public function render()
 {
     $user = $this->user;
     require_celerity_resource('phabricator-main-menu-view');
     $header_id = celerity_generate_unique_node_id();
     $extra = '';
     $group = new PhabricatorMainMenuGroupView();
     $group->addClass('phabricator-main-menu-group-logo');
     $group->setCollapsible(false);
     $group->appendChild(phutil_render_tag('a', array('class' => 'phabricator-main-menu-logo', 'href' => '/'), '<span>Phabricator</span>'));
     if (PhabricatorEnv::getEnvConfig('notification.enabled') && $user->isLoggedIn()) {
         list($menu, $dropdown) = $this->renderNotificationMenu();
         $group->appendChild($menu);
         $extra .= $dropdown;
     }
     $group->appendChild(javelin_render_tag('a', array('class' => 'phabricator-main-menu-expand-button', 'sigil' => 'jx-toggle-class', 'meta' => array('map' => array($header_id => 'phabricator-main-menu-reveal'))), '<span>Expand</span>'));
     $logo = $group->render();
     return phutil_render_tag('div', array('class' => 'phabricator-main-menu', 'id' => $header_id), $logo . $this->renderChildren()) . $extra;
 }