add_filter('wp_nav_menu_items','custom_nav_items',10,2);
function custom_nav_items($menu, $args) {
global $bp;
$args = (array)$args;
if ( is_user_logged_in() ) {
if ( $args['theme_location'] != 'primary' )
    return $menu;
$customNav = '<li class="menu-item menu-item-type-post_type menu-item-object-page ss-nav-menu-item-5 ss-nav-menu-item-depth-0 ss-nav-menu-reg ss-nav-menu-mega-alignRight customNav"><a href="'. $bp->loggedin_user->domain .'">'. $bp->loggedin_user->fullname .'</a>
<ul class="sub-menu sub-menu-1">
    <li class="menu-item menu-item-type-custom menu-item-object-custom ss-nav-menu-item-depth-1"><a href="'. $bp->loggedin_user->domain .'">View Profile</a></li>
    <li class="menu-item menu-item-type-custom menu-item-object-custom ss-nav-menu-item-depth-1"><a href="'. $bp->loggedin_user->domain .'profile/edit/">Edit Profile</a></li>
    <li class="menu-item menu-item-type-custom menu-item-object-custom ss-nav-menu-item-depth-1"><a href="'. $bp->loggedin_user->domain .'settings/change-avatar">Change Photo</a></li>
    <li class="menu-item menu-item-type-custom menu-item-object-custom ss-nav-menu-item-depth-1"><a href="'. $bp->loggedin_user->domain .'settings/">Edit Settings</a></li>
    <li class="menu-item menu-item-type-custom menu-item-object-custom ss-nav-menu-item-depth-1"><a href="'. wp_logout_url( bp_get_root_domain() ) .'">Logout</a></li>
<ul>
</li>
<li class="menu-item menu-item-type-post_type menu-item-object-page ss-nav-menu-item-5 ss-nav-menu-item-depth-0 ss-nav-menu-reg ss-nav-menu-mega-alignRight"><a href="#">Notifications';
        if ( $notifications = bp_core_get_notifications_for_user( $bp->loggedin_user->id ) ) {
            '<span>' echo count($notifications) '</span>'
        }
        echo '</a>';
        echo '<ul>';
        if ( $notifications ) {
            $counter = 0;
            for ( $i = 0; $i < count($notifications); $i++ ) {
                $alt = ( 0 == $counter % 2 ) ? ' class="alt"' : '';
                '<li' return $alt '>' echo $notifications[$i] '</li>'
                $counter++;
            }
        } else {
            '<li><a href="#">No new notifications</a></li>'
        }
        echo '</ul>';
        echo '</li>';
    if( function_exists('my_bp_adminbar_notifications_menu') ) my_bp_adminbar_notifications_menu();
return $menu.$customNav;
} else {
$loggedoutNav = '<li class="menu-item menu-item-type-post_type menu-item-object-page ss-nav-menu-item-5 ss-nav-menu-item-depth-0 ss-nav-menu-reg ss-nav-menu-mega-alignRight"><a style="font-weight: bold; color: red;" href="signup/">Sign Up!</a></li>';
return $menu.$loggedoutNav;
}
}