+
+ /**
+ * ModestMailOperationQueue::queue-empty
+ * @self: the #ModestMailOperationQueue that emits the signal
+ * @user_data: user data set when the signal handler was connected
+ *
+ * Issued whenever the queue is empty
+ */
+ signals[QUEUE_EMPTY_SIGNAL] =
+ g_signal_new ("queue-empty",
+ G_TYPE_FROM_CLASS (gobject_class),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (ModestMailOperationQueueClass, queue_empty),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+