Index: branches/5.2.x/units/topics/topics_event_handler.php
===================================================================
diff -u -N -r15148 -r15286
--- branches/5.2.x/units/topics/topics_event_handler.php	(.../topics_event_handler.php)	(revision 15148)
+++ branches/5.2.x/units/topics/topics_event_handler.php	(.../topics_event_handler.php)	(revision 15286)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: topics_event_handler.php 15148 2012-03-04 09:04:48Z alex $
+* @version	$Id: topics_event_handler.php 15286 2012-04-11 08:48:42Z alex $
 * @package	In-Bulletin
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -44,6 +44,10 @@
 				return $perm_status;
 			}
 
+			if ( $event->Name == 'OnToogleCategoryTopicsSubscribe' || $event->Name == 'OnToogleTopicPostsSubscribe' ) {
+				return $this->Application->LoggedIn();
+			}
+
 			return parent::CheckPermission($event);
 		}
 
@@ -249,4 +253,51 @@
 				$this->Application->setUnitOption($event->MasterEvent->Prefix, 'Clones', $clones);
 			}
 		}
+
+		/**
+		 * Subscribes/unsubscribes to new topics in given current category
+		 *
+		 * @param kEvent $event
+		 * @return void
+		 * @access protected
+		 */
+		protected function OnToogleCategoryTopicsSubscribe(kEvent $event)
+		{
+			$post_helper = $this->Application->recallObject('PostHelper');
+			/* @var $post_helper PostHelper */
+
+			$manager = $post_helper->getSubscriptionManager('CategoryTopics');
+
+			if ( $manager->subscribed() ) {
+				$manager->unsubscribe();
+			}
+			else {
+				$manager->subscribe();
+			}
+		}
+
+		/**
+		 * Subscribes/unsubscribes to new posts in current topic
+		 *
+		 * @param kEvent $event
+		 * @return void
+		 * @access protected
+		 */
+		protected function OnToogleTopicPostsSubscribe(kEvent $event)
+		{
+			$object = $event->getObject();
+			/* @var $object kDBItem */
+
+			$post_helper = $this->Application->recallObject('PostHelper');
+			/* @var $post_helper PostHelper */
+
+			$manager = $post_helper->getSubscriptionManager('TopicPosts', Array ($object->GetID()));
+
+			if ( $manager->subscribed() ) {
+				$manager->unsubscribe();
+			}
+			else {
+				$manager->subscribe();
+			}
+		}
 	}
\ No newline at end of file