Reset refactoring manager on any analysis.

pkg/analysis_server/lib/src/analysis_server.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 analysis.server;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analyzer/file_system/file_system.dart';
@@ skipping 238 matching lines @@
     addOperation(operation);
     if (wasEmpty) {
       _schedulePerformOperation();
     }
   }
 
   /**
    * Schedules analysis of the given context.
    */
   void schedulePerformAnalysisOperation(AnalysisContext context) {
+    _notifyAnalysisStarted(context);
     scheduleOperation(new PerformAnalysisOperation(context, false));
   }
 
   /**
    * Send the given [notification] to the client.
    */
   void sendNotification(Notification notification) {
     channel.sendNotification(notification);
   }
 
@@ skipping 627 matching lines @@
   }
 
   /**
    * Return `true` if all operations have been performed in this [AnalysisServer].
    */
   bool test_areOperationsFinished() {
     return operationQueue.isEmpty;
   }
 
   /**
+   * Notify all listeners that analysis of [context] is started.
+   */
+  void _notifyAnalysisStarted(AnalysisContext context) {
+    listeners.forEach((AnalysisServerListener listener) {
+      listener.analysisStarted(context);
+    });
+  }
+
+  /**
    * Notify all listeners that analysis is complete.
    */
   void _notifyAnalysisComplete() {
     listeners.forEach((AnalysisServerListener listener) {
       listener.analysisComplete();
     });
   }
 
   /**
    * Schedules [performOperation] exection.
@@ skipping 30 matching lines @@
 }
 
 /**
  * An object that is listening for lifecycle events from an analysis server.
  */
 abstract class AnalysisServerListener {
   /**
    * Analysis is complete.
    */
   void analysisComplete();
+
+  /**
+   * Analysis is started.
+   */
+  void analysisStarted(AnalysisContext context);
 }
 
 typedef void OptionUpdater(AnalysisOptionsImpl options);