public function frontpage_available_courses() {
        global $CFG;

        $chelper = new coursecat_helper();
        $chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_EXPANDED)->
                set_courses_display_options(array(
                    'recursive' => true,
                    'limit' => $CFG->frontpagecourselimit,
                    'viewmoreurl' => new moodle_url('/course/index.php'),
                    'viewmoretext' => new lang_string('fulllistofcourses')));

        $chelper->set_attributes(array('class' => 'frontpage-course-list-all'));
        $courses = core_course_category::top()->get_courses($chelper->get_courses_display_options());
        $totalcount = core_course_category::top()->get_courses_count($chelper->get_courses_display_options());
        if (!$totalcount && !$this->page->user_is_editing() && has_capability('moodle/course:create', context_system::instance())) {
            // Print link to create a new course, for the 1st available category.
            return $this->add_new_course_button();
        }
        return $this->coursecat_courses($chelper, $courses, $totalcount);
    }