/*

* Copyright (c) 2002 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: 

*      Multiple contacts deletion command.

*

*/

#ifndef __CPbkDeleteContactsCmd_H__

#define __CPbkDeleteContactsCmd_H__

// INCLUDES

#include <e32base.h>

#include <cntdef.h>

#include <MPbkCommand.h>

#include <MPbkBackgroundProcess.h>

#include <SharedDataClient.h>   // RSharedDataClient

#include <AknProgressDialog.h>

// FORWARD DECLARATIONS

class CPbkContactEngine;

class CContactIdArray;

class CPbkContactViewListControl;

class CAknProgressDialog;

class CEikProgressInfo;

// CLASS DECLARATION

/**

 * Multiple contact deletion command.

 */

class CPbkDeleteContactsCmd :

        public CActive,

        public MPbkCommand,

        private MProgressDialogCallback

    {

    public: // Interface

        /**

         * Creates a new instance of this class.

         *

         * @param aEngine       reference to a contact engine.

         * @param aContacts     contacts to delete.

         * @param aUiControl    contact list UI control to update.

         * @return a new delete contacts command object.

         */

        static CPbkDeleteContactsCmd* NewL

            (CPbkContactEngine& aEngine,

            const CContactIdArray& aContacts,

            CPbkContactViewListControl& aUiControl);

        /**

         * Sets aSelfPtr to NULL when this object is destroyed.

         * @precond !aSelfPtr || *aSelfPtr==this

         */

        void ResetWhenDestroyed(CPbkDeleteContactsCmd** aSelfPtr);

        /**

         * Destructor.

         */

        ~CPbkDeleteContactsCmd();

    public:  // from MPbkCommand

        void ExecuteLD();

        void AddObserver(MPbkCommandObserver& aObserver);

    private: // from CActive

    	void DoCancel();

	    void RunL();

	    TInt RunError(TInt aError);

    private: // from MProgressDialogCallback

        void DialogDismissedL(TInt aButtonId);

    private:  // Implementation

        CPbkDeleteContactsCmd

            (CPbkContactEngine& aEngine, CPbkContactViewListControl& aUiControl);

        void ConstructL(const CContactIdArray& aContacts);

        void DeleteProgressNote();

        void IssueRequest();

        void FinishProcess();

        void DestroySelf();

        TBool MoreContactsToDelete() const;

        void CompressIfRequired();

        TInt64 FreeSpaceOnDbDrive() const;

    private:  // Data

        /// Ref: Phonebook engine

        CPbkContactEngine& iEngine;

        /// Ref: UI control

        CPbkContactViewListControl& iUiControl;

        /// Own: set to ETrue in destructor entry

        TBool iUnderDestruction;

        /// Own: ids of contacts to delete

        CContactIdArray* iContacts;

        /// Own: progress note dialog

        CAknProgressDialog* iProgressDialog;

        /// Own: Progress dialog info

        CEikProgressInfo* iProgressDlgInfo;

        /// Own: contact to focus after deletion

        TContactItemId iFocusId;

        /// Ref: pointer to pointer to reset in destructor

        CPbkDeleteContactsCmd** iSelfPtr;

        /// Own: count of contacts succesfully deleted

        TInt iDeletedCount;

        /// Own: shared data client

        RSharedDataClient iSharedDataClient;

        /// Own: maximum free space required to delete a contact from the DB

        TInt iFreeSpaceRequiredToDelete;

        /// Own: contact database drive

        TInt iDbDrive;

        /// Ref: command observer

        MPbkCommandObserver* iCommandObserver;

        /// Own: dialog dismissed flag

        TBool iDialogDismissed;

    };

#endif // __CPbkDeleteContactsCmd_H__

// End of File