[evolution-ews/gnome-3-4] Bug #680683 - Do not block factory's main thread

[Milan Crha <mcrha src gnome org>]

commit a2d6bc4628cc7b89ea15eacac4b9a12805dabd3e
Author: Milan Crha <mcrha redhat com>
Date:   Fri Jul 27 10:34:42 2012 +0200

    Bug #680683 - Do not block factory's main thread

 src/calendar/e-cal-backend-ews.c |   34 ++++++++++++++++++++++++----------
 1 files changed, 24 insertions(+), 10 deletions(-)
---
diff --git a/src/calendar/e-cal-backend-ews.c b/src/calendar/e-cal-backend-ews.c
index e7e93e8..42af8e5 100644
--- a/src/calendar/e-cal-backend-ews.c
+++ b/src/calendar/e-cal-backend-ews.c
@@ -3465,8 +3465,8 @@ exit:
 	g_object_unref (cbews);
 }
 
-static gboolean
-ews_start_sync (gpointer data)
+static gpointer
+ews_start_sync_thread (gpointer data)
 {
 	ECalBackendEws *cbews;
 	ECalBackendEwsPrivate *priv;
@@ -3487,6 +3487,22 @@ ews_start_sync (gpointer data)
 						 EWS_MAX_FETCH_COUNT,
 						 ews_cal_sync_items_ready_cb,
 						 NULL, g_object_ref (cbews));
+
+	g_object_unref (cbews);
+
+	return NULL;
+}
+
+static gboolean
+ews_start_sync (gpointer data)
+{
+	GThread *thread;
+
+	/* run the actual operation in thread,
+	   to not block main thread of the factory */
+	thread = g_thread_new (NULL, ews_start_sync_thread, g_object_ref (data));
+	g_thread_unref (thread);
+
 	return TRUE;
 }
 
@@ -3499,14 +3515,12 @@ ews_cal_start_refreshing (ECalBackendEws *cbews)
 
 	PRIV_LOCK (priv);
 
-	if	(!priv->refresh_timeout &&
-		 priv->is_online &&
-		 priv->cnc) {
-			ews_start_sync (cbews);
-			priv->refresh_timeout = g_timeout_add_seconds
-							(REFRESH_INTERVAL,
-							 (GSourceFunc) ews_start_sync,
-							  cbews);
+	if (!priv->refresh_timeout &&
+	    priv->is_online &&
+	    priv->cnc) {
+		ews_start_sync (cbews);
+		priv->refresh_timeout = g_timeout_add_seconds (
+			REFRESH_INTERVAL, (GSourceFunc) ews_start_sync, cbews);
 	}
 
 	PRIV_UNLOCK (priv);