From f2f18ebb278f66f09995148cf9790ed469f6357f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Thu, 5 Apr 2018 12:14:27 +0300
Subject: [PATCH] Fix ElementImplExt::catch_panic_pad_function() to actually
 work

---
 gst-plugin/src/element.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gst-plugin/src/element.rs b/gst-plugin/src/element.rs
index 89917bb70..99dc26efd 100644
--- a/gst-plugin/src/element.rs
+++ b/gst-plugin/src/element.rs
@@ -70,8 +70,11 @@ impl<S: ElementImpl<T>, T: ObjectType + glib::IsA<gst::Element> + glib::IsA<gst:
         fallback: G,
         f: F,
     ) -> R {
+        // FIXME: Does this work for element subclasses?
         let element = parent.as_ref().cloned().unwrap().downcast::<T>().unwrap();
-        let imp = Any::downcast_ref::<Self>(element.get_impl()).unwrap();
+        let imp = element.get_impl();
+        let imp = Any::downcast_ref::<Box<ElementImpl<T> + 'static>>(imp).unwrap();
+        let imp = imp.downcast_ref::<S>().unwrap();
         element.catch_panic(fallback, |element| f(imp, element))
     }
 }