Dart: Futures -> Callbacks.

mojo/dart/packages/mojo_services/lib/authentication/authentication.mojom.dart

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 library authentication_mojom;
 import 'dart:async';
 import 'package:mojo/bindings.dart' as bindings;
 import 'package:mojo/core.dart' as core;
 import 'package:mojo/mojo/bindings/types/service_describer.mojom.dart' as service_describer;
 
 
 
 class _AuthenticationServiceSelectAccountParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(16, 0)
   ];
   bool returnLastSelected = false;
 
   _AuthenticationServiceSelectAccountParams() : super(kVersions.last.size);
 
+  _AuthenticationServiceSelectAccountParams.init(
+    bool this.returnLastSelected
+  ) : super(kVersions.last.size);
+
   static _AuthenticationServiceSelectAccountParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
   static _AuthenticationServiceSelectAccountParams decode(bindings.Decoder decoder0) {
@@ skipping 53 matching lines @@
 
 class AuthenticationServiceSelectAccountResponseParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(24, 0)
   ];
   String username = null;
   String error = null;
 
   AuthenticationServiceSelectAccountResponseParams() : super(kVersions.last.size);
 
+  AuthenticationServiceSelectAccountResponseParams.init(
+    String this.username, 
+    String this.error
+  ) : super(kVersions.last.size);
+
   static AuthenticationServiceSelectAccountResponseParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
   static AuthenticationServiceSelectAccountResponseParams decode(bindings.Decoder decoder0) {
@@ skipping 66 matching lines @@
 
 class _AuthenticationServiceGetOAuth2TokenParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(24, 0)
   ];
   String username = null;
   List<String> scopes = null;
 
   _AuthenticationServiceGetOAuth2TokenParams() : super(kVersions.last.size);
 
+  _AuthenticationServiceGetOAuth2TokenParams.init(
+    String this.username, 
+    List<String> this.scopes
+  ) : super(kVersions.last.size);
+
   static _AuthenticationServiceGetOAuth2TokenParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
   static _AuthenticationServiceGetOAuth2TokenParams decode(bindings.Decoder decoder0) {
@@ skipping 81 matching lines @@
 
 class AuthenticationServiceGetOAuth2TokenResponseParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(24, 0)
   ];
   String token = null;
   String error = null;
 
   AuthenticationServiceGetOAuth2TokenResponseParams() : super(kVersions.last.size);
 
+  AuthenticationServiceGetOAuth2TokenResponseParams.init(
+    String this.token, 
+    String this.error
+  ) : super(kVersions.last.size);
+
   static AuthenticationServiceGetOAuth2TokenResponseParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
   static AuthenticationServiceGetOAuth2TokenResponseParams decode(bindings.Decoder decoder0) {
@@ skipping 65 matching lines @@
 
 
 class _AuthenticationServiceClearOAuth2TokenParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(16, 0)
   ];
   String token = null;
 
   _AuthenticationServiceClearOAuth2TokenParams() : super(kVersions.last.size);
 
+  _AuthenticationServiceClearOAuth2TokenParams.init(
+    String this.token
+  ) : super(kVersions.last.size);
+
   static _AuthenticationServiceClearOAuth2TokenParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
   static _AuthenticationServiceClearOAuth2TokenParams decode(bindings.Decoder decoder0) {
@@ skipping 52 matching lines @@
 
 
 class _AuthenticationServiceGetOAuth2DeviceCodeParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(16, 0)
   ];
   List<String> scopes = null;
 
   _AuthenticationServiceGetOAuth2DeviceCodeParams() : super(kVersions.last.size);
 
+  _AuthenticationServiceGetOAuth2DeviceCodeParams.init(
+    List<String> this.scopes
+  ) : super(kVersions.last.size);
+
   static _AuthenticationServiceGetOAuth2DeviceCodeParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
   static _AuthenticationServiceGetOAuth2DeviceCodeParams decode(bindings.Decoder decoder0) {
@@ skipping 70 matching lines @@
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(40, 0)
   ];
   String verificationUrl = null;
   String deviceCode = null;
   String userCode = null;
   String error = null;
 
   AuthenticationServiceGetOAuth2DeviceCodeResponseParams() : super(kVersions.last.size);
 
+  AuthenticationServiceGetOAuth2DeviceCodeResponseParams.init(
+    String this.verificationUrl, 
+    String this.deviceCode, 
+    String this.userCode, 
+    String this.error
+  ) : super(kVersions.last.size);
+
   static AuthenticationServiceGetOAuth2DeviceCodeResponseParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
   static AuthenticationServiceGetOAuth2DeviceCodeResponseParams decode(bindings.Decoder decoder0) {
@@ skipping 91 matching lines @@
 
 
 class _AuthenticationServiceAddAccountParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(16, 0)
   ];
   String deviceCode = null;
 
   _AuthenticationServiceAddAccountParams() : super(kVersions.last.size);
 
+  _AuthenticationServiceAddAccountParams.init(
+    String this.deviceCode
+  ) : super(kVersions.last.size);
+
   static _AuthenticationServiceAddAccountParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
   static _AuthenticationServiceAddAccountParams decode(bindings.Decoder decoder0) {
@@ skipping 53 matching lines @@
 
 class AuthenticationServiceAddAccountResponseParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(24, 0)
   ];
   String username = null;
   String error = null;
 
   AuthenticationServiceAddAccountResponseParams() : super(kVersions.last.size);
 
+  AuthenticationServiceAddAccountResponseParams.init(
+    String this.username, 
+    String this.error
+  ) : super(kVersions.last.size);
+
   static AuthenticationServiceAddAccountResponseParams deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
   static AuthenticationServiceAddAccountResponseParams decode(bindings.Decoder decoder0) {
@@ skipping 63 matching lines @@
   }
 }
 
 const int _authenticationServiceMethodSelectAccountName = 0;
 const int _authenticationServiceMethodGetOAuth2TokenName = 1;
 const int _authenticationServiceMethodClearOAuth2TokenName = 2;
 const int _authenticationServiceMethodGetOAuth2DeviceCodeName = 3;
 const int _authenticationServiceMethodAddAccountName = 4;
 
 class _AuthenticationServiceServiceDescription implements service_describer.ServiceDescription {
-  dynamic getTopLevelInterface([Function responseFactory]) =>
-      responseFactory(null);
+  void getTopLevelInterface(Function responder) {
+    responder(null);
+  }
 
-  dynamic getTypeDefinition(String typeKey, [Function responseFactory]) =>
-      responseFactory(null);
+  void getTypeDefinition(String typeKey, Function responder) {
+    responder(null);
+  }
 
-  dynamic getAllTypeDefinitions([Function responseFactory]) =>
-      responseFactory(null);
+  void getAllTypeDefinitions(Function responder) {
+    responder(null);
+  }
 }
 
 abstract class AuthenticationService {
   static const String serviceName = "authentication::AuthenticationService";
 
   static service_describer.ServiceDescription _cachedServiceDescription;
   static service_describer.ServiceDescription get serviceDescription {
     if (_cachedServiceDescription == null) {
       _cachedServiceDescription = new _AuthenticationServiceServiceDescription();
     }
     return _cachedServiceDescription;
   }
 
   static AuthenticationServiceProxy connectToService(
       bindings.ServiceConnector s, String url, [String serviceName]) {
     AuthenticationServiceProxy p = new AuthenticationServiceProxy.unbound();
     String name = serviceName ?? AuthenticationService.serviceName;
     if ((name == null) || name.isEmpty) {
       throw new core.MojoApiError(
           "If an interface has no ServiceName, then one must be provided.");
     }
     s.connectToService(url, p, name);
     return p;
   }
-  dynamic selectAccount(bool returnLastSelected,[Function responseFactory = null]);
-  dynamic getOAuth2Token(String username,List<String> scopes,[Function responseFactory = null]);
+  void selectAccount(bool returnLastSelected,void callback(String username, String error));
+  void getOAuth2Token(String username,List<String> scopes,void callback(String token, String error));
   void clearOAuth2Token(String token);
-  dynamic getOAuth2DeviceCode(List<String> scopes,[Function responseFactory = null]);
-  dynamic addAccount(String deviceCode,[Function responseFactory = null]);
+  void getOAuth2DeviceCode(List<String> scopes,void callback(String verificationUrl, String deviceCode, String userCode, String error));
+  void addAccount(String deviceCode,void callback(String username, String error));
 }
 
 abstract class AuthenticationServiceInterface
     implements bindings.MojoInterface<AuthenticationService>,
                AuthenticationService {
   factory AuthenticationServiceInterface([AuthenticationService impl]) =>
       new AuthenticationServiceStub.unbound(impl);
   factory AuthenticationServiceInterface.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint,
       [AuthenticationService impl]) =>
@@ skipping 22 matching lines @@
 
   void handleResponse(bindings.ServiceMessage message) {
     switch (message.header.type) {
       case _authenticationServiceMethodSelectAccountName:
         var r = AuthenticationServiceSelectAccountResponseParams.deserialize(
             message.payload);
         if (!message.header.hasRequestId) {
           proxyError("Expected a message with a valid request Id.");
           return;
         }
-        Completer c = completerMap[message.header.requestId];
-        if (c == null) {
+        Function callback = callbackMap[message.header.requestId];
+        if (callback == null) {
           proxyError(
               "Message had unknown request Id: ${message.header.requestId}");
           return;
         }
-        completerMap.remove(message.header.requestId);
-        if (c.isCompleted) {
-          proxyError("Response completer already completed");
-          return;
-        }
-        c.complete(r);
+        callbackMap.remove(message.header.requestId);
+        callback(r.username , r.error );
         break;
       case _authenticationServiceMethodGetOAuth2TokenName:
         var r = AuthenticationServiceGetOAuth2TokenResponseParams.deserialize(
             message.payload);
         if (!message.header.hasRequestId) {
           proxyError("Expected a message with a valid request Id.");
           return;
         }
-        Completer c = completerMap[message.header.requestId];
-        if (c == null) {
+        Function callback = callbackMap[message.header.requestId];
+        if (callback == null) {
           proxyError(
               "Message had unknown request Id: ${message.header.requestId}");
           return;
         }
-        completerMap.remove(message.header.requestId);
-        if (c.isCompleted) {
-          proxyError("Response completer already completed");
-          return;
-        }
-        c.complete(r);
+        callbackMap.remove(message.header.requestId);
+        callback(r.token , r.error );
         break;
       case _authenticationServiceMethodGetOAuth2DeviceCodeName:
         var r = AuthenticationServiceGetOAuth2DeviceCodeResponseParams.deserialize(
             message.payload);
         if (!message.header.hasRequestId) {
           proxyError("Expected a message with a valid request Id.");
           return;
         }
-        Completer c = completerMap[message.header.requestId];
-        if (c == null) {
+        Function callback = callbackMap[message.header.requestId];
+        if (callback == null) {
           proxyError(
               "Message had unknown request Id: ${message.header.requestId}");
           return;
         }
-        completerMap.remove(message.header.requestId);
-        if (c.isCompleted) {
-          proxyError("Response completer already completed");
-          return;
-        }
-        c.complete(r);
+        callbackMap.remove(message.header.requestId);
+        callback(r.verificationUrl , r.deviceCode , r.userCode , r.error );
         break;
       case _authenticationServiceMethodAddAccountName:
         var r = AuthenticationServiceAddAccountResponseParams.deserialize(
             message.payload);
         if (!message.header.hasRequestId) {
           proxyError("Expected a message with a valid request Id.");
           return;
         }
-        Completer c = completerMap[message.header.requestId];
-        if (c == null) {
+        Function callback = callbackMap[message.header.requestId];
+        if (callback == null) {
           proxyError(
               "Message had unknown request Id: ${message.header.requestId}");
           return;
         }
-        completerMap.remove(message.header.requestId);
-        if (c.isCompleted) {
-          proxyError("Response completer already completed");
-          return;
-        }
-        c.complete(r);
+        callbackMap.remove(message.header.requestId);
+        callback(r.username , r.error );
         break;
       default:
         proxyError("Unexpected message type: ${message.header.type}");
         close(immediate: true);
         break;
     }
   }
 
   AuthenticationService get impl => null;
   set impl(AuthenticationService _) {
@@ skipping 22 matching lines @@
   AuthenticationServiceProxy.unbound()
       : super(new _AuthenticationServiceProxyControl.unbound());
 
   static AuthenticationServiceProxy newFromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) {
     assert(endpoint.setDescription("For AuthenticationServiceProxy"));
     return new AuthenticationServiceProxy.fromEndpoint(endpoint);
   }
 
 
-  dynamic selectAccount(bool returnLastSelected,[Function responseFactory = null]) {
+  void selectAccount(bool returnLastSelected,void callback(String username, String error)) {
     var params = new _AuthenticationServiceSelectAccountParams();
     params.returnLastSelected = returnLastSelected;
-    return ctrl.sendMessageWithRequestId(
+    ctrl.sendMessageWithRequestId(
         params,
         _authenticationServiceMethodSelectAccountName,
         -1,
-        bindings.MessageHeader.kMessageExpectsResponse);
+        bindings.MessageHeader.kMessageExpectsResponse,
+        callback);
   }
-  dynamic getOAuth2Token(String username,List<String> scopes,[Function responseFactory = null]) {
+  void getOAuth2Token(String username,List<String> scopes,void callback(String token, String error)) {
     var params = new _AuthenticationServiceGetOAuth2TokenParams();
     params.username = username;
     params.scopes = scopes;
-    return ctrl.sendMessageWithRequestId(
+    ctrl.sendMessageWithRequestId(
         params,
         _authenticationServiceMethodGetOAuth2TokenName,
         -1,
-        bindings.MessageHeader.kMessageExpectsResponse);
+        bindings.MessageHeader.kMessageExpectsResponse,
+        callback);
   }
   void clearOAuth2Token(String token) {
     if (!ctrl.isBound) {
       ctrl.proxyError("The Proxy is closed.");
       return;
     }
     var params = new _AuthenticationServiceClearOAuth2TokenParams();
     params.token = token;
     ctrl.sendMessage(params,
         _authenticationServiceMethodClearOAuth2TokenName);
   }
-  dynamic getOAuth2DeviceCode(List<String> scopes,[Function responseFactory = null]) {
+  void getOAuth2DeviceCode(List<String> scopes,void callback(String verificationUrl, String deviceCode, String userCode, String error)) {
     var params = new _AuthenticationServiceGetOAuth2DeviceCodeParams();
     params.scopes = scopes;
-    return ctrl.sendMessageWithRequestId(
+    ctrl.sendMessageWithRequestId(
         params,
         _authenticationServiceMethodGetOAuth2DeviceCodeName,
         -1,
-        bindings.MessageHeader.kMessageExpectsResponse);
+        bindings.MessageHeader.kMessageExpectsResponse,
+        callback);
   }
-  dynamic addAccount(String deviceCode,[Function responseFactory = null]) {
+  void addAccount(String deviceCode,void callback(String username, String error)) {
     var params = new _AuthenticationServiceAddAccountParams();
     params.deviceCode = deviceCode;
-    return ctrl.sendMessageWithRequestId(
+    ctrl.sendMessageWithRequestId(
         params,
         _authenticationServiceMethodAddAccountName,
         -1,
-        bindings.MessageHeader.kMessageExpectsResponse);
+        bindings.MessageHeader.kMessageExpectsResponse,
+        callback);
   }
 }
 
 class _AuthenticationServiceStubControl
     extends bindings.StubMessageHandler
     implements bindings.StubControl<AuthenticationService> {
   AuthenticationService _impl;
 
   _AuthenticationServiceStubControl.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint, [AuthenticationService impl])
       : super.fromEndpoint(endpoint, autoBegin: impl != null) {
     _impl = impl;
   }
 
   _AuthenticationServiceStubControl.fromHandle(
       core.MojoHandle handle, [AuthenticationService impl])
       : super.fromHandle(handle, autoBegin: impl != null) {
     _impl = impl;
   }
 
   _AuthenticationServiceStubControl.unbound([this._impl]) : super.unbound();
 
   String get serviceName => AuthenticationService.serviceName;
 
 
-  AuthenticationServiceSelectAccountResponseParams _authenticationServiceSelectAccountResponseParamsFactory(String username, String error) {
-    var result = new AuthenticationServiceSelectAccountResponseParams();
-    result.username = username;
-    result.error = error;
-    return result;
+  Function _authenticationServiceSelectAccountResponseParamsResponder(
+      int requestId) {
+  return (String username, String error) {
+      var result = new AuthenticationServiceSelectAccountResponseParams();
+      result.username = username;
+      result.error = error;
+      sendResponse(buildResponseWithId(
+          result,
+          _authenticationServiceMethodSelectAccountName,
+          requestId,
+          bindings.MessageHeader.kMessageIsResponse));
+    };
   }
-  AuthenticationServiceGetOAuth2TokenResponseParams _authenticationServiceGetOAuth2TokenResponseParamsFactory(String token, String error) {
-    var result = new AuthenticationServiceGetOAuth2TokenResponseParams();
-    result.token = token;
-    result.error = error;
-    return result;
+  Function _authenticationServiceGetOAuth2TokenResponseParamsResponder(
+      int requestId) {
+  return (String token, String error) {
+      var result = new AuthenticationServiceGetOAuth2TokenResponseParams();
+      result.token = token;
+      result.error = error;
+      sendResponse(buildResponseWithId(
+          result,
+          _authenticationServiceMethodGetOAuth2TokenName,
+          requestId,
+          bindings.MessageHeader.kMessageIsResponse));
+    };
   }
-  AuthenticationServiceGetOAuth2DeviceCodeResponseParams _authenticationServiceGetOAuth2DeviceCodeResponseParamsFactory(String verificationUrl, String deviceCode, String userCode, String error) {
-    var result = new AuthenticationServiceGetOAuth2DeviceCodeResponseParams();
-    result.verificationUrl = verificationUrl;
-    result.deviceCode = deviceCode;
-    result.userCode = userCode;
-    result.error = error;
-    return result;
+  Function _authenticationServiceGetOAuth2DeviceCodeResponseParamsResponder(
+      int requestId) {
+  return (String verificationUrl, String deviceCode, String userCode, String error) {
+      var result = new AuthenticationServiceGetOAuth2DeviceCodeResponseParams();
+      result.verificationUrl = verificationUrl;
+      result.deviceCode = deviceCode;
+      result.userCode = userCode;
+      result.error = error;
+      sendResponse(buildResponseWithId(
+          result,
+          _authenticationServiceMethodGetOAuth2DeviceCodeName,
+          requestId,
+          bindings.MessageHeader.kMessageIsResponse));
+    };
   }
-  AuthenticationServiceAddAccountResponseParams _authenticationServiceAddAccountResponseParamsFactory(String username, String error) {
-    var result = new AuthenticationServiceAddAccountResponseParams();
-    result.username = username;
-    result.error = error;
-    return result;
+  Function _authenticationServiceAddAccountResponseParamsResponder(
+      int requestId) {
+  return (String username, String error) {
+      var result = new AuthenticationServiceAddAccountResponseParams();
+      result.username = username;
+      result.error = error;
+      sendResponse(buildResponseWithId(
+          result,
+          _authenticationServiceMethodAddAccountName,
+          requestId,
+          bindings.MessageHeader.kMessageIsResponse));
+    };
   }
 
-  dynamic handleMessage(bindings.ServiceMessage message) {
+  void handleMessage(bindings.ServiceMessage message) {
     if (bindings.ControlMessageHandler.isControlMessage(message)) {
-      return bindings.ControlMessageHandler.handleMessage(this,
-                                                          0,
-                                                          message);
+      bindings.ControlMessageHandler.handleMessage(
+          this, 0, message);
+      return;
     }
     if (_impl == null) {
       throw new core.MojoApiError("$this has no implementation set");
     }
     switch (message.header.type) {
       case _authenticationServiceMethodSelectAccountName:
         var params = _AuthenticationServiceSelectAccountParams.deserialize(
             message.payload);
-        var response = _impl.selectAccount(params.returnLastSelected,_authenticationServiceSelectAccountResponseParamsFactory);
-        if (response is Future) {
-          return response.then((response) {
-            if (response != null) {
-              return buildResponseWithId(
-                  response,
-                  _authenticationServiceMethodSelectAccountName,
-                  message.header.requestId,
-                  bindings.MessageHeader.kMessageIsResponse);
-            }
-          });
-        } else if (response != null) {
-          return buildResponseWithId(
-              response,
-              _authenticationServiceMethodSelectAccountName,
-              message.header.requestId,
-              bindings.MessageHeader.kMessageIsResponse);
-        }
+        _impl.selectAccount(params.returnLastSelected, _authenticationServiceSelectAccountResponseParamsResponder(message.header.requestId));
         break;
       case _authenticationServiceMethodGetOAuth2TokenName:
         var params = _AuthenticationServiceGetOAuth2TokenParams.deserialize(
             message.payload);
-        var response = _impl.getOAuth2Token(params.username,params.scopes,_authenticationServiceGetOAuth2TokenResponseParamsFactory);
-        if (response is Future) {
-          return response.then((response) {
-            if (response != null) {
-              return buildResponseWithId(
-                  response,
-                  _authenticationServiceMethodGetOAuth2TokenName,
-                  message.header.requestId,
-                  bindings.MessageHeader.kMessageIsResponse);
-            }
-          });
-        } else if (response != null) {
-          return buildResponseWithId(
-              response,
-              _authenticationServiceMethodGetOAuth2TokenName,
-              message.header.requestId,
-              bindings.MessageHeader.kMessageIsResponse);
-        }
+        _impl.getOAuth2Token(params.username, params.scopes, _authenticationServiceGetOAuth2TokenResponseParamsResponder(message.header.requestId));
         break;
       case _authenticationServiceMethodClearOAuth2TokenName:
         var params = _AuthenticationServiceClearOAuth2TokenParams.deserialize(
             message.payload);
         _impl.clearOAuth2Token(params.token);
         break;
       case _authenticationServiceMethodGetOAuth2DeviceCodeName:
         var params = _AuthenticationServiceGetOAuth2DeviceCodeParams.deserialize(
             message.payload);
-        var response = _impl.getOAuth2DeviceCode(params.scopes,_authenticationServiceGetOAuth2DeviceCodeResponseParamsFactory);
-        if (response is Future) {
-          return response.then((response) {
-            if (response != null) {
-              return buildResponseWithId(
-                  response,
-                  _authenticationServiceMethodGetOAuth2DeviceCodeName,
-                  message.header.requestId,
-                  bindings.MessageHeader.kMessageIsResponse);
-            }
-          });
-        } else if (response != null) {
-          return buildResponseWithId(
-              response,
-              _authenticationServiceMethodGetOAuth2DeviceCodeName,
-              message.header.requestId,
-              bindings.MessageHeader.kMessageIsResponse);
-        }
+        _impl.getOAuth2DeviceCode(params.scopes, _authenticationServiceGetOAuth2DeviceCodeResponseParamsResponder(message.header.requestId));
         break;
       case _authenticationServiceMethodAddAccountName:
         var params = _AuthenticationServiceAddAccountParams.deserialize(
             message.payload);
-        var response = _impl.addAccount(params.deviceCode,_authenticationServiceAddAccountResponseParamsFactory);
-        if (response is Future) {
-          return response.then((response) {
-            if (response != null) {
-              return buildResponseWithId(
-                  response,
-                  _authenticationServiceMethodAddAccountName,
-                  message.header.requestId,
-                  bindings.MessageHeader.kMessageIsResponse);
-            }
-          });
-        } else if (response != null) {
-          return buildResponseWithId(
-              response,
-              _authenticationServiceMethodAddAccountName,
-              message.header.requestId,
-              bindings.MessageHeader.kMessageIsResponse);
-        }
+        _impl.addAccount(params.deviceCode, _authenticationServiceAddAccountResponseParamsResponder(message.header.requestId));
         break;
       default:
         throw new bindings.MojoCodecError("Unexpected message name");
         break;
     }
-    return null;
   }
 
   AuthenticationService get impl => _impl;
   set impl(AuthenticationService d) {
     if (d == null) {
       throw new core.MojoApiError("$this: Cannot set a null implementation");
     }
     if (isBound && (_impl == null)) {
       beginHandlingEvents();
     }
@@ skipping 33 matching lines @@
       core.MojoHandle handle, [AuthenticationService impl])
       : super(new _AuthenticationServiceStubControl.fromHandle(handle, impl));
 
   static AuthenticationServiceStub newFromEndpoint(
       core.MojoMessagePipeEndpoint endpoint) {
     assert(endpoint.setDescription("For AuthenticationServiceStub"));
     return new AuthenticationServiceStub.fromEndpoint(endpoint);
   }
 
 
-  dynamic selectAccount(bool returnLastSelected,[Function responseFactory = null]) {
-    return impl.selectAccount(returnLastSelected,responseFactory);
+  void selectAccount(bool returnLastSelected,void callback(String username, String error)) {
+    return impl.selectAccount(returnLastSelected,callback);
   }
-  dynamic getOAuth2Token(String username,List<String> scopes,[Function responseFactory = null]) {
-    return impl.getOAuth2Token(username,scopes,responseFactory);
+  void getOAuth2Token(String username,List<String> scopes,void callback(String token, String error)) {
+    return impl.getOAuth2Token(username,scopes,callback);
   }
   void clearOAuth2Token(String token) {
     return impl.clearOAuth2Token(token);
   }
-  dynamic getOAuth2DeviceCode(List<String> scopes,[Function responseFactory = null]) {
-    return impl.getOAuth2DeviceCode(scopes,responseFactory);
+  void getOAuth2DeviceCode(List<String> scopes,void callback(String verificationUrl, String deviceCode, String userCode, String error)) {
+    return impl.getOAuth2DeviceCode(scopes,callback);
   }
-  dynamic addAccount(String deviceCode,[Function responseFactory = null]) {
-    return impl.addAccount(deviceCode,responseFactory);
+  void addAccount(String deviceCode,void callback(String username, String error)) {
+    return impl.addAccount(deviceCode,callback);
   }
 }