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diff --git a/kipi-plugins/slideshow/slideshowloader.h b/kipi-plugins/slideshow/slideshowloader.h
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+/* ============================================================
+ *
+ * This file is a part of kipi-plugins project
+ * http://www.kipi-plugins.org
+ *
+ * Date        : 2007-11-11
+ * Description : a kipi plugin to slide images.
+ *
+ * Copyright (C) 2007 by Valerio Fuoglio <valerio dot fuoglio at gmail dot com>
+ *
+ * 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, 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.
+ *
+ * ============================================================ */
+
+#ifndef SLIDESHOWLOADER_H
+#define SLIDESHOWLOADER_H
+
+// QT includes
+
+#include <qmap.h>
+#include <qmutex.h>
+#include <qimage.h>
+#include <qpixmap.h>
+#include <qthread.h>
+#include <qvaluelist.h>
+#include <qpair.h>
+
+// KDE includes
+
+#include <kurl.h>
+
+typedef QPair<QString, int> FileAnglePair;
+typedef QValueList<FileAnglePair> FileList;
+
+namespace KIPISlideShowPlugin
+{
+
+  typedef QMap<KURL, QImage> LoadedImages;
+  
+  class LoadThread : public QThread
+  {
+
+    public:
+
+      LoadThread(LoadedImages* loadedImages, QMutex* imageLock, const KURL path, 
+                 const int angle, int width, int height);
+      ~LoadThread();
+
+    protected:
+
+      void run();
+
+    private:
+
+      QMutex*   m_imageLock;
+      LoadedImages* m_loadedImages;
+
+      KURL      m_path;
+      QString   m_filename;
+      int       m_angle;
+      int       m_swidth;
+      int       m_sheight;
+  };
+  
+  typedef QMap<KURL, LoadThread*> LoadingThreads;
+  
+  class SlideShowLoader
+  {
+
+    public: 
+
+      SlideShowLoader(FileList &pathList, uint cacheSize, int width, int height, int beginAtIndex=0);
+      ~SlideShowLoader();
+      
+      void next();
+      void prev();
+      
+      QImage getCurrent();
+      QString currFileName();
+      KURL    currPath();
+      
+    private:
+
+      void checkIsIn(int index); 
+      
+      LoadingThreads* m_loadingThreads;
+      LoadedImages* m_loadedImages;
+      FileList m_pathList;
+  
+      QMutex* m_imageLock;
+      QMutex* m_threadLock;
+      
+      uint m_cacheSize;
+      int m_currIndex;
+      int m_swidth;
+      int m_sheight;
+  };
+
+}  // NameSpace KIPISlideShowPlugin
+
+#endif // SLIDESHOWLOADER_H