From 503b02e85f9cfc4f590fd08f3d741cdedc7b9735 Mon Sep 17 00:00:00 2001
From: Hylke Bons <hylkebons@gmail.com>
Date: Wed, 1 Jun 2011 23:59:18 +0100
Subject: [PATCH] listener irc: only join a channel once

---
 SparkleLib/SparkleListenerIrc.cs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/SparkleLib/SparkleListenerIrc.cs b/SparkleLib/SparkleListenerIrc.cs
index 6410c44b..4418203f 100644
--- a/SparkleLib/SparkleListenerIrc.cs
+++ b/SparkleLib/SparkleListenerIrc.cs
@@ -117,9 +117,11 @@ namespace SparkleLib {
         public override void AlsoListenTo (string folder_identifier)
         {
             string channel = "#" + folder_identifier;
-            SparkleHelpers.DebugInfo ("ListenerIrc", "Joining channel " + channel);
-            base.channels.Add (channel);
-            this.client.RfcJoin (channel);
+            if (!base.channels.Contains (channel)) {
+                SparkleHelpers.DebugInfo ("ListenerIrc", "Joining channel " + channel);
+                base.channels.Add (channel);
+                this.client.RfcJoin (channel);
+            }
         }