Listen to IE pointer events

src/ol/mapbrowserevent.js

@@ -49,6 +49,20 @@ ol.MapBrowserEvent = function(type, map, browserEvent, opt_frameState) {
 goog.inherits(ol.MapBrowserEvent, ol.MapEvent);
 
 
+/**
+ * IE specific events.
+ * See http://msdn.microsoft.com/en-us/library/ie/hh673557(v=vs.85).aspx
+ * FIXME: replace with goog.events.EventType enum once we use
+ *        goog/events/eventtype.js above r2211
+ * @enum {string}
+ */
+ol.MapBrowserEvent.IEEventType = {
+  MSPOINTERDOWN: 'MSPointerDown',
+  MSPOINTERMOVE: 'MSPointerMove',
+  MSPOINTERUP: 'MSPointerUp'
+};
+
+
 /**
  * @return {ol.Coordinate} Coordinate.
  */
@@ -159,15 +173,18 @@ ol.MapBrowserEventHandler = function(map) {
         this.handleMouseDown_, false, this);
   } else {
     this.touchListenerKeys_ = [
-      goog.events.listen(element,
-          goog.events.EventType.TOUCHSTART,
-          this.handleTouchStart_, false, this),
-      goog.events.listen(element,
-          goog.events.EventType.TOUCHMOVE,
-          this.handleTouchMove_, false, this),
-      goog.events.listen(element,
-          goog.events.EventType.TOUCHEND,
-          this.handleTouchEnd_, false, this)
+      goog.events.listen(element, [
+        goog.events.EventType.TOUCHSTART,
+        ol.MapBrowserEvent.IEEventType.MSPOINTERDOWN
+      ], this.handleTouchStart_, false, this),
+      goog.events.listen(element, [
+        goog.events.EventType.TOUCHMOVE,
+        ol.MapBrowserEvent.IEEventType.MSPOINTERMOVE
+      ], this.handleTouchMove_, false, this),
+      goog.events.listen(element, [
+        goog.events.EventType.TOUCHEND,
+        ol.MapBrowserEvent.IEEventType.MSPOINTERUP
+      ], this.handleTouchEnd_, false, this)
     ];
   }
 };