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 0fbe3a128223f2fecdca4572011ab1193f054bd7..1a6b5900eb92b08f7c86650016d554778d2e7da4 100644 (file)
--- a/src/views/draganddrophelper.h
+++ b/src/views/draganddrophelper.h
@@ -21,15 +21,16 @@
 #ifndef DRAGANDDROPHELPER_H
 #define DRAGANDDROPHELPER_H
 
-#include "libdolphin_export.h"
+#include "dolphin_export.h"
 
+#include <QList>
+#include <QUrl>
 
-class QUrl;
 class QDropEvent;
 class QWidget;
 namespace KIO { class DropJob; }
 
-class LIBDOLPHINPRIVATE_EXPORT DragAndDropHelper
+class DOLPHIN_EXPORT DragAndDropHelper
 {
 public:
     /**
@@ -41,12 +42,28 @@ public:
      * @param destUrl   URL of the item destination. Is used only if destItem::isNull()
      *                  is true.
      * @param event     Drop event.
-     * @param window    Associated widget.
-     * @return          KIO::DropJob pointer
+     * @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 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