Chris@149: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@149: 
Chris@149: /*
Chris@149:     Sonic Visualiser
Chris@149:     An audio file viewer and annotation editor.
Chris@149:     Centre for Digital Music, Queen Mary, University of London.
Chris@149:     This file copyright 2006 Chris Cannam.
Chris@149:     
Chris@149:     This program is free software; you can redistribute it and/or
Chris@149:     modify it under the terms of the GNU General Public License as
Chris@149:     published by the Free Software Foundation; either version 2 of the
Chris@149:     License, or (at your option) any later version.  See the file
Chris@149:     COPYING included with this distribution for more information.
Chris@149: */
Chris@149: 
Chris@149: #ifndef _RECENT_FILES_H_
Chris@149: #define _RECENT_FILES_H_
Chris@149: 
Chris@149: #include <QObject>
Chris@149: #include <QString>
Chris@149: #include <vector>
Chris@149: #include <deque>
Chris@149: 
Chris@149: class RecentFiles : public QObject
Chris@149: {
Chris@149:     Q_OBJECT
Chris@149: 
Chris@149: public:
Chris@149:     // The maxFileCount argument will only be used the first time this is called
Chris@149:     static RecentFiles *getInstance(int maxFileCount = 10);
Chris@149: 
Chris@149:     virtual ~RecentFiles();
Chris@149: 
Chris@149:     int getMaxFileCount() const { return m_maxFileCount; }
Chris@149: 
Chris@149:     std::vector<QString> getRecentFiles() const;
Chris@149:     
Chris@149:     void addFile(QString filename);
Chris@149: 
Chris@149: signals:
Chris@149:     void recentFilesChanged();
Chris@149: 
Chris@149: protected:
Chris@149:     RecentFiles(int maxFileCount);
Chris@149: 
Chris@149:     int m_maxFileCount;
Chris@149:     std::deque<QString> m_files;
Chris@149: 
Chris@149:     void readFiles();
Chris@149:     void writeFiles();
Chris@149:     void truncateAndWrite();
Chris@149: 
Chris@149:     static RecentFiles *m_instance;
Chris@149: };
Chris@149: 
Chris@149: #endif