Fix ascending/descending choosers getting unchecked when re-selecting the same sort...

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

diff --git a/src/views/draganddrophelper.h b/src/views/draganddrophelper.h
index 85e47077d289bfa337c2ce2af12dad7bd89f1a0e..1a6b5900eb92b08f7c86650016d554778d2e7da4 100644 (file)
--- a/src/views/draganddrophelper.h
+++ b/src/views/draganddrophelper.h
@@ -21,34 +21,49 @@
 #ifndef DRAGANDDROPHELPER_H
 #define DRAGANDDROPHELPER_H
 
-#include "libdolphin_export.h"
+#include "dolphin_export.h"
 
-#include <QString>
+#include <QList>
+#include <QUrl>
 
-class KFileItem;
-class KUrl;
 class QDropEvent;
 class QWidget;
+namespace KIO { class DropJob; }
 
-class LIBDOLPHINPRIVATE_EXPORT DragAndDropHelper
+class DOLPHIN_EXPORT DragAndDropHelper
 {
 public:
     /**
-     * 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 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.
-     * @return          Error message if dropping is not possible. If an empty string
-     *                  is returned, the dropping has been successful.
+     * @param window    Widget where the drop happened, will be used as parent of the drop menu.
+     * @return          KIO::DropJob pointer or null in case the destUrl is contained
+     *                  in the mimeData url list.
      */
-    static QString dropUrls(const KFileItem& destItem,
-                            const KUrl& destPath,
-                            QDropEvent* event,
-                            QWidget* widget);
+    static KIO::DropJob* dropUrls(const QUrl& destUrl,
+                                  QDropEvent* event,
+                                  QWidget *window);
+
+    /**
+     * @return True if destUrl is contained in the urls parameter.
+     */
+    static bool urlListMatchesUrl(const QList<QUrl>& urls, const QUrl& destUrl);
+
+    /**
+     * clear the internal cache.
+     */
+    static void clearUrlListMatchesUrlCache();
+private:
+    /**
+     * Stores the results of the expensive checks made in urlListMatchesUrl.
+     */
+    static QHash<QUrl, bool> m_urlListMatchesUrlCache;
 };
 
 #endif