From 1f75e936e535ea6cbc5263968e57ea77397b96ba Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <machniak@kolabsys.com>
Date: Wed, 5 Aug 2015 05:06:36 -0400
Subject: [PATCH] Performance: Skip delegators list generation on every
 calendar refresh action

---
 plugins/kolab_delegation/kolab_delegation.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/kolab_delegation/kolab_delegation.php b/plugins/kolab_delegation/kolab_delegation.php
index 8596009e..c828093c 100644
--- a/plugins/kolab_delegation/kolab_delegation.php
+++ b/plugins/kolab_delegation/kolab_delegation.php
@@ -80,7 +80,9 @@ class kolab_delegation extends rcube_plugin
         }
         // Calendar plugin UI bindings
         else if ($this->rc->task == 'calendar' && empty($_REQUEST['_framed'])) {
-            $this->calendar_ui();
+            if ($this->rc->output->type == 'html') {
+                $this->calendar_ui();
+            }
         }
     }