svcore  1.9
ProgressReporter.h
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
00002 
00003 /*
00004     Sonic Visualiser
00005     An audio file viewer and annotation editor.
00006     Centre for Digital Music, Queen Mary, University of London.
00007     This file copyright 2007-2008 QMUL.
00008     
00009     This program is free software; you can redistribute it and/or
00010     modify it under the terms of the GNU General Public License as
00011     published by the Free Software Foundation; either version 2 of the
00012     License, or (at your option) any later version.  See the file
00013     COPYING included with this distribution for more information.
00014 */
00015 
00016 #ifndef _PROGRESS_REPORTER_H_
00017 #define _PROGRESS_REPORTER_H_
00018 
00019 #include <QObject>
00020 #include <QString>
00021 
00022 class ProgressReporter : public QObject
00023 {
00024     Q_OBJECT
00025     
00026 public:
00027     ProgressReporter(QObject *parent = 0);
00028     virtual ~ProgressReporter();
00029 
00030     virtual bool isDefinite() const = 0;
00031     virtual void setDefinite(bool definite) = 0; // default should be definite
00032 
00033     virtual bool wasCancelled() const = 0;
00034 
00035 signals:
00036     void cancelled();
00037 
00038 public slots:
00039     virtual void setMessage(QString text) = 0;
00040     virtual void setProgress(int percentage) = 0;
00041 };
00042 
00043 #endif