annotate data/fileio/FileFinder.h @ 588:d04b8674b710

* Try to identify the properly conformant audio file structure written out
  by Sonic Annotator (but we still don't actually import it yet)

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2009 QMUL.
    
    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 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _FILE_FINDER_H_
#define _FILE_FINDER_H_

#include <QString>

class FileFinder 
{
public:
    enum FileType {
        SessionFile,
        AudioFile,
        LayerFile,
        LayerFileNoMidi,
        SessionOrAudioFile,
        ImageFile,
        AnyFile
    };

    virtual QString getOpenFileName(FileType type, QString fallbackLocation = "") = 0;
    virtual QString getSaveFileName(FileType type, QString fallbackLocation = "") = 0;
    virtual void registerLastOpenedFilePath(FileType type, QString path) = 0;

    virtual QString find(FileType type, QString location, QString lastKnownLocation = "") = 0;

    static FileFinder *getInstance() { return m_instance; }

protected:
    static void registerFileFinder(FileFinder *ff) { m_instance = ff; }
    static FileFinder *m_instance;
};

#endif