From 6e2f0dce76c322d693cfa67b26da0817a7d46c56 Mon Sep 17 00:00:00 2001
From: tsauerwein <tobias.sauerwein@camptocamp.com>
Date: Mon, 10 Mar 2014 14:58:07 +0100
Subject: [PATCH] Work on a copy of `changedTouches`

On Opera Mobile 11.10 it is not possible to
directly work on `changedTouches` (e.g. map
fails). That is why a copy is made first.
---
 src/ol/pointer/touchsource.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ol/pointer/touchsource.js b/src/ol/pointer/touchsource.js
index 63af0d7588..08197ded26 100644
--- a/src/ol/pointer/touchsource.js
+++ b/src/ol/pointer/touchsource.js
@@ -230,7 +230,8 @@ ol.pointer.TouchSource.prototype.touchToPointer_ =
 ol.pointer.TouchSource.prototype.processTouches_ =
     function(inEvent, inFunction) {
   var tl = inEvent.getBrowserEvent().changedTouches;
-  var pointers = goog.array.map(tl,
+  var touchesCopy = goog.array.clone(tl);
+  var pointers = goog.array.map(touchesCopy,
       goog.partial(this.touchToPointer_, inEvent), this);
   // forward touch preventDefaults
   goog.array.forEach(pointers, function(p) {