Dart: Futures -> Callbacks.

mojo/dart/packages/mojo_services/lib/mojo/media/media_player.mojom.dart

 // WARNING: DO NOT EDIT. This file was generated by a program.
 // See $MOJO_SDK/tools/bindings/mojom_bindings_generator.py.
 
 library media_player_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;
 import 'package:mojo_services/mojo/media/media_metadata.mojom.dart' as media_metadata_mojom;
 import 'package:mojo_services/mojo/timelines.mojom.dart' as timelines_mojom;
 
 
 
 class MediaPlayerStatus extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(32, 0)
   ];
   timelines_mojom.TimelineTransform timelineTransform = null;
   bool endOfStream = false;
   media_metadata_mojom.MediaMetadata metadata = null;
 
   MediaPlayerStatus() : super(kVersions.last.size);
 
+  MediaPlayerStatus.init(
+    timelines_mojom.TimelineTransform this.timelineTransform, 
+    bool this.endOfStream, 
+    media_metadata_mojom.MediaMetadata this.metadata
+  ) : super(kVersions.last.size);
+
   static MediaPlayerStatus 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 MediaPlayerStatus decode(bindings.Decoder decoder0) {
@@ skipping 79 matching lines @@
 }
 
 
 class _MediaPlayerPlayParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(8, 0)
   ];
 
   _MediaPlayerPlayParams() : super(kVersions.last.size);
 
+  _MediaPlayerPlayParams.init(
+  ) : super(kVersions.last.size);
+
   static _MediaPlayerPlayParams 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 _MediaPlayerPlayParams decode(bindings.Decoder decoder0) {
@@ skipping 38 matching lines @@
 }
 
 
 class _MediaPlayerPauseParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(8, 0)
   ];
 
   _MediaPlayerPauseParams() : super(kVersions.last.size);
 
+  _MediaPlayerPauseParams.init(
+  ) : super(kVersions.last.size);
+
   static _MediaPlayerPauseParams 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 _MediaPlayerPauseParams decode(bindings.Decoder decoder0) {
@@ skipping 39 matching lines @@
 
 
 class _MediaPlayerSeekParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(16, 0)
   ];
   int position = 0;
 
   _MediaPlayerSeekParams() : super(kVersions.last.size);
 
+  _MediaPlayerSeekParams.init(
+    int this.position
+  ) : super(kVersions.last.size);
+
   static _MediaPlayerSeekParams 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 _MediaPlayerSeekParams decode(bindings.Decoder decoder0) {
@@ skipping 52 matching lines @@
 
 
 class _MediaPlayerGetStatusParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(16, 0)
   ];
   int versionLastSeen = 0;
 
   _MediaPlayerGetStatusParams() : super(kVersions.last.size);
 
+  _MediaPlayerGetStatusParams.init(
+    int this.versionLastSeen
+  ) : super(kVersions.last.size);
+
   static _MediaPlayerGetStatusParams 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 _MediaPlayerGetStatusParams decode(bindings.Decoder decoder0) {
@@ skipping 53 matching lines @@
 
 class MediaPlayerGetStatusResponseParams extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(24, 0)
   ];
   int version = 0;
   MediaPlayerStatus status = null;
 
   MediaPlayerGetStatusResponseParams() : super(kVersions.last.size);
 
+  MediaPlayerGetStatusResponseParams.init(
+    int this.version, 
+    MediaPlayerStatus this.status
+  ) : super(kVersions.last.size);
+
   static MediaPlayerGetStatusResponseParams 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 MediaPlayerGetStatusResponseParams decode(bindings.Decoder decoder0) {
@@ skipping 63 matching lines @@
     return map;
   }
 }
 
 const int _mediaPlayerMethodPlayName = 0;
 const int _mediaPlayerMethodPauseName = 1;
 const int _mediaPlayerMethodSeekName = 2;
 const int _mediaPlayerMethodGetStatusName = 3;
 
 class _MediaPlayerServiceDescription 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 MediaPlayer {
   static const String serviceName = null;
 
   static service_describer.ServiceDescription _cachedServiceDescription;
   static service_describer.ServiceDescription get serviceDescription {
     if (_cachedServiceDescription == null) {
       _cachedServiceDescription = new _MediaPlayerServiceDescription();
     }
     return _cachedServiceDescription;
   }
 
   static MediaPlayerProxy connectToService(
       bindings.ServiceConnector s, String url, [String serviceName]) {
     MediaPlayerProxy p = new MediaPlayerProxy.unbound();
     String name = serviceName ?? MediaPlayer.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;
   }
   void play();
   void pause();
   void seek(int position);
-  dynamic getStatus(int versionLastSeen,[Function responseFactory = null]);
+  void getStatus(int versionLastSeen,void callback(int version, MediaPlayerStatus status));
   static const int kInitialStatus = 0;
 }
 
 abstract class MediaPlayerInterface
     implements bindings.MojoInterface<MediaPlayer>,
                MediaPlayer {
   factory MediaPlayerInterface([MediaPlayer impl]) =>
       new MediaPlayerStub.unbound(impl);
 
   factory MediaPlayerInterface.fromEndpoint(
@@ skipping 30 matching lines @@
 
   void handleResponse(bindings.ServiceMessage message) {
     switch (message.header.type) {
       case _mediaPlayerMethodGetStatusName:
         var r = MediaPlayerGetStatusResponseParams.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.version , r.status );
         break;
       default:
         proxyError("Unexpected message type: ${message.header.type}");
         close(immediate: true);
         break;
     }
   }
 
   @override
   String toString() {
@@ skipping 64 matching lines @@
     }
     if (!ctrl.isBound) {
       ctrl.proxyError("The Proxy is closed.");
       return;
     }
     var params = new _MediaPlayerSeekParams();
     params.position = position;
     ctrl.sendMessage(params,
         _mediaPlayerMethodSeekName);
   }
-  dynamic getStatus(int versionLastSeen,[Function responseFactory = null]) {
+  void getStatus(int versionLastSeen,void callback(int version, MediaPlayerStatus status)) {
     if (impl != null) {
-      return new Future(() => impl.getStatus(versionLastSeen,_MediaPlayerStubControl._mediaPlayerGetStatusResponseParamsFactory));
+      impl.getStatus(versionLastSeen,callback);
+      return;
     }
     var params = new _MediaPlayerGetStatusParams();
     params.versionLastSeen = versionLastSeen;
-    return ctrl.sendMessageWithRequestId(
+    ctrl.sendMessageWithRequestId(
         params,
         _mediaPlayerMethodGetStatusName,
         -1,
-        bindings.MessageHeader.kMessageExpectsResponse);
+        bindings.MessageHeader.kMessageExpectsResponse,
+        callback);
   }
 }
 
 class _MediaPlayerStubControl
     extends bindings.StubMessageHandler
     implements bindings.StubControl<MediaPlayer> {
   MediaPlayer _impl;
 
   _MediaPlayerStubControl.fromEndpoint(
       core.MojoMessagePipeEndpoint endpoint, [MediaPlayer impl])
       : super.fromEndpoint(endpoint, autoBegin: impl != null) {
     _impl = impl;
   }
 
   _MediaPlayerStubControl.fromHandle(
       core.MojoHandle handle, [MediaPlayer impl])
       : super.fromHandle(handle, autoBegin: impl != null) {
     _impl = impl;
   }
 
   _MediaPlayerStubControl.unbound([this._impl]) : super.unbound();
 
   String get serviceName => MediaPlayer.serviceName;
 
 
-  static MediaPlayerGetStatusResponseParams _mediaPlayerGetStatusResponseParamsFactory(int version, MediaPlayerStatus status) {
-    var result = new MediaPlayerGetStatusResponseParams();
-    result.version = version;
-    result.status = status;
-    return result;
+  Function _mediaPlayerGetStatusResponseParamsResponder(
+      int requestId) {
+  return (int version, MediaPlayerStatus status) {
+      var result = new MediaPlayerGetStatusResponseParams();
+      result.version = version;
+      result.status = status;
+      sendResponse(buildResponseWithId(
+          result,
+          _mediaPlayerMethodGetStatusName,
+          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 _mediaPlayerMethodPlayName:
         _impl.play();
         break;
       case _mediaPlayerMethodPauseName:
         _impl.pause();
         break;
       case _mediaPlayerMethodSeekName:
         var params = _MediaPlayerSeekParams.deserialize(
             message.payload);
         _impl.seek(params.position);
         break;
       case _mediaPlayerMethodGetStatusName:
         var params = _MediaPlayerGetStatusParams.deserialize(
             message.payload);
-        var response = _impl.getStatus(params.versionLastSeen,_mediaPlayerGetStatusResponseParamsFactory);
-        if (response is Future) {
-          return response.then((response) {
-            if (response != null) {
-              return buildResponseWithId(
-                  response,
-                  _mediaPlayerMethodGetStatusName,
-                  message.header.requestId,
-                  bindings.MessageHeader.kMessageIsResponse);
-            }
-          });
-        } else if (response != null) {
-          return buildResponseWithId(
-              response,
-              _mediaPlayerMethodGetStatusName,
-              message.header.requestId,
-              bindings.MessageHeader.kMessageIsResponse);
-        }
+        _impl.getStatus(params.versionLastSeen, _mediaPlayerGetStatusResponseParamsResponder(message.header.requestId));
         break;
       default:
         throw new bindings.MojoCodecError("Unexpected message name");
         break;
     }
-    return null;
   }
 
   MediaPlayer get impl => _impl;
   set impl(MediaPlayer d) {
     if (d == null) {
       throw new core.MojoApiError("$this: Cannot set a null implementation");
     }
     if (isBound && (_impl == null)) {
       beginHandlingEvents();
     }
@@ skipping 42 matching lines @@
 
   void play() {
     return impl.play();
   }
   void pause() {
     return impl.pause();
   }
   void seek(int position) {
     return impl.seek(position);
   }
-  dynamic getStatus(int versionLastSeen,[Function responseFactory = null]) {
-    return impl.getStatus(versionLastSeen,responseFactory);
+  void getStatus(int versionLastSeen,void callback(int version, MediaPlayerStatus status)) {
+    return impl.getStatus(versionLastSeen,callback);
   }
 }