[gnome-calendar] manager: don't query disconnected clients

[Erick Pérez Castellanos <erickpc src gnome org>]

commit 358b3766a0f091a05cfa24d7eb5056beab0cdc3d
Author: Erick Pérez Castellanos <erick red gmail com>
Date:   Wed Dec 24 11:08:30 2014 -0500

    manager: don't query disconnected clients

 src/gcal-manager.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)
---
diff --git a/src/gcal-manager.c b/src/gcal-manager.c
index cc07e79..3074b6c 100644
--- a/src/gcal-manager.c
+++ b/src/gcal-manager.c
@@ -900,11 +900,9 @@ gcal_manager_refresh (GcalManager *manager)
   /* refresh clients */
   for (l = clients; l != NULL; l = l->next)
     {
-      GcalManagerUnit *unit;
+      GcalManagerUnit *unit = l->data;
 
-      unit = (GcalManagerUnit*) l->data;
-
-      if (! e_client_check_refresh_supported (E_CLIENT (unit->client)))
+      if (!unit->connected && ! e_client_check_refresh_supported (E_CLIENT (unit->client)))
         continue;
 
       e_client_refresh (E_CLIENT (unit->client),
@@ -924,9 +922,9 @@ gcal_manager_is_client_writable (GcalManager *manager,
   GcalManagerUnit *unit;
 
   priv = gcal_manager_get_instance_private (manager);
-
   unit = g_hash_table_lookup (priv->clients, source);
-  return e_client_is_readonly (E_CLIENT (unit->client));
+
+  return unit->connected && e_client_is_readonly (E_CLIENT (unit->client));
 }
 
 void