[PATCH 5/9] core: Add unref() functions to GrlMediaSourceFooSpec

["Juan A. Suarez Romero" <jasuarez igalia com>]

Add grl_media_source_foo_spec_unref() to decrement reference.

When references counter reaches 0, the spec is destroyed, and its contents are
released.
---
 src/grl-media-source.c |  117 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/grl-media-source.h |   12 +++++
 2 files changed, 129 insertions(+), 0 deletions(-)

diff --git a/src/grl-media-source.c b/src/grl-media-source.c
index a689429..960689c 100644
--- a/src/grl-media-source.c
+++ b/src/grl-media-source.c
@@ -1220,6 +1220,123 @@ grl_media_source_remove_spec_ref (GrlMediaSourceRemoveSpec *rs)
   return rs;
 }
 
+void
+grl_media_source_browse_spec_unref (GrlMediaSourceBrowseSpec *bs)
+{
+  g_return_if_fail (bs);
+  g_return_if_fail (bs->ref_count > 0);
+
+  if (g_atomic_int_dec_and_test (&bs->ref_count)) {
+    if (bs->source) {
+      g_object_unref (bs->source);
+    }
+    if (bs->container) {
+      g_object_unref (bs->container);
+    }
+    if (bs->keys) {
+      g_list_free (bs->keys);
+    }
+    g_free (bs);
+  }
+}
+
+void
+grl_media_source_search_spec_unref (GrlMediaSourceSearchSpec *ss)
+{
+  g_return_if_fail (ss);
+  g_return_if_fail (ss->ref_count > 0);
+
+  if (g_atomic_int_dec_and_test (&ss->ref_count)) {
+    if (ss->source) {
+      g_object_unref (ss->source);
+    }
+    if (ss->text) {
+      g_free (ss->text);
+    }
+    if (ss->keys) {
+      g_list_free (ss->keys);
+    }
+    g_free (ss);
+  }
+}
+
+void
+grl_media_source_query_spec_unref (GrlMediaSourceQuerySpec *qs)
+{
+  g_return_if_fail (qs);
+  g_return_if_fail (qs->ref_count > 0);
+
+  if (g_atomic_int_dec_and_test (&qs->ref_count)) {
+    if (qs->source) {
+      g_object_unref (qs->source);
+    }
+    if (qs->query) {
+      g_free (qs->query);
+    }
+    if (qs->keys) {
+      g_list_free (qs->keys);
+    }
+    g_free (qs);
+  }
+}
+
+void
+grl_media_source_metadata_spec_unref (GrlMediaSourceMetadataSpec *ms)
+{
+  g_return_if_fail (ms);
+  g_return_if_fail (ms->ref_count > 0);
+
+  if (g_atomic_int_dec_and_test (&ms->ref_count)) {
+    if (ms->source) {
+      g_object_unref (ms->source);
+    }
+    if (ms->media) {
+      g_object_unref (ms->media);
+    }
+    if (ms->keys) {
+      g_list_free (ms->keys);
+    }
+    g_free (ms);
+  }
+}
+
+void
+grl_media_source_store_spec_unref (GrlMediaSourceStoreSpec *ss)
+{
+  g_return_if_fail (ss);
+  g_return_if_fail (ss->ref_count > 0);
+
+  if (g_atomic_int_dec_and_test (&ss->ref_count)) {
+    if (ss->source) {
+      g_object_unref (ss->source);
+    }
+    if (ss->parent) {
+      g_object_unref (ss->parent);
+    }
+    if (ss->media) {
+      g_object_unref (ss->media);
+    }
+    g_free (ss);
+  }
+}
+
+void
+grl_media_source_remove_spec_unref (GrlMediaSourceRemoveSpec *rs)
+{
+  g_return_if_fail (rs);
+  g_return_if_fail (rs->ref_count > 0);
+
+  if (g_atomic_int_dec_and_test (&rs->ref_count)) {
+    if (rs->source) {
+      g_object_unref (rs->source);
+    }
+    if (rs->media_id) {
+      g_free (rs->media_id);
+    }
+    g_free (rs);
+  }
+}
+
 /**
  * grl_media_source_browse:
  * @source: a media source
diff --git a/src/grl-media-source.h b/src/grl-media-source.h
index 09a7873..d5477bc 100644
--- a/src/grl-media-source.h
+++ b/src/grl-media-source.h
@@ -362,6 +362,18 @@ GrlMediaSourceStoreSpec *grl_media_source_store_spec_ref (GrlMediaSourceStoreSpe
 
 GrlMediaSourceRemoveSpec *grl_media_source_remove_spec_ref (GrlMediaSourceRemoveSpec *rs);
 
+void grl_media_source_browse_spec_unref (GrlMediaSourceBrowseSpec *bs);
+
+void grl_media_source_search_spec_unref (GrlMediaSourceSearchSpec *bs);
+
+void grl_media_source_query_spec_unref (GrlMediaSourceQuerySpec *bs);
+
+void grl_media_source_metadata_spec_unref (GrlMediaSourceMetadataSpec *bs);
+
+void grl_media_source_store_spec_unref (GrlMediaSourceStoreSpec *bs);
+
+void grl_media_source_remove_spec_unref (GrlMediaSourceRemoveSpec *bs);
+
 guint grl_media_source_browse (GrlMediaSource *source,
                                GrlMedia *container,
                                const GList *keys,
-- 
1.7.0.4