/**
  * Set up component navigation.
  *
  * @since BuddyPress (1.5.0)
  *
  * @see BP_Component::setup_nav() for a description of arguments.
  *
  * @param array $main_nav Optional. See BP_Component::setup_nav() for
  *        description.
  * @param array $sub_nav Optional. See BP_Component::setup_nav() for
  *        description.
  */
 public function setup_nav($main_nav = array(), $sub_nav = array())
 {
     if (bp_displayed_user_id() === 0 || bp_displayed_user_id() === get_current_user_id()) {
         return;
     }
     // Determine user to use
     if (bp_displayed_user_domain()) {
         $user_domain = bp_displayed_user_domain();
     }
     $mutual_friends_link = trailingslashit($user_domain . BP_MUTUAL_FRIENDS_SLUG);
     // Add 'Friends' to the main navigation
     // Add 'Friends' to the main navigation
     $count = bmf_mutual_friend_total_count();
     $class = 0 === $count ? 'no-count' : 'count';
     $main_nav = array('name' => sprintf(__('Mutual Friends <span class="%s">%s</span>', 'buddypress'), esc_attr($class), bp_core_number_format($count)), 'slug' => BP_MUTUAL_FRIENDS_SLUG, 'position' => 60, 'screen_function' => 'bp_mutual_friends_screen', 'default_subnav_slug' => 'my-mutual-friends', 'item_css_id' => 'members');
     // Add the subnav items to the mutual-friends nav item
     $sub_nav[] = array('name' => _x('Mutual Friends', 'Friends screen sub nav', 'buddypress'), 'slug' => 'my-mutual-friends', 'parent_url' => $mutual_friends_link, 'parent_slug' => BP_MUTUAL_FRIENDS_SLUG, 'screen_function' => 'bp_my_mutual_friends_screen', 'position' => 10);
     parent::setup_nav($main_nav, $sub_nav);
 }
/**
 * Return mutual friends counts for the current member in the loop.
 *
 * @since 1.5
 *
 *
 * @param array $classes Array of custom classes
 *
 * @return string Row class of the member
 */
function bmf_get_total_mutual_friend_count()
{
    global $members_template;
    if (!is_user_logged_in()) {
        return;
    }
    $mutual_friends_count = bmf_mutual_friend_total_count($members_template->member->ID);
    if (get_current_user_id() == $members_template->member->ID) {
        return;
    }
    $mutual_friends_link = '';
    $show_mutual_friends_count = apply_filters('bmf_show_mutual_friend_count', true);
    if ($show_mutual_friends_count && 0 < absint($mutual_friends_count)) {
        $mutual_friends_link = '<a href="" data-action="bmf_mutual_friends_dialog" data-effect="mfp-zoom-in" data-user-id="' . $members_template->member->ID . '"
		   class="mutual-friends">
			' . sprintf(_n('%s mutual friend', '%s mutual friends', $mutual_friends_count, 'bmf'), $mutual_friends_count) . '
		</a>';
    } else {
        $friends_count = friends_get_total_friend_count($members_template->member->ID);
        $show_friends_count = apply_filters('bmf_show_friend_count', true);
        if (0 < $friends_count && $show_friends_count) {
            $mutual_friends_link = '<a href="" data-action="bmf_friends_dialog" data-effect="mfp-zoom-in" data-user-id="' . $members_template->member->ID . '"
		   class="mutual-friends">
			' . sprintf(_n('%s friend', '%s friends', $friends_count, 'bmf'), $friends_count) . '
		</a>';
        }
    }
    return apply_filters('bmf_get_total_mutual_friend_count', $mutual_friends_link);
}