Implement RegisterComponent method call.

chromeos/dbus/ibus/ibus_client.h

 // Copyright (c) 2012 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 CHROMEOS_DBUS_IBUS_IBUS_CLIENT_H_
 #define CHROMEOS_DBUS_IBUS_IBUS_CLIENT_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "chromeos/chromeos_export.h"
 #include "chromeos/dbus/dbus_client_implementation_type.h"
 #include "dbus/object_path.h"
 
 namespace dbus {
 class Bus;
 }  // namespace dbus
 
 namespace chromeos {
 
+namespace ibus {
+class IBusComponent;
+}  // namespace ibus
+
 class IBusInputContextClient;
 
 // A class to make the actual DBus calls for IBusBus service.
 // This class only makes calls, result/error handling should be done by
 // callbacks.
 class CHROMEOS_EXPORT IBusClient {
  public:
   typedef base::Callback<void(const dbus::ObjectPath&)>
       CreateInputContextCallback;
+  typedef base::Callback<void()> RegisterComponentCallback;
   typedef base::Callback<void()> ErrorCallback;
 
   virtual ~IBusClient();
 
   // Requests the ibus-daemon to create new input context. If succeeded,
   // |callback| will be called with an ObjectPath which is used in input context
   // handling. If failed, |error_callback| is called instead.
   virtual void CreateInputContext(
       const std::string& client_name,
       const CreateInputContextCallback& callback,
       const ErrorCallback& error_callback) = 0;
 
+  // Requests the ibus-daemon to register new engine object. If succeeded,
+  // |callback| will be called. If failed, |error_callback| is called instead.
+  virtual void RegisterComponent(
+      const ibus::IBusComponent& ibus_component,
+      const RegisterComponentCallback& callback,
+      const ErrorCallback& error_callback) = 0;
+
   // Factory function, creates a new instance and returns ownership.
   // For normal usage, access the singleton via DBusThreadManager::Get().
   static CHROMEOS_EXPORT IBusClient* Create(DBusClientImplementationType type,
                                             dbus::Bus* bus);
 
  protected:
   // Create() should be used instead.
   IBusClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(IBusClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_IBUS_IBUS_CLIENT_H_