Layer loads should be handled by LayerRenderers, not the Map

src/ol/base/layerrenderer.js

@@ -1,6 +1,7 @@
 goog.provide('ol.LayerRenderer');
 
 goog.require('goog.events');
+goog.require('goog.events.EventType');
 goog.require('ol.Layer');
 goog.require('ol.LayerProperty');
 goog.require('ol.Object');
@@ -41,6 +42,9 @@ ol.LayerRenderer = function(map, layer) {
       ol.Object.getChangedEventType(ol.LayerProperty.HUE),
       this.handleLayerHueChange, false, this);
 
+  goog.events.listen(this.layer_, goog.events.EventType.LOAD,
+      this.handleLayerLoad, false, this);
+
   goog.events.listen(this.layer_,
       ol.Object.getChangedEventType(ol.LayerProperty.OPACITY),
       this.handleLayerOpacityChange, false, this);
@@ -97,6 +101,12 @@ ol.LayerRenderer.prototype.handleLayerHueChange = goog.nullFunction;
 ol.LayerRenderer.prototype.handleLayerOpacityChange = goog.nullFunction;
 
 
+/**
+ * @protected
+ */
+ol.LayerRenderer.prototype.handleLayerLoad = goog.nullFunction;
+
+
 /**
  * @protected
  */

src/ol/base/map.js

@@ -511,15 +511,6 @@ ol.Map.prototype.handleLayerAdd = function(layer) {
   }
   var layerRenderer = this.createLayerRenderer(layer);
   this.setLayerRenderer(layer, layerRenderer);
-  goog.events.listen(layer, goog.events.EventType.LOAD, this.handleLayerLoad,
-      false, this);
-};
-
-
-/**
- */
-ol.Map.prototype.handleLayerLoad = function() {
-  this.render();
 };
 
 
@@ -528,8 +519,6 @@ ol.Map.prototype.handleLayerLoad = function() {
  * @protected
  */
 ol.Map.prototype.handleLayerRemove = function(layer) {
-  goog.events.unlisten(layer, goog.events.EventType.LOAD, this.handleLayerLoad,
-      false, this);
   this.removeLayerRenderer(layer);
 };
 

src/ol/webgl/layerrenderer.js

@@ -80,6 +80,14 @@ ol.webgl.LayerRenderer.prototype.handleLayerHueChange = function() {
 };
 
 
+/**
+ * @inheritDoc
+ */
+ol.webgl.LayerRenderer.prototype.handleLayerLoad = function() {
+  this.dispatchChangeEvent();
+};
+
+
 /**
  * @inheritDoc
  */