/*

* Copyright (c) 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:  New memory selection setting item to support multiple drives.

*

*/

#ifndef CAKNCFDFILESYSTEMEVENT_H_

#define CAKNCFDFILESYSTEMEVENT_H_

// INCLUDES

#include <e32base.h>

#include <f32file.h>

// FORWARD DECLARATIONS

class MAknCFDFileSystemObserver;

// CLASS DECLARATION

/**

*  This class listens file system events

*

*  @lib CommonDialogs.lib

*  @since s60 5.0

*/

NONSHARABLE_CLASS(CAknCFDFileSystemEvent) : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CAknCFDFileSystemEvent* NewL( RFs& aFs, 

        		MAknCFDFileSystemObserver& aObserver,

                TNotifyType aNotifyType, 

                const TDesC& aFullPath = KNullDesC );

        /**

        * Destructor.

        */

        virtual ~CAknCFDFileSystemEvent();

    public:

        /**

        * Sets file system event

        * @since s60 5.0

        */

        void Setup();

        /**

        * This calls refresh if file system event has happened

        * @since s60 5.0

        */

        void CheckFileSystemEvent();

    protected:  // Functions from base classes

        /**

        * From CActive Called when asynchronous request has completed

        * @since s60 5.0

        */

        void RunL();

        /**

        * From CActive Called when asynchronous request has failed

        * @since s60 5.0

        */

        TInt RunError( TInt aError );

        /**

        * From CActive Called when asynchronous request was cancelled

        * @since s60 5.0

        */

        void DoCancel();

    private:

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL( const TDesC& aFullPath );

        /**

        * C++ default constructor.

        */

        CAknCFDFileSystemEvent(

                RFs& aFs, 

                MAknCFDFileSystemObserver& aObserver,

                TNotifyType aNotifyType );

    private:

        // Ref: Reference to opened File System session

        RFs& iFs;

        // Ref: This object is called when RunL occurs

        MAknCFDFileSystemObserver& iObserver;

        // Type of the notify, entry or disk.

        TNotifyType iNotifyType;

        // Full path of folder from where notification is needed

        HBufC* iFullPath;

        // Indicates if the event has been received

        TBool iIsReceived;

    };

#endif /*CAKNCFDFILESYSTEMEVENT_H_*/