Add tile loading events to image tile sources

examples/tile-load-events.js

@@ -0,0 +1,35 @@
+goog.require('ol.Map');
+goog.require('ol.View');
+goog.require('ol.control');
+goog.require('ol.layer.Tile');
+goog.require('ol.source.OSM');
+
+
+var source = new ol.source.OSM();
+source.on('tileloadstart', function(event) {
+  console.log('start', event.tile.getImage().src);
+});
+source.on('tileloadend', function(event) {
+  console.log('end', event.tile.getImage().src);
+});
+source.on('tileloaderror', function(event) {
+  console.log('error', event.tile.getImage().src);
+});
+
+
+var map = new ol.Map({
+  layers: [
+    new ol.layer.Tile({source: source})
+  ],
+  controls: ol.control.defaults({
+    attributionOptions: /** @type {olx.control.AttributionOptions} */ ({
+      collapsible: false
+    })
+  }),
+  renderer: exampleNS.getRendererFromQueryString(),
+  target: 'map',
+  view: new ol.View({
+    center: [0, 0],
+    zoom: 2
+  })
+});