diff -r 075425b8d9a4 -r 189d20c34778 radioapp/radiouiengine/inc/radiohistoryitem_p.h
--- a/radioapp/radiouiengine/inc/radiohistoryitem_p.h	Fri Jun 11 13:38:32 2010 +0300
+++ b/radioapp/radiouiengine/inc/radiohistoryitem_p.h	Wed Jun 23 18:12:57 2010 +0300
@@ -19,6 +19,7 @@
 #define RADIOHISTORYITEM_H
 
 // System includes
+#include <QSharedData>
 #include <QString>
 #include <QDateTime>
 
@@ -43,11 +44,12 @@
     };
 }
 
-class RadioHistoryItemPrivate
+class RadioHistoryItemPrivate : public QSharedData
 {
 public:
 
     RadioHistoryItemPrivate();
+    RadioHistoryItemPrivate( const RadioHistoryItemPrivate& other );
     RadioHistoryItemPrivate( const QString& artist, const QString& title );
 
     void init( const QString& artist, const QString& title );
@@ -56,13 +58,6 @@
 
 public: // data
 
-    /**
-     * Reference count used for implicit sharing.
-     * Has to be named "ref" instead having the 'm' prefix like all other member variables in Radio
-     * This is because convenience functions like qAtomicAssign() expect it to be named "ref"
-     */
-    QAtomicInt      ref;
-
     int             mId;
 
     QString         mArtist;