interaction_control_manager_interface.hh

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/*
 * Copyright (c) 2019 SK Telecom Co., Ltd. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef __NUGU_INTERACTION_CONTROL_MANAGER_INTERFACE_H__
#define __NUGU_INTERACTION_CONTROL_MANAGER_INTERFACE_H__
 
#include <string>
 
#include <nugu.h>
 
namespace NuguClientKit {
 
enum class InteractionMode {
    NONE, 
    MULTI_TURN 
};
 
class NUGU_API IInteractionControlManagerListener {
public:
    virtual ~IInteractionControlManagerListener() = default;
 
    virtual void onModeChanged(bool is_multi_turn) = 0;
 
    virtual void onHasMultiTurn() = 0;
};
 
class NUGU_API IInteractionControlManager {
public:
    virtual ~IInteractionControlManager() = default;
 
    virtual void addListener(IInteractionControlManagerListener* listener) = 0;
 
    virtual void removeListener(IInteractionControlManagerListener* listener) = 0;
 
    virtual void start(InteractionMode mode, const std::string& requester) = 0;
 
    virtual void finish(InteractionMode mode, const std::string& requester) = 0;
 
    virtual void notifyHasMultiTurn() = 0;
 
    virtual bool isMultiTurnActive() = 0;
 
    virtual void clear() = 0;
};
 
} // NuguClientKit
 
#endif /* __NUGU_INTERACTION_CONTROL_MANAGER_INTERFACE_H__ */