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// 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_ENGINE_FACTORY_SERVICE_H_
#define CHROMEOS_DBUS_IBUS_IBUS_ENGINE_FACTORY_SERVICE_H_
#include <string>
#include "base/bind.h"
#include "base/callback.h"
#include "chromeos/chromeos_export.h"
#include "chromeos/dbus/dbus_client_implementation_type.h"
namespace dbus {
class Bus;
class ObjectPath;
} // namespace dbus
namespace chromeos {
// A class to make the actual DBus method call handling for IBusEngineFactory
// service. The exported method call is used by ibus-daemon to create engine
// service if the extension IME is enabled.
class CHROMEOS_EXPORT IBusEngineFactoryService {
public:
typedef base::Callback<void(const dbus::ObjectPath& path)>
CreateEngineResponseSender;
typedef base::Callback<void(const CreateEngineResponseSender& sender)>
CreateEngineHandler;
virtual ~IBusEngineFactoryService();
// Sets CreateEngine method call handler for |engine_id|. If ibus-daemon calls
// CreateEngine message with |engine_id|, the |create_engine_handler| will be
// called.
virtual void SetCreateEngineHandler(
const std::string& engine_id,
const CreateEngineHandler& create_engine_handler) = 0;
// Unsets CreateEngine method call handler for |engine_id|.
virtual void UnsetCreateEngineHandler(const std::string& engine_id) = 0;
// Generates object path which is unique among all EngineServices.
virtual dbus::ObjectPath GenerateUniqueObjectPath() = 0;
// Factory function, creates a new instance and returns ownership.
// For normal usage, accesses the singleton via DBusThreadManager::Get().
static CHROMEOS_EXPORT IBusEngineFactoryService* Create(
dbus::Bus* bus,
DBusClientImplementationType type);
protected:
// Create() should be used instead.
IBusEngineFactoryService();
private:
DISALLOW_COPY_AND_ASSIGN(IBusEngineFactoryService);
};
} // namespace chromeos
#endif // CHROMEOS_DBUS_IBUS_IBUS_ENGINE_FACTORY_SERVICE_H_
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