feat(transform): update for Directive.host

modules/angular2/src/transform/common/directive_metadata_reader.dart

@@ -53,13 +53,11 @@ class _DirectiveMetadataVisitor extends Object
 
   void _createEmptyMetadata(num type) {
     assert(type >= 0);
-    meta = new DirectiveMetadata(
+    meta = DirectiveMetadata.create(
         type: type,
         compileChildren: true,
         properties: [],
-        hostListeners: {},
-        hostProperties: {},
-        hostAttributes: {},
+        host: {},
         readAttributes: [],
         exportAs: null,
         callOnDestroy: false,
@@ -124,14 +122,8 @@ class _DirectiveMetadataVisitor extends Object
       case 'properties':
         _populateProperties(node.expression);
         break;
-      case 'hostProperties':
-        _populateHostProperties(node.expression);
-        break;
-      case 'hostAttributes':
-        _populateHostAttributes(node.expression);
-        break;
-      case 'hostListeners':
-        _populateHostListeners(node.expression);
+      case 'host':
+        _populateHost(node.expression);
         break;
       case 'lifecycle':
         _populateLifecycle(node.expression);
@@ -210,22 +202,17 @@ class _DirectiveMetadataVisitor extends Object
     _populateList(propertiesValue, meta.properties, 'Directive#properties');
   }
 
-  void _populateHostListeners(Expression hostListenersValue) {
+  void _populateHost(Expression hostValue) {
     _checkMeta();
-    _populateMap(
-        hostListenersValue, meta.hostListeners, 'Directive#hostListeners');
-  }
+    var host = new Map();
+    _populateMap(hostValue, host, 'Directive#host');
 
-  void _populateHostProperties(Expression hostPropertyValue) {
-    _checkMeta();
-    _populateMap(
-        hostPropertyValue, meta.hostProperties, 'Directive#hostProperties');
-  }
+    var hostConfig = DirectiveMetadata.parseHostConfig(host);
 
-  void _populateHostAttributes(Expression hostAttributeValue) {
-    _checkMeta();
-    _populateMap(
-        hostAttributeValue, meta.hostAttributes, 'Directive#hostAttributes');
+    meta.hostListeners = hostConfig['hostListeners'];
+    meta.hostProperties = hostConfig['hostProperties'];
+    meta.hostActions = hostConfig['hostActions'];
+    meta.hostAttributes = hostConfig['hostAttributes'];
   }
 
   void _populateExportAs(Expression exportAsValue) {

modules/angular2/test/transform/directive_metadata_extractor/all_tests.dart

@@ -75,15 +75,28 @@ void allTests() {
       expect(metadata.exportAs).toEqual('exportAsName');
     });
 
-    it('should parse host listeners.', () async {
+    it('should parse host.', () async {
       var metadata = await readMetadata('directive_metadata_extractor/'
           'directive_metadata_files/host_listeners.ng_deps.dart');
       expect(metadata.hostListeners).toBeNotNull();
-      expect(metadata.hostListeners.length).toBe(2);
+      expect(metadata.hostListeners.length).toBe(1);
       expect(metadata.hostListeners).toContain('change');
       expect(metadata.hostListeners['change']).toEqual('onChange(\$event)');
-      expect(metadata.hostListeners).toContain('keyDown');
-      expect(metadata.hostListeners['keyDown']).toEqual('onKeyDown(\$event)');
+
+      expect(metadata.hostProperties).toBeNotNull();
+      expect(metadata.hostProperties.length).toBe(1);
+      expect(metadata.hostProperties).toContain('value');
+      expect(metadata.hostProperties['value']).toEqual('value');
+
+      expect(metadata.hostAttributes).toBeNotNull();
+      expect(metadata.hostAttributes.length).toBe(1);
+      expect(metadata.hostAttributes).toContain('attName');
+      expect(metadata.hostAttributes['attName']).toEqual('attValue');
+
+      expect(metadata.hostActions).toBeNotNull();
+      expect(metadata.hostActions.length).toBe(1);
+      expect(metadata.hostActions).toContain('actionName');
+      expect(metadata.hostActions['actionName']).toEqual('actionValue');
     });
 
     it('should parse lifecycle events.', () async {

modules/angular2/test/transform/directive_metadata_extractor/directive_metadata_files/host_listeners.ng_deps.dart

@@ -14,9 +14,11 @@ void initReflector(reflector) {
       'parameters': const [const []],
       'annotations': const [
         const Component(
-            hostListeners: const {
-          'change': 'onChange(\$event)',
-          'keyDown': 'onKeyDown(\$event)'
+            host: const {
+          '(change)': 'onChange(\$event)',
+          '[value]': 'value',
+          '@actionName': 'actionValue',
+          'attName': 'attValue'
         })
       ]
     });

modules/angular2/test/transform/integration/simple_annotation_files/expected/bar.ng_meta.json

@@ -3,10 +3,10 @@
     "id": "MyComponent",
     "selector": "[soup]",
     "compileChildren": true,
-    "hostListeners": {},
     "hostProperties": {},
+    "hostListeners": {},
+    "hostActions": {},
     "hostAttributes": {},
-    "hostActions": null,
     "properties": [],
     "readAttributes": [],
     "type": 1,

modules/angular2/test/transform/template_compiler/duplicate_files/hello.ng_meta.json

@@ -4,8 +4,7 @@
     "id":"HelloCmp",
     "selector":"hello-app",
     "compileChildren":true,
-    "hostListeners":{},
-    "hostProperties":{},
+    "host":{},
     "properties":[],
     "readAttributes":[],
     "type":1,

modules/angular2/test/transform/template_compiler/inline_expression_files/hello.ng_meta.json

@@ -4,8 +4,7 @@
     "id":"HelloCmp",
     "selector":"hello-app",
     "compileChildren":true,
-    "hostListeners":{},
-    "hostProperties":{},
+    "host":{},
     "properties":[],
     "readAttributes":[],
     "type":1,

modules/angular2/test/transform/template_compiler/inline_method_files/hello.ng_meta.json

@@ -4,8 +4,7 @@
     "id":"HelloCmp",
     "selector":"hello-app",
     "compileChildren":true,
-    "hostListeners":{},
-    "hostProperties":{},
+    "host":{},
     "properties":[],
     "readAttributes":[],
     "type":1,

modules/angular2/test/transform/template_compiler/one_directive_files/hello.ng_meta.json

@@ -4,8 +4,7 @@
     "id":"HelloCmp",
     "selector":"hello-app",
     "compileChildren":true,
-    "hostListeners":{},
-    "hostProperties":{},
+    "host":{},
     "properties":[],
     "readAttributes":[],
     "type":1,
@@ -15,8 +14,7 @@
     "id":"GoodbyeCmp",
     "selector":"goodbye-app",
     "compileChildren":true,
-    "hostListeners":{},
-    "hostProperties":{},
+    "host":{},
     "properties":[],
     "readAttributes":[],
     "type":1,

modules/angular2/test/transform/template_compiler/url_expression_files/hello.ng_meta.json

@@ -4,8 +4,7 @@
     "id":"HelloCmp",
     "selector":"hello-app",
     "compileChildren":true,
-    "hostListeners":{},
-    "hostProperties":{},
+    "host":{},
     "properties":[],
     "readAttributes":[],
     "type":1,

modules/angular2/test/transform/template_compiler/url_method_files/hello.ng_meta.json

@@ -4,8 +4,7 @@
     "id":"HelloCmp",
     "selector":"hello-app",
     "compileChildren":true,
-    "hostListeners":{},
-    "hostProperties":{},
+    "host":{},
     "properties":[],
     "readAttributes":[],
     "type":1,

modules/angular2/test/transform/template_compiler/with_prefix_files/goodbye.ng_meta.json

@@ -3,8 +3,7 @@
     "id":"GoodbyeCmp",
     "selector":"goodbye-app",
     "compileChildren":true,
-    "hostListeners":{},
-    "hostProperties":{},
+    "host":{},
     "properties":[],
     "readAttributes":[],
     "type":1,

modules/angular2/test/transform/template_compiler/with_prefix_files/hello.ng_meta.json

@@ -4,8 +4,7 @@
     "id":"HelloCmp",
     "selector":"hello-app",
     "compileChildren":true,
-    "hostListeners":{},
-    "hostProperties":{},
+    "host":{},
     "properties":[],
     "readAttributes":[],
     "type":1,