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/*
* Copyright (C) 2020 KeePassXC Team <team@keepassxc.org>
*
* 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 or (at your option)
* version 3 of the License.
*
* 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. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef KEEPASSXC_FILEWATCHER_H
#define KEEPASSXC_FILEWATCHER_H
#include <QFileSystemWatcher>
#include <QTimer>
class FileWatcher : public QObject
{
Q_OBJECT
public:
explicit FileWatcher(QObject* parent = nullptr);
~FileWatcher() override;
void start(const QString& path, int checksumIntervalSeconds = 0, int checksumSizeKibibytes = -1);
void stop();
bool hasSameFileChecksum();
signals:
void fileChanged(const QString& path);
public slots:
void pause();
void resume();
private slots:
void checkFileChanged();
private:
QByteArray calculateChecksum();
bool shouldIgnoreChanges();
QString m_filePath;
QFileSystemWatcher m_fileWatcher;
QByteArray m_fileChecksum;
QTimer m_fileChangeDelayTimer;
QTimer m_fileIgnoreDelayTimer;
QTimer m_fileChecksumTimer;
int m_fileChecksumSizeBytes = -1;
bool m_ignoreFileChange = false;
};
#endif // KEEPASSXC_FILEWATCHER_H
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