/*

* Copyright (c) 2002 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:  

*     Item Engine owns the setting items.

*

*/

#ifndef CWMLITEMENGINE_H

#define CWMLITEMENGINE_H

// INCLUDES

#include <e32base.h>

// FORWARD DECLARATIONS

class CParsedField;

class CWmlSubItemBase;

class CAknWaitDialog;

class MProgressDialogCallback;

// CLASS DECLARATION

/**

* CWmlItemEngine owns the individual setting items.

* It provides methods for manipulating them.

*/

NONSHARABLE_CLASS( CWmlItemEngine )

: public CBase

    {

    public: // construction / destruction

        /**

        * First stage constructor.

        */

        static CWmlItemEngine* NewL();

        /**

        * Destructor.

        */  

        ~CWmlItemEngine();

    public:

        /**

        * Create the item arrays.

        * @param aParseFields reference to the parsedfields array.

        */

        void CreateItemArraysL( const CArrayPtrSeg<CParsedField>& aParsedFields );

    public:

        /**

        * Get the bookmark count.

        * @return Number of Bookmark setting items.

        */

        TInt BookmarkCount() const;

        /**

        * Get the Current item.

        * @return reference to the current item.

        */

        CWmlSubItemBase& CurrentItem() const;

        /**

        * Set the current item.

        * @param aIndex index of the current item.

        */

        void SetCurrentItem( const TInt aIndex );

        void SaveCurrentItemL();

    private:

        /**

        * The second phase constructor.

        */        

        void ConstructL();

		/**

		* Checks the available disk space.

		* If the current disk space is below critical level

		* leaves with KErrDiskFull

		*/

		void CheckDiskSpaceL();

    private: // Data

        /// Pointer to the current item

        CWmlSubItemBase* iCurrentItem;

    private:

        /// This arrays own the objects.

        CArrayPtrSeg<CWmlSubItemBase>* iBMArray;

        // This indexes point to to corresponding array.

        TInt iCurrentBMIndex;

        /// Pointer to the itemarray.

        CArrayPtrSeg<CWmlSubItemBase>* iItemArray;

		/// Current operation state

		TInt iOperationState;

        /// Pointer to the wait dialog.

        CAknWaitDialog* iWaitDialog;

		/// Pointer to dialog callback object.

		MProgressDialogCallback* iDialogCallback;

    };

#endif // CWMLITEMENGINE_H

// End of file