10 files changed, 140 insertions, 0 deletions
diff --git a/phpBB/common.php b/phpBB/common.php
index b308037a0e..c48418276a 100644
--- a/phpBB/common.php
+++ b/phpBB/common.php
@@ -15,6 +15,8 @@ if (!defined('IN_PHPBB'))
 	exit;
 }
 
+use Symfony\Component\EventDispatcher\EventDispatcher;
+
 require($phpbb_root_path . 'includes/startup.' . $phpEx);
 
 if (file_exists($phpbb_root_path . 'config.' . $phpEx))
@@ -70,6 +72,8 @@ if (!empty($load_extensions) && function_exists('dl'))
 	}
 }
 
+require($phpbb_root_path . 'vendor/.composer/autoload.php');
+
 // Include files
 require($phpbb_root_path . 'includes/class_loader.' . $phpEx);
 require($phpbb_root_path . 'includes/session.' . $phpEx);
@@ -98,6 +102,7 @@ $phpbb_class_loader_ext->set_cache($cache->get_driver());
 $phpbb_class_loader->set_cache($cache->get_driver());
 
 // Instantiate some basic classes
+$phpbb_dispatcher = new EventDispatcher();
 $request	= new phpbb_request();
 $user		= new user();
 $auth		= new auth();
@@ -124,6 +129,9 @@ $phpbb_template_locator = new phpbb_template_locator();
 $phpbb_template_path_provider = new phpbb_template_extension_path_provider($phpbb_extension_manager, new phpbb_template_path_provider());
 $template = new phpbb_template($phpbb_root_path, $phpEx, $config, $user, $phpbb_template_locator, $phpbb_template_path_provider);
 
+$phpbb_subscriber_loader = new phpbb_event_extension_subscriber_loader($phpbb_dispatcher, $phpbb_extension_manager);
+$phpbb_subscriber_loader->load();
+
 // Add own hook handler
 require($phpbb_root_path . 'includes/hooks/index.' . $phpEx);
 $phpbb_hook = new phpbb_hook(array('exit_handler', 'phpbb_user_session_handler', 'append_sid', array('template', 'display')));
diff --git a/phpBB/composer.json b/phpBB/composer.json
new file mode 100644
index 0000000000..1059b97f84
--- /dev/null
+++ b/phpBB/composer.json
@@ -0,0 +1,5 @@
+{
+    "require": {
+        "symfony/event-dispatcher": "2.0.*"
+    }
+}
diff --git a/phpBB/composer.lock b/phpBB/composer.lock
new file mode 100644
index 0000000000..062ad4b3aa
--- /dev/null
+++ b/phpBB/composer.lock
@@ -0,0 +1,10 @@
+{
+    "hash": "9bada3748ec2933fe0864dcfafbcd671",
+    "packages": [
+        {
+            "package": "symfony/event-dispatcher",
+            "version": "v2.0.10"
+        }
+    ],
+    "aliases": []
+}
diff --git a/phpBB/docs/AUTHORS b/phpBB/docs/AUTHORS
index 4fe0af6e28..8be261706e 100644
--- a/phpBB/docs/AUTHORS
+++ b/phpBB/docs/AUTHORS
@@ -79,3 +79,6 @@ Pear (c) 2001-2004 PHP Group, http://pear.php.net
 
 Text_Diff-0.2.1 http://pear.php.net/package/Text_Diff
 
+MIT licenced:
+Symfony2 (c) 2004-2011 Fabien Potencier, http://symfony.com/
+
diff --git a/phpBB/download/file.php b/phpBB/download/file.php
index 2baa9d6c8a..3f14a9cb82 100644
--- a/phpBB/download/file.php
+++ b/phpBB/download/file.php
@@ -38,6 +38,8 @@ if (isset($_GET['avatar']))
 		exit;
 	}
 
+	require($phpbb_root_path . 'vendor/.composer/autoload.php');
+
 	require($phpbb_root_path . 'includes/class_loader.' . $phpEx);
 	require($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);
 	require($phpbb_root_path . 'includes/constants.' . $phpEx);
diff --git a/phpBB/includes/event/data.php b/phpBB/includes/event/data.php
new file mode 100644
index 0000000000..62e2f2312e
--- /dev/null
+++ b/phpBB/includes/event/data.php
@@ -0,0 +1,58 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2011 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+    exit;
+}
+
+use Symfony\Component\EventDispatcher\Event;
+
+class phpbb_event_data extends Event implements ArrayAccess
+{
+    private $data;
+
+    public function __construct(array $data = array())
+    {
+        $this->set_data($data);
+    }
+
+    public function set_data(array $data = array())
+    {
+        $this->data = $data;
+    }
+
+    public function get_data()
+    {
+        return $this->data;
+    }
+
+    public function offsetExists($offset)
+    {
+        return isset($this->data[$offset]);
+    }
+
+    public function offsetGet($offset)
+    {
+        return isset($this->data[$offset]) ? $this->data[$offset] : null;
+    }
+
+    public function offsetSet($offset, $value)
+    {
+        $this->data[$offset] = $value;
+    }
+
+    public function offsetUnset($offset)
+    {
+        unset($this->data[$offset]);
+    }
+}
diff --git a/phpBB/includes/event/extension_subscriber_loader.php b/phpBB/includes/event/extension_subscriber_loader.php
new file mode 100644
index 0000000000..aa32ca9686
--- /dev/null
+++ b/phpBB/includes/event/extension_subscriber_loader.php
@@ -0,0 +1,45 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2011 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+use Symfony\Component\EventDispatcher\EventDispatcher;
+
+class phpbb_event_extension_subscriber_loader
+{
+	private $dispatcher;
+	private $extension_manager;
+
+	public function __construct(EventDispatcher $dispatcher, phpbb_extension_manager $extension_manager)
+	{
+		$this->dispatcher = $dispatcher;
+		$this->extension_manager = $extension_manager;
+	}
+
+	public function load()
+	{
+		$finder = $this->extension_manager->get_finder();
+		$subscriber_classes = $finder
+			->extension_directory('/event')
+			->suffix('subscriber')
+			->core_path('event/')
+			->get_classes();
+
+		foreach ($subscriber_classes as $class) {
+			$subscriber = new $class();
+			$this->dispatcher->addSubscriber($subscriber);
+		}
+	}
+}
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index 9913a80a70..024fa612f0 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -4478,6 +4478,7 @@ function phpbb_http_login($param)
 function page_header($page_title = '', $display_online_list = true, $item_id = 0, $item = 'forum')
 {
 	global $db, $config, $template, $SID, $_SID, $_EXTRA_URL, $user, $auth, $phpEx, $phpbb_root_path;
+	global $phpbb_dispatcher;
 
 	if (defined('HEADER_INC'))
 	{
@@ -4761,6 +4762,10 @@ function page_header($page_title = '', $display_online_list = true, $item_id = 0
 		'A_COOKIE_SETTINGS'		=> addslashes('; path=' . $config['cookie_path'] . ((!$config['cookie_domain'] || $config['cookie_domain'] == 'localhost' || $config['cookie_domain'] == '127.0.0.1') ? '' : '; domain=' . $config['cookie_domain']) . ((!$config['cookie_secure']) ? '' : '; secure')),
 	));
 
+	$event = new phpbb_event_data();
+	$event->set_data(compact('page_title', 'display_online_list', 'item_id', 'item'));
+	$phpbb_dispatcher->dispatch('core.page_header', $event);
+
 	// application/xhtml+xml not used because of IE
 	header('Content-type: text/html; charset=UTF-8');
 
diff --git a/phpBB/install/database_update.php b/phpBB/install/database_update.php
index 843e8c2f23..a1c8fe1ef9 100644
--- a/phpBB/install/database_update.php
+++ b/phpBB/install/database_update.php
@@ -82,6 +82,8 @@ if (!empty($load_extensions) && function_exists('dl'))
 	}
 }
 
+require($phpbb_root_path . 'vendor/.composer/autoload.php');
+
 // Include files
 require($phpbb_root_path . 'includes/class_loader.' . $phpEx);
 require($phpbb_root_path . 'includes/session.' . $phpEx);
diff --git a/phpBB/install/index.php b/phpBB/install/index.php
index 9d003ba6ab..7e150c2519 100644
--- a/phpBB/install/index.php
+++ b/phpBB/install/index.php
@@ -69,6 +69,8 @@ else
 }
 @ini_set('memory_limit', $mem_limit);
 
+require($phpbb_root_path . 'vendor/.composer/autoload.php');
+
 // Include essential scripts
 require($phpbb_root_path . 'includes/class_loader.' . $phpEx);
 require($phpbb_root_path . 'includes/functions.' . $phpEx);