1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61
|
/*
* FileReadThread.h - declaration of FileReadThread class
*
* Copyright (c) 2018-2025 Tobias Junghans <tobydox@veyon.io>
*
* This file is part of Veyon - https://veyon.io
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#pragma once
#include <QFile>
#include <QMutex>
#include <QTimer>
#include <QThread>
class FileReadThread : public QObject
{
Q_OBJECT
public:
explicit FileReadThread( const QString& fileName, QObject* parent = nullptr );
~FileReadThread() override;
bool start();
QByteArray currentChunk();
void readNextChunk( qint64 chunkSize );
bool isChunkReady();
bool atEnd();
int progress();
private:
QMutex m_mutex;
QThread* m_thread;
QFile* m_file;
QByteArray m_currentChunk;
QTimer* m_timer;
QString m_fileName;
bool m_chunkReady;
qint64 m_filePos;
qint64 m_fileSize;
};
|