[gnome-settings-daemon/gnome-3-8] print-notifications: Regularly check for notifications from remote CUPS servers

[Marek Kašík <mkasik src gnome org>]

commit 022d994c9b15f5ed460101c63bf205ec874a2736
Author: Marek Kasik <mkasik redhat com>
Date:   Thu Sep 5 10:57:41 2013 +0200

    print-notifications: Regularly check for notifications from remote CUPS servers
    
    Get new notifications every 60 seconds if the CUPS server is a remote one.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=678623

 .../gsd-print-notifications-manager.c              |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/plugins/print-notifications/gsd-print-notifications-manager.c 
b/plugins/print-notifications/gsd-print-notifications-manager.c
index 5e229c1..26c630e 100644
--- a/plugins/print-notifications/gsd-print-notifications-manager.c
+++ b/plugins/print-notifications/gsd-print-notifications-manager.c
@@ -52,6 +52,7 @@
 #define CONNECTING_TIMEOUT               60
 #define REASON_TIMEOUT                   15000
 #define CUPS_CONNECTION_TEST_INTERVAL    300
+#define CHECK_INTERVAL                   60 /* secs */
 
 #if (CUPS_VERSION_MAJOR > 1) || (CUPS_VERSION_MINOR > 5)
 #define HAVE_CUPS_1_6 1
@@ -75,6 +76,7 @@ struct GsdPrintNotificationsManagerPrivate
         GHashTable                   *printing_printers;
         GList                        *active_notifications;
         guint                         cups_connection_timeout_id;
+        guint                         check_source_id;
         guint                         cups_dbus_subscription_id;
         guint                         renew_source_id;
         gint                          last_notify_sequence_number;
@@ -1177,6 +1179,7 @@ cups_connection_test_cb (GObject      *source_object,
                 g_debug ("Got dests from remote CUPS server.");
 
                 renew_subscription_timeout_enable (manager, TRUE, TRUE);
+                manager->priv->check_source_id = g_timeout_add_seconds (CHECK_INTERVAL, 
process_new_notifications, manager);
         } else {
                 g_debug ("Test connection to CUPS server \'%s:%d\' failed.", cupsServer (), ippPort ());
                 if (manager->priv->cups_connection_timeout_id == 0)
@@ -1327,6 +1330,11 @@ gsd_print_notifications_manager_stop (GsdPrintNotificationsManager *manager)
 
         renew_subscription_timeout_enable (manager, FALSE, FALSE);
 
+        if (manager->priv->check_source_id > 0) {
+                g_source_remove (manager->priv->check_source_id);
+                manager->priv->check_source_id = 0;
+        }
+
         if (manager->priv->subscription_id >= 0)
                 cancel_subscription (manager->priv->subscription_id);