Line data    Source code

       1              : /*
       2              :  * SPDX-License-Identifier: GPL-3.0-only
       3              :  * MuseScore-Studio-CLA-applies
       4              :  *
       5              :  * MuseScore Studio
       6              :  * Music Composition & Notation
       7              :  *
       8              :  * Copyright (C) 2021 MuseScore Limited and others
       9              :  *
      10              :  * This program is free software: you can redistribute it and/or modify
      11              :  * it under the terms of the GNU General Public License version 3 as
      12              :  * published by the Free Software Foundation.
      13              :  *
      14              :  * This program is distributed in the hope that it will be useful,
      15              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      16              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17              :  * GNU General Public License for more details.
      18              :  *
      19              :  * You should have received a copy of the GNU General Public License
      20              :  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
      21              :  */
      22              : #pragma once
      23              : 
      24              : #include <cstdint>
      25              : #include <unordered_map>
      26              : #include <shared_mutex>
      27              : 
      28              : #include "eid.h"
      29              : #include "../types/types.h"
      30              : 
      31              : namespace mu::engraving {
      32              : class EngravingObject;
      33              : 
      34              : class EIDRegister
      35              : {
      36              : public:
      37         2169 :     EIDRegister() = default;
      38              : 
      39              :     EID newEIDForItem(const EngravingObject* item);
      40              :     void registerItemEID(const EID& eid, const EngravingObject* item);
      41              :     void removeItem(const EngravingObject* item);
      42              :     void onItemDestroyed(const EngravingObject* item);
      43              : 
      44              :     EngravingObject* itemFromEID(const EID& eid) const;
      45              :     EID EIDFromItem(const EngravingObject* item) const;
      46              : 
      47              : private:
      48              :     EIDRegister(const EIDRegister&) = delete;
      49              : 
      50              :     std::unordered_map<EID, EngravingObject*> m_eidToItem;
      51              :     std::unordered_map<EngravingObject*, EID> m_itemToEid;
      52              : 
      53              :     uint64_t m_maxValTestMode = 0;
      54              : 
      55              :     mutable std::shared_mutex m_mutex;
      56              : };
      57              : }