runtime/nepomuk/services/strigi/eventmonitor.h

   1 /* This file is part of the KDE Project
   2    Copyright (c) 2008 Sebastian Trueg <trueg@kde.org>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License version 2 as published by the Free Software Foundation.
   7
   8    This library is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    Library General Public License for more details.
  12
  13    You should have received a copy of the GNU Library General Public License
  14    along with this library; see the file COPYING.LIB.  If not, write to
  15    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16    Boston, MA 02110-1301, USA.
  17 */
  18
  19 #ifndef _NEPOMUK_STRIGI_EVENT_MONITOR_H_
  20 #define _NEPOMUK_STRIGI_EVENT_MONITOR_H_
  21
  22 #include <QtCore/QObject>
  23 #include <QtCore/QStringList>
  24 #include <QtCore/QTimer>
  25 #include <QtCore/QTime>
  26
  27 class KDiskFreeSpace;
  28 class FileSystemWatcher;
  29
  30 namespace Nepomuk {
  31
  32     class IndexScheduler;
  33
  34     class EventMonitor : public QObject
  35     {
  36         Q_OBJECT
  37
  38     public:
  39         EventMonitor( IndexScheduler* scheduler, QObject* parent );
  40         ~EventMonitor();
  41
  42     private Q_SLOTS:
  43         void slotPowerManagementStatusChanged( bool conserveResources );
  44         void updateWatches();
  45         void slotCheckAvailableSpace();
  46         void slotIndexingStopped();
  47         void slotDirDirty( const QString& );
  48
  49     private:
  50         enum {
  51             NotPaused,
  52             PausedDueToPowerManagement,
  53             PausedDueToAvailSpace
  54         };
  55
  56         IndexScheduler* m_indexScheduler;
  57         int m_pauseState;
  58
  59         FileSystemWatcher* m_fsWatcher;
  60
  61         // timer used to periodically check for available space
  62         QTimer m_availSpaceTimer;
  63
  64         QTime m_initialIndexTime;
  65
  66         QTimer m_periodicUpdateTimer;
  67     };
  68 }
  69
  70 #endif