nepomukfilewatch.h

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/* This file is part of the KDE Project
   Copyright (c) 2007-2011 Sebastian Trueg <trueg@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#ifndef _NEPOMUK_FILE_WATCH_H_
#define _NEPOMUK_FILE_WATCH_H_

#include "service2.h"

#include <QtCore/QUrl>
#include <QtCore/QVariant>
#include <QtCore/QSet>

#include "removablemediacache.h"

class KInotify;
class KUrl;
class RegExpCache;
class ActiveFileQueue;
class QThread;

namespace Nepomuk2 {

    class MetadataMover;

    class FileWatch : public Service2
    {
        Q_OBJECT
        Q_CLASSINFO( "D-Bus Interface", "org.kde.nepomuk.FileWatch" )

    public:
        FileWatch();
        ~FileWatch();

        static void updateFileViaFileIndexer( const QString& path );

        static void updateFolderViaFileIndexer( const QString& path );

    Q_SIGNALS:
        Q_SCRIPTABLE void status(int status, QString msg);

        Q_SCRIPTABLE void metadataUpdateStarted();

        Q_SCRIPTABLE void metadataUpdateStopped();

    public Q_SLOTS:
        Q_SCRIPTABLE bool isUpdatingMetaData() const;

        Q_SCRIPTABLE QString statusMessage() const;

    private Q_SLOTS:
        void slotFileMoved( const QString& from, const QString& to );
        void slotFileDeleted( const QString& urlString, bool isDir );
        void slotFilesDeleted( const QStringList& path );
        void slotFileCreated( const QString& path, bool isDir );
        void slotFileClosedAfterWrite( const QString& );
        void slotMovedWithoutData( const QString& );
        void connectToKDirNotify();
#ifdef BUILD_KINOTIFY
        void slotInotifyWatchUserLimitReached( const QString& );
#endif

        void updateIndexedFoldersWatches();

        void slotDeviceMounted( const Nepomuk2::RemovableMediaCache::Entry* );

        void slotDeviceTeardownRequested( const Nepomuk2::RemovableMediaCache::Entry* );

        void slotActiveFileQueueTimeout(const QString& url);

        void updateStatusMessage(const QString &newStatus);

        void resetStatusMessage();

    private:
        void watchFolder( const QString& path );

        void addWatchesForMountedRemovableMedia();

        bool ignorePath( const QString& path );

        QThread* m_metadataMoverThread;
        MetadataMover* m_metadataMover;

#ifdef BUILD_KINOTIFY
        KInotify* m_dirWatch;
#endif

        RegExpCache* m_pathExcludeRegExpCache;
        RemovableMediaCache* m_removableMediaCache;

        ActiveFileQueue* m_fileModificationQueue;

        bool m_isIdle;              
        QString m_statusMessage;    
    };
}

#endif