/*+
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description:+
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*+
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*  Version     : %version: 2 %+
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*/+
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#ifndef BUFFERMANAGERHELPER_H+
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#define BUFFERMANAGERHELPER_H+
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+
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#include <hgwidgets/hgcacheproxymodel.h>+
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+
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class BMHelper: public HgBufferManagerObserver+
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{+
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public:+
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    BMHelper(int totalSize);+
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    ~BMHelper();+
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    +
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    virtual void release(int start, int end);+
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    virtual void request(int start, int end, HgRequestOrder order = HgRequestOrderAscending);  +
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+
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    bool isIntergal(int bufferSize);+
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    int totalSize();+
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    void resizeCache(int newSize);+
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+
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    void remove(int pos);+
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    void insert(int pos);+
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+
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    +
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private:    +
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    QList< bool > mBuffer;+
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    +
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};+
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#endif // BUFFERMANAGERHELPER_H+
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