Move some touch logic to the handler base class.

lib/OpenLayers/Handler/Feature.js

@@ -59,13 +59,6 @@ OpenLayers.Handler.Feature = OpenLayers.Class(OpenLayers.Handler, {
      * {<OpenLayers.Pixel>} The location of the last mouseup.
      */
     up: null,
-
-    /**
-     * Property: touch
-     * {Boolean} When a touchstart event is fired, touch will be true and all
-     *     mouse related listeners will do nothing.
-     */
-    touch: false,
     
     /**
      * Property: clickTolerance
@@ -139,17 +132,7 @@ OpenLayers.Handler.Feature = OpenLayers.Class(OpenLayers.Handler, {
      * {Boolean} Let the event propagate.
      */
     touchstart: function(evt) {
-        if(!this.touch) {
-            this.touch =  true;
-            this.map.events.un({
-                mousedown: this.mousedown,
-                mouseup: this.mouseup,
-                mousemove: this.mousemove,
-                click: this.click,
-                dblclick: this.dblclick,
-                scope: this
-            });
-        }
+        this.startTouch(); 
         return OpenLayers.Event.isMultiTouch(evt) ?
                 true : this.mousedown(evt);
     },
@@ -395,7 +378,6 @@ OpenLayers.Handler.Feature = OpenLayers.Class(OpenLayers.Handler, {
             this.lastFeature = null;
             this.down = null;
             this.up = null;
-            this.touch = false;
             this.map.events.un({
                 "removelayer": this.handleMapEvents,
                 "changelayer": this.handleMapEvents,