ServiceProvider.

mojo/public/cpp/application/exported_service_registry.h

Index: mojo/public/cpp/application/exported_service_registry.h
diff --git a/mojo/public/cpp/application/exported_service_registry.h b/mojo/public/cpp/application/exported_service_registry.h
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+// 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.
+
+#ifndef MOJO_PUBLIC_APPLICATION_EXPORTED_SERVICE_REGISTRY_H_
+#define MOJO_PUBLIC_APPLICATION_EXPORTED_SERVICE_REGISTRY_H_
+
+#include "mojo/public/cpp/application/lib/service_connector.h"
+#include "mojo/public/interfaces/application/service_provider.mojom.h"
+
+namespace mojo {
+namespace internal {
+class ServiceConnectorBase;
+}
+
+class RemoteServiceProvider : public ServiceProvider {
+ public:
+  explicit RemoteServiceProvider(ServiceProvider* service_provider)
+      : service_provider_(service_provider) {}
+  virtual ~RemoteServiceProvider() {}
+
+  void Clear() {
+    service_provider_ = NULL;
+  }
+
+  virtual void ConnectToService(
+      const String& service_name,
+      ScopedMessagePipeHandle client_handle) MOJO_OVERRIDE {
+    if (service_provider_)
+      service_provider_->ConnectToService(service_name, client_handle.Pass());
+  }
+
+ private:
+  ServiceProvider* service_provider_;
+
+  MOJO_DISALLOW_COPY_AND_ASSIGN(RemoteServiceProvider);
+};
+
+class ExportedServiceRegistry : public InterfaceImpl<ServiceProvider> {
+ public:
+  ExportedServiceRegistry();
+  virtual ~ExportedServiceRegistry();
+
+  template <typename Interface>
+  void AddService(InterfaceFactory<Interface>* factory) {
+    AddServiceConnector(
+        new internal::InterfaceFactoryConnector<Interface>(factory));
+  }
+
+  void set_remote(RemoteServiceProvider* remote) { remote_ = remote; }
+
+ private:
+  typedef std::map<std::string, internal::ServiceConnectorBase*>
+      NameToServiceConnectorMap;
+
+  // Overridden from ServiceProvider:
+  virtual void ConnectToService(
+      const String& service_name,
+      ScopedMessagePipeHandle client_handle) MOJO_OVERRIDE;
+
+  // Overridden from InterfaceImpl:
+  virtual void OnConnectionError() MOJO_OVERRIDE {
+    if (remote_)
+      remote_->Clear();
+    remote_ = NULL;
+  }
+
+  void AddServiceConnector(
+      internal::ServiceConnectorBase* service_connector);
+  void RemoveServiceConnector(
+      internal::ServiceConnectorBase* service_connector);
+
+  NameToServiceConnectorMap service_connectors_;
+
+  RemoteServiceProvider* remote_;
+
+  MOJO_DISALLOW_COPY_AND_ASSIGN(ExportedServiceRegistry);
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_PUBLIC_APPLICATION_EXPORTED_SERVICE_REGISTRY_H_