Initial checkin of the new Mozart compositor.

mojo/dart/packages/mojo_services/lib/mojo/gfx/composition/compositor.mojom.dart

Index: mojo/dart/packages/mojo_services/lib/mojo/gfx/composition/compositor.mojom.dart
diff --git a/mojo/dart/packages/mojo_services/lib/mojo/gfx/composition/compositor.mojom.dart b/mojo/dart/packages/mojo_services/lib/mojo/gfx/composition/compositor.mojom.dart
new file mode 100644
index 0000000000000000000000000000000000000000..832d45d88b38a1280bbf16020cde33192e40d18b
--- /dev/null
+++ b/mojo/dart/packages/mojo_services/lib/mojo/gfx/composition/compositor.mojom.dart
@@ -0,0 +1,472 @@
+// 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 compositor_mojom;
+
+import 'dart:async';
+
+import 'package:mojo/bindings.dart' as bindings;
+import 'package:mojo/core.dart' as core;
+import 'package:mojo_services/mojo/geometry.mojom.dart' as geometry_mojom;
+import 'package:mojo_services/mojo/context_provider.mojom.dart' as context_provider_mojom;
+import 'package:mojo_services/mojo/gfx/composition/scene_token.mojom.dart' as scene_token_mojom;
+import 'package:mojo_services/mojo/gfx/composition/scenes.mojom.dart' as scenes_mojom;
+import 'package:mojo_services/mojo/gfx/composition/renderers.mojom.dart' as renderers_mojom;
+const int kLabelMaxLength = 32;
+
+
+
+class _CompositorCreateSceneParams extends bindings.Struct {
+  static const List<bindings.StructDataHeader> kVersions = const [
+    const bindings.StructDataHeader(24, 0)
+  ];
+  Object scene = null;
+  String label = null;
+
+  _CompositorCreateSceneParams() : super(kVersions.last.size);
+
+  static _CompositorCreateSceneParams 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 _CompositorCreateSceneParams decode(bindings.Decoder decoder0) {
+    if (decoder0 == null) {
+      return null;
+    }
+    _CompositorCreateSceneParams result = new _CompositorCreateSceneParams();
+
+    var mainDataHeader = decoder0.decodeStructDataHeader();
+    if (mainDataHeader.version <= kVersions.last.version) {
+      // Scan in reverse order to optimize for more recent versions.
+      for (int i = kVersions.length - 1; i >= 0; --i) {
+        if (mainDataHeader.version >= kVersions[i].version) {
+          if (mainDataHeader.size == kVersions[i].size) {
+            // Found a match.
+            break;
+          }
+          throw new bindings.MojoCodecError(
+              'Header size doesn\'t correspond to known version size.');
+        }
+      }
+    } else if (mainDataHeader.size < kVersions.last.size) {
+      throw new bindings.MojoCodecError(
+        'Message newer than the last known version cannot be shorter than '
+        'required by the last known version.');
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      result.scene = decoder0.decodeInterfaceRequest(8, false, scenes_mojom.SceneStub.newFromEndpoint);
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      result.label = decoder0.decodeString(16, true);
+    }
+    return result;
+  }
+
+  void encode(bindings.Encoder encoder) {
+    var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
+    
+    encoder0.encodeInterfaceRequest(scene, 8, false);
+    
+    encoder0.encodeString(label, 16, true);
+  }
+
+  String toString() {
+    return "_CompositorCreateSceneParams("
+           "scene: $scene" ", "
+           "label: $label" ")";
+  }
+
+  Map toJson() {
+    throw new bindings.MojoCodecError(
+        'Object containing handles cannot be encoded to JSON.');
+  }
+}
+
+
+class CompositorCreateSceneResponseParams extends bindings.Struct {
+  static const List<bindings.StructDataHeader> kVersions = const [
+    const bindings.StructDataHeader(16, 0)
+  ];
+  scene_token_mojom.SceneToken sceneToken = null;
+
+  CompositorCreateSceneResponseParams() : super(kVersions.last.size);
+
+  static CompositorCreateSceneResponseParams 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 CompositorCreateSceneResponseParams decode(bindings.Decoder decoder0) {
+    if (decoder0 == null) {
+      return null;
+    }
+    CompositorCreateSceneResponseParams result = new CompositorCreateSceneResponseParams();
+
+    var mainDataHeader = decoder0.decodeStructDataHeader();
+    if (mainDataHeader.version <= kVersions.last.version) {
+      // Scan in reverse order to optimize for more recent versions.
+      for (int i = kVersions.length - 1; i >= 0; --i) {
+        if (mainDataHeader.version >= kVersions[i].version) {
+          if (mainDataHeader.size == kVersions[i].size) {
+            // Found a match.
+            break;
+          }
+          throw new bindings.MojoCodecError(
+              'Header size doesn\'t correspond to known version size.');
+        }
+      }
+    } else if (mainDataHeader.size < kVersions.last.size) {
+      throw new bindings.MojoCodecError(
+        'Message newer than the last known version cannot be shorter than '
+        'required by the last known version.');
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      var decoder1 = decoder0.decodePointer(8, false);
+      result.sceneToken = scene_token_mojom.SceneToken.decode(decoder1);
+    }
+    return result;
+  }
+
+  void encode(bindings.Encoder encoder) {
+    var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
+    
+    encoder0.encodeStruct(sceneToken, 8, false);
+  }
+
+  String toString() {
+    return "CompositorCreateSceneResponseParams("
+           "sceneToken: $sceneToken" ")";
+  }
+
+  Map toJson() {
+    Map map = new Map();
+    map["sceneToken"] = sceneToken;
+    return map;
+  }
+}
+
+
+class _CompositorCreateRendererParams extends bindings.Struct {
+  static const List<bindings.StructDataHeader> kVersions = const [
+    const bindings.StructDataHeader(32, 0)
+  ];
+  Object contextProvider = null;
+  Object renderer = null;
+  String label = null;
+
+  _CompositorCreateRendererParams() : super(kVersions.last.size);
+
+  static _CompositorCreateRendererParams 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 _CompositorCreateRendererParams decode(bindings.Decoder decoder0) {
+    if (decoder0 == null) {
+      return null;
+    }
+    _CompositorCreateRendererParams result = new _CompositorCreateRendererParams();
+
+    var mainDataHeader = decoder0.decodeStructDataHeader();
+    if (mainDataHeader.version <= kVersions.last.version) {
+      // Scan in reverse order to optimize for more recent versions.
+      for (int i = kVersions.length - 1; i >= 0; --i) {
+        if (mainDataHeader.version >= kVersions[i].version) {
+          if (mainDataHeader.size == kVersions[i].size) {
+            // Found a match.
+            break;
+          }
+          throw new bindings.MojoCodecError(
+              'Header size doesn\'t correspond to known version size.');
+        }
+      }
+    } else if (mainDataHeader.size < kVersions.last.size) {
+      throw new bindings.MojoCodecError(
+        'Message newer than the last known version cannot be shorter than '
+        'required by the last known version.');
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      result.contextProvider = decoder0.decodeServiceInterface(8, false, context_provider_mojom.ContextProviderProxy.newFromEndpoint);
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      result.renderer = decoder0.decodeInterfaceRequest(16, false, renderers_mojom.RendererStub.newFromEndpoint);
+    }
+    if (mainDataHeader.version >= 0) {
+      
+      result.label = decoder0.decodeString(24, true);
+    }
+    return result;
+  }
+
+  void encode(bindings.Encoder encoder) {
+    var encoder0 = encoder.getStructEncoderAtOffset(kVersions.last);
+    
+    encoder0.encodeInterface(contextProvider, 8, false);
+    
+    encoder0.encodeInterfaceRequest(renderer, 16, false);
+    
+    encoder0.encodeString(label, 24, true);
+  }
+
+  String toString() {
+    return "_CompositorCreateRendererParams("
+           "contextProvider: $contextProvider" ", "
+           "renderer: $renderer" ", "
+           "label: $label" ")";
+  }
+
+  Map toJson() {
+    throw new bindings.MojoCodecError(
+        'Object containing handles cannot be encoded to JSON.');
+  }
+}
+
+const int _Compositor_createSceneName = 0;
+const int _Compositor_createRendererName = 1;
+
+abstract class Compositor {
+  static const String serviceName = "mojo::gfx::composition::Compositor";
+  dynamic createScene(Object scene,String label,[Function responseFactory = null]);
+  void createRenderer(Object contextProvider, Object renderer, String label);
+}
+
+
+class _CompositorProxyImpl extends bindings.Proxy {
+  _CompositorProxyImpl.fromEndpoint(
+      core.MojoMessagePipeEndpoint endpoint) : super.fromEndpoint(endpoint);
+
+  _CompositorProxyImpl.fromHandle(core.MojoHandle handle) :
+      super.fromHandle(handle);
+
+  _CompositorProxyImpl.unbound() : super.unbound();
+
+  static _CompositorProxyImpl newFromEndpoint(
+      core.MojoMessagePipeEndpoint endpoint) {
+    assert(endpoint.setDescription("For _CompositorProxyImpl"));
+    return new _CompositorProxyImpl.fromEndpoint(endpoint);
+  }
+
+  void handleResponse(bindings.ServiceMessage message) {
+    switch (message.header.type) {
+      case _Compositor_createSceneName:
+        var r = CompositorCreateSceneResponseParams.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) {
+          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);
+        break;
+      default:
+        proxyError("Unexpected message type: ${message.header.type}");
+        close(immediate: true);
+        break;
+    }
+  }
+
+  String toString() {
+    var superString = super.toString();
+    return "_CompositorProxyImpl($superString)";
+  }
+}
+
+
+class _CompositorProxyCalls implements Compositor {
+  _CompositorProxyImpl _proxyImpl;
+
+  _CompositorProxyCalls(this._proxyImpl);
+    dynamic createScene(Object scene,String label,[Function responseFactory = null]) {
+      var params = new _CompositorCreateSceneParams();
+      params.scene = scene;
+      params.label = label;
+      return _proxyImpl.sendMessageWithRequestId(
+          params,
+          _Compositor_createSceneName,
+          -1,
+          bindings.MessageHeader.kMessageExpectsResponse);
+    }
+    void createRenderer(Object contextProvider, Object renderer, String label) {
+      if (!_proxyImpl.isBound) {
+        _proxyImpl.proxyError("The Proxy is closed.");
+        return;
+      }
+      var params = new _CompositorCreateRendererParams();
+      params.contextProvider = contextProvider;
+      params.renderer = renderer;
+      params.label = label;
+      _proxyImpl.sendMessage(params, _Compositor_createRendererName);
+    }
+}
+
+
+class CompositorProxy implements bindings.ProxyBase {
+  final bindings.Proxy impl;
+  Compositor ptr;
+
+  CompositorProxy(_CompositorProxyImpl proxyImpl) :
+      impl = proxyImpl,
+      ptr = new _CompositorProxyCalls(proxyImpl);
+
+  CompositorProxy.fromEndpoint(
+      core.MojoMessagePipeEndpoint endpoint) :
+      impl = new _CompositorProxyImpl.fromEndpoint(endpoint) {
+    ptr = new _CompositorProxyCalls(impl);
+  }
+
+  CompositorProxy.fromHandle(core.MojoHandle handle) :
+      impl = new _CompositorProxyImpl.fromHandle(handle) {
+    ptr = new _CompositorProxyCalls(impl);
+  }
+
+  CompositorProxy.unbound() :
+      impl = new _CompositorProxyImpl.unbound() {
+    ptr = new _CompositorProxyCalls(impl);
+  }
+
+  factory CompositorProxy.connectToService(
+      bindings.ServiceConnector s, String url, [String serviceName]) {
+    CompositorProxy p = new CompositorProxy.unbound();
+    s.connectToService(url, p, serviceName);
+    return p;
+  }
+
+  static CompositorProxy newFromEndpoint(
+      core.MojoMessagePipeEndpoint endpoint) {
+    assert(endpoint.setDescription("For CompositorProxy"));
+    return new CompositorProxy.fromEndpoint(endpoint);
+  }
+
+  String get serviceName => Compositor.serviceName;
+
+  Future close({bool immediate: false}) => impl.close(immediate: immediate);
+
+  Future responseOrError(Future f) => impl.responseOrError(f);
+
+  Future get errorFuture => impl.errorFuture;
+
+  int get version => impl.version;
+
+  Future<int> queryVersion() => impl.queryVersion();
+
+  void requireVersion(int requiredVersion) {
+    impl.requireVersion(requiredVersion);
+  }
+
+  String toString() {
+    return "CompositorProxy($impl)";
+  }
+}
+
+
+class CompositorStub extends bindings.Stub {
+  Compositor _impl = null;
+
+  CompositorStub.fromEndpoint(
+      core.MojoMessagePipeEndpoint endpoint, [this._impl])
+      : super.fromEndpoint(endpoint);
+
+  CompositorStub.fromHandle(core.MojoHandle handle, [this._impl])
+      : super.fromHandle(handle);
+
+  CompositorStub.unbound() : super.unbound();
+
+  static CompositorStub newFromEndpoint(
+      core.MojoMessagePipeEndpoint endpoint) {
+    assert(endpoint.setDescription("For CompositorStub"));
+    return new CompositorStub.fromEndpoint(endpoint);
+  }
+
+
+  CompositorCreateSceneResponseParams _CompositorCreateSceneResponseParamsFactory(scene_token_mojom.SceneToken sceneToken) {
+    var mojo_factory_result = new CompositorCreateSceneResponseParams();
+    mojo_factory_result.sceneToken = sceneToken;
+    return mojo_factory_result;
+  }
+
+  dynamic handleMessage(bindings.ServiceMessage message) {
+    if (bindings.ControlMessageHandler.isControlMessage(message)) {
+      return bindings.ControlMessageHandler.handleMessage(this,
+                                                          0,
+                                                          message);
+    }
+    assert(_impl != null);
+    switch (message.header.type) {
+      case _Compositor_createSceneName:
+        var params = _CompositorCreateSceneParams.deserialize(
+            message.payload);
+        var response = _impl.createScene(params.scene,params.label,_CompositorCreateSceneResponseParamsFactory);
+        if (response is Future) {
+          return response.then((response) {
+            if (response != null) {
+              return buildResponseWithId(
+                  response,
+                  _Compositor_createSceneName,
+                  message.header.requestId,
+                  bindings.MessageHeader.kMessageIsResponse);
+            }
+          });
+        } else if (response != null) {
+          return buildResponseWithId(
+              response,
+              _Compositor_createSceneName,
+              message.header.requestId,
+              bindings.MessageHeader.kMessageIsResponse);
+        }
+        break;
+      case _Compositor_createRendererName:
+        var params = _CompositorCreateRendererParams.deserialize(
+            message.payload);
+        _impl.createRenderer(params.contextProvider, params.renderer, params.label);
+        break;
+      default:
+        throw new bindings.MojoCodecError("Unexpected message name");
+        break;
+    }
+    return null;
+  }
+
+  Compositor get impl => _impl;
+  set impl(Compositor d) {
+    assert(_impl == null);
+    _impl = d;
+  }
+
+  String toString() {
+    var superString = super.toString();
+    return "CompositorStub($superString)";
+  }
+
+  int get version => 0;
+}
+
+