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67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
/*
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* Copyright (C) by Christian Kamm <mail@ckamm.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#pragma once
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#include "config.h"
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#include <QList>
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#include <QObject>
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#include <QString>
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#include <QSet>
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#include <QTimer>
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namespace OCC {
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/**
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* @brief Monitors files that are locked, signaling when they become unlocked
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*
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* Only relevant on Windows. Some high-profile applications like Microsoft
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* Word lock the document that is currently being edited. The synchronization
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* client will be unable to update them while they are locked.
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*
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* In this situation we do want to start a sync run as soon as the file
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* becomes available again. To do that, we need to regularly check whether
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* the file is still being locked.
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*
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* @ingroup gui
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*/
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class LockWatcher : public QObject
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{
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Q_OBJECT
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public:
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explicit LockWatcher(QObject* parent = 0);
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/** Start watching a file.
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*
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* If the file is not locked later on, the fileUnlocked signal will be
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* emitted once.
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*/
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void addFile(const QString& path);
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signals:
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/** Emitted when one of the watched files is no longer
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* being locked. */
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void fileUnlocked(const QString& path);
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private slots:
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void checkFiles();
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private:
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QSet<QString> _watchedPaths;
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QTimer _timer;
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};
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}
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