chore(compiler): Move ViewFactory into WalkingViewFactory

Author: jbdeboer

lib/core_dom/compiler.dart

@@ -1,11 +1,15 @@
 part of angular.core.dom;
 
+abstract class Compiler implements Function {
+  WalkingViewFactory call(List<dom.Node> elements, DirectiveMap directives);
+}
+
 @NgInjectableService()
-class Compiler implements Function {
+class WalkingCompiler implements Compiler {
   final Profiler _perf;
   final Expando _expando;
 
-  Compiler(this._perf, this._expando);
+  WalkingCompiler(this._perf, this._expando);
 
   List<ElementBinderTreeRef> _compileView(NodeCursor domCursor, NodeCursor templateCursor,
                 ElementBinder existingElementBinder,
@@ -22,7 +26,7 @@ class Compiler implements Function {
           : existingElementBinder;
 
       if (elementBinder.hasTemplate) {
-        elementBinder.templateViewFactory = compileTransclusion(
+        elementBinder.templateViewFactory = _compileTransclusion(
             domCursor, templateCursor,
             elementBinder.template, elementBinder.templateBinder, directives);
       }
@@ -50,7 +54,7 @@ class Compiler implements Function {
     return elementBinders;
   }
 
-  ViewFactory compileTransclusion(
+  WalkingViewFactory _compileTransclusion(
                       NodeCursor domCursor, NodeCursor templateCursor,
                       DirectiveRef directiveRef,
                       ElementBinder transcludedElementBinder,
@@ -66,7 +70,7 @@ class Compiler implements Function {
         _compileView(domCursor, transcludeCursor, transcludedElementBinder, directives);
     if (elementBinders == null) elementBinders = [];
 
-    viewFactory = new ViewFactory(transcludeCursor.elements, elementBinders, _perf, _expando);
+    viewFactory = new WalkingViewFactory(transcludeCursor.elements, elementBinders, _perf, _expando);
     domCursor.index = domCursorIndex;
 
     if (domCursor.isInstance) {
@@ -84,7 +88,7 @@ class Compiler implements Function {
     return viewFactory;
   }
 
-  ViewFactory call(List<dom.Node> elements, DirectiveMap directives) {
+  WalkingViewFactory call(List<dom.Node> elements, DirectiveMap directives) {
     var timerId;
     assert((timerId = _perf.startTimer('ng.compile', _html(elements))) != false);
     final List<dom.Node> domElements = elements;
@@ -93,7 +97,7 @@ class Compiler implements Function {
         new NodeCursor(domElements), new NodeCursor(templateElements),
         null, directives);
 
-    var viewFactory = new ViewFactory(templateElements,
+    var viewFactory = new WalkingViewFactory(templateElements,
         elementBinders == null ? [] : elementBinders, _perf, _expando);
 
     assert(_perf.stopTimer(timerId) != false);

lib/core_dom/module.dart

@@ -39,7 +39,7 @@ class NgCoreDomModule extends Module {
     type(NgTextMustacheDirective);
     type(NgAttrMustacheDirective);
 
-    type(Compiler);
+    type(Compiler, implementedBy: WalkingCompiler);
     type(Http);
     type(UrlRewriter);
     type(HttpBackend);

lib/core_dom/view_factory.dart

@@ -19,17 +19,23 @@ class BoundViewFactory {
     viewFactory(injector.createChild([new Module()..value(Scope, scope)]));
 }
 
+abstract class ViewFactory implements Function {
+  BoundViewFactory bind(Injector injector);
+
+  View call(Injector injector, [List<dom.Node> elements]);
+}
+
 /**
  * ViewFactory is used to create new [View]s. ViewFactory is created by the
  * [Compiler] as a result of compiling a template.
  */
-class ViewFactory implements Function {
+class WalkingViewFactory implements ViewFactory {
   final List<ElementBinderTreeRef> elementBinders;
   final List<dom.Node> templateElements;
   final Profiler _perf;
   final Expando _expando;
 
-  ViewFactory(this.templateElements, this.elementBinders, this._perf, this._expando) {
+  WalkingViewFactory(this.templateElements, this.elementBinders, this._perf, this._expando) {
     assert(elementBinders.forEach((ElementBinderTreeRef eb) { assert(eb is ElementBinderTreeRef); }) != true);
   }
 
@@ -62,6 +68,7 @@ class ViewFactory implements Function {
       //List childElementBinders = eb.childElementBinders;
       int nodeListIndex = index + preRenderedIndexOffset;
       dom.Node node = nodeList[nodeListIndex];
+      var binder = tree.binder;
 
       var timerId;
       try {
@@ -75,16 +82,16 @@ class ViewFactory implements Function {
           parentNode.append(node);
         }
 
-        var childInjector = tree.binder != null ? tree.binder.bind(view, parentInjector, node) : parentInjector;
-
-        if (tree.subtrees != null) {
-          _link(view, node.nodes, tree.subtrees, childInjector);
-        }
+        var childInjector = binder != null ? binder.bind(view, parentInjector, node) : parentInjector;
 
         if (fakeParent) {
           // extract the node from the parentNode.
           nodeList[nodeListIndex] = parentNode.nodes[0];
         }
+
+        if (tree.subtrees != null) {
+          _link(view, node.nodes, tree.subtrees, childInjector);
+        }
       } finally {
         assert(_perf.stopTimer(timerId) != false);
       }

test/core_dom/view_spec.dart

@@ -60,6 +60,7 @@ class BFilter {
 
 
 main() {
+  var viewFactoryFactory = (a,b,c,d) => new WalkingViewFactory(a,b,c,d);
   describe('View', () {
     var anchor;
     var $rootElement;
@@ -77,8 +78,8 @@ main() {
         $rootElement.html('<!-- anchor -->');
         anchor = new ViewPort($rootElement.contents().eq(0)[0],
           injector.get(NgAnimate));
-        a = (new ViewFactory($('<span>A</span>a'), [], perf, expando))(injector);
-        b = (new ViewFactory($('<span>B</span>b'), [], perf, expando))(injector);
+        a = (viewFactoryFactory($('<span>A</span>a'), [], perf, expando))(injector);
+        b = (viewFactoryFactory($('<span>B</span>b'), [], perf, expando))(injector);
       }));
 
 
@@ -141,10 +142,10 @@ main() {
                                               LoggerViewDirective,
                                               new NgDirective(children: NgAnnotation.TRANSCLUDE_CHILDREN, selector: 'foo'),
                                               '');
-          directiveRef.viewFactory = new ViewFactory($('<b>text</b>'), [], perf, new Expando());
+          directiveRef.viewFactory = viewFactoryFactory($('<b>text</b>'), [], perf, new Expando());
           var binder = ebf.binder();
           binder.setTemplateInfo(0, [ directiveRef ]);
-          var outerViewType = new ViewFactory(
+          var outerViewType = viewFactoryFactory(
               $('<!--start--><!--end-->'),
               [binder],
               perf,