workspace/plasma/dataengines/filebrowser/filebrowserengine.h

   1 /*
   2  *   Copyright (C) 2007 Ivan Cukic <ivan.cukic+kde@gmail.com>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License either version 2, or
   6  *   (at your option) any later version as published by the Free Software
   7  *   Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details
  13  *
  14  *   You should have received a copy of the GNU General Public
  15  *   License along with this program; if not, write to the
  16  *   Free Software Foundation, Inc.,
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #ifndef FILEBROWSERENGINE_H
  21 #define FILEBROWSERENGINE_H
  22
  23 #include <Plasma/DataEngine>
  24 #include <QMap>
  25
  26 class KDirWatch;
  27
  28 /**
  29  * This class evaluates the basic expressions given in the interface.
  30  */
  31 class FileBrowserEngine : public Plasma::DataEngine
  32 {
  33     Q_OBJECT
  34
  35 public:
  36     FileBrowserEngine( QObject* parent, const QVariantList& args );
  37     ~FileBrowserEngine();
  38
  39 protected:
  40     bool sourceRequestEvent(const QString &path);
  41     void init();
  42
  43 protected slots:
  44     void dirDirty (const QString &path);
  45     void dirCreated(const QString &path);
  46     void dirDeleted(const QString &path);
  47
  48 private:
  49     enum EventType {INIT, DIRTY, CREATED, DELETED};
  50     enum ObjectType {NOTHING, FILE, DIRECTORY};
  51
  52     KDirWatch * m_dirWatch;
  53     void updateData(const QString &path, EventType event);
  54     void clearData(const QString &path);
  55
  56     //QMap < QString, QStringList > m_regiteredListeners;
  57 };
  58
  59 K_EXPORT_PLASMA_DATAENGINE(filebrowser, FileBrowserEngine)
  60
  61 #endif