[vala] GActionGroup bindings: add some metadata

[Ryan Lortie <ryanl src gnome org>]

commit 623161e399eec364f7fb8b47dd631f7372ccf5e6
Author: Ryan Lortie <desrt desrt ca>
Date:   Wed Mar 30 16:11:00 2011 +0530

    GActionGroup bindings: add some metadata

 vapi/gio-2.0.vapi                      |   12 ++++++------
 vapi/packages/gio-2.0/gio-2.0.metadata |    7 +++++++
 2 files changed, 13 insertions(+), 6 deletions(-)
---
diff --git a/vapi/gio-2.0.vapi b/vapi/gio-2.0.vapi
index 4a35269..ab22d42 100644
--- a/vapi/gio-2.0.vapi
+++ b/vapi/gio-2.0.vapi
@@ -1626,15 +1626,15 @@ namespace GLib {
 		public GLib.Variant state { get; set construct; }
 		public GLib.VariantType state_type { get; }
 	}
-	[CCode (cheader_filename = "gio/gio.h")]
+	[CCode (cheader_filename = "gio/gio.h", type_cname = "GActionGroupInterface")]
 	public interface ActionGroup : GLib.Object {
-		public abstract void activate_action (string action_name, GLib.Variant parameter);
+		public abstract void activate_action (string action_name, GLib.Variant? parameter);
 		public abstract void change_action_state (string action_name, GLib.Variant value);
 		public abstract bool get_action_enabled (string action_name);
-		public abstract unowned GLib.VariantType get_action_parameter_type (string action_name);
-		public abstract unowned GLib.Variant get_action_state (string action_name);
-		public abstract unowned GLib.Variant get_action_state_hint (string action_name);
-		public abstract unowned GLib.VariantType get_action_state_type (string action_name);
+		public abstract unowned GLib.VariantType? get_action_parameter_type (string action_name);
+		public abstract GLib.Variant? get_action_state (string action_name);
+		public abstract GLib.Variant? get_action_state_hint (string action_name);
+		public abstract unowned GLib.VariantType? get_action_state_type (string action_name);
 		public abstract bool has_action (string action_name);
 		[CCode (array_length = false, array_null_terminated = true)]
 		public abstract string[] list_actions ();
diff --git a/vapi/packages/gio-2.0/gio-2.0.metadata b/vapi/packages/gio-2.0/gio-2.0.metadata
index 52c9f60..360b2bb 100644
--- a/vapi/packages/gio-2.0/gio-2.0.metadata
+++ b/vapi/packages/gio-2.0/gio-2.0.metadata
@@ -289,10 +289,17 @@ g_application_command_line_get_arguments.argc hidden="1"
 g_application_command_line_get_platform_data nullable="1" transfer_ownership="1"
 g_application_local_command_line.arguments is_array="1" no_array_length="1" array_null_terminated="1" is_ref="1"
 g_application_local_command_line.exit_status is_out="1"
+
+GActionGroup type_cname="GActionGroupInterface"
 GActionGroup::action_added has_emitter="1"
 GActionGroup::action_removed has_emitter="1"
 GActionGroup::action_enabled_changed has_emitter="1"
 GActionGroup::action_state_changed has_emitter="1"
+g_action_group_activate_action.parameter nullable="1"
+g_action_group_get_action_parameter_type nullable="1"
+g_action_group_get_action_state nullable="1" transfer_ownership="1"
+g_action_group_get_action_state_hint nullable="1" transfer_ownership="1"
+g_action_group_get_action_state_type nullable="1"
 g_action_group_list_actions is_array="1" transfer_ownership="1" no_array_length="1" array_null_terminated="1"
 
 g_cancellable_set_error_if_cancelled error_types="IOError"