1 files changed, 47 insertions, 0 deletions
diff --git a/3rdparty/Sabre/CalDAV/Backend/NotificationSupport.php b/3rdparty/Sabre/CalDAV/Backend/NotificationSupport.php
new file mode 100755
index 00000000000..d5a1409d9b9
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+++ b/3rdparty/Sabre/CalDAV/Backend/NotificationSupport.php
@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * Adds caldav notification support to a backend.
+ *
+ * Note: This feature is experimental, and may change in between different
+ * SabreDAV versions.
+ *
+ * Notifications are defined at:
+ * http://svn.calendarserver.org/repository/calendarserver/CalendarServer/trunk/doc/Extensions/caldav-notifications.txt
+ *
+ * These notifications are basically a list of server-generated notifications 
+ * displayed to the user. Users can dismiss notifications by deleting them.
+ *
+ * The primary usecase is to allow for calendar-sharing.
+ *
+ * @package Sabre
+ * @subpackage CalDAV
+ * @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
+ * @author Evert Pot (http://www.rooftopsolutions.nl/) 
+ * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ */
+interface Sabre_CalDAV_Backend_NotificationSupport extends Sabre_CalDAV_Backend_BackendInterface {
+
+    /**
+     * Returns a list of notifications for a given principal url.
+     *
+     * The returned array should only consist of implementations of
+     * Sabre_CalDAV_Notifications_INotificationType. 
+     * 
+     * @param string $principalUri
+     * @return array 
+     */
+    public function getNotificationsForPrincipal($principalUri);
+
+    /**
+     * This deletes a specific notifcation.
+     *
+     * This may be called by a client once it deems a notification handled. 
+     * 
+     * @param string $principalUri 
+     * @param Sabre_CalDAV_Notifications_INotificationType $notification 
+     * @return void
+     */
+    public function deleteNotification($principalUri, Sabre_CalDAV_Notifications_INotificationType $notification); 
+
+}