menucontentsrv/srvinc/mcschildrenhandler.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:54:17 +0200
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/*
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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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*/
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#ifndef MCSCHILDRENHANDLER_H_
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#define MCSCHILDRENHANDLER_H_
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#include "mcschildrenscanner.h"
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class CMenuSrvEng;
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class CMcsCacheHandler;
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/**
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 *  FolderChildrenCount Handler.
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 *  @lib mcsmenu.lib
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 *  @since S60 v5.0
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 */
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NONSHARABLE_CLASS( CMcsChildrenHandler ): 
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    public CBase,
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    public MMcsChildrenScanner
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    {
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public:
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    /**
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    * Two-phased constructor. Leaves on failure.
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    * @return The constructed object.
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    */
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    static CMcsChildrenHandler* NewL( 
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        CMenuSrvEng& aSrvEng,
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        CMcsCacheHandler& aCacheHandler );
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    /**
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    * Destructor.
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    * @since S60 v5.0
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    * @capability None.
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    * @throws None.
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    * @panic None.
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    */
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    virtual ~CMcsChildrenHandler();
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    void EngineEvents( TInt aFolder, TInt aEvents );
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    void HandleChildrenEvent(TInt aId, TUint aOldCount, TUint aNewCount);
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private:
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    /**
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    * Constructor.
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    */
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	CMcsChildrenHandler( 
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        CMenuSrvEng& aSrvEng,
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        CMcsCacheHandler& aCacheHandler  );
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    /**
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    * 2nd phase constructor.
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    */
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    void ConstructL();
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    void ScanL(TInt aFolder);
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private:    // data
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    CMenuSrvEng& iSrvEng;
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    CMcsCacheHandler& iCacheHandler;
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    CMcsChildrenScanner* iScanner; /// < Own
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    };
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#endif /*MCSCHILDRENHANDLER_H_*/