/*

* 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:  store file manager

*

*/

#ifndef __CMSMCLFMNGR_H

#define __CMSMCLFMNGR_H

#include <e32base.h>

#include <MCLFOperationObserver.h>

#include <MCLFItemListModel.h>

#include <badesca.h>

#include "cmcommontypes.h"

#include "cmcommon.h"

#include "cmsmcommon.h"

// Forward declarations

class MCLFContentListingEngine;

class MCLFItemListModel;

class MCLFSortingStyle;

class MCmSmMusicMngrObserver;

class CCmSmFileMngr;

// CLASS DECLARATION      

 /**

  * CCmSmClfMngr class definition

  * This class processes music files metadata.

  *

  * @lib cmstoremanager.lib

  *

  * @since S60 5.1

  */

NONSHARABLE_CLASS( CCmSmClfMngr ) : public CActive, 

                     public MCLFOperationObserver

    {         

public:

    /**

     * Two-phased constructor.

     * Creates new CCmSmClfMngr class

     *

     * @since S60 5.1

     * @param aObserver, observer pointer

     * @param aFileMngr, file manager reference

     * @param aItems, store list items

     * @return  pointer to CCmSmClfMngr class

     */

    static CCmSmClfMngr* NewL( MCmSmMusicMngrObserver& aObserver, 

    CCmSmFileMngr& aFileMngr, RPointerArray<CCmStoreListItem>& aItems );

    /**     

     * Two-phased constructor.

     * Creates new CCmSmClfMngr class     

     *

     * @since S60 5.1     

     * @param aObserver, observer pointer

     * @param aFileMngr, file manager reference

     * @param aItems, store list items

     * @return  pointer to CCmSmClfMngr class

     */

    static CCmSmClfMngr* NewLC( MCmSmMusicMngrObserver& aObserver, 

    CCmSmFileMngr& aFileMngr, RPointerArray<CCmStoreListItem>& aItems );

    /**

     * Destructor.

     */

    virtual ~CCmSmClfMngr();

    /**

     * Cancels list processing

     *

     * @since S60 5.1

     * @param None

     * @return None

     */              

    void CancelOperation();

    /**

     * Cancel clf refresh

     *

     * @since S60 5.1

     * @param None

     * @return None

     */     

    void CancelClfRefresh();

    /**

     * Setting up clf lists

     *

     * @since S60 5.1

     * @param aMediaType, media type

     * @return None

     */                        

    void SetupCLFListModelsL( TCmMediaType aMediaType );

    /**

     * CLF refresh

     *

     * @since S60 5.1

     * @param aMediaType, media type

     * @return None

     */        

    void DoRefreshL( TCmMediaType aMediaType );

    /**

     * Filters files from the clf lists

     *

     * @since S60 5.1

     * @param None

     * @return None

     */        

    void FilterItemsL();

    /**

     * Filters defined media files from the clf lists

     *

     * @since S60 5.1

     * @param aNewItems, list model

     * @param aDeviceIds, devices

     * @param aType, media type

     * @return None

     */        

    void FilterNewItemsL( MCLFItemListModel* aNewItems, 

        RArray<TInt> aDeviceIds, TCmMediaType aType );  

// From base class MCLFOperationObserver

    /**

     * From MCLFOperationObserver

     * See base class definition

     */

    void HandleOperationEventL( TCLFOperationEvent aOperationEvent,

                                TInt aError ); 

protected:

// From base class CActive

    /**

     * From CActive

     * See base class definition

     */

    void RunL();

    /**

     * From CActive

     * See base class definition

     */

    void DoCancel();

private:

    /**

     * Completes request

     *

     * @since S60 5.1

     * @param aStatus, defined id for the completing 

     * @return None

     */     

    void CompleteRequest( TCmSmFileProcessingStatus aStatus );                   

private:

    /**

     * Performs the first phase of two phase construction.

     *

     * since S60 5.1

     * @param aObserver, music manager observer

     * @param aFileMngr, file manager

     * @param aItems, store list items

     */

    CCmSmClfMngr( MCmSmMusicMngrObserver& aObserver, 

    CCmSmFileMngr& aFileMngr, RPointerArray<CCmStoreListItem>& aItems );

    /**

     * Performs the second phase construction.

     */

    void ConstructL();

private:

    /**

     * Pointer to observer class

     */

    MCmSmMusicMngrObserver& iObserver;    

    /**

     * Main file manager

     */

    CCmSmFileMngr& iFileMngr;        

    /**

     * Clf engine

     */

    MCLFContentListingEngine* iEngine;          // owned    

    /**

     * Audio list model to be refreshed

     */

    MCLFItemListModel* iNewAudioItems;          // owned    

    /**

     * Image list model to be refreshed

     */

    MCLFItemListModel* iNewImageItems;          // owned    

    /**

     * Video list model to be refreshed

     */

    MCLFItemListModel* iNewVideoItems;          // owned

    /**

     * Sorting style for item ordering.

     */       

    MCLFSortingStyle* iSortingStyle;            // owned

    /**

     * Store file list items

     */

    RPointerArray<CCmStoreListItem>& iItems;

    /**       

     * Filter file index

     */

    TInt iFilterIndex;      

    };

#endif //  __CMSMCLFMNGR_H