From dad53180bc6c554336c3a30abf64e45c242b2262 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Fri, 29 Aug 2014 17:19:38 +0200
Subject: [PATCH] Add event source to the public api

---
 lib/private/eventsource.php     |  2 +-
 lib/private/server.php          |  9 +++++++++
 lib/public/ieventsource.php     | 32 ++++++++++++++++++++++++++++++++
 lib/public/iservercontainer.php |  7 +++++++
 4 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 lib/public/ieventsource.php

diff --git a/lib/private/eventsource.php b/lib/private/eventsource.php
index 5a870ae3f3..22782d677e 100644
--- a/lib/private/eventsource.php
+++ b/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
 	 */
diff --git a/lib/private/server.php b/lib/private/server.php
index 5d40f1327f..1c3b1b03ce 100644
--- a/lib/private/server.php
+++ b/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();
+	}
 }
diff --git a/lib/public/ieventsource.php b/lib/public/ieventsource.php
new file mode 100644
index 0000000000..ea4bfc73d4
--- /dev/null
+++ b/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, $data = null);
+
+	/**
+	 * close the connection of the event source
+	 */
+	public function close();
+}
diff --git a/lib/public/iservercontainer.php b/lib/public/iservercontainer.php
index 60b0b497c5..24d8894d9f 100644
--- a/lib/public/iservercontainer.php
+++ b/lib/public/iservercontainer.php
@@ -235,4 +235,11 @@ interface IServerContainer {
 	 * @return \OCP\ICertificateManager
 	 */
 	function getCertificateManager($user = null);
+	
+	/**
+	 * Returns a search instance
+	 *
+	 * @return \OCP\IEventSource
+	 */
+	function getEventSource();
 }