/*

* Copyright (c) 2002-2006 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:  Settings deleter with progress note.

*

*/

#ifndef CWPCXDELETER_H

#define CWPCXDELETER_H

// INCLUDES

#include <aknprogressdialog.h>

#include <activeapdb.h>

#include <favouritesdbobserver.h>

#include <FavouritesDb.h>

// FORWARD DECLARATIONS

class CWPEngine;

class CActiveFavouritesDbNotifier;

// CLASS DECLARATION

/**

 * Helper class for deleting Provisioning settings.

 */

class CWPCxDeleter : public CActive, 

                     private MProgressDialogCallback, 

                     private MActiveApDbObserver, 

                     private MFavouritesDbObserver

    {

    public:

        /**

        * C++ default constructor.

        * @param aEngine Engine to be used for saving

        */

        CWPCxDeleter( CWPEngine& aEngine, TUint32 aContext );

        /**

        * Destructor.

        */

        ~CWPCxDeleter();

    public:

        /**

        * Prepares the object for saving.

        */

        void PrepareLC();

        /**

        * Executes save with a progress note. Ownership of the

        * CWPSaver object is transferred.

        * @param aNumDeleted When returns, contains number of settings saved.

        * @return Status code. >= 0 if saving was completed

        */

        TInt ExecuteLD( TInt& aNumDeleted );

    protected: // From CActive

        void DoCancel();

        void RunL();

        TInt RunError( TInt aError );

    private: // From MProgressDialogCallback

        void DialogDismissedL( TInt aButtonId );

    private: // from MActiveApDbObserver

        void HandleApDbEventL( TEvent anEvent );

    private: // from MFavouritesDbObserver

        void HandleFavouritesDbEventL( RDbNotifier::TEvent aEvent );

    private:

        /**

        * Complete the request so that RunL() gets called.

        */

        void CompleteRequest();

        /**

        * Complete the request so that Timeout() gets called after

        * a delay.

        */

        void DelayedCompleteRequestL();

        /**

        * Retry save now.

        */

        void Retry();

        /**

        * Timer timed-out.

        */

        static TInt Timeout(TAny* aSelf);

    private:

        // The engine used for performing the save. Refs.

        CWPEngine& iEngine;

        // The context being deleted

        TUint32 iContext;

        // The progress dialog. Owns.

        CAknProgressDialog* iDialog;

        // The item to be saved next

        TInt iCurrentItem;

        // Contains result to be passed to the called of ExecuteLD

        TInt iResult;

        // Active AP database

        CActiveApDb* iApDbNotifier;

        // Active Favourites Database

        CActiveFavouritesDbNotifier* iFavouritesNotifier;

        // Contains ETrue if commsdb is being waited on

        TBool iWaitCommsDb;

        // Contains ETrue if favourites db is being waited on

        TBool iWaitFavourites;

        // Active scheduler.

        CActiveSchedulerWait iWait;

        // Timer for retry

        CPeriodic* iRetryTimer;

        // Retry count

        TInt iRetryCount;

        RFavouritesDb       iBookmarkDb;

        RFavouritesSession  iSession;

    };

#endif // CWPCXDELETER_H

// End of File