[gnome-shell] windowManager: Handle MetaDisplay::show-osd signal

[Carlos Garnacho <carlosg src gnome org>]

commit c3cdbd0dacfff16d38b8e96f77a27722c388bb32
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Dec 28 12:14:32 2016 +0100

    windowManager: Handle MetaDisplay::show-osd signal
    
    Propagate as-is to the OsdWindowManager.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=771098

 js/ui/windowManager.js |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/windowManager.js b/js/ui/windowManager.js
index 7fe4ac3..624eb73 100644
--- a/js/ui/windowManager.js
+++ b/js/ui/windowManager.js
@@ -920,6 +920,10 @@ const WindowManager = new Lang.Class({
 
         global.display.connect('show-resize-popup', Lang.bind(this, this._showResizePopup));
         global.display.connect('show-pad-osd', Lang.bind(this, this._showPadOsd));
+        global.display.connect('show-osd', Lang.bind(this, function (display, monitorIndex, iconName, label) 
{
+            let icon = Gio.Icon.new_for_string(iconName);
+            Main.osdWindowManager.show(monitorIndex, icon, label, null);
+        }));
 
         Main.overview.connect('showing', Lang.bind(this, function() {
             for (let i = 0; i < this._dimmedWindows.length; i++)