fix(render): keep bindings of components in content and view in the right order

Bindings in the component view have to be first, before 
bindings of components in the light dom (i.e. have the same
order as used in the `ViewManagerUtils.createView()` method.

Fixes #4522
Closes #4523

modules/angular2/src/core/render/view_factory.ts

@@ -128,13 +128,13 @@ class RenderViewBuilder<N> implements RenderCommandVisitor {
       root = this.factory.createShadowRoot(el);
       this.nativeShadowRoots.push(root);
     }
-    this.parentStack.push(new Component(el, root, cmd, this.factory));
+    var component = new Component(el, root, cmd, this.factory, this.allBuilders);
+    this.parentStack.push(component);
     return null;
   }
   visitEndComponent(context: any): any {
     var c = <Component<N>>this.parent;
-    var template = this.factory.resolveComponentTemplate(c.cmd.templateId);
-    this._visitChildTemplate(template, c, c.shadowRoot);
+    c.build();
     this._endElement();
     return null;
   }
@@ -143,7 +143,9 @@ class RenderViewBuilder<N> implements RenderCommandVisitor {
     this._addChild(el, cmd.ngContentIndex);
     this.boundElements.push(el);
     if (cmd.isMerged) {
-      this._visitChildTemplate(cmd.children, this.parentComponent, null);
+      visitAll(
+          new RenderViewBuilder(this.parentComponent, null, null, this.allBuilders, this.factory),
+          cmd.children);
     }
     return null;
   }
@@ -172,11 +174,6 @@ class RenderViewBuilder<N> implements RenderCommandVisitor {
 
   private _endElement() { this.parentStack.pop(); }
 
-  private _visitChildTemplate(cmds: RenderTemplateCmd[], parent: Component<N>, rootNodesParent: N) {
-    visitAll(new RenderViewBuilder(parent, rootNodesParent, null, this.allBuilders, this.factory),
-             cmds);
-  }
-
   private _addChild(node: N, ngContentIndex: number) {
     var parent = this.parent;
     if (isPresent(parent)) {
@@ -194,9 +191,12 @@ class RenderViewBuilder<N> implements RenderCommandVisitor {
 class Component<N> {
   private contentNodesByNgContentIndex: N[][] = [];
   private projectingNgContentIndex: number = 0;
+  private viewBuilder: RenderViewBuilder<N>;
 
-  constructor(public hostElement: N, public shadowRoot: N, public cmd: RenderBeginComponentCmd,
-              public factory: NodeFactory<N>) {}
+  constructor(public hostElement: N, shadowRoot: N, public cmd: RenderBeginComponentCmd,
+              public factory: NodeFactory<N>, allBuilders: RenderViewBuilder<N>[]) {
+    this.viewBuilder = new RenderViewBuilder(this, shadowRoot, null, allBuilders, factory);
+  }
   addContentNode(ngContentIndex: number, node: N) {
     if (isBlank(ngContentIndex)) {
       if (this.cmd.nativeShadow) {
@@ -215,6 +215,9 @@ class Component<N> {
                this.contentNodesByNgContentIndex[ngContentIndex] :
                [];
   }
+  build() {
+    visitAll(this.viewBuilder, this.factory.resolveComponentTemplate(this.cmd.templateId));
+  }
 }
 
 function addAll(source: any[], target: any[]) {

modules/angular2/test/core/linker/projection_integration_spec.ts

@@ -112,6 +112,26 @@ export function main() {
              });
        }));
 
+    it('should project content components',
+       inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
+         tcb.overrideView(
+                Simple,
+                new ViewMetadata(
+                    {template: 'SIMPLE({{0}}|<ng-content></ng-content>|{{2}})', directives: []}))
+             .overrideView(OtherComp, new ViewMetadata({template: '{{1}}', directives: []}))
+             .overrideView(MainComp, new ViewMetadata({
+                             template: '<simple><other></other></simple>',
+                             directives: [Simple, OtherComp]
+                           }))
+             .createAsync(MainComp)
+             .then((main) => {
+
+               main.detectChanges();
+               expect(main.debugElement.nativeElement).toHaveText('SIMPLE(0|1|2)');
+               async.done();
+             });
+       }));
+
     it('should not show the light dom even if there is no content tag',
        inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
          tcb.overrideView(MainComp,
@@ -453,6 +473,12 @@ class MainComp {
   text: string = '';
 }
 
+@Component({selector: 'other'})
+@View({template: '', directives: []})
+class OtherComp {
+  text: string = '';
+}
+
 @Component({selector: 'simple', inputs: ['stringProp']})
 @View({template: 'SIMPLE(<ng-content></ng-content>)', directives: []})
 class Simple {

modules/angular2/test/core/render/view_factory_spec.ts

@@ -347,6 +347,28 @@ export function main() {
             .toEqual(['1.1', '1.2', '1.3', '1.4', '2.1', '2.2', '3.1', '3.1']);
       });
 
+      it('should store bound elements from the view before bound elements from content components',
+         () => {
+           componentTemplates.set(0, [
+             beginElement('a', ['id', '2.1'], [], true, null),
+             endElement(),
+           ]);
+           componentTemplates.set(1, [
+             beginElement('a', ['id', '3.1'], [], true, null),
+             endElement(),
+           ]);
+           var view = createRenderView(
+               [
+                 beginComponent('a-comp', ['id', '1.1'], [], false, null, 0),
+                 beginComponent('b-comp', ['id', '1.2'], [], false, null, 1),
+                 endComponent(),
+                 endComponent(),
+               ],
+               null, nodeFactory);
+
+           expect(mapAttrs(view.boundElements, 'id')).toEqual(['1.1', '1.2', '2.1', '3.1']);
+         });
+
       it('should store bound text nodes after the bound text nodes of the main template', () => {
         componentTemplates.set(0, [
           text('2.1', true, null),
@@ -374,6 +396,22 @@ export function main() {
       });
     });
 
+    it('should store bound text nodes from the view before bound text nodes from content components',
+       () => {
+         componentTemplates.set(0, [text('2.1', true, null)]);
+         componentTemplates.set(1, [text('3.1', true, null)]);
+         var view = createRenderView(
+             [
+               beginComponent('a-comp', [], [], false, null, 0),
+               beginComponent('b-comp', [], [], false, null, 1),
+               endComponent(),
+               endComponent(),
+             ],
+             null, nodeFactory);
+
+         expect(mapText(view.boundTextNodes)).toEqual(['2.1', '3.1']);
+       });
+
     describe('content projection', () => {
       it('should remove non projected nodes', () => {
         componentTemplates.set(0, []);