Add method to bind bluring on mouseout/focusout

src/ol/control/control.js

@@ -3,6 +3,7 @@ goog.provide('ol.control.Control');
 goog.require('goog.array');
 goog.require('goog.dom');
 goog.require('goog.events');
+goog.require('goog.events.EventType');
 goog.require('ol.MapEventType');
 goog.require('ol.Object');
 
@@ -78,6 +79,24 @@ ol.control.Control = function(options) {
 goog.inherits(ol.control.Control, ol.Object);
 
 
+/**
+ * Bind a listener that blurs the passed element on any mouseout- or
+ * focusout-event.
+ *
+ * @param {!Element} button The button which shall blur on mouseout- or
+ *     focusout-event.
+ * @protected
+ */
+ol.control.Control.bindMouseOutFocusOutBlur = function(button) {
+  goog.events.listen(button, [
+    goog.events.EventType.MOUSEOUT,
+    goog.events.EventType.FOCUSOUT
+  ], /** @this {Element} */ function() {
+    this.blur();
+  }, false);
+};
+
+
 /**
  * @inheritDoc
  */

src/ol/control/fullscreencontrol.js

@@ -67,12 +67,7 @@ ol.control.FullScreen = function(opt_options) {
   goog.events.listen(button, goog.events.EventType.CLICK,
       this.handleClick_, false, this);
 
-  goog.events.listen(button, [
-    goog.events.EventType.MOUSEOUT,
-    goog.events.EventType.FOCUSOUT
-  ], function() {
-    this.blur();
-  }, false);
+  ol.control.Control.bindMouseOutFocusOutBlur(button);
 
   goog.events.listen(goog.global.document,
       goog.dom.fullscreen.EventType.CHANGE,

src/ol/control/overviewmapcontrol.js

@@ -90,12 +90,7 @@ ol.control.OverviewMap = function(opt_options) {
   goog.events.listen(button, goog.events.EventType.CLICK,
       this.handleClick_, false, this);
 
-  goog.events.listen(button, [
-    goog.events.EventType.MOUSEOUT,
-    goog.events.EventType.FOCUSOUT
-  ], function() {
-    this.blur();
-  }, false);
+  ol.control.Control.bindMouseOutFocusOutBlur(button);
 
   var ovmapDiv = goog.dom.createDom(goog.dom.TagName.DIV, 'ol-overviewmap-map');
 

src/ol/control/rotatecontrol.js

@@ -60,12 +60,7 @@ ol.control.Rotate = function(opt_options) {
   goog.events.listen(button, goog.events.EventType.CLICK,
       ol.control.Rotate.prototype.handleClick_, false, this);
 
-  goog.events.listen(button, [
-    goog.events.EventType.MOUSEOUT,
-    goog.events.EventType.FOCUSOUT
-  ], function() {
-    this.blur();
-  }, false);
+  ol.control.Control.bindMouseOutFocusOutBlur(button);
 
   var cssClasses = className + ' ' + ol.css.CLASS_UNSELECTABLE + ' ' +
       ol.css.CLASS_CONTROL;

src/ol/control/zoomcontrol.js

@@ -50,12 +50,7 @@ ol.control.Zoom = function(opt_options) {
       goog.events.EventType.CLICK, goog.partial(
           ol.control.Zoom.prototype.handleClick_, delta), false, this);
 
-  goog.events.listen(inElement, [
-    goog.events.EventType.MOUSEOUT,
-    goog.events.EventType.FOCUSOUT
-  ], function() {
-    this.blur();
-  }, false);
+  ol.control.Control.bindMouseOutFocusOutBlur(inElement);
 
   var outElement = goog.dom.createDom(goog.dom.TagName.BUTTON, {
     'class': className + '-out',

src/ol/control/zoomtoextentcontrol.js

@@ -43,12 +43,7 @@ ol.control.ZoomToExtent = function(opt_options) {
   goog.events.listen(button, goog.events.EventType.CLICK,
       this.handleClick_, false, this);
 
-  goog.events.listen(button, [
-    goog.events.EventType.MOUSEOUT,
-    goog.events.EventType.FOCUSOUT
-  ], function() {
-    this.blur();
-  }, false);
+  ol.control.Control.bindMouseOutFocusOutBlur(button);
 
   var cssClasses = className + ' ' + ol.css.CLASS_UNSELECTABLE + ' ' +
       ol.css.CLASS_CONTROL;