// Copyright (c) 2006-2009 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:

//

/**

 @file

 @publishedPartner

 @released

*/

#ifndef MTPOBJECTMGRQUERYTYPES_H

#define MTPOBJECTMGRQUERYTYPES_H

#include <e32def.h>

#include <mtp/mtpprotocolconstants.h> 

class RDbView;

/**

Defines the MTP data provider framework object store enumeration manager object

query parameters.

*/

class TMTPObjectMgrQueryParams

    {

public:

    IMPORT_C TMTPObjectMgrQueryParams(TUint32 aStorageId, TUint32 aFormatCode, TUint32 aParentHandle, TUint32 aDpId = KMTPDataProviderAll);

public:

    /**

    The identifier of the storage on which the objects being queried 

    reside. A value of @see KMTPStorageAll requests indicates that an 

    aggregated set of objects residing on all storages is required.

    */

    TUint32 iStorageId;

    /**

    The MTP object format code of the objects being queried. A value of 

    @see KMTPFormatsAll indicates that an aggregated set of all object 

    formats is required.

    */

    TUint32 iFormatCode;

    /**

    The MTP object handle of the parent of the objects being queried. A 

    value of @see KMTPHandleNoParent indicates that the set of objects 

    residing in the root folder of their storage is required. 

    */

    TUint32 iParentHandle;

    /**

    The data provider which owns the MTP objects @see KMTPDataProviderAll 

    indicates objects owned by any data providres

    */

	TUint32  iDpId;

    };

/**

Defines the MTP data provider framework object store enumeration manager 

object query context data. This data indicates if there is additional 

object data to be retrieved which matches the query.

*/

class RMTPObjectMgrQueryContext

    {

public:

    IMPORT_C RMTPObjectMgrQueryContext();

    IMPORT_C void Close();

    IMPORT_C TBool QueryComplete() const;

private:

    friend class CMTPObjectStore;

    IMPORT_C RDbView& DbView();

    IMPORT_C void OpenL();

    IMPORT_C TBool IsOpen() const;

private:

    TAny* iContext;

    };

#endif // MTPOBJECTMGRQUERYTYPES_H