/*
 * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
 *
 * 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 ALLOCATE_LIST_HPP
#define ALLOCATE_LIST_HPP
#include <vector>
#include "windowmanager-client.hpp"

namespace wm {

class  AllocateRequestList {
public:
    AllocateRequestList();
    ~AllocateRequestList();
    AllocateRequestList(const AllocateRequestList &obj) = delete;

    typedef std::function<void(const WMClient *)> onEndDraw;
    typedef std::function<void(const WMClient *)> onReverted;

    // Client Database Interface
    bool addClient(WMClient &client);
    bool removeClient(const char* appid);
    const WMClient* loopUpClient(const char* appid);

    // Request Interface
    unsigned currentSequnceNumber();
    unsigned getSequenceNumber(appid, role, area);
    bool addAllocateRequest(WMClient &client, unsigned seq_num, std::string &task);
    bool requestFinished();
    unsigned lookUpAllocatingApp(const char *appid);
    unsigned currentSequence();
    void setEndDrawFinished(unsigned request_seq, const std::string &role);
    void removeRequest(unsigned request_seq);
    void setCurrentSequence(unsigned request_seq);
    bool haveRequest();
    /* void revertRequestingState();
    void removeAllRequesting(); */

    //void revertRequestingState();//???

    /* bool queue(int request_num);
    bool pushTop(int request_num);
    bool dequeue();
    void deleteAllElement();
    void removeElement(int request_num);
    bool hasElement(int request_num); */

private:
    std::vector<WMClient *> requestQueue;

};

}
#endif // ALLOCATE_LIST_HPP