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/*
* Copyright (C) 2018 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 <QSet>
#include <QTimer>
#include <QVariant>
class DelayingFileWatcher : public QObject
{
Q_OBJECT
public:
explicit DelayingFileWatcher(QObject* parent = nullptr);
void blockAutoReload(bool block);
void start(const QString& path);
void restart();
void stop();
void ignoreFileChanges();
signals:
void fileChanged();
public slots:
void observeFileChanges(bool delayed = false);
private slots:
void onWatchedFileChanged();
private:
QString m_filePath;
QFileSystemWatcher m_fileWatcher;
QTimer m_fileChangeDelayTimer;
QTimer m_fileUnblockTimer;
bool m_ignoreFileChange;
};
class BulkFileWatcher : public QObject
{
Q_OBJECT
enum Signal
{
Created,
Updated,
Removed
};
public:
explicit BulkFileWatcher(QObject* parent = nullptr);
void clear();
void removePath(const QString& path);
void addPath(const QString& path);
void ignoreFileChanges(const QString& path);
signals:
void fileCreated(QString);
void fileChanged(QString);
void fileRemoved(QString);
public slots:
void observeFileChanges(bool delayed = false);
private slots:
void handleFileChanged(const QString& path);
void handleDirectoryChanged(const QString& path);
void emitSignals();
private:
void scheduleSignal(Signal event, const QString& path);
private:
QMap<QString, bool> m_watchedPaths;
QMap<QString, QDateTime> m_watchedFilesIgnored;
QFileSystemWatcher m_fileWatcher;
QMap<QString, QMap<QString, qint64>> m_watchedFilesInDirectory;
// needed for Import/Export-References to prevent update after self-write
QTimer m_watchedFilesIgnoreTimer;
// needed to tolerate multiple signals for same event
QTimer m_pendingSignalsTimer;
QMap<QString, QList<Signal>> m_pendingSignals;
};
#endif // KEEPASSXC_FILEWATCHER_H
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