
            return GeneralSettings.getInstance().isConfirmExit();
          }

          @Override
          public void setToBeShown(boolean value, int exitCode) {
            GeneralSettings.getInstance().setConfirmExit(value);
          }

          @Override
          public boolean canBeHidden() {
            return !hasUnsafeBgTasks;
          }

          @Override
          public boolean shouldSaveOptionsOnCancel() {
            return false;
          }

          @Override
          public String getDoNotShowMessage() {
            return "Do not ask me again";
          }
        };

    if (hasUnsafeBgTasks || option.isToBeShown()) {
      String message =
          ApplicationBundle.message(
              hasUnsafeBgTasks ? "exit.confirm.prompt.tasks" : "exit.confirm.prompt",
              ApplicationNamesInfo.getInstance().getFullProductName());

      if (DialogWrapper.OK_EXIT_CODE
          != Messages.showYesNoDialog(
              message,
              ApplicationBundle.message("exit.confirm.title"),
              ApplicationBundle.message("command.exit"),
              "Cancel",
              Messages.getQuestionIcon(),
              option)) {
        return false;
      }
    }
    return true;
  }
  private boolean disposeSelf() {
    myDisposeInProgress = true;
    final CommandProcessor commandProcessor = CommandProcessor.getInstance();
    final Ref<Boolean> canClose = new Ref<Boolean>(Boolean.TRUE);
    for (final Project project : ProjectManagerEx.getInstanceEx().getOpenProjects()) {
      try {
        commandProcessor.executeCommand(
            project,
            new Runnable() {
              public void run() {
                canClose.set(ProjectUtil.closeAndDispose(project));
              }
            },
            ApplicationBundle.message("command.exit"),
            null);
      } catch (Throwable e) {
        LOG.error(e);
      }
      if (!canClose.get()) {
        myDisposeInProgress = false;
        return false;
      }
    }
    Disposer.dispose(this);

    Disposer.assertIsEmpty();
    return true;
  }