[glib-controller] iterable: Remove the iterator_type field

[Emmanuele Bassi <ebassi src gnome org>]

commit 165195b049245d1ef8a60d2626f6e69003166a31
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Wed Mar 7 16:29:12 2012 +0000

    iterable: Remove the iterator_type field
    
    Iterable types need to override create_iterator(); just providing a type
    is not enough, and it's usually pretty hard to do when using bindings.

 glib-controller/giterable.c |    8 ++------
 glib-controller/giterable.h |    2 --
 2 files changed, 2 insertions(+), 8 deletions(-)
---
diff --git a/glib-controller/giterable.c b/glib-controller/giterable.c
index 6070df4..7a8dbce 100644
--- a/glib-controller/giterable.c
+++ b/glib-controller/giterable.c
@@ -8,11 +8,8 @@ G_DEFINE_INTERFACE (GIterable, g_iterable, G_TYPE_OBJECT)
 static GIterator *
 g_iterable_real_create_iterator (GIterable *iterable)
 {
-  GIterableInterface *iface = G_ITERABLE_GET_INTERFACE (iterable);
-
-  if (iface->iterator_type != G_TYPE_INVALID &&
-      g_type_is_a (iface->iterator_type, G_TYPE_ITERATOR))
-    return g_iterator_create (iface->iterator_type);
+  g_warning ("The iterable of type '%s' does not implement the GIterable::create_iterator virtual function",
+             G_OBJECT_TYPE_NAME (iterable));
 
   return NULL;
 }
@@ -20,7 +17,6 @@ g_iterable_real_create_iterator (GIterable *iterable)
 static void
 g_iterable_default_init (GIterableInterface *iface)
 {
-  iface->iterator_type = G_TYPE_INVALID;
   iface->create_iterator = g_iterable_real_create_iterator;
 }
 
diff --git a/glib-controller/giterable.h b/glib-controller/giterable.h
index 6a09573..c5fe8b6 100644
--- a/glib-controller/giterable.h
+++ b/glib-controller/giterable.h
@@ -13,8 +13,6 @@ struct _GIterableInterface
 {
   GTypeInterface g_iface;
 
-  GType iterator_type;
-
   GIterator *(* create_iterator) (GIterable *iterable);
 };