/*

 * Copyright (c) 2010 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: calender db create notification .

 *

 */

#ifndef CALENDERNOTIFICATION_H_

#define CALENDERNOTIFICATION_H_

// INCLUDES

#include <e32base.h>

#include <f32file.h>

/**  

 * The observer class gives notification to derive class .

 * When calender db creates in specific path.

 */

class MNotifyChange

{

public:

    virtual void NotifyChangeL(TInt &aStatus)=0;

};

class CCalenderNotification : public CActive

{

public:

    /** 

     * CCalenderNotification::NewL()

     */

    static CCalenderNotification* NewL(MNotifyChange* aNotifyChange);

    /** 

     * CCalenderNotification::NewL()

     */

    static CCalenderNotification* NewLC(MNotifyChange* aNotifyChange);

    /**

     * ~CCalenderNotification.

     * Virtual Destructor.

     */

    virtual ~ CCalenderNotification();

private:

    /**

     * ConstructL.

     * 2nd phase constructor.

     */

    void ConstructL(MNotifyChange* aNotifyChange);

    /**

     * CMyLocationsEngine.

     * C++ default constructor. 

     */

    CCalenderNotification(MNotifyChange* aNotifyChange);

public:

    /**

     * CheckCalenderDbFileStructure.

     * Observes the calendar db file structure changes. 

     */

    void CheckCalenderDbFileStructure( TChar aDrive );

    /**

     *  Handles active object's request completion event. 

     */

    void RunL();

    /** 

     * Implements cancellation of an outstanding request. 

     */

    void DoCancel();

private:

    //data member

    //file server 

    RFs iFsession;

    //observer to provide notification on completion of event

    MNotifyChange& iNotifyChange;

};

#endif /* CALENDERNOTIFICATION_H_ */