qd_file_manager.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free 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.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */


#ifndef QDENGINE_QDCORE_QD_FILE_MANAGER_H
#define QDENGINE_QDCORE_QD_FILE_MANAGER_H

#include "qdengine/qdcore/qd_file_owner.h"

namespace Common {
    class Archive;
}

namespace QDEngine {

class qdFilePackage {
public:
    qdFilePackage();
    ~qdFilePackage();

    const char *file_name() const;

    void set_drive_ID(int drive_id) {
    }
    void set_container_index(int idx) {
        _container_index = idx;
    }

    bool is_open() {
        return _container != nullptr;
    }

    void init();
    bool open();
    void close();

    bool check_container();

    Common::Archive *_container = nullptr;

private:
    int _container_index;
};

class qdFileManager {
public:
    ~qdFileManager();

    bool init(int cd_count);
    void Finit();

    void enable_packages() {}

    bool open_file(Common::SeekableReadStream **fh, const Common::Path file_name, bool err_message = true);

    int last_CD_id() const {
        return 1;
    }
    void set_last_CD_id(int cd_id) {
    }

    int CD_count() const {
        return 1;
    }
    bool is_CD_available(int cd_id) const {
        return true;
    }
    bool is_package_available(int idx) {
        assert(idx >= 0 && idx < _packageCount);
        return _packages[idx].is_open();
    }
    bool is_package_available(const qdFileOwner &file_owner);
    int get_num_packages() { return _packageCount; }

    Common::Archive *get_package(int idx) {
        if (!_packages[idx].is_open())
            _packages[idx].open();

        return _packages[idx]._container;
    }

    bool scan_drives(const qdFileOwner *file_owner = NULL) { return true; }
    bool scan_drives(int cd_id) { return true; }
    void update_packages() {}

    void toggle_silent_update_mode(bool mode) {
    }

    bool check_drives(const char *cdkey = NULL) { return true; }
    bool check_drive(int drive_letter)  { return true; }

    static qdFileManager &instance();

private:

    qdFileManager();

    qdFilePackage _packages[3];

    int _packageCount = 0;
};

} // namespace QDEngine

#endif // QDENGINE_QDCORE_QD_FILE_MANAGER_H