1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROMEOS_DBUS_IBUS_IBUS_ENGINE_FACTORY_SERVICE_H_ 6 #define CHROMEOS_DBUS_IBUS_IBUS_ENGINE_FACTORY_SERVICE_H_ 7 8 #include <string> 9 #include "base/bind.h" 10 #include "base/callback.h" 11 #include "chromeos/chromeos_export.h" 12 #include "chromeos/dbus/dbus_client_implementation_type.h" 13 14 namespace dbus { 15 class Bus; 16 class ObjectPath; 17 } // namespace dbus 18 19 namespace chromeos { 20 21 // A class to make the actual DBus method call handling for IBusEngineFactory 22 // service. The exported method call is used by ibus-daemon to create engine 23 // service if the extension IME is enabled. 24 class CHROMEOS_EXPORT IBusEngineFactoryService { 25 public: 26 typedef base::Callback<void(const dbus::ObjectPath& path)> 27 CreateEngineResponseSender; 28 typedef base::Callback<void(const CreateEngineResponseSender& sender)> 29 CreateEngineHandler; 30 31 virtual ~IBusEngineFactoryService(); 32 33 // Sets CreateEngine method call handler for |engine_id|. If ibus-daemon calls 34 // CreateEngine message with |engine_id|, the |create_engine_handler| will be 35 // called. 36 virtual void SetCreateEngineHandler( 37 const std::string& engine_id, 38 const CreateEngineHandler& create_engine_handler) = 0; 39 40 // Unsets CreateEngine method call handler for |engine_id|. 41 virtual void UnsetCreateEngineHandler(const std::string& engine_id) = 0; 42 43 // Generates object path which is unique among all EngineServices. 44 virtual dbus::ObjectPath GenerateUniqueObjectPath() = 0; 45 46 // Factory function, creates a new instance and returns ownership. 47 // For normal usage, accesses the singleton via DBusThreadManager::Get(). 48 static CHROMEOS_EXPORT IBusEngineFactoryService* Create( 49 dbus::Bus* bus, 50 DBusClientImplementationType type); 51 52 protected: 53 // Create() should be used instead. 54 IBusEngineFactoryService(); 55 56 private: 57 DISALLOW_COPY_AND_ASSIGN(IBusEngineFactoryService); 58 }; 59 60 } // namespace chromeos 61 62 #endif // CHROMEOS_DBUS_IBUS_IBUS_ENGINE_FACTORY_SERVICE_H_ 63
