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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2007-2008 QMUL.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #ifndef SV_PROGRESS_REPORTER_H
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17 #define SV_PROGRESS_REPORTER_H
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18
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19 #include <QObject>
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20 #include <QString>
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21
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22 class ProgressReporter : public QObject
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23 {
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24 Q_OBJECT
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25
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26 public:
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27 ProgressReporter(QObject *parent = 0);
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28 virtual ~ProgressReporter();
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29
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30 virtual bool isDefinite() const = 0;
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31 virtual void setDefinite(bool definite) = 0; // default should be definite
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32
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33 virtual bool wasCancelled() const = 0;
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34
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35 signals:
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36 void cancelled();
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37
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38 public slots:
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39 virtual void setMessage(QString text) = 0;
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40 virtual void setProgress(int percentage) = 0;
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41 };
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42
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43 #endif
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