Merge remote-tracking branch 'origin/KDE/4.10'

[dolphin.git] / src / views / draganddrophelper.h

diff --git a/src/views/draganddrophelper.h b/src/views/draganddrophelper.h
index 3cb506c43a0dca90fc12b19ebb976432782f9a85..eda5fc5c268fb1daa7322cdf5e88ffe778892f6c 100644 (file)
--- a/src/views/draganddrophelper.h
+++ b/src/views/draganddrophelper.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2007 by Peter Penz <peter.penz@gmx.at>                  *
+ *   Copyright (C) 2007-2011 by Peter Penz <peter.penz19@gmail.com>        *
  *   Copyright (C) 2007 by David Faure <faure@kde.org>                     *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -22,81 +22,40 @@
 #define DRAGANDDROPHELPER_H
 
 #include "libdolphin_export.h"
-#include <QObject>
-#include <QPixmap>
 
-class DolphinViewController;
+#include <QString>
+
 class KFileItem;
 class KUrl;
 class QDropEvent;
-class QAbstractItemView;
-class QMimeData;
 class QWidget;
+class KonqOperations;
 
-/**
- * @brief Helper class for having a common drag and drop behavior.
- *
- * The class is used by DolphinIconsView, DolphinDetailsView,
- * DolphinColumnView and PanelTreeView to have a consistent
- * drag and drop behavior between all views.
- */
-class LIBDOLPHINPRIVATE_EXPORT DragAndDropHelper : public QObject
+class LIBDOLPHINPRIVATE_EXPORT DragAndDropHelper
 {
-    Q_OBJECT
-
 public:
-    static DragAndDropHelper& instance();
-
-    /**
-     * Returns true, if Dolphin supports the dragging of
-     * the given mime data.
-     */
-    bool isMimeDataSupported(const QMimeData* mimeData) const;
-
-    /**
-     * Creates a drag object for the view \a itemView for all selected items.
-     */
-    void startDrag(QAbstractItemView* itemView,
-                   Qt::DropActions supportedActions,
-                   DolphinViewController* dolphinViewController = 0);
-
-    /**
-     * Returns true if and only if the view \a itemView was the last view to 
-     * be passed to startDrag(...), and that drag is still in progress.
-     */
-    bool isDragSource(QAbstractItemView* itemView) const;
-
     /**
-     * Handles the dropping of URLs to the given
-     * destination. A context menu with the options
-     * 'Move Here', 'Copy Here', 'Link Here' and
-     * 'Cancel' is offered to the user.
-     * @param destItem  Item of the destination (can be null, see KFileItem::isNull()).
-     * @param destPath  Path of the destination.
+     * Handles the dropping of URLs to the given destination. A context menu
+     * with the options 'Move Here', 'Copy Here', 'Link Here' and 'Cancel' is
+     * offered to the user. The drag destination must represent a directory or
+     * a desktop-file, otherwise the dropping gets ignored.
+     *
+     * @param destItem  Item of the destination. Can be 0 (KFileItem::isNull()) if
+     *                  no file-item is available for the destination. In this case
+     *                  destUrl is used as fallback. For performance reasons it is
+     *                  recommended to pass a file-item if available.
+     * @param destUrl   URL of the item destination. Is used only if destItem::isNull()
+     *                  is true.
      * @param event     Drop event.
-     * @param widget    Source widget where the dragging has been started.
+     * @param error     Error message intended to be shown for users if dropping is not
+     *                  possible. If an empty string is returned, the dropping has been
+     *                  successful.
+     * @return          KonqOperations pointer
      */
-    void dropUrls(const KFileItem& destItem,
-                  const KUrl& destPath,
-                  QDropEvent* event,
-                  QWidget* widget);
-signals:
-    void errorMessage(const QString& msg);
-
-private:
-    DragAndDropHelper();
-    
-    /**
-     * Creates a pixmap the contains the all icons of the items
-     * that are dragged.
-     */
-    QPixmap createDragPixmap(QAbstractItemView* itemView) const;
-    
-    // The last view passed in startDrag(...), or 0 if
-    // no startDrag(...) initiated drag is in progress.
-    QAbstractItemView *m_dragSource;
-
-    friend class DragAndDropHelperSingleton;
+    static KonqOperations* dropUrls(const KFileItem& destItem,
+                                    const KUrl& destUrl,
+                                    QDropEvent* event,
+                                    QString& error);
 };
 
 #endif