/*

* Copyright (c) 2006 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:  Definitions for incremental open command type

*

*/

#ifndef MPXINCREMENTALOPENDEFS_H

#define MPXINCREMENTALOPENDEFS_H

#include <mpxattribute.h>

/**

 * Content ID for opening incrementally

 */

const TInt KMPXCommandIdIncrementalOpenL = 0x1028297B;

/**

 * Enumeration for ascending or decending

 */

enum TReadDirection

    {

    EReadUnknown = -1,

    EReadDescending = 0,

    EReadAscending = 1

    };

/**

 *  Attributes supported for KMPXCommandIdIncrementalOpenL

 */    

/**

 * The collection path to open (CMPXCollectionPath)

 */    

const TMPXAttributeData KMPXCollectionCommandIdIncOpenLPath = {

                        KMPXCommandIdIncrementalOpenL, 0x01};

/**

 * Offset to start reading from (TInt)

 */ 

const TMPXAttributeData KMPXCollectionCommandIdIncOpenLOffset = {

                        KMPXCommandIdIncrementalOpenL, 0x02};

/**

 * Number of items to read (TInt)

 */                         

const TMPXAttributeData KMPXCollectionCommandIdIncOpenLNumItems = {

                        KMPXCommandIdIncrementalOpenL, 0x04};

/**

 * Read ascending or decending (EReadDescending for dsc, 

 *                              EReadAscending for asc)

 * 

 * Can use ascending read if a key item can be provided for faster access

 */                         

const TMPXAttributeData KMPXCollectionCommandIdIncOpenLAscDsc = {

                        KMPXCommandIdIncrementalOpenL, 0x08};

/**

 * Value of some key (TDesC) to accelerate open db

 *

 * For example, KMPXMediaGeneralTitle can be used

 * as a reference for plugins to quickly jump to the 

 * last retrieved item

 */                         

const TMPXAttributeData KMPXCollectionCommandIdIncOpenLKeyItem = {

                        KMPXCommandIdIncrementalOpenL, 0x10};

#endif // MPXINCREMENTALOPENDEFS_H