File indexing completed on 2024-05-12 04:19:48

 /*
 Gwenview: an image viewer
 Copyright 2007 Aurélien Gâteau <agateau@kde.org>
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 */
 #ifndef SORTEDDIRMODEL_H
 #define SORTEDDIRMODEL_H
 
 #include <config-gwenview.h>
 
 // Qt
 #include <QPointer>
 
 // KF
 #include <KDirSortFilterProxyModel>
 
 // Local
 #include <lib/gwenviewlib_export.h>
 #include <lib/mimetypeutils.h>
 
 class KDirLister;
 class KFileItem;
 class QUrl;
 
 namespace Gwenview
 {
 class AbstractSemanticInfoBackEnd;
 struct SortedDirModelPrivate;
 
 #ifndef GWENVIEW_SEMANTICINFO_BACKEND_NONE
 struct SemanticInfo;
 #endif
 
 class SortedDirModel;
 class GWENVIEWLIB_EXPORT AbstractSortedDirModelFilter : public QObject
 {
 public:
     AbstractSortedDirModelFilter(SortedDirModel *model);
     ~AbstractSortedDirModelFilter() override;
     SortedDirModel *model() const
     {
         return mModel;
     }
 
     virtual bool needsSemanticInfo() const = 0;
     /**
      * Returns true if index should be accepted.
      * Warning: index is a source index of SortedDirModel
      */
     virtual bool acceptsIndex(const QModelIndex &index) const = 0;
 
 private:
     QPointer<SortedDirModel> mModel;
 };
 
 /**
  * This model makes it possible to show all images in a folder.
  * It can filter images based on name and metadata.
  */
 class GWENVIEWLIB_EXPORT SortedDirModel : public KDirSortFilterProxyModel
 {
     Q_OBJECT
 public:
     explicit SortedDirModel(QObject *parent = nullptr);
     ~SortedDirModel() override;
     KDirLister *dirLister() const;
     /**
      * Redefines the dir lister, useful for debugging
      */
     void setDirLister(KDirLister *);
     KFileItem itemForIndex(const QModelIndex &index) const;
     QUrl urlForIndex(const QModelIndex &index) const;
     KFileItem itemForSourceIndex(const QModelIndex &sourceIndex) const;
     QModelIndex indexForItem(const KFileItem &item) const;
     QModelIndex indexForUrl(const QUrl &url) const;
 
     void setKindFilter(MimeTypeUtils::Kinds);
     MimeTypeUtils::Kinds kindFilter() const;
 
     void adjustKindFilter(MimeTypeUtils::Kinds, bool set);
 
     /**
      * A list of file extensions we should skip
      */
     void setBlackListedExtensions(const QStringList &list);
 
     void addFilter(AbstractSortedDirModelFilter *);
 
     void removeFilter(AbstractSortedDirModelFilter *);
 
     void reload();
 
     AbstractSemanticInfoBackEnd *semanticInfoBackEnd() const;
 
 #ifndef GWENVIEW_SEMANTICINFO_BACKEND_NONE
     SemanticInfo semanticInfoForSourceIndex(const QModelIndex &sourceIndex) const;
 #endif
 
     bool hasDocuments() const;
 
 public Q_SLOTS:
     void applyFilters();
 
 protected:
     bool filterAcceptsRow(int row, const QModelIndex &parent) const override;
     bool lessThan(const QModelIndex &left, const QModelIndex &right) const override;
 
 private Q_SLOTS:
     void doApplyFilters();
 
 private:
     friend struct SortedDirModelPrivate;
     SortedDirModelPrivate *const d;
 };
 
 } // namespace
 
 #endif /* SORTEDDIRMODEL_H */