/*

* 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:  Phonebook 2 delete contacts command.

*

*/

#ifndef CPBK2DELETECONTACTSCMD_H

#define CPBK2DELETECONTACTSCMD_H

// INCLUDES

#include <e32base.h>

#include <MPbk2Command.h>

#include <MVPbkSingleContactOperationObserver.h>

#include <MVPbkBatchOperationObserver.h>

#include <MVPbkContactFindObserver.h>

#include "MPbk2ProcessDecorator.h"

// FORWARD DECLARATIONS

class CVPbkContactManager;

class CAknProgressDialog;

class CEikProgressInfo;

class MPbk2ContactUiControl;

class MVPbkContactLink;

class MVPbkContactLinkArray;

class MVPbkStoreContact;

class MPbk2ContactNameFormatter;

class CVPbkContactLinkArray;

class MPbk2ContactLinkIterator;

class CPbk2ApplicationServices;

// CLASS DECLARATION

/**

 * Phonebook 2 delete contacts command.

 */

NONSHARABLE_CLASS(CPbk2DeleteContactsCmd) :

        public CActive,

        public MPbk2Command,

        public MVPbkSingleContactOperationObserver,

        public MVPbkBatchOperationObserver,

        public MPbk2ProcessDecoratorObserver

    {

    public: // Construction and destruction

        /**

         * Creates a new instance of this class.

         *

         * @param aUiControl    UI control.

         * @return  A new instance of this class.

         */

        static CPbk2DeleteContactsCmd* NewL(

                MPbk2ContactUiControl& aUiControl );

        /**

         * Destructor.

         */

        ~CPbk2DeleteContactsCmd();

    public: // From MPbk2Command

        void ExecuteLD();

        void AddObserver( MPbk2CommandObserver& aObserver );

        void ResetUiControl(MPbk2ContactUiControl& aUiControl);

    private: // From CActive

        void DoCancel();

        void RunL();

        TInt RunError( TInt aError );

    private: // From MVPbkSingleContactOperationObserver

        void VPbkSingleContactOperationComplete(

                MVPbkContactOperationBase& aOperation,

                MVPbkStoreContact* aContact );

        void VPbkSingleContactOperationFailed(

                MVPbkContactOperationBase& aOperation, TInt aError );

    private: // From MVPbkBatchOperationObserver

        void StepComplete( MVPbkContactOperationBase& aOperation,

                TInt aStepSize );

        TBool StepFailed( MVPbkContactOperationBase& aOperation,

                TInt aStepSize, TInt aError );

        void OperationComplete( MVPbkContactOperationBase& aOperation );

    private: // From MPbk2ProcessDecoratorObserver

        void ProcessDismissed( TInt aCancelCode );

    private: // Data structures

        /// Process states

        enum TProcessState

            {

            ERetrieving,

            EConfirming,

            EStarting,

            EDeleting,

            EStopping,

            ECanceling

            };

    private: // Implementation

        CPbk2DeleteContactsCmd( MPbk2ContactUiControl& aUiControl );

        void ConstructL();

        void RetrieveContactL( const MVPbkContactLink& aContactLink );

        void DoDeleteContactsL();

        TInt FilterErrors( TInt aErrorCode );

        void IssueRequest();

        void IssueStopRequest( TProcessState aState );

        void ConfirmDeletionL();

        TInt GetContactCountL();

        TBool IsFromReadOnlyStore(

                const MVPbkContactLink& aContactLink ) const;

    private: // Data

        /// Ref: UI control

        MPbk2ContactUiControl* iUiControl;

        /// Own: Decorator for the process

        MPbk2ProcessDecorator* iDecorator;

        /// Own: Contacts to delete

        MVPbkContactLinkArray* iContactLinkArray;

        /// Own: Retrieve operation

        MVPbkContactOperationBase* iRetrieveOperation;

        /// Own: Delete operation

        MVPbkContactOperationBase* iDeleteOperation;

        /// Own: List contacts operation

        MVPbkContactOperationBase* iListContactsOperation;

        /// Own: The store contact to delete

        MVPbkStoreContact* iStoreContact;

        /// Ref: Command observer

        MPbk2CommandObserver* iCommandObserver;

        /// Own: Current state of process

        TProcessState iState;

        /// Own: Contact to be deleted in next cycle

        CVPbkContactLinkArray* iContactsToDelete;

        /// Own: Count of contacts to be deleted

        TInt iContactCount;

        /// Own: Contact link iterator

        MPbk2ContactLinkIterator* iContactIterator;

        /// Own: Application Services pointer

        CPbk2ApplicationServices* iAppServices;

    };

#endif // CPBK2DELETECONTACTSCMD_H

// End of File