fix(ngEventDirs): check $$phase in handler to prevent inprog errors

Fixes angular#5945
Closes angular#5402

Author: Narretz

src/ng/directive/ngEventDirs.js

@@ -31,7 +31,7 @@
    </example>
  */
 /*
- * A directive that allows creation of custom onclick handlers that are defined as angular
+ * A directive that allows creation of custom event handlers that are defined as angular
  * expressions and are compiled and executed within the current scope.
  *
  * Events that are handled via these handler are always configured not to propagate further.
@@ -47,9 +47,13 @@ forEach(
           var fn = $parse(attr[directiveName]);
           return function ngEventHandler(scope, element) {
             element.on(lowercase(name), function(event) {
-              scope.$apply(function() {
+              if (scope.$$phase) {
                 fn(scope, {$event:event});
-              });
+              } else {
+                scope.$apply(function() {
+                  fn(scope, {$event:event});
+                });
+              }
             });
           };
         }

test/ng/directive/ngEventDirsSpec.js

@@ -39,4 +39,38 @@ describe('event directives', function() {
       expect($rootScope.formSubmitted).toEqual('foo');
     }));
   });
+
+  describe('ngBlur', function() {
+    it('should get called when ngKeydown triggers blur', inject(function($rootScope, $compile) {
+      $rootScope.blur = function() {
+        browserTrigger(element, 'blur');
+      };
+
+      element = $compile('<input type="text" ng-blur="blurred = true" ng-keydown="blur()" />')($rootScope);
+
+      $rootScope.$digest();
+      expect($rootScope.blurred).not.toBeDefined();
+
+      browserTrigger(element, 'keydown');
+      expect($rootScope.blurred).toEqual(true);
+    }));
+  });
+
+  describe('ngFocus', function() {
+    it('should get called when ngClick triggers focus', inject(function($rootScope, $compile) {
+      $rootScope.focus = function() {
+        browserTrigger(element.children()[0], 'focus');
+      };
+
+      element = $compile('<div><input type="text" ng-focus="focused = true" />' +
+        '<button type="button" ng-click="focus()"></button></div>')($rootScope);
+
+      $rootScope.$digest();
+      expect($rootScope.focused).not.toBeDefined();
+
+      browserTrigger(element.children()[1], 'click');
+      expect($rootScope.focused).toEqual(true);
+    }));
+  });
+
 });