/*

* Copyright (c) 2002-2009 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: 

*

*/

#ifndef CCLFDEFAULTOPERATION_H

#define CCLFDEFAULTOPERATION_H

//  INCLUDES

#include <MCLFCustomSorter.h>

#include <MCLFPostFilter.h>

#include <MCLFCustomGrouper.h>

#include <CLFContentListing.hrh>

#include <CLFContentListing.h>

#include <e32base.h>

// FORWARD DECLARATIONS

class MCLFSortingStyle;

class MCLFModifiableItem;

// CLASS DECLARATION

/**

*  This class implements operations from

*  MCLFCustomSorter, MCLFPostFilter and MCLFCustomGrouper.

*

*  @lib ContentListingFramework.lib

*  @since Series 60 3.0

*/

NONSHARABLE_CLASS( CCLFDefaultOperation ) : public CBase,

                                            public MCLFCustomSorter,

                                            public MCLFPostFilter,

                                            public MCLFCustomGrouper

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CCLFDefaultOperation* NewL();

        /**

        * Destructor.

        */

        virtual ~CCLFDefaultOperation();

    public: // New functions

        /**

        * Set sorting style.

        * @since Series 60 3.0

        * @param aSortingStyle Ownership is not transfered

        */

        void SetSortingStyle( MCLFSortingStyle* aSortingStyle );

        /**

        * Append sorting style.

        * @since Series 60 3.0

        * @param aSortingStyle Ownership is not transfered

        */

        void AppendSortingStyleL( MCLFSortingStyle& aSortingStyle );

        /**

        * Set item grouping.

        * @since Series 60 3.0

        * @param aGrouping Grouping style

        */

        void SetGrouping( TCLFGrouping aGrouping );

    protected:  // New functions

        void DoMusicAlbumGroupingL( const TArray<MCLFItem*>& aSourceList,

                                    RPointerArray<MCLFItem>& aGroupedList );

    protected:  // Functions from base classes

        /**

        * From MCLFCustomSorter

        */

        virtual void SortItemsL( RPointerArray<MCLFItem>& aItemArray );

        /**

        * From MCLFCustomGrouper

        */

        virtual void GroupItemsL( const TArray<MCLFItem*>& aSourceList,

                                  RPointerArray<MCLFItem>& aGroupedList );

        /**

        * From MCLFPostFilter

        */

        virtual void FilterItemsL( const TArray<MCLFItem*>& aItemList,

                                   RPointerArray<MCLFItem>& aFilteredItemList );

    private:

        /**

        * C++ default constructor.

        */

        CCLFDefaultOperation();

    private:    // Data

        // Ref.

        MCLFSortingStyle* iSortingStyle;

        // Ref.

        RPointerArray<MCLFSortingStyle> iSortingStyleArray;

        // Grouping style

        TCLFGrouping iGrouping;

        // Own. this class owns grouped items

        RPointerArray<MCLFModifiableItem> iGroupedItemList;

    };

#endif      // CCLFDEFAULTOPERATION_H

// End of File