// 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

 @internalComponent

*/

#ifndef CMTPPROXYDP_H

#define CMTPPROXYDP_H

#include <mtp/cmtpdataproviderplugin.h>

#include "rmtpdpsingletons.h"

#include "rmtpproxydpsingletons.h"

class MMTPRequestProcessor;

/** 

Implements the proxy data provider.

@internalComponent

*/

class CMTPProxyDataProvider : public CMTPDataProviderPlugin

    {

public:

    static TAny* NewL(TAny* aParams);

    ~CMTPProxyDataProvider();

private: // From CMTPDataProviderPlugin

	void Cancel();

    void ProcessEventL(const TMTPTypeEvent& aEvent, MMTPConnection& aConnection);

    void ProcessNotificationL(TMTPNotification aNotification, const TAny* aParams);

    void ProcessRequestPhaseL(TMTPTransactionPhase aPhase, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection);

    void StartObjectEnumerationL(TUint32 aStorageId, TBool aPersistentFullEnumeration);

    void StartStorageEnumerationL();

    void Supported(TMTPSupportCategory aCategory, RArray<TUint>& aArray) const;

    TAny* GetExtendedInterface(TUid aInterfaceUid);

 	void SupportedL(TMTPSupportCategory aCategory, CDesCArray& aStrings) const;

	void ConstructL();

private:

    CMTPProxyDataProvider(TAny* aParams);

	TInt LocateRequestProcessorL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection);

	TInt LocateRequestProcessorL(const TMTPTypeEvent& aEvent, MMTPConnection& aConnection);	 

    void SessionClosedL(const TMTPNotificationParamsSessionChange& aSession);

    void SessionOpenedL(const TMTPNotificationParamsSessionChange& aSession);

private:

	RPointerArray<MMTPRequestProcessor>		iActiveProcessors;	//keep track of the active processors (might from different sessions)

    /* DP utility singletons

    */

    RMTPDpSingletons					iDpSingletons;

    TInt									iActiveProcessor;

    TBool									iActiveProcessorRemoved;

    RMTPProxyDpSingletons   iSingletons;

 	/**

    FLOGGER debug trace member variable.

    */

    __FLOG_DECLARATION_MEMBER_MUTABLE;

    };

#endif // CMTPPROXYDP_H