workspace/plasma/wallpapers/image/backgroundlistmodel.h

   1 /*
   2   Copyright (c) 2007 Paolo Capriotti <p.capriotti@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 as published by
   6   the Free Software Foundation; either version 2 of the License, or
   7   (at your option) any later version.
   8 */
   9
  10 #ifndef BACKGROUNDLISTMODEL_H
  11 #define BACKGROUNDLISTMODEL_H
  12
  13 #include <QAbstractListModel>
  14 #include <KDirWatch>
  15
  16 class Background;
  17
  18 class BackgroundContainer
  19 {
  20 public:
  21     virtual ~BackgroundContainer() {};
  22     virtual bool contains(const QString &path) const = 0;
  23 };
  24
  25 class BackgroundListModel : public QAbstractListModel, public BackgroundContainer
  26 {
  27 public:
  28     BackgroundListModel(float ratio, QObject *listener);
  29     virtual ~BackgroundListModel();
  30
  31     virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
  32     virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
  33     Background* package(int index) const;
  34
  35     void reload();
  36     void reload(const QStringList &selected);
  37     void addBackground(const QString &path);
  38     int indexOf(const QString &path) const;
  39     void removeBackground(const QString &path);
  40     virtual bool contains(const QString &bg) const;
  41
  42     static QList<Background *> findAllBackgrounds(const BackgroundContainer *container,
  43                                                     const QString &path, float ratio);
  44
  45 private:
  46     QObject *m_listener;
  47     QList<Background*> m_packages;
  48     float m_ratio;
  49     KDirWatch m_dirwatch;
  50 };
  51
  52 #endif // BACKGROUNDLISTMODEL_H