Make map handle view changes

With the frameState stuff the map renderer need not listen to view changes. The map renderer receives orders from the map. These orders are renderFrame_ calls with frameState objects representing the current state.

src/ol/map.js

@@ -174,6 +174,12 @@ ol.Map = function(mapOptions) {
    */
   this.target_ = mapOptionsInternal.target;
 
+  /**
+   * @private
+   * @type {?number}
+   */
+  this.viewPropertyListenerKey_ = null;
+
   /**
    * @private
    * @type {Element}
@@ -277,6 +283,8 @@ ol.Map = function(mapOptions) {
    */
   this.tileQueue_ = new ol.TileQueue(goog.bind(this.getTilePriority, this));
 
+  goog.events.listen(this, ol.Object.getChangedEventType(ol.MapProperty.VIEW),
+      this.handleViewChanged_, false, this);
   this.setValues(mapOptionsInternal.values);
 
   this.handleBrowserWindowResize();
@@ -559,6 +567,32 @@ ol.Map.prototype.handleBrowserWindowResize = function() {
 };
 
 
+/**
+ * @private
+ */
+ol.Map.prototype.handleViewPropertyChanged_ = function() {
+  this.render();
+};
+
+
+/**
+ * @private
+ */
+ol.Map.prototype.handleViewChanged_ = function() {
+  if (!goog.isNull(this.viewPropertyListenerKey_)) {
+    goog.events.unlistenByKey(this.viewPropertyListenerKey_);
+    this.viewPropertyListenerKey_ = null;
+  }
+  var view = this.getView();
+  if (goog.isDefAndNotNull(view)) {
+    this.viewPropertyListenerKey_ = goog.events.listen(
+        view, ol.ObjectEventType.CHANGED,
+        this.handleViewPropertyChanged_, false, this);
+  }
+  this.render();
+};
+
+
 /**
  * @return {boolean} Is defined.
  */