/*

* Copyright (c) 2004 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:  Presence contact list transactions.

*

*/

#ifndef CPENGCONTACTLISTTRANSACTION2IMP_H

#define CPENGCONTACTLISTTRANSACTION2IMP_H

//  INCLUDES

#include <E32Base.h>

#include <CPEngContactListTransaction2.h>

#include "MPEngAsyncOperationOwner.h"

#include "RPEngManagerClient.h"

//FORWARD DECLARATIONS

class CPEngContactListTransaction2;

class CPEngAsyncOperation;

class CPEngNWSessionSlotID2;

class CPEngNWSessionSlotStorageProxy;

/**

 * Presence contact list transactions.

 *

 * @since 3.0

 */

NONSHARABLE_CLASS( CPEngContactListTransaction2Imp ): public CBase,

        public MPEngAsyncOperationOwner

    {

public: /* Construction */

    /**

     * Instantiates CPEngContactListTransaction2Imp object.

     *

     * @return New CPEngContactListTransaction2Imp instance.

     */

    static CPEngContactListTransaction2Imp* NewL(

        CPEngContactListTransaction2& aInterface,

        TInt aPriority,

        const CPEngNWSessionSlotID2& aNWSessionSlotID );

    /**

     * Destructor.

     */

    ~CPEngContactListTransaction2Imp();

protected:

    /**

     * C++ constructor.

     */

    CPEngContactListTransaction2Imp(

        CPEngContactListTransaction2& aInterface,

        TInt aPriority );

    /**

     * Symbian OS constructor.

     */

    void ConstructL( const CPEngNWSessionSlotID2& aNWSessionSlotID );

public: /* Contact list implementation */

    TBool IsBaseSynchronizeContactListsActive() const;

    TInt BaseSynchronizeContactLists( MPEngContactListTransactionObserver2& aObserver,

                                      TBool aNeedToUnsubscribe );

    void CancelBaseSynchronizeContactLists();

    TBool IsContactListPubSyncActive() const;

    TInt SynchronizeContactLists( const MDesCArray& aContactListNames,

                                  MPEngContactListTransactionObserver2& aObserver );

    TInt PublishContactLists( const MDesCArray& aContactListNames,

                              MPEngContactListTransactionObserver2& aObserver );

    void CancelContactListPubSync();

private: //from MPEngAsyncOperationOwner

    /**

     * Notifies from async operation destruction.

     * @since 3.0

     * @param aOperation The dying operation.

     */

    void HandleAsyncOperationDestruction( CPEngAsyncOperation* aOperation );

private: //from helpers

    TInt DoContactListTransaction( const MDesCArray& aContactListNames,

                                   TBool aSynchronization,

                                   MPEngContactListTransactionObserver2& aObserver );

private: //Implementation

private: //Data

    //REF: Implemented interface

    CPEngContactListTransaction2& iInterface;

    //OWN: The priority

    TInt    iCActivePriority;

    //OWN:

    CPEngNWSessionSlotStorageProxy* iUsedSlot;

    //OWN: Contact list base sync op

    CPEngAsyncOperation*    iCntLstBaseSyncOp;

    //OWN: Contact list publish / synchronization op

    CPEngAsyncOperation*    iCntLstPublishSyncOp;

    // OWN: Server

    RPEngManagerClient          iTransactionServer;

    };

#endif  //CPENGCONTACTLISTTRANSACTION2IMP_H

// End of File