[gjs] arg: Wrap GParamSpec values when sending them to JS

[Jasper St. Pierre <jstpierre src gnome org>]

commit c90eceff388c8748df5b513a449d1f692d85b064
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Nov 30 15:46:15 2011 -0500

    arg: Wrap GParamSpec values when sending them to JS
    
    We need to do this, otherwise a property handler can't get its own pspec.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=665432

 gi/arg.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gi/arg.c b/gi/arg.c
index 33513a5..631c416 100644
--- a/gi/arg.c
+++ b/gi/arg.c
@@ -28,6 +28,7 @@
 #include "foreign.h"
 #include "boxed.h"
 #include "union.h"
+#include "param.h"
 #include "value.h"
 #include "gjs/byteArray.h"
 #include <gjs/gjs-module.h>
@@ -2291,6 +2292,11 @@ gjs_value_from_g_argument (JSContext  *context,
                           g_type_name(gtype),
                           interface_type);
                 return JS_FALSE;
+            } else if (g_type_is_a(gtype, G_TYPE_PARAM)) {
+                JSObject *obj;
+                obj = gjs_param_from_g_param(context, G_PARAM_SPEC(arg->v_pointer));
+                if (obj)
+                    value = OBJECT_TO_JSVAL(obj);
             } else if (gtype == G_TYPE_NONE) {
                 gjs_throw(context, "Unexpected unregistered type packing GArgument into jsval");
             } else {