1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 *  Version     : %version: 1 %

    17 */

    18 #ifndef BUFFERMANAGERHELPER_H

    19 #define BUFFERMANAGERHELPER_H

    20 

    21 #include <hgwidgets/hgcacheproxymodel.h>

    22 

    23 class BMHelper: public HgBufferManagerObserver

    24 {

    25 public:

    26     BMHelper(int totalSize);

    27     ~BMHelper();

    28     

    29     virtual void release(int start, int end);

    30     virtual void request(int start, int end, HgRequestOrder order = HgRequestOrderAscending);  

    31 

    32     bool isIntergal(int bufferSize);

    33     void itemCountChanged( int aIndex, bool aRemoved, int aNewTotalCount );

    34     void resizeCache(int newSize);

    35 

    36     

    37 private:    

    38     QList< bool > mBuffer;

    39     

    40 };

    41 #endif // BUFFERMANAGERHELPER_H