workspace/plasma/applets/kickoff/core/systemmodel.h

   1 /*
   2     Copyright 2007 Robert Knight <robertknight@gmail.com>
   3     Copyright 2007 Kevin Ottens <ervin@kde.org>
   4
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14
  15     You should have received a copy of the GNU Library General Public License
  16     along with this library; see the file COPYING.LIB.  If not, write to
  17     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18     Boston, MA 02110-1301, USA.
  19 */
  20
  21 #ifndef SYSTEMMODEL_H
  22 #define SYSTEMMODEL_H
  23
  24 #include "core/kickoff_export.h"
  25 #include "core/kickoffproxymodel.h"
  26
  27 namespace Kickoff
  28 {
  29
  30 /**
  31  * Model which provides a tree of items for important system setup tools (eg. System Settings) ,
  32  * folders (eg. the user's home folder and the local network) and fixed and removable storage.
  33  */
  34 class KICKOFF_EXPORT SystemModel : public KickoffProxyModel
  35 {
  36     Q_OBJECT
  37
  38 public:
  39     /** Constructs a new SystemModel with the specified parent. */
  40     SystemModel(QObject *parent = 0);
  41     virtual ~SystemModel();
  42
  43     virtual QModelIndex mapFromSource(const QModelIndex &sourceIndex) const;
  44     virtual QModelIndex mapToSource(const QModelIndex &proxyIndex) const;
  45     virtual QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
  46     virtual QModelIndex parent(const QModelIndex &item) const;
  47     virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
  48     virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;
  49     virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
  50
  51 private Q_SLOTS:
  52     void startRefreshingUsageInfo();
  53     void reloadApplications();
  54     void freeSpaceInfoAvailable(const QString& mountPoint, quint64 kbSize,
  55                                 quint64 kbUsed, quint64 kbAvailable);
  56
  57     void sourceDataChanged(const QModelIndex &start, const QModelIndex &end);
  58     void sourceRowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
  59     void sourceRowsInserted(const QModelIndex &parent, int start, int end);
  60     void sourceRowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
  61     void sourceRowsRemoved(const QModelIndex &parent, int start, int end);
  62
  63 private:
  64     class Private;
  65     Private * const d;
  66 };
  67
  68 }
  69
  70 #endif // SYSTEMMODEL_H
  71