From 18ca92eccd8476632751779626747602c01268b8 Mon Sep 17 00:00:00 2001
From: Steven Kirk <steven.kirk@tricycleinc.com>
Date: Fri, 13 Feb 2015 14:26:10 +0100
Subject: [PATCH] Share animation timer.

Previously every new subscription was creating a new timer. Using
Publish().RefCount() makes all subscriptions share the same one.
---
 Perspex.Animation/Animate.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Perspex.Animation/Animate.cs b/Perspex.Animation/Animate.cs
index 266585a13f..1deb8e3061 100644
--- a/Perspex.Animation/Animate.cs
+++ b/Perspex.Animation/Animate.cs
@@ -34,7 +34,10 @@ namespace Perspex.Animation
         {
             Stopwatch = new Stopwatch();
             Stopwatch.Start();
-            Timer = Observable.Interval(Tick, PerspexScheduler.Instance).Select(_ => Stopwatch.Elapsed);
+            Timer = Observable.Interval(Tick, PerspexScheduler.Instance)
+                .Select(_ => Stopwatch.Elapsed)
+                .Publish()
+                .RefCount();
         }
 
         /// <summary>