/*

* 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 search transactions.

*

*/

#ifndef CPENGSEARCHTRANSACTION2IMP_H

#define CPENGSEARCHTRANSACTION2IMP_H

//  INCLUDES

#include <E32Base.h>

#include <CPEngSearchTransaction2.h>

//FORWARD DECLARATIONS

class CPEngSearchTransaction2;

class CPEngNWSessionSlotID2;

class CPEngSearchControl;

class CPEngSearchCriteria2;

class CPEngNWSessionSlotStorageProxy;

/**

 * Presence attribute transactions.

 *

 * @since 3.0

 */

NONSHARABLE_CLASS( CPEngSearchTransaction2Imp ): public CBase

    {

public: /* Construction */

    /**

     * Instantiates CPEngSearchTransaction2Imp object.

     *

     * @return New CPEngSearchTransaction2Imp instance.

     */

    static CPEngSearchTransaction2Imp* NewL(

        CPEngSearchTransaction2& aInterface,

        TInt aPriority,

        const CPEngNWSessionSlotID2& aNWSessionSlotID );

    /**

     * Destructor.

     */

    ~CPEngSearchTransaction2Imp();

protected:

    /**

     * C++ constructor.

     */

    CPEngSearchTransaction2Imp( CPEngSearchTransaction2& aInterface,

                                TInt aPriority );

    /**

     * Symbian OS constructor.

     */

    void ConstructL( const CPEngNWSessionSlotID2& aNWSessionSlotID );

public: /* Seacrh transaction implementation */

    TBool IsSearchFromNetworkActive() const;

    TInt SearchFromNetwork( CPEngSearchCriteria2*& aCriteria,

                            TInt aSearchLimit,

                            MPEngSearchTransactionObserver2& aObserver );

    TInt SearchFromNetwork( RPointerArray< CPEngSearchCriteria2 >& aCriterias,

                            TInt aSearchLimit,

                            MPEngSearchTransactionObserver2& aObserver );

    TInt ContinueSearchFromNetwork( TInt aContinueIndex );

    TInt StopSearchFromNetwork();

    void HandleSearchDestruction( CPEngSearchControl* aSearch );

    CPEngSearchTransaction2& Interface();

private: //Helpers

private: //Implementation

private: //Data

    //REF: Implemented interface

    CPEngSearchTransaction2& iInterface;

    //OWN: The priority

    TInt    iCActivePriority;

    //OWN: Slot connection to bind to the storage.

    CPEngNWSessionSlotStorageProxy* iUsedSlot;

    //OWN: Cached slot id for search control

    CPEngNWSessionSlotID2* iUsedSlotId;

    //OWN: The search operation

    CPEngSearchControl*    iSearchCntrl;

    };

#endif  //CPENGSEARCHTRANSACTION2IMP_H

// End of File