mirror of
https://github.com/nextcloud/desktop.git
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142 lines
3.2 KiB
C++
142 lines
3.2 KiB
C++
/*
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* Copyright (C) by Duncan Mac-Vicar P. <duncan@kde.org>
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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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#ifndef MIRALL_FOLDERWATCHER_H
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#define MIRALL_FOLDERWATCHER_H
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#include <QList>
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#include <QObject>
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#include <QString>
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#include <QStringList>
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#include <QTime>
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#include <QHash>
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#include "mirall/folder.h"
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class QTimer;
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#ifdef USE_WATCHER
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class INotify;
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#endif
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namespace Mirall {
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/**
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* Watches a folder and sub folders for changes
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*
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* Will notify changed files relative to the root()
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* directory.
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*
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* If too many changes happen in a short time interval,
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* it will accumulate and be fired together later.
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*/
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class FolderWatcher : public QObject
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{
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Q_OBJECT
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public:
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/**
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* @param root Path of the root of the folder
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*/
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FolderWatcher(const QString &root, QObject *parent = 0L);
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~FolderWatcher();
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/**
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* All watched folders and subfolders
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*/
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QStringList folders() const;
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/**
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* Root path being monitored
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*/
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QString root() const;
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/**
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* Add an ignore pattern that will not be
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* notified
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*
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* You can use wildcards
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*/
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void addIgnore(const QString &pattern);
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/**
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* If true, folderChanged() events are sent
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* at least as often as eventInterval() seconds.
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*/
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bool eventsEnabled() const;
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/**
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* Enabled or disables folderChanged() events.
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* If disabled, events are accumulated and emptied
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* the next time a folderChanged() event happens.
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*/
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void setEventsEnabled(bool enabled);
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/**
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* Clear all pending events
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*/
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void clearPendingEvents();
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/**
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* The minimum amounts of seconds that will separate
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* folderChanged() intervals
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*/
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int eventInterval() const;
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/**
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* Sets minimum amounts of seconds that will separate
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* folderChanged() intervals
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*/
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void setEventInterval(int seconds);
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signals:
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/**
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* Emitted when one of the paths is changed
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*/
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void folderChanged(const QStringList &pathList);
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protected:
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void setProcessTimer();
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protected slots:
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void slotINotifyEvent(int mask, int cookie, const QString &path);
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void slotAddFolderRecursive(const QString &path);
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// called when the manually process timer triggers
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void slotProcessTimerTimeout();
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private:
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bool _eventsEnabled;
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int _eventInterval;
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#ifdef USE_WATCHER
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INotify *_inotify;
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#endif
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QString _root;
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// paths pending to notified
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// QStringList _pendingPaths;
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QHash<QString, int> _pendingPathes;
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QTimer *_processTimer;
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// to cancel events that belong to the same action
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int _lastMask;
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QString _lastPath;
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QStringList _ignores;
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// for the initial synchronization, without
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// any file changed
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bool _initialSyncDone;
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};
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}
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#endif
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