• Skip to content
  • Skip to link menu
KDE 4.1 API Reference
  • KDE API Reference
  • API Reference
  • Sitemap
  • Contact Us
 

libplasma

datacontainer.h

Go to the documentation of this file.
00001 /*
00002  *   Copyright 2006-2007 Aaron Seigo <aseigo@kde.org>
00003  *
00004  *   This program is free software; you can redistribute it and/or modify
00005  *   it under the terms of the GNU Library General Public License as
00006  *   published by the Free Software Foundation; either version 2, or
00007  *   (at your option) any later version.
00008  *
00009  *   This program is distributed in the hope that it will be useful,
00010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *   GNU General Public License for more details
00013  *
00014  *   You should have received a copy of the GNU Library General Public
00015  *   License along with this program; if not, write to the
00016  *   Free Software Foundation, Inc.,
00017  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00018  */
00019 
00020 #ifndef PLASMA_DATACONTAINER_H
00021 #define PLASMA_DATACONTAINER_H
00022 
00023 #include <QtCore/QHash>
00024 #include <QtCore/QObject>
00025 
00026 #include <plasma/plasma_export.h>
00027 #include <plasma/dataengine.h>
00028 
00029 namespace Plasma
00030 {
00031 
00032 class DataContainerPrivate;
00033 
00045 class PLASMA_EXPORT DataContainer : public QObject
00046 {
00047     friend class DataEngine;
00048     friend class DataEnginePrivate;
00049     Q_OBJECT
00050 
00051     public:
00052         //typedef QHash<QString, DataEngine::SourceDict> Grouping;
00053 
00058         explicit DataContainer(QObject* parent = 0);
00059         virtual ~DataContainer();
00060 
00064         const DataEngine::Data data() const;
00065 
00076         void setData(const QString& key, const QVariant& value);
00077 
00081         void removeAllData();
00082 
00086         bool visualizationIsConnected(QObject *visualization) const;
00087 
00095         void connectVisualization(QObject* visualization, uint pollingInterval, Plasma::IntervalAlignment alignment);
00096 
00097     public Q_SLOTS:
00098 
00102         void disconnectVisualization(QObject* visualization);
00103 
00104     Q_SIGNALS:
00109         void dataUpdated(const QString& source, const Plasma::DataEngine::Data& data);
00110 
00114         void becameUnused(const QString& source);
00115 
00120         void updateRequested(DataContainer *source);
00121     protected:
00126         void checkForUpdate();
00127 
00131         uint timeSinceLastUpdate() const;
00132 
00141         void setNeedsUpdate(bool update = true);
00142 
00143 protected Q_SLOTS:
00149         void checkUsage();
00150 
00151 
00152     private:
00153         friend class SignalRelay;
00154         DataContainerPrivate* const d;
00155 };
00156 
00157 } // Plasma namespace
00158 
00159 #endif // multiple inclusion guard

libplasma

Skip menu "libplasma"
  • Main Page
  • Namespace List
  • Class Hierarchy
  • Alphabetical List
  • Class List
  • File List
  • Namespace Members
  • Class Members
  • Related Pages

API Reference

Skip menu "API Reference"
  • KWin
  •   KWin Libraries
  • Libraries
  •   libkworkspace
  •   libplasma
  •   libsolidcontrol
  •   libtaskmanager
  • Plasma
  •   Animators
  •   Applets
  •   Engines
  • Solid Modules
Generated for API Reference by doxygen 1.5.4
This website is maintained by Adriaan de Groot and Allen Winter.
KDE® and the K Desktop Environment® logo are registered trademarks of KDE e.V. | Legal