From 93687c1491e8df144829804e7d7c142ca70d9f32 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Thu, 1 Jan 2015 12:37:38 +0100
Subject: [PATCH] Disable Growl notifications if register() fails - this
 prevents a deadlock on growler->notify()

---
 lib/Slic3r/GUI/Notifier.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Slic3r/GUI/Notifier.pm b/lib/Slic3r/GUI/Notifier.pm
index 78d31de3c..d347b74b3 100644
--- a/lib/Slic3r/GUI/Notifier.pm
+++ b/lib/Slic3r/GUI/Notifier.pm
@@ -14,6 +14,8 @@ sub BUILD {
             $self->growler(Growl::GNTP->new(AppName => 'Slic3r', AppIcon => $icon));
             $self->growler->register([{Name => 'SKEIN_DONE', DisplayName => 'Slicing Done'}]);
         };
+        # if register() fails (for example because of a timeout), disable growler at all
+        $self->growler(undef) if $@;
     }
 }