--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hgcacheproxymodel/tsrc/unit/bmhelper.h	Mon May 03 13:32:54 2010 +0300
@@ -0,0 +1,41 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*  Version     : %version: 1 %
+*/
+#ifndef BUFFERMANAGERHELPER_H
+#define BUFFERMANAGERHELPER_H
+
+#include <hgwidgets/hgcacheproxymodel.h>
+
+class BMHelper: public HgBufferManagerObserver
+{
+public:
+    BMHelper(int totalSize);
+    ~BMHelper();
+    
+    virtual void release(int start, int end);
+    virtual void request(int start, int end, HgRequestOrder order = HgRequestOrderAscending);  
+
+    bool isIntergal(int bufferSize);
+    void itemCountChanged( int aIndex, bool aRemoved, int aNewTotalCount );
+    void resizeCache(int newSize);
+
+    
+private:    
+    QList< bool > mBuffer;
+    
+};
+#endif // BUFFERMANAGERHELPER_H