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NepomukDaemons

eventmonitor.h

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00001 /* This file is part of the KDE Project
00002    Copyright (c) 2008 Sebastian Trueg <trueg@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016    Boston, MA 02110-1301, USA.
00017 */
00018 
00019 #ifndef _NEPOMUK_STRIGI_EVENT_MONITOR_H_
00020 #define _NEPOMUK_STRIGI_EVENT_MONITOR_H_
00021 
00022 #include <QtCore/QObject>
00023 #include <QtCore/QStringList>
00024 #include <QtCore/QTimer>
00025 #include <QtCore/QTime>
00026 
00027 class KDiskFreeSpace;
00028 class FileSystemWatcher;
00029 
00030 namespace Nepomuk {
00031 
00032     class IndexScheduler;
00033 
00034     class EventMonitor : public QObject
00035     {
00036         Q_OBJECT
00037 
00038     public:
00039         EventMonitor( IndexScheduler* scheduler, QObject* parent );
00040         ~EventMonitor();
00041 
00042     private Q_SLOTS:
00043         void slotPowerManagementStatusChanged( bool conserveResources );
00044         void updateWatches();
00045         void slotCheckAvailableSpace();
00046         void slotIndexingStopped();
00047         void slotDirDirty( const QString& );
00048 
00049     private:
00050         enum {
00051             NotPaused,
00052             PausedDueToPowerManagement,
00053             PausedDueToAvailSpace
00054         };
00055 
00056         IndexScheduler* m_indexScheduler;
00057         int m_pauseState;
00058 
00059         FileSystemWatcher* m_fsWatcher;
00060 
00061         // timer used to periodically check for available space
00062         QTimer m_availSpaceTimer;
00063 
00064         QTime m_initialIndexTime;
00065 
00066         QTimer m_periodicUpdateTimer;
00067     };
00068 }
00069 
00070 #endif

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