feat(ngInclude): add template url parameter to events

The 'src` (i.e. the url of the template to load) is now provided to the
`$includeContentRequested`, `$includeContentLoaded` and `$includeContentError`
events.

Closes #8453
Closes #8454

src/ng/directive/ngInclude.js

@@ -150,6 +150,9 @@
  * @eventType emit on the scope ngInclude was declared in
  * @description
  * Emitted every time the ngInclude content is requested.
+ *
+ * @param {Object} angularEvent Synthetic event object.
+ * @param {String} src URL of content to load.
  */
 
 
@@ -159,6 +162,9 @@
  * @eventType emit on the current ngInclude scope
  * @description
  * Emitted every time the ngInclude content is reloaded.
+ *
+ * @param {Object} angularEvent Synthetic event object.
+ * @param {String} src URL of content to load.
  */
 
 
@@ -168,6 +174,9 @@
  * @eventType emit on the scope ngInclude was declared in
  * @description
  * Emitted when a template HTTP request yields an erronous response (status < 200 || status > 299)
+ *
+ * @param {Object} angularEvent Synthetic event object.
+ * @param {String} src URL of content to load.
  */
 var ngIncludeDirective = ['$templateRequest', '$anchorScroll', '$animate', '$sce',
                   function($templateRequest,   $anchorScroll,   $animate,   $sce) {
@@ -236,15 +245,15 @@ var ngIncludeDirective = ['$templateRequest', '$anchorScroll', '$animate', '$sce
               currentScope = newScope;
               currentElement = clone;
 
-              currentScope.$emit('$includeContentLoaded');
+              currentScope.$emit('$includeContentLoaded', src);
               scope.$eval(onloadExp);
             }, function() {
               if (thisChangeId === changeCounter) {
                 cleanupLastIncludeContent();
-                scope.$emit('$includeContentError');
+                scope.$emit('$includeContentError', src);
               }
             });
-            scope.$emit('$includeContentRequested');
+            scope.$emit('$includeContentRequested', src);
           } else {
             cleanupLastIncludeContent();
             ctrl.template = null;

test/ng/directive/ngIncludeSpec.js

@@ -121,7 +121,7 @@ describe('ngInclude', function() {
     element = $compile('<div><div><ng:include src="\'url\'"></ng:include></div></div>')($rootScope);
     $rootScope.$digest();
 
-    expect(contentRequestedSpy).toHaveBeenCalledOnce();
+    expect(contentRequestedSpy).toHaveBeenCalledOnceWith(jasmine.any(Object), 'url');
 
     $httpBackend.flush();
   }));
@@ -139,7 +139,7 @@ describe('ngInclude', function() {
     element = $compile('<div><div><ng:include src="\'url\'"></ng:include></div></div>')($rootScope);
     $rootScope.$digest();
 
-    expect(contentLoadedSpy).toHaveBeenCalledOnce();
+    expect(contentLoadedSpy).toHaveBeenCalledOnceWith(jasmine.any(Object), 'url');
   }));
 
 
@@ -161,7 +161,7 @@ describe('ngInclude', function() {
     $httpBackend.flush();
 
     expect(contentLoadedSpy).not.toHaveBeenCalled();
-    expect(contentErrorSpy).toHaveBeenCalledOnce();
+    expect(contentErrorSpy).toHaveBeenCalledOnceWith(jasmine.any(Object), 'tpl.html');
     expect(element.children('div').contents().length).toBe(0);
   }));