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/* -*- 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 SV_FILE_FINDER_H
#define SV_FILE_FINDER_H
#include <QString>
namespace sv {
class FileFinder
{
public:
virtual ~FileFinder() { }
enum FileType {
SessionFile,
AudioFile,
LayerFile,
LayerFileNoMidi,
SessionOrAudioFile,
ImageFile,
SVGFile,
AnyFile,
CSVFile,
LayerFileNonSV,
LayerFileNoMidiNonSV,
};
virtual QString getOpenFileName(FileType type,
QString fallbackLocation = "") = 0;
virtual QStringList getOpenFileNames(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() {
FFContainer *container = FFContainer::getInstance();
return container->getFileFinder();
}
protected:
class FFContainer {
public:
static FFContainer *getInstance() {
static FFContainer instance;
return &instance;
}
void setFileFinder(FileFinder *ff) { m_ff = ff; }
FileFinder *getFileFinder() const { return m_ff; }
private:
FFContainer() : m_ff(nullptr) { }
FileFinder *m_ff;
};
static void registerFileFinder(FileFinder *ff) {
FFContainer *container = FFContainer::getInstance();
container->setFileFinder(ff);
}
};
} // end namespace sv
#endif
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