+static void event_manager_ringing_finished_cb (ca_context *c, guint id,
+ int error_code, gpointer user_data);
+
+static gboolean
+event_manager_ringing_timeout_cb (gpointer data)
+{
+ EmpathyEventManager *manager = EMPATHY_EVENT_MANAGER (data);
+ EmpathyEventManagerPriv *priv = GET_PRIV (manager);
+
+ priv->voip_timeout = 0;
+
+ empathy_sound_play_full (empathy_main_window_get (),
+ EMPATHY_SOUND_PHONE_INCOMING, event_manager_ringing_finished_cb,
+ manager);
+
+ return FALSE;
+}
+
+static gboolean
+event_manager_ringing_idle_cb (gpointer data)
+{
+ EmpathyEventManager *manager = EMPATHY_EVENT_MANAGER (data);
+ EmpathyEventManagerPriv *priv = GET_PRIV (manager);
+
+ if (priv->ringing > 0)
+ priv->voip_timeout = g_timeout_add (500, event_manager_ringing_timeout_cb,
+ data);
+
+ return FALSE;
+}
+
+static void
+event_manager_ringing_finished_cb (ca_context *c, guint id, int error_code,
+ gpointer user_data)
+{
+ if (error_code == CA_ERROR_CANCELED)
+ return;
+
+ g_idle_add (event_manager_ringing_idle_cb, user_data);
+}
+
+static void
+event_manager_start_ringing (EmpathyEventManager *manager)
+{
+ EmpathyEventManagerPriv *priv = GET_PRIV (manager);
+
+ priv->ringing++;
+
+ if (priv->ringing == 1)
+ {
+ empathy_sound_play_full (empathy_main_window_get (),
+ EMPATHY_SOUND_PHONE_INCOMING, event_manager_ringing_finished_cb,
+ manager);
+ }
+}
+
+static void
+event_manager_stop_ringing (EmpathyEventManager *manager)
+{
+ EmpathyEventManagerPriv *priv = GET_PRIV (manager);
+
+ priv->ringing--;
+
+ if (priv->ringing > 0)
+ return;
+
+ empathy_sound_stop (EMPATHY_SOUND_PHONE_INCOMING);
+
+ if (priv->voip_timeout != 0)
+ {
+ g_source_remove (priv->voip_timeout);
+ priv->voip_timeout = 0;
+ }
+}
+