/*

* Copyright (c) 2008 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:  Handles duplicate detection

*

*/

#ifndef __CMFMDUPLICATEDETECTOR_H

#define __CMFMDUPLICATEDETECTOR_H

#include <e32base.h>

// Forward declarations

class CCmFillListItem;

class CMdESession;

class CCmFmMdEDuplicateDetector;

class CCmFmMpxDuplicateDetector;

class MCmFmItemHandlerObserver;

// Class declaration

/**

 *  CCmFmDuplicateDetector class

 *  Part of Fill manager. CCmFmDuplicateDetector manages

 *  duplicate detection

 * 

 *  @lib cmfillmanager.lib

 *

 *  @since S60 5.1

 */

NONSHARABLE_CLASS( CCmFmDuplicateDetector ) : public CBase

    {

public:

    /**

     * Two-phased constructor.

     *

     * @since S60 5.1

     * @param aObserver, observer class

     * @param aSession, mde session

     * @return  pointer to CCmFmDuplicateDetector class

     */

    static CCmFmDuplicateDetector* NewL( MCmFmItemHandlerObserver& aObserver,

        CMdESession& aSession );

    /**

     * Two-phased constructor.

     *

     * @since S60 5.1

     * @param aObserver, observer class  

     * @param aSession, mde session   

     * @return  pointer to CCmFmDuplicateDetector class

     */

    static CCmFmDuplicateDetector* NewLC( MCmFmItemHandlerObserver& aObserver,

        CMdESession& aSession );

    /**

     * Destructor.

     */

    virtual ~CCmFmDuplicateDetector();    

public:

    /**

     * Check if file is duplicate.

     * @param aItem, item to be checked

     * @return None

     */

    void CheckItemL( const CCmFillListItem& aItem ); 

    /**

     * Add to items array for duplicated check

     * @param aItem, item to be append

     * @return None

     */

    void AppendToArrayL( const CCmFillListItem& aItem );

    /**

     * reset the duplicator check array

     * @param None

     * @return None

     */

    void ResetArray();

private:

    /**

     * Performs the first phase of two phase construction.

     */

    CCmFmDuplicateDetector( );

    /**

     * Performs the second phase construction.

     *

     * @since S60 5.1

     * @param aObserver, item handler observer

     * @param aSession, mde session

     */

    void ConstructL( MCmFmItemHandlerObserver& aObserver,

        CMdESession& aSession );

private:

    /**

     * MdE (Video & Image) duplicate detector

     */

    CCmFmMdEDuplicateDetector* iCmFmMdEDuplicateDetector; // owned

    /**

     * Mpx (Music) duplicate detector

     */

    CCmFmMpxDuplicateDetector* iCmFmMpxDuplicateDetector; // owned

    };

#endif //  __CMFMDUPLICATEDETECTOR_H