[grilo-plugins] opensubtitles: Add ::finalize implementation

[Christophe Fergeau <teuf src gnome org>]

commit 882086cbf6936e475acafdc804a3a6264c7ebdfb
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Mon Sep 18 11:09:40 2017 +0200

    opensubtitles: Add ::finalize implementation
    
    The source has some private data to free when an instance goes away.

 src/opensubtitles/grl-opensubtitles.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/src/opensubtitles/grl-opensubtitles.c b/src/opensubtitles/grl-opensubtitles.c
index 20b5584..a5f12d2 100644
--- a/src/opensubtitles/grl-opensubtitles.c
+++ b/src/opensubtitles/grl-opensubtitles.c
@@ -66,6 +66,7 @@ static GrlKeyID GRL_OPENSUBTITLES_METADATA_KEY_SUBTITLES_LANG = GRL_METADATA_KEY
 /**/
 
 static GrlOpenSubtitlesSource *grl_opensubtitles_source_new (void);
+static void grl_opensubtitles_source_finalize (GObject *object);
 
 static void grl_opensubtitles_source_resolve (GrlSource            *source,
                                               GrlSourceResolveSpec *rs);
@@ -180,12 +181,15 @@ static void
 grl_opensubtitles_source_class_init (GrlOpenSubtitlesSourceClass * klass)
 {
   GrlSourceClass *source_class = GRL_SOURCE_CLASS (klass);
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 
   source_class->supported_keys = grl_opensubtitles_source_supported_keys;
   source_class->cancel = grl_opensubtitles_source_cancel;
   source_class->may_resolve = grl_opensubtitles_source_may_resolve;
   source_class->resolve = grl_opensubtitles_source_resolve;
 
+  gobject_class->finalize = grl_opensubtitles_source_finalize;
+
   g_type_class_add_private (klass, sizeof (GrlOpenSubtitlesSourcePriv));
 }
 
@@ -202,6 +206,21 @@ G_DEFINE_TYPE (GrlOpenSubtitlesSource,
                grl_opensubtitles_source,
                GRL_TYPE_SOURCE);
 
+static void
+grl_opensubtitles_source_finalize (GObject *object)
+{
+  GrlOpenSubtitlesSource *source = GRL_OPENSUBTITLES_SOURCE (object);
+  GrlOpenSubtitlesSourcePriv *priv = GRL_OPENSUBTITLES_SOURCE_GET_PRIVATE (source);
+
+  GRL_DEBUG ("%s", G_STRFUNC);
+
+  g_clear_object (&priv->session);
+  g_async_queue_unref (priv->queue);
+
+  G_OBJECT_CLASS (grl_opensubtitles_source_parent_class)->finalize (object);
+}
+
+
 /* ======================= Utilities ==================== */
 
 static void