[empathy] Add GVariant converters from tp-glib

[Guillaume Desmottes <gdesmott src gnome org>]

commit 460e6c2e35357e4df5379f5f76378d6833c7c34b
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue May 8 11:14:24 2012 +0200

    Add GVariant converters from tp-glib
    
    https://bugzilla.gnome.org/show_bug.cgi?id=676634

 libempathy/empathy-utils.c |   29 +++++++++++++++++++++++++++++
 libempathy/empathy-utils.h |    6 ++++++
 2 files changed, 35 insertions(+), 0 deletions(-)
---
diff --git a/libempathy/empathy-utils.c b/libempathy/empathy-utils.c
index 30d40e9..7d6c8c0 100644
--- a/libempathy/empathy-utils.c
+++ b/libempathy/empathy-utils.c
@@ -1273,3 +1273,32 @@ while_finish:
 
   return types;
 }
+
+GVariant *
+empathy_asv_to_vardict (const GHashTable *asv)
+{
+  return empathy_boxed_to_variant (TP_HASH_TYPE_STRING_VARIANT_MAP, "a{sv}",
+      (gpointer) asv);
+}
+
+GVariant *
+empathy_boxed_to_variant (GType gtype,
+    const gchar *variant_type,
+    gpointer boxed)
+{
+  GValue v = G_VALUE_INIT;
+  GVariant *ret;
+
+  g_return_val_if_fail (boxed != NULL, NULL);
+
+  g_value_init (&v, gtype);
+  g_value_set_boxed (&v, boxed);
+
+  ret = dbus_g_value_build_g_variant (&v);
+  g_return_val_if_fail (!tp_strdiff (g_variant_get_type_string (ret),
+        variant_type), NULL);
+
+  g_value_unset (&v);
+
+  return g_variant_ref_sink (ret);
+}
diff --git a/libempathy/empathy-utils.h b/libempathy/empathy-utils.h
index dae2506..a31ed34 100644
--- a/libempathy/empathy-utils.h
+++ b/libempathy/empathy-utils.h
@@ -130,6 +130,12 @@ FolksIndividual * empathy_ensure_individual_from_tp_contact (
 const gchar * const * empathy_individual_get_client_types (
     FolksIndividual *individual);
 
+GVariant * empathy_asv_to_vardict (const GHashTable *asv);
+
+GVariant * empathy_boxed_to_variant (GType gtype,
+    const gchar *variant_type,
+    gpointer boxed);
+
 /* Copied from wocky/wocky-utils.h */
 
 #define empathy_implement_finish_void(source, tag) \