/*

* Copyright (c) 2007-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  Implements CLiwIterable type

*

*/

#ifndef __CMGITEMSLIST_H

#define __CMGITEMSLIST_H

#include <liwgenericparam.h> 

#include "mgservice.hrh"

class MCLFItemListModel;

class MgMediaItemFactory;

class CMgMediaItem;

class CClfOperationObserver;

/**

 *  This class implements the abstract methods of CLiwIterable   

 *  class so that the user may iterate over the result 

 *  

 *  @since Series60 v3.2

 */

NONSHARABLE_CLASS( CMgItemsList ) : public CLiwIterable

    {

public:

    /**

     * Two-phased constructor.

     * @param aItemListModel holds a reference to the item list model

     * @param aCmdId specifies whether the SAPI is GetFiles or GetFilesInfo

     * @return A pointer of type CMgItemsList

     */

     static CMgItemsList* NewL( MCLFItemListModel* aItemListModel, CClfOperationObserver* aOperationObserver, TMgCmdId aCmdId );

    /**

    * Destructor.

    */

    ~CMgItemsList();

    /**

     * Resets the iterator to point to the beginning of list

     * @param void

     * @return void

     */

    void Reset();	

    /**

     * Constructs the next media item in the form of a map

     * @param TLiwVariant an output parameter that contains the result

     * @return TBool On success this returns ETrue else returns EFalse

     */	

    TBool NextL( TLiwVariant& aItem );

private:

     /**

     * Parameterised constructor

     * @since  Series60 v3.2

     * @param  aItemListModel holds a reference to the item list model

     * @param  aCmdId specifies whether the SAPI is GetFiles or GetFilesInfo

     */

    CMgItemsList( MCLFItemListModel* aItemListModel, CClfOperationObserver* aOperationObserver, TMgCmdId aCmdId );

private: // data

    /**

    * A pointer to MCLFItemListModel class

    */

    MCLFItemListModel* iItemListModel;

    CClfOperationObserver* iOperationObserver;

    /**

    * Indicates whether GetFiles or GetFilesInfo SAPI is being processed

    */

    TMgCmdId iCmdId;

    /**

    * Gives the total number of items in list model 

    */

    TInt iCount;

    /**

    * Gives the current item being processed

    */

    TInt iCurrent;

    /**

    * Store the file type of current list 

    */

    CMgMediaItem* iMediaItem;

    };

#endif // __CMGITEMSLIST_H