qTox/src/chatlog/documentcache.h

/*
    Copyright © 2015-2018 by The qTox Project Contributors

    This file is part of qTox, a Qt-based graphical interface for Tox.

    qTox is libre software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    qTox is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with qTox.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef DOCUMENTCACHE_H
#define DOCUMENTCACHE_H

#include <QStack>

class QTextDocument;

class DocumentCache
{
public:
    static DocumentCache& getInstance();

    QTextDocument* pop();
    void push(QTextDocument* doc);

private:
    DocumentCache() = default;
    ~DocumentCache();
    DocumentCache(DocumentCache&) = delete;
    DocumentCache& operator=(const DocumentCache&) = delete;

private:
    QStack<QTextDocument*> documents;
};

#endif // DOCUMENTCACHE_H