revert(TextChangeListener): remove TextChangeListener support

Author: mhevery

lib/core_dom/block_factory.dart

@@ -132,8 +132,7 @@ class BlockFactory {
           nodeModule.factory(NgTextMustacheDirective, (Injector injector) {
             return new NgTextMustacheDirective(
                 node, ref.value, injector.get(Interpolate), injector.get(Scope),
-                injector.get(TextChangeListener), injector.get(AstParser),
-                injector.get(FilterMap));
+                injector.get(AstParser), injector.get(FilterMap));
           });
         } else if (ref.type == NgAttrMustacheDirective) {
           if (nodesAttrsDirectives == null) {

lib/core_dom/directive.dart

@@ -5,13 +5,6 @@ part of angular.core.dom;
  */
 typedef AttributeChanged(String newValue);
 
-/**
- * Callback function used to notify of text changes.
- */
-abstract class TextChangeListener{
-  call(String text);
-}
-
 /**
  * NodeAttrs is a facade for element attributes. The facade is responsible
  * for normalizing attribute names as well as allowing access to the

lib/core_dom/module.dart

@@ -30,7 +30,6 @@ class NgCoreDomModule extends Module {
   NgCoreDomModule() {
     value(dom.Window, dom.window);
 
-    value(TextChangeListener, null);
     factory(TemplateCache, (_) => new TemplateCache(capacity: 0));
     type(dom.NodeTreeSanitizer, implementedBy: NullTreeSanitizer);
 

lib/core_dom/ng_mustache.dart

@@ -7,20 +7,16 @@ class NgTextMustacheDirective {
                           String markup,
                           Interpolate interpolate,
                           Scope scope,
-                          TextChangeListener listener,
                           AstParser parser,
                           FilterMap filters) {
     Interpolation interpolation = interpolate(markup);
-    interpolation.setter = (text) {
-      element.text = text;
-      if (listener != null) listener.call(text);
-    };
+    interpolation.setter = (text) => element.text = text;
 
     List items = interpolation.expressions.map((exp) {
       return parser(exp, filters:filters);
     }).toList();
     AST ast = new PureFunctionAST('[[$markup]]', new ArrayFn(), items);
-    scope.watch(ast, interpolation.call, readOnly: listener == null);
+    scope.watch(ast, interpolation.call, readOnly: true);
   }
 
 }

lib/directive/input_select.dart

@@ -97,9 +97,8 @@ class InputSelectDirective implements NgAttachAware {
  *
  */
 @NgDirective(
-    selector: 'option',
-    publishTypes: const [TextChangeListener])
-class OptionValueDirective implements TextChangeListener, NgAttachAware,
+    selector: 'option')
+class OptionValueDirective implements NgAttachAware,
     NgDetachAware {
   final InputSelectDirective _inputSelectDirective;
   final dom.Element _element;
@@ -118,12 +117,6 @@ class OptionValueDirective implements TextChangeListener, NgAttachAware,
     }
   }
 
-  call(String text) {
-    if (_inputSelectDirective != null) {
-      _inputSelectDirective.dirty();
-    }
-  }
-
   detach() {
     if (_inputSelectDirective != null) {
       _inputSelectDirective.dirty();

test/core_dom/ng_mustache_spec.dart

@@ -6,7 +6,6 @@ main() {
   describe('ng-mustache', () {
     TestBed _;
     beforeEach(module((Module module) {
-      module.type(_ListenerDirective);
       module.type(_HelloFilter);
     }));
     beforeEach(inject((TestBed tb) => _ = tb));
@@ -25,15 +24,6 @@ main() {
     }));
 
 
-    it('should allow listening on text change events', inject((Logger logger) {
-      _.compile('<div listener>{{text}}</div>');
-      _.rootScope.context['text'] = 'works';
-      _.rootScope.apply();
-      expect(_.rootElement.text).toEqual('works');
-      expect(logger).toEqual(['works']);
-    }));
-
-
     it('should replace {{}} in attribute', inject((Compiler $compile, Scope rootScope, Injector injector, DirectiveMap directives) {
       var element = $('<div some-attr="{{name}}" other-attr="{{age}}"></div>');
       var template = $compile(element, directives);
@@ -120,17 +110,6 @@ main() {
 
 }
 
-@NgDirective(
-    selector: '[listener]',
-    publishTypes: const [TextChangeListener],
-    visibility: NgDirective.DIRECT_CHILDREN_VISIBILITY
-)
-class _ListenerDirective implements TextChangeListener {
-  Logger logger;
-  _ListenerDirective(Logger this.logger);
-  call(String text) => logger(text);
-}
-
 @NgFilter(name:'hello')
 class _HelloFilter {
   call(String str) {