[calls] ringer: Move libfeedback related cleanup to finalize()

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 97626c467f5f0a468bef5367914c3186de190be0
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Thu Aug 18 20:57:46 2022 +0200

    ringer: Move libfeedback related cleanup to finalize()
    
    Leave the LfbEvent self->event alive in dispose()
    to give potentially pending GAsyncReadyCallback invocations
    or running GSources a better chance of finishing gracefully.

 src/calls-ringer.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)
---
diff --git a/src/calls-ringer.c b/src/calls-ringer.c
index 05ade8ed..ca656257 100644
--- a/src/calls-ringer.c
+++ b/src/calls-ringer.c
@@ -463,10 +463,6 @@ dispose (GObject *object)
 {
   CallsRinger *self = CALLS_RINGER (object);
 
-  if (self->event) {
-    g_clear_object (&self->event);
-    lfb_uninit ();
-  }
   g_signal_handlers_disconnect_by_data (calls_manager_get_default (), self);
 
   g_clear_handle_id (&self->restart_id, g_source_remove);
@@ -475,6 +471,20 @@ dispose (GObject *object)
 }
 
 
+static void
+finalize (GObject *object)
+{
+  CallsRinger *self = CALLS_RINGER (object);
+
+  if (self->event)
+    lfb_uninit ();
+
+  g_clear_object (&self->event);
+
+  G_OBJECT_CLASS (calls_ringer_parent_class)->finalize (object);
+}
+
+
 static void
 calls_ringer_class_init (CallsRingerClass *klass)
 {
@@ -482,6 +492,7 @@ calls_ringer_class_init (CallsRingerClass *klass)
 
   object_class->constructed = constructed;
   object_class->dispose = dispose;
+  object_class->finalize = finalize;
   object_class->get_property = get_property;
 
   props[PROP_IS_RINGING] =