/*

* Copyright (c) 2005-2007 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:  An operation that deletes a contact from the (U)SIM using ETel

*                RMobilePhoneStore Delete

*

*/

#ifndef VPBKSIMSTOREIMPL_CDELETECMD_H

#define VPBKSIMSTOREIMPL_CDELETECMD_H

//  INCLUDES

#include "METelStoreNotificationObserver.h"

#include <MVPbkSimCommandObserver.h>

#include <MVPbkSimStoreOperation.h>

#include <e32base.h>

// FORWARD DECLARATIONS

class MVPbkSimContactObserver;

class RVPbkStreamedIntArray;

namespace VPbkSimStoreImpl {

// FORWARD DECLARATIONS

class CStoreBase;

// CLASS DECLARATION

/**

*  An operation that deletes a contact from the (U)SIM.

*

*/

NONSHARABLE_CLASS(CDeleteCmd) : public CActive,

                                public MVPbkSimStoreOperation,

                                private METelStoreNotificationObserver,

                                private MVPbkSimCommandObserver

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        *

        * @param aStore the store from which the contact is deleted

        * @param aSimIndex the index of the contact to be deleted

        * @param aObserver an observer to notify after command is done

        * @return a new instance of this class

        */

        static CDeleteCmd* NewL( CStoreBase& aStore, 

                                 RVPbkStreamedIntArray& aIndexArray,

                                 MVPbkSimContactObserver& aObserver );

        /**

        * Destructor.

        */

        virtual ~CDeleteCmd();

    public: // New functions    

        /**

        * Starts this operation

        */

        void Execute();

    public: // Functions from base classes

        /**

        * From CActive

        */

        void RunL();

        /**

        * From CActive

        */

        void DoCancel();

        /**

        * From CActive

        */

        TInt RunError( TInt aError );

    private:    // Functions from base classes

        /**

        * From METelStoreNotificationObserver

        */

        TBool ETelStoreChanged( TInt aSimIndex, TUint32 aEvents );

        /**

        * From METelStoreNotificationObserver

        */

        TBool ETelStoreChangeError( TInt aError );

        /**

        * From MVPbkSimCommandObserver

        */

        void CommandDone( MVPbkSimCommand& aCommand );

        /**

        * From MVPbkSimCommandObserver

        */

        void CommandError( MVPbkSimCommand& aCommand, TInt aError );

    private:    // Construction

        /**

        * C++ constructor.

        */

        CDeleteCmd( CStoreBase& aStore, 

                    MVPbkSimContactObserver& aObserver );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL( RVPbkStreamedIntArray& aIndexArray );

    private:    // New functions

        /// Starts deleting next contact or completes

        void DeleteNextL();

        /// Starts deleting contact in aSimIndex

        void DeleteNextL( TInt aSimIndex );

        /// Returns the index of next contact to delete

        TInt NextContactIndex();

        /// Completes the active object with aRequestResult

        void CompleteRequest( TInt aRequestResult );

        /// Called to complete this command

        void CompleteCommand();

        /// Handles error case

        void HandleError( TInt aError );

        /// Removes this instance from the ETel notification

        void RemoveNotificationObserver();

    private:    // Data

        /// the store from which the contact is deleted

        CStoreBase& iStore;

        /// sim indexes of the contacts to be deleted

        RArray<TInt> iIndexArray;

        /// the sim index that is deleted currently

        TInt iCurSimIndex;

        /// An observer for the error case

        MVPbkSimContactObserver& iObserver;

        /// Own: the update command to execute

        MVPbkSimCommand* iUpdateCommand;

    };

} // namespace VPbkSimStoreImpl

#endif      // VPBKSIMSTOREIMPL_CDELETECMD_H

// End of File