/*
 *  This file is part of RawTherapee.
 *
 *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
 *
 *  RawTherapee 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.
 * 
 *  RawTherapee 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 RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef _CACHEMANAGER_
#define _CACHEMANAGER_

#include <string>
#include <map>
#include <glibmm.h>
#include <thumbnail.h>
#include <stdio.h>

class Thumbnail;

class CacheManager {

        std::map<std::string, Thumbnail*>   openEntries;
        Glib::ustring                       baseDir;

        void deleteDir (const Glib::ustring& dirName);

    public:
        CacheManager () {}

        void        init        ();
        Thumbnail*  getEntry    (const Glib::ustring& fname);
        void        deleteEntry (const Glib::ustring& fname);
        void        renameEntry (const std::string& oldfilename, const std::string& oldmd5, const std::string& newfilename);
        
        void        closeThumbnail (Thumbnail* t);
        
        const Glib::ustring& getBaseDir     ()       { return baseDir; }
        void  closeCache ();

        static std::string getMD5 (const Glib::ustring& fname);
        
        void clearAll ();
        void clearThumbImages ();
        void clearProfiles ();

        void applyCacheSizeLimitation ();

        Glib::ustring    getCacheFileName (const Glib::ustring& subdir, const Glib::ustring& fname, const Glib::ustring& md5);
};

extern CacheManager cacheMgr;

#endif