refactor(VmTurnZone): renamed to NgZone

BREAKING CHANGE:

VmTurnZone has been renamed to NgZone.

- The public API has not chnanged,
- The "outer" zone is now named "mount" zone (private to NgZone).

Author: vicb

modules/angular2/src/core/application.js

@@ -12,7 +12,7 @@ import {TemplateResolver} from './compiler/template_resolver';
 import {DirectiveMetadataReader} from './compiler/directive_metadata_reader';
 import {List, ListWrapper} from 'angular2/src/facade/collection';
 import {Promise, PromiseWrapper} from 'angular2/src/facade/async';
-import {VmTurnZone} from 'angular2/src/core/zone/vm_turn_zone';
+import {NgZone} from 'angular2/src/core/zone/ng_zone';
 import {LifeCycle} from 'angular2/src/core/life_cycle/life_cycle';
 import {ShadowDomStrategy} from 'angular2/src/render/dom/shadow_dom/shadow_dom_strategy';
 import {EmulatedUnscopedShadowDomStrategy} from 'angular2/src/render/dom/shadow_dom/emulated_unscoped_shadow_dom_strategy';
@@ -77,10 +77,10 @@ function _injectorBindings(appComponentType): List<Binding> {
       bind(appComponentType).toFactory((ref) => ref.instance,
           [appComponentRefToken]),
       bind(LifeCycle).toFactory((exceptionHandler) => new LifeCycle(exceptionHandler, null, assertionsEnabled()),[ExceptionHandler]),
-      bind(EventManager).toFactory((zone) => {
+      bind(EventManager).toFactory((ngZone) => {
         var plugins = [new HammerGesturesPlugin(), new KeyEventsPlugin(), new DomEventsPlugin()];
-        return new EventManager(plugins, zone);
-      }, [VmTurnZone]),
+        return new EventManager(plugins, ngZone);
+      }, [NgZone]),
       bind(ShadowDomStrategy).toFactory(
           (styleUrlResolver, doc) => new EmulatedUnscopedShadowDomStrategy(styleUrlResolver, doc.head),
           [StyleUrlResolver, DOCUMENT_TOKEN]),
@@ -123,7 +123,7 @@ function _injectorBindings(appComponentType): List<Binding> {
   ];
 }
 
-function _createVmZone(givenReporter:Function): VmTurnZone {
+function _createNgZone(givenReporter:Function): NgZone {
   var defaultErrorReporter = (exception, stackTrace) => {
     var longStackTrace = ListWrapper.join(stackTrace, "\n\n-----async gap-----\n");
     DOM.logError(`${exception}\n\n${longStackTrace}`);
@@ -132,7 +132,7 @@ function _createVmZone(givenReporter:Function): VmTurnZone {
 
   var reporter = isPresent(givenReporter) ? givenReporter : defaultErrorReporter;
 
-  var zone = new VmTurnZone({enableLongStackTrace: assertionsEnabled()});
+  var zone = new NgZone({enableLongStackTrace: assertionsEnabled()});
   zone.initCallbacks({onErrorHandler: reporter});
   return zone;
 }
@@ -247,7 +247,7 @@ export function bootstrap(appComponentType: Type,
   BrowserDomAdapter.makeCurrent();
   var bootstrapProcess = PromiseWrapper.completer();
 
-  var zone = _createVmZone(errorReporter);
+  var zone = _createNgZone(errorReporter);
   zone.run(() => {
     // TODO(rado): prepopulate template cache, so applications with only
     // index.html and main.js are possible.
@@ -295,11 +295,11 @@ export class ApplicationRef {
   }
 }
 
-function _createAppInjector(appComponentType: Type, bindings: List<Binding>, zone: VmTurnZone): Injector {
+function _createAppInjector(appComponentType: Type, bindings: List<Binding>, zone: NgZone): Injector {
   if (isBlank(_rootInjector)) _rootInjector = Injector.resolveAndCreate(_rootBindings);
   var mergedBindings = isPresent(bindings) ?
       ListWrapper.concat(_injectorBindings(appComponentType), bindings) :
       _injectorBindings(appComponentType);
-  ListWrapper.push(mergedBindings, bind(VmTurnZone).toValue(zone));
+  ListWrapper.push(mergedBindings, bind(NgZone).toValue(zone));
   return _rootInjector.resolveAndCreateChild(mergedBindings);
 }

modules/angular2/src/core/life_cycle/life_cycle.js

@@ -1,6 +1,6 @@
 import {Injectable} from 'angular2/src/di/annotations_impl';
 import {ChangeDetector} from 'angular2/change_detection';
-import {VmTurnZone} from 'angular2/src/core/zone/vm_turn_zone';
+import {NgZone} from 'angular2/src/core/zone/ng_zone';
 import {ExceptionHandler} from 'angular2/src/core/exception_handler';
 import {isPresent} from 'angular2/src/facade/lang';
 
@@ -46,7 +46,7 @@ export class LifeCycle {
   /**
    * @private
    */
-  registerWith(zone:VmTurnZone, changeDetector:ChangeDetector = null) {
+  registerWith(zone:NgZone, changeDetector:ChangeDetector = null) {
     if (isPresent(changeDetector)) {
       this._changeDetector=changeDetector;
     }

modules/angular2/src/core/zone/vm_turn_zone.cjs renamed to modules/angular2/src/core/zone/ng_zone.cjs

@@ -1,6 +1,6 @@
 // TODO(vicb): implement this class properly
 // The current stub implementation is only here to please cjs tests
-export class VmTurnZone {
+export class NgZone {
   constructor({enableLongStackTrace}) {
   }
 

modules/angular2/src/core/zone/vm_turn_zone.dart renamed to modules/angular2/src/core/zone/ng_zone.dart

@@ -12,20 +12,20 @@ import 'package:stack_trace/stack_trace.dart' show Chain;
  *
  * A VM turn consist of a single macrotask followed 0 to many microtasks.
  *
- * The wrapper maintains an "inner" and "outer" `Zone`. The application code will executes
+ * The wrapper maintains an "inner" and "mount" `Zone`. The application code will executes
  * in the "inner" zone unless `runOutsideAngular` is explicitely called.
  *
- * A typical application will create a singleton `VmTurnZone`. The outer `Zone` is a fork of the root
- * `Zone`. The default `onTurnDone` runs the Angular change detection.
+ * A typical application will create a singleton `NgZone`. The mount zone is the `Zone` where the singleton has been
+ * instantiated. The default `onTurnDone` runs the Angular change detection.
  */
-class VmTurnZone {
+class NgZone {
   Function _onTurnStart;
   Function _onTurnDone;
   Function _onErrorHandler;
 
-  // Code executed in _outerZone does not trigger the onTurnDone.
-  Zone _outerZone;
-  // _innerZone is the child of _outerZone. Any code executed in this zone will trigger the
+  // Code executed in _mountZone does not trigger the onTurnDone.
+  Zone _mountZone;
+  // _innerZone is the child of _mountZone. Any code executed in this zone will trigger the
   // onTurnDone hook at the end of the current VM turn.
   Zone _innerZone;
 
@@ -42,14 +42,14 @@ class VmTurnZone {
   /**
    * Associates with this
    *
-   * - an "outer" [Zone], which is a the one that created this.
-   * - an "inner" [Zone], which is a child of the outer [Zone].
+   * - a "mount" [Zone], which is a the one that instantiated this.
+   * - an "inner" [Zone], which is a child of the mount [Zone].
    *
    * @param {bool} enableLongStackTrace whether to enable long stack trace. They should only be
    *               enabled in development mode as they significantly impact perf.
    */
-  VmTurnZone({bool enableLongStackTrace}) {
-    _outerZone = Zone.current;
+  NgZone({bool enableLongStackTrace}) {
+    _mountZone = Zone.current;
 
     if (enableLongStackTrace) {
       _innerZone = Chain.capture(
@@ -68,7 +68,7 @@ class VmTurnZone {
    * Initializes the zone hooks.
    *
    * The given error handler should re-throw the passed exception. Otherwise, exceptions will not
-   * propagate outside of the [VmTurnZone] and can alter the application execution flow.
+   * propagate outside of the [NgZone] and can alter the application execution flow.
    * Not re-throwing could be used to help testing the code or advanced use cases.
    *
    * @param {Function} onTurnStart called before code executes in the inner zone for each VM turn
@@ -88,7 +88,7 @@ class VmTurnZone {
    * Angular's auto digest mechanism.
    *
    * ```
-   * VmTurnZone zone = <ref to the application zone>;
+   * NgZone zone = <ref to the application zone>;
    *
    * void functionCalledFromJS() {
    *   zone.run(() {
@@ -105,13 +105,13 @@ class VmTurnZone {
   }
 
   /**
-   * Runs `fn` in the outer zone and returns whatever it returns.
+   * Runs `fn` in the mount zone and returns whatever it returns.
    *
    * In a typical app where the inner zone is the Angular zone, this allows one to escape Angular's
    * auto-digest mechanism.
    *
    * ```
-   * void myFunction(VmTurnZone zone, Element element) {
+   * void myFunction(NgZone zone, Element element) {
    *   element.onClick.listen(() {
    *     // auto-digest will run after element click.
    *   });
@@ -124,7 +124,7 @@ class VmTurnZone {
    * ```
    */
   dynamic runOutsideAngular(fn()) {
-    return _outerZone.run(fn);
+    return _mountZone.run(fn);
   }
 
   void _maybeStartVmTurn(ZoneDelegate parent) {

modules/angular2/src/core/zone/vm_turn_zone.es6 renamed to modules/angular2/src/core/zone/ng_zone.es6

@@ -4,30 +4,30 @@ import {normalizeBlank, isPresent, global} from 'angular2/src/facade/lang';
 /**
  * A wrapper around zones that lets you schedule tasks after it has executed a task.
  *
- * The wrapper maintains an "inner" and "outer" `Zone`. The application code will executes
+ * The wrapper maintains an "inner" and an "mount" `Zone`. The application code will executes
  * in the "inner" zone unless `runOutsideAngular` is explicitely called.
  *
- * A typical application will create a singleton `VmTurnZone`. The outer `Zone` is a fork of the root
+ * A typical application will create a singleton `NgZone`. The outer `Zone` is a fork of the root
  * `Zone`. The default `onTurnDone` runs the Angular change detection.
  *
  * @exportedAs angular2/core
  */
-export class VmTurnZone {
-  // Code executed in _outerZone does not trigger the onTurnDone.
-  _outerZone;
-  // _innerZone is the child of _outerZone. Any code executed in this zone will trigger the
+export class NgZone {
+  // Code executed in _mountZone does not trigger the onTurnDone.
+  _mountZone;
+  // _innerZone is the child of _mountZone. Any code executed in this zone will trigger the
   // onTurnDone hook at the end of the current VM turn.
   _innerZone;
 
   _onTurnStart:Function;
   _onTurnDone:Function;
   _onErrorHandler:Function;
 
-  // Number of microtasks pending from _outerZone (& descendants)
+  // Number of microtasks pending from _innerZone (& descendants)
   _pendingMicrotask: number;
   // Whether some code has been executed in the _innerZone (& descendants) in the current turn
   _hasExecutedCodeInInnerZone: boolean;
-  // run() call depth in _outerZone. 0 at the end of a macrotask
+  // run() call depth in _mountZone. 0 at the end of a macrotask
   // zone.run(() => {         // top-level call
   //   zone.run(() => {});    // nested call -> in-turn
   // });
@@ -36,8 +36,8 @@ export class VmTurnZone {
   /**
    * Associates with this
    *
-   * - an "outer" zone, which is a child of the one that created this.
-   * - an "inner" zone, which is a child of the outer zone.
+   * - a "root" zone, which the one that instantiated this.
+   * - an "inner" zone, which is a child of the root zone.
    *
    * @param {bool} enableLongStackTrace whether to enable long stack trace. They should only be
    *               enabled in development mode as they significantly impact perf.
@@ -51,8 +51,8 @@ export class VmTurnZone {
     this._hasExecutedCodeInInnerZone = false;
     this._nestedRun = 0;
 
-    this._outerZone = global.zone;
-    this._innerZone = this._createInnerZone(this._outerZone, enableLongStackTrace)
+    this._mountZone = global.zone;
+    this._innerZone = this._createInnerZone(this._mountZone, enableLongStackTrace)
   }
 
   /**
@@ -75,7 +75,7 @@ export class VmTurnZone {
    * Angular's auto digest mechanism.
    *
    * ```
-   * var zone: VmTurnZone = [ref to the application zone];
+   * var zone: NgZone = [ref to the application zone];
    *
    * zone.run(() => {
    *   // the change detection will run after this function and the microtasks it enqueues have executed.
@@ -93,7 +93,7 @@ export class VmTurnZone {
    * auto-digest mechanism.
    *
    * ```
-   * var zone: VmTurnZone = [ref to the application zone];
+   * var zone: NgZone = [ref to the application zone];
    *
    * zone.runOusideAngular(() => {
    *   element.onClick(() => {
@@ -103,23 +103,23 @@ export class VmTurnZone {
    * ```
    */
   runOutsideAngular(fn) {
-    return this._outerZone.run(fn);
+    return this._mountZone.run(fn);
   }
 
   _createInnerZone(zone, enableLongStackTrace) {
-    var vmTurnZone = this;
+    var ngZone = this;
     var errorHandling;
 
     if (enableLongStackTrace) {
       errorHandling = StringMapWrapper.merge(Zone.longStackTraceZone, {
         onError: function (e) {
-          vmTurnZone._onError(this, e)
+          ngZone._onError(this, e)
         }
       });
     } else {
       errorHandling = {
         onError: function (e) {
-          vmTurnZone._onError(this, e)
+          ngZone._onError(this, e)
         }
       };
     }
@@ -130,25 +130,25 @@ export class VmTurnZone {
           '$run': function(parentRun) {
             return function() {
               try {
-                vmTurnZone._nestedRun++;
-                if (!vmTurnZone._hasExecutedCodeInInnerZone) {
-                  vmTurnZone._hasExecutedCodeInInnerZone = true;
-                  if (vmTurnZone._onTurnStart) {
-                    parentRun.call(vmTurnZone._innerZone, vmTurnZone._onTurnStart);
+                ngZone._nestedRun++;
+                if (!ngZone._hasExecutedCodeInInnerZone) {
+                  ngZone._hasExecutedCodeInInnerZone = true;
+                  if (ngZone._onTurnStart) {
+                    parentRun.call(ngZone._innerZone, ngZone._onTurnStart);
                   }
                 }
                 return parentRun.apply(this, arguments);
               } finally {
-                vmTurnZone._nestedRun--;
+                ngZone._nestedRun--;
                 // If there are no more pending microtasks, we are at the end of a VM turn (or in onTurnStart)
                 // _nestedRun will be 0 at the end of a macrotasks (it could be > 0 when there are nested calls
                 // to run()).
-                if (vmTurnZone._pendingMicrotasks == 0 && vmTurnZone._nestedRun == 0) {
-                  if (vmTurnZone._onTurnDone && vmTurnZone._hasExecutedCodeInInnerZone) {
+                if (ngZone._pendingMicrotasks == 0 && ngZone._nestedRun == 0) {
+                  if (ngZone._onTurnDone && ngZone._hasExecutedCodeInInnerZone) {
                     try {
-                      parentRun.call(vmTurnZone._innerZone, vmTurnZone._onTurnDone);
+                      parentRun.call(ngZone._innerZone, ngZone._onTurnDone);
                     } finally {
-                      vmTurnZone._hasExecutedCodeInInnerZone = false;
+                      ngZone._hasExecutedCodeInInnerZone = false;
                     }
                   }
                 }
@@ -157,12 +157,12 @@ export class VmTurnZone {
           },
           '$scheduleMicrotask': function(parentScheduleMicrotask) {
             return function(fn) {
-              vmTurnZone._pendingMicrotasks++;
+              ngZone._pendingMicrotasks++;
               var microtask = function() {
                 try {
                   fn();
                 } finally {
-                  vmTurnZone._pendingMicrotasks--;
+                  ngZone._pendingMicrotasks--;
                 }
               };
               parentScheduleMicrotask.call(this, microtask);

modules/angular2/src/mock/vm_turn_zone_mock.js renamed to modules/angular2/src/mock/ng_zone_mock.js

@@ -1,12 +1,12 @@
-import {VmTurnZone} from 'angular2/src/core/zone/vm_turn_zone';
+import {NgZone} from 'angular2/src/core/zone/ng_zone';
 
-export class MockVmTurnZone extends VmTurnZone {
+export class MockNgZone extends NgZone {
   constructor() {
     super({enableLongStackTrace: false});
   }
 
   run(fn) {
-    fn();
+    return fn();
   }
 
   runOutsideAngular(fn) {

modules/angular2/src/render/dom/events/event_manager.js

@@ -1,15 +1,15 @@
 import {isBlank, BaseException, isPresent, StringWrapper} from 'angular2/src/facade/lang';
 import {DOM} from 'angular2/src/dom/dom_adapter';
 import {List, ListWrapper, MapWrapper} from 'angular2/src/facade/collection';
-import {VmTurnZone} from 'angular2/src/core/zone/vm_turn_zone';
+import {NgZone} from 'angular2/src/core/zone/ng_zone';
 
 var BUBBLE_SYMBOL = '^';
 
 export class EventManager {
   _plugins: List<EventManagerPlugin>;
-  _zone: VmTurnZone;
+  _zone: NgZone;
 
-  constructor(plugins: List<EventManagerPlugin>, zone: VmTurnZone) {
+  constructor(plugins: List<EventManagerPlugin>, zone: NgZone) {
     this._zone = zone;
     this._plugins = plugins;
     for (var i = 0; i < plugins.length; i++) {
@@ -29,7 +29,7 @@ export class EventManager {
     return plugin.addGlobalEventListener(target, withoutBubbleSymbol, handler, withoutBubbleSymbol != eventName);
   }
 
-  getZone(): VmTurnZone {
+  getZone(): NgZone {
     return this._zone;
   }
 
@@ -93,7 +93,7 @@ export class DomEventsPlugin extends EventManagerPlugin {
     });
   }
 
-  _getOutsideHandler(shouldSupportBubble: boolean, element, handler: Function, zone: VmTurnZone) {
+  _getOutsideHandler(shouldSupportBubble: boolean, element, handler: Function, zone: NgZone) {
     return shouldSupportBubble ?
       DomEventsPlugin.bubbleCallback(element, handler, zone) :
       DomEventsPlugin.sameElementCallback(element, handler, zone);