Merge pull request #1865 from fredj/device-orientation

Make ol.DeviceOrientation dispatch change events

examples/device-orientation.js

@@ -24,12 +24,11 @@ var deviceOrientation = new ol.DeviceOrientation();
 var track = new ol.dom.Input(document.getElementById('track'));
 track.bindTo('checked', deviceOrientation, 'tracking');
 
-deviceOrientation.on('propertychange', function(event) {
-  // event.key is the changed property name
-  var element = document.getElementById(event.key);
-  if (element) {
-    element.innerHTML = deviceOrientation.get(event.key);
-  }
+deviceOrientation.on('change', function(event) {
+  $('#alpha').text(deviceOrientation.getAlpha() + ' [rad]');
+  $('#beta').text(deviceOrientation.getBeta() + ' [rad]');
+  $('#gamma').text(deviceOrientation.getGamma() + ' [rad]');
+  $('#heading').text(deviceOrientation.getHeading() + ' [rad]');
 });
 
 // tilt the map

src/ol/deviceorientation.js

@@ -140,6 +140,7 @@ ol.DeviceOrientation.prototype.orientationChange_ = function(browserEvent) {
     this.set(ol.DeviceOrientationProperty.GAMMA,
         goog.math.toRadians(event.gamma));
   }
+  this.dispatchChangeEvent();
 };