Add event source to the public api

lib/private/eventsource.php

@@ -12,7 +12,7 @@
  *
  * use server side events with caution, to many open requests can hang the server
  */
-class OC_EventSource {
+class OC_EventSource implements \OCP\IEventSource {
 	/**
 	 * @var bool
 	 */

lib/private/server.php

@@ -492,4 +492,13 @@ class Server extends SimpleContainer implements IServerContainer {
 		}
 		return new CertificateManager($user);
 	}
+
+	/**
+	 * Returns a search instance
+	 *
+	 * @return \OCP\IEventSource
+	 */
+	function getEventSource() {
+		return new \OC_EventSource();
+	}
 }

lib/public/ieventsource.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OCP;
+
+/**
+ * wrapper for server side events (http://en.wikipedia.org/wiki/Server-sent_events)
+ * includes a fallback for older browsers and IE
+ *
+ * use server side events with caution, to many open requests can hang the server
+ */
+interface IEventSource {
+	/**
+	 * send a message to the client
+	 *
+	 * @param string $type
+	 * @param mixed $data
+	 *
+	 * if only one parameter is given, a typeless message will be send with that parameter as data
+	 */
+	public function send($type, $data = null);
+
+	/**
+	 * close the connection of the event source
+	 */
+	public function close();
+}

lib/public/iservercontainer.php

@@ -235,4 +235,11 @@ interface IServerContainer {
 	 * @return \OCP\ICertificateManager
 	 */
 	function getCertificateManager($user = null);
+	
+	/**
+	 * Returns a search instance
+	 *
+	 * @return \OCP\IEventSource
+	 */
+	function getEventSource();
 }