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diff --git a/src/views/viewextensionsfactory.h b/src/views/viewextensionsfactory.h
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+/***************************************************************************
+ *   Copyright (C) 2009 by Peter Penz <[email protected]>                  *
+ *                                                                         *
+ *   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 VIEWEXTENSIONSFACTORY_H
+#define VIEWEXTENSIONSFACTORY_H
+
+#include <QObject>
+
+#include "dolphinview.h"
+
+class DolphinFileItemDelegate;
+class DolphinSortFilterProxyModel;
+class DolphinViewAutoScroller;
+class KFilePreviewGenerator;
+class FolderExpander;
+class QModelIndex;
+class SelectionManager;
+class ToolTipManager;
+class QAbstractItemView;
+class VersionControlObserver;
+class ViewModeController;
+
+/**
+ * @brief Responsible for creating extensions like tooltips and previews
+ *        that are available in all view implementations.
+ *
+ * Each view implementation (iconsview, detailsview, columnview) must
+ * instantiate an instance of this class to assure having
+ * a common behavior that is independent from the custom functionality of
+ * a view implementation.
+ */
+class ViewExtensionsFactory : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit ViewExtensionsFactory(QAbstractItemView* view,
+                                   DolphinViewController* dolphinViewController,
+                                   const ViewModeController* viewModeController);
+    virtual ~ViewExtensionsFactory();
+
+    /**
+     * Must be invoked by the item view, when QAbstractItemView::currentChanged()
+     * has been called. Assures that the current item stays visible when it has been
+     * changed by the keyboard.
+     */
+    void handleCurrentIndexChange(const QModelIndex& current, const QModelIndex& previous);
+
+    DolphinFileItemDelegate* fileItemDelegate() const;
+
+    /**
+     * Enables the automatically expanding of a folder when dragging
+     * items above the folder.
+     */
+    void setAutoFolderExpandingEnabled(bool enabled);
+    bool autoFolderExpandingEnabled() const;
+
+protected:
+    virtual bool eventFilter(QObject* watched, QEvent* event);
+
+private slots:
+    void slotZoomLevelChanged();
+    void cancelPreviews();
+    void slotShowPreviewChanged();
+    void slotShowHiddenFilesChanged();
+    void slotSortingChanged(DolphinView::Sorting sorting);
+    void slotSortOrderChanged(Qt::SortOrder order);
+    void slotSortFoldersFirstChanged(bool foldersFirst);
+    void slotNameFilterChanged(const QString& nameFilter);
+    void slotRequestVersionControlActions(const KFileItemList& items);
+    void requestActivation();
+
+private:
+    DolphinSortFilterProxyModel* proxyModel() const;
+
+private:
+    QAbstractItemView* m_view;
+    DolphinViewController* m_dolphinViewController;
+    ToolTipManager* m_toolTipManager;
+    KFilePreviewGenerator* m_previewGenerator;
+    SelectionManager* m_selectionManager;
+    DolphinViewAutoScroller* m_autoScroller;
+    DolphinFileItemDelegate* m_fileItemDelegate;   
+    VersionControlObserver* m_versionControlObserver;
+    FolderExpander* m_folderExpander;
+};
+
+#endif
+