gistfile1.xml

<service id="base.thelia2_fundation.template.listener" class="BaseTemplate\Listener\TemplateListener" scope="request">
    <argument type="service" id="thelia.parser"/>
    <tag name="kernel.event_subscriber"/>
</service>

php

<?php
/**
 * Created by PhpStorm.
 * Date: 2/19/14
 * Time: 3:16 PM
 * 
 * @author Guillaume MOREL <gmorel@openstudio.fr>
 */

namespace BaseTemplate\Listener;

use Symfony\Component\DependencyInjection\Container;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\KernelEvents;
use Thelia\Core\Event\TheliaEvents;
use Thelia\Core\Template\Smarty\SmartyParser;
use Thelia\Core\Template\TemplateDefinition;


/**
 * Class TemplateListener
 * @author Manuel Raynaud <mraynaud@openstudio.fr>
 */
class TemplateListener implements EventSubscriberInterface
{
    /** @var SmartyParser */
    public $parser;

    /**
     * @param SmartyParser $parser
     */
    public function __construct(SmartyParser $parser)
    {
        $this->parser = $parser;
    }

    public function boot($event)
    {
        $this->parser->addTemplateDirectory(
            TemplateDefinition::FRONT_OFFICE,
            'baseTemplate',
            THELIA_TEMPLATE_DIR . '/frontOffice/baseTemplate',
            '0'
        );
    }

    /**
     * Returns an array of event names this subscriber wants to listen to.
     *
     * The array keys are event names and the value can be:
     *
     *  * The method name to call (priority defaults to 0)
     *  * An array composed of the method name to call and the priority
     *  * An array of arrays composed of the method names to call and respective
     *    priorities, or 0 if unset
     *
     * For instance:
     *
     *  * array('eventName' => 'methodName')
     *  * array('eventName' => array('methodName', $priority))
     *  * array('eventName' => array(array('methodName1', $priority), array('methodName2'))
     *
     * @return array The event names to listen to
     *
     * @api
     */
    public static function getSubscribedEvents()
    {
        return array(
            KernelEvents::REQUEST => array('boot', 128)
        );
    }
}