File indexing completed on 2024-05-05 17:56:55

 /*
     SPDX-FileCopyrightText: 2010 Jan Lepper <dehtris@yahoo.de>
     SPDX-FileCopyrightText: 2010-2022 Krusader Krew <https://krusader.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef DIRLISTERINTERFACE_H
 #define DIRLISTERINTERFACE_H
 
 // QtCore
 #include <QObject>
 #include <QUrl>
 
 class FileItem;
 
 /**
  * A minimal interface representing a list of files in a directory.
  */
 class DirListerInterface : public QObject
 {
     Q_OBJECT
 public:
     explicit DirListerInterface(QObject *parent)
         : QObject(parent)
     {
     }
     ~DirListerInterface() override = default;
 
     /**
      * Return the file items of all files and directories. Without current (".") and parent ("..")
      * directory.
      */
     virtual QList<FileItem *> fileItems() const = 0;
     /**
      * Return the number of all file items.
      */
     virtual unsigned long numFileItems() const = 0;
     /**
      * Return true if the directory does not have a parent, else false.
      */
     virtual bool isRoot() const = 0;
 
 signals:
     /**
      * Emitted when scanning the directory for file items finished. The list of file items should
      * now be updated by the view.
      * @param dirChange true if changed to another directory.
      */
     void scanDone(bool dirChange);
     /**
      * Emitted when all file items were removed. The file items may be deleted after this signal and
      * should not be used anymore.
      */
     void cleared();
     /**
      * Emitted when a file was added to the list of file items (not by scan).
      */
     void addedFileItem(FileItem *fileItem);
     /**
      * Emitted when a file item (with the same name) was replaced.
      * The old file item will be deleted after this signal.
      */
     void updatedFileItem(FileItem *newFileItem);
 };
 
 #endif // DIRLISTERINTERFACE_H