[glib-controller] Add more actions for GController

[Emmanuele Bassi <ebassi src gnome org>]

commit 6cf291180d48ee33696fecdad7a96a6d8c52ba20
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Thu Apr 29 16:57:43 2010 +0100

    Add more actions for GController
    
    GController should be able to describe complex actions, like clearing
    the storage or replacing it with a new one.
    
    We also need an "invalid" value for error states.

 glib-controller/gcontrollertypes.h |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/glib-controller/gcontrollertypes.h b/glib-controller/gcontrollertypes.h
index f2f89dd..446dd0d 100644
--- a/glib-controller/gcontrollertypes.h
+++ b/glib-controller/gcontrollertypes.h
@@ -59,21 +59,32 @@ typedef struct _GHashController         GHashController;
 
 /**
  * GControllerAction:
+ * @G_CONTROLLER_INVALID: Marker for initial/error state
  * @G_CONTROLLER_ADD: New items have been added to the storage
  *   controlled by a #GController
  * @G_CONTROLLER_REMOVE: Items have been removed from the storage
  *   controlled by a #GController
  * @G_CONTROLLER_UPDATE: Items have been updated in the storage
  *   controlled by a #GController
+ * @G_CONTROLLER_CLEAR: The storage controlled by a #GController
+ *   has been cleared; semantically, it's the equivalent of a
+ *   %G_CONTROLLER_REMOVE for every index of the storage
+ * @G_CONTROLLER_REPLACE: The storage controlled by a #GController
+ *   has been completely replaced; semantically, it's the equivalent
+ *   of a %G_CONTROLLER_REMOVE for every index of the old storage
+ *   and a %G_CONTROLLER_ADD for every index of the new storage
  *
  * The available actions supported by a #GController
  *
  * This enumeration might be extended at later date
  */
 typedef enum { /*< prefix=G_CONTROLLER >*/
+  G_CONTROLLER_INVALID,
   G_CONTROLLER_ADD,
   G_CONTROLLER_REMOVE,
-  G_CONTROLLER_UPDATE
+  G_CONTROLLER_UPDATE,
+  G_CONTROLLER_CLEAR,
+  G_CONTROLLER_REPLACE
 } GControllerAction;
 
 G_END_DECLS