<?php

/*
 * This file is part of the FOSFacebookBundle package.
 *
 * (c) FriendsOfSymfony <http://friendsofsymfony.github.com/>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace FOS\FacebookBundle\Security\Logout;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Http\Logout\LogoutHandlerInterface;

/**
 * Listener for the logout action
 *
 * This handler will clear the application's Facebook cookie.
 */
class FacebookHandler implements LogoutHandlerInterface
{
    private $facebook;

    public function __construct(\BaseFacebook $facebook)
    {
        $this->facebook = $facebook;
    }

    public function logout(Request $request, Response $response, TokenInterface $token)
    {
        $response->headers->clearCookie('fbsr_'.$this->facebook->getAppId());
    }
}