event-dispatcher: expose iterator to iterate over the registered hooks

lib/wp/event-dispatcher.c

@@ -603,3 +603,18 @@ wp_event_dispatcher_unregister_hook (WpEventDispatcher * self,
   wp_event_hook_set_dispatcher (hook, NULL);
   g_ptr_array_remove_fast (self->hooks, hook);
 }
+
+/*!
+ * \brief Returns an iterator to iterate over all the registered hooks
+ * \ingroup wpeventdispatcher
+ *
+ * \param self the event dispatcher
+ * \return (transfer full): a new iterator
+ */
+WpIterator *
+wp_event_dispatcher_new_hooks_iterator (WpEventDispatcher * self)
+{
+  GPtrArray *items =
+      g_ptr_array_copy (self->hooks, (GCopyFunc) g_object_ref, NULL);
+  return wp_iterator_new_ptr_array (items, WP_TYPE_EVENT_HOOK);
+}

lib/wp/event-dispatcher.h

@@ -85,6 +85,9 @@ WP_API
 void wp_event_dispatcher_unregister_hook (WpEventDispatcher * self,
     WpEventHook * hook);
 
+WP_API
+WpIterator * wp_event_dispatcher_new_hooks_iterator (WpEventDispatcher * self);
+
 G_END_DECLS
 
 #endif