Replace AnalysisServerListener with Stream.

pkg/analysis_server/lib/src/edit/edit_domain.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library edit.domain;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol.dart' hide Element;
 import 'package:analysis_server/src/services/correction/assist.dart';
 import 'package:analysis_server/src/services/correction/fix.dart';
 import 'package:analysis_server/src/services/correction/status.dart';
 import 'package:analysis_server/src/services/json.dart';
 import 'package:analysis_server/src/services/refactoring/refactoring.dart';
 import 'package:analysis_server/src/services/search/search_engine.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart' as engine;
 import 'package:analyzer/src/generated/error.dart' as engine;
 import 'package:analyzer/src/generated/source.dart';
+import 'package:analyzer/src/generated/engine.dart';
 
 
 /**
  * Instances of the class [EditDomainHandler] implement a [RequestHandler]
  * that handles requests in the edit domain.
  */
 class EditDomainHandler implements RequestHandler {
   /**
    * The analysis server that is using this handler to process requests.
    */
@@ skipping 140 matching lines @@
   Refactoring refactoring;
   HasToJson feedback;
   RefactoringStatus initStatus;
   RefactoringStatus optionsStatus;
   RefactoringStatus finalStatus;
 
   String requestId;
   EditGetRefactoringResult result;
 
   _RefactoringManager(this.server, this.searchEngine) {
-    server.addAnalysisServerListener(
-        new _ResetRefactoringManagerAnalysisServerListener(this));
+    server.onAnalysisStarted.listen(_reset);
     _reset();
   }
 
   bool get _hasFatalError {
     return initStatus.hasFatalError ||
         optionsStatus.hasFatalError ||
         finalStatus.hasFatalError;
   }
 
   /**
@@ skipping 172 matching lines @@
       if (refactoring is RenameRefactoring) {
         RenameRefactoring refactoring = this.refactoring;
         RenameFeedback feedback = this.feedback;
         feedback.elementKindName = refactoring.elementKindName;
         feedback.oldName = refactoring.oldName;
       }
       return initStatus;
     });
   }
 
-  void _reset() {
+  void _reset([AnalysisContext context]) {
     kind = null;
     offset = null;
     length = null;
     refactoring = null;
     feedback = null;
     initStatus = new RefactoringStatus();
     optionsStatus = new RefactoringStatus();
     finalStatus = new RefactoringStatus();
   }
 
@@ skipping 47 matching lines @@
     }
     if (refactoring is RenameRefactoring) {
       RenameRefactoring renameRefactoring = refactoring;
       RenameOptions renameOptions = params.options;
       renameRefactoring.newName = renameOptions.newName;
       return renameRefactoring.checkNewName();
     }
     return new RefactoringStatus();
   }
 }
-
-
-/**
- * A [AnalysisServerListener] that resets [_RefactoringManager] when analysis
- * is started in the [AnalysisServer].
- */
-class _ResetRefactoringManagerAnalysisServerListener implements
-    AnalysisServerListener {
-  final _RefactoringManager refactoringManager;
-
-  _ResetRefactoringManagerAnalysisServerListener(this.refactoringManager);
-
-  @override
-  void analysisComplete() {
-  }
-
-  @override
-  void analysisStarted(engine.AnalysisContext context) {
-    refactoringManager._reset();
-  }
-}