From c12a92f9387a797bd21d7f63513fbc7bb71e5702 Mon Sep 17 00:00:00 2001
From: Tim Schaub <tim.schaub@gmail.com>
Date: Fri, 19 Jan 2007 19:41:51 +0000
Subject: [PATCH] clone listeners array before calling callbacks - see #464

git-svn-id: http://svn.openlayers.org/trunk/openlayers@2164 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 lib/OpenLayers/Events.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/OpenLayers/Events.js b/lib/OpenLayers/Events.js
index ac6151139e..17afdfff3b 100644
--- a/lib/OpenLayers/Events.js
+++ b/lib/OpenLayers/Events.js
@@ -272,7 +272,10 @@ OpenLayers.Events.prototype = {
         evt.element = this.element;
 
         // execute all callbacks registered for specified type
-        var listeners = this.listeners[type];
+        // get a clone of the listeners array to
+        // allow for splicing during callbacks
+        var listeners = (this.listeners[type]) ?
+                            this.listeners[type].slice() : null;
         if ((listeners != null) && (listeners.length > 0)) {
             for (var i = 0; i < listeners.length; i++) {
                 var callback = listeners[i];