/*
    QMPlay2 is a video and audio player.
    Copyright (C) 2010-2019  Błażej Szczygieł

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

    This program 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 Lesser General Public License for more details.

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

#pragma once

#include <ModuleCommon.hpp>
#include <ModuleParams.hpp>
#include <IOController.hpp>

class QMPLAY2SHAREDLIB_EXPORT Reader : protected ModuleCommon, public ModuleParams, public BasicIO
{
public:
    static bool create(const QString &url, IOController<Reader> &reader, const QString &plugName = QString());

    virtual ~Reader() = default;

    inline QString getUrl() const
    {
        return _url;
    }

    virtual bool readyRead() const = 0;
    virtual bool canSeek() const = 0;

    virtual bool seek(qint64) = 0;
    virtual QByteArray read(qint64) = 0;
    virtual bool atEnd() const = 0;

    virtual qint64 size() const = 0;
    virtual qint64 pos() const = 0;
    virtual QString name() const = 0;

private:
    virtual bool open() = 0;

    QString _url;
};
