gnotification: add sound theme support and implement the backends

gio/gcocoanotificationbackend.c

@@ -202,7 +202,7 @@ g_cocoa_notification_backend_send_notification (GNotificationBackend *backend,
                                                 const gchar          *cstr_id,
                                                 GNotification        *notification)
 {
-  NSString *str_title = nil, *str_text = nil, *str_id = nil;
+  NSString *str_title = nil, *str_text = nil, *str_id = nil, *str_sound_name = nil;
   NSImage *content = nil;
   const char *cstr;
   GIcon *icon;
@@ -215,6 +215,8 @@ g_cocoa_notification_backend_send_notification (GNotificationBackend *backend,
     str_text = nsstring_from_cstr (cstr);
   if (cstr_id != NULL)
     str_id = nsstring_from_cstr (cstr_id);
+  if ((cstr = g_notification_get_sound_name (notification)))
+    str_sound_name = nsstring_from_cstr (cstr);
   if ((icon = g_notification_get_icon (notification)))
     content = nsimage_from_gicon (icon);
   /* NOTE: There is no priority */
@@ -224,6 +226,11 @@ g_cocoa_notification_backend_send_notification (GNotificationBackend *backend,
   userNotification.informativeText = str_text;
   userNotification.identifier = str_id;
   userNotification.contentImage = content;
+  if (!str_sound_name)
+    userNotification.soundName = str_sound_name;
+  else
+    userNotification.soundName = NSUserNotificationDefaultSoundName;
+
   /* NOTE: Buttons only show up if your bundle has NSUserNotificationAlertStyle set to "alerts" */
   add_actions_to_notification (userNotification, notification);
 

gio/gfdonotificationbackend.c

@@ -223,6 +223,7 @@ call_notify (GDBusConnection     *con,
   GIcon *icon;
   GVariant *parameters;
   const gchar *body;
+  const gchar *sound_name;
   guchar urgency;
 
   g_variant_builder_init (&action_builder, G_VARIANT_TYPE_STRING_ARRAY);
@@ -267,6 +268,13 @@ call_notify (GDBusConnection     *con,
                          g_variant_new_string (g_application_get_application_id (app)));
   urgency = urgency_from_priority (g_notification_get_priority (notification));
   g_variant_builder_add (&hints_builder, "{sv}", "urgency", g_variant_new_byte (urgency));
+  sound_name = g_notification_get_sound_name (app);
+  if (sound_name != NULL)
+    {
+      g_variant_builder_add (&hints_builder, "{sv}", "sound-name",
+                             g_variant_new_string (sound_name));
+    }
+
   icon = g_notification_get_icon (notification);
   if (icon != NULL)
     {

gio/gnotification-private.h

@@ -49,4 +49,6 @@ gboolean                g_notification_get_default_action               (GNotifi
 
 GVariant *              g_notification_serialize                        (GNotification *notification);
 
+const gchar *           g_notification_get_sound_name                   (GNotification *notification);
+
 #endif

gio/gnotification.c

@@ -77,6 +77,7 @@ struct _GNotification
   GPtrArray *buttons;
   gchar *default_action;
   GVariant *default_action_target;
+  gchar *sound_name;
 };
 
 typedef struct
@@ -122,6 +123,7 @@ g_notification_finalize (GObject *object)
   if (notification->default_action_target)
     g_variant_unref (notification->default_action_target);
   g_ptr_array_free (notification->buttons, TRUE);
+  g_free (notification->sound_name);
 
   G_OBJECT_CLASS (g_notification_parent_class)->finalize (object);
 }
@@ -784,5 +786,54 @@ g_notification_serialize (GNotification *notification)
       g_variant_builder_add (&builder, "{sv}", "buttons", g_variant_builder_end (&actions_builder));
     }
 
+  if (notification->sound_name)
+    g_variant_builder_add (&builder, "{sv}", "sound-name", g_variant_new_string (notification->sound_name));
+
   return g_variant_builder_end (&builder);
 }
+
+/*< private >
+ * g_notification_get_sound_name:
+ * @notification: a #GNotification
+ *
+ * Gets the title of @notification.
+ *
+ * Returns: (nullable): the sound requested to be played when showing the @notification
+ *
+ * Since: 2.56
+ */
+const gchar *
+g_notification_get_sound_name (GNotification *notification)
+{
+  g_return_val_if_fail (G_IS_NOTIFICATION (notification), NULL);
+
+  return notification->sound_name;
+}
+
+/**
+ * g_notification_set_sound_name:
+ * @notification: a #GNotification
+ * @sound_name: (nullable): the name of the sound requested to be played when 
+ * showing the @notification, or %NULL to play the default sound
+ *
+ * Sets the name of the sound played when showing of @notification to
+ * @sound_name. The name of the sound should follow the freedesktop sound theme
+ * specification (See https://freedesktop.org/wiki/Specifications/sound-theme-spec/
+ * for further information).
+ *
+ * If @sound_name is NULL, the default sound will be played.
+ *
+ * Since: 2.56
+ */
+void
+g_notification_set_sound_name (GNotification *notification,
+                               const gchar   *sound_name)
+{
+  g_return_if_fail (G_IS_NOTIFICATION (notification));
+
+  g_free (notification->sound_name);
+  if (sound_name)
+    {
+      notification->sound_name = g_strdup (sound_name);
+    }
+}

gio/gnotification.h

@@ -92,6 +92,10 @@ void                 g_notification_set_default_action_and_target_value (GNotifi
                                                                          const gchar   *action,
                                                                          GVariant      *target);
 
+GLIB_AVAILABLE_IN_2_56
+void                 g_notification_set_sound_name                      (GNotification *notification,
+                                                                         const gchar   *sound_name);
+
 G_END_DECLS
 
 #endif