// 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 CMTPFILEDP_H

#define CMTPFILEDP_H

#include <mtp/cmtpdataproviderplugin.h>

#include "mmtpenumerationcallback.h"

#include "mtpdebug.h"

#include "rmtpfiledpsingletons.h"

#include "rmtpdpsingletons.h"

class CMTPFileDpExclusionMgr;

class CMTPFSEnumerator;

class MMTPRequestProcessor;

/** 

Implements the file data provider plugin.

@internalComponent

*/

class CMTPFileDataProvider : 

    public CMTPDataProviderPlugin, 

    public MMTPEnumerationCallback

    {

public:

    static TAny* NewL(TAny* aParams);

    ~CMTPFileDataProvider();

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;

private: // From MMTPEnumerationCallback

    void NotifyEnumerationCompleteL(TUint32 aStorageId, TInt aError);

private:

    CMTPFileDataProvider(TAny* aParams);

    void ConstructL();

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

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

    void SessionClosedL(const TMTPNotificationParamsSessionChange& aSession);

    void SessionOpenedL(const TMTPNotificationParamsSessionChange& aSession);

    /**

     * [SP-Format-0x3002]Special processing for PictBridge DP which own 6 dps file with format 0x3002, 

     * but it does not really own the format 0x3002.

     * 

     * Check whether the Pictbridgedp exists or not.

     */

    TBool PictbridgeDpExistL() const;

    static void ImplementationsCleanup(TAny* aData);

private:

	/**

    FLOGGER debug trace member variable.

    */

    __FLOG_DECLARATION_MEMBER_MUTABLE;

    /**

    The active request processors table.

    */ 

    RPointerArray<MMTPRequestProcessor> iActiveProcessors;

    /**

    The storage enumerator.

    */

    CMTPFSEnumerator*              		iFileEnumerator;

    /**

    The file dp exclusion manager.

    */

    CMTPFileDpExclusionMgr*				iExclusionMgr;

    /**

    The list of storages to be enumerated.

    */

    RArray<TUint32>                     iPendingEnumerations;

    /**

    File data provider singletons

    */

    RMTPFileDpSingletons 				iFileDPSingletons;

    /**

    DP utility singletons

    */

    RMTPDpSingletons					iDpSingletons;

    TInt								iActiveProcessor;

    TBool								iActiveProcessorRemoved;

    };

#endif // CMTPFILEDP_H