/*

* Copyright (c) 2005-2006 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:  javaregmmcobserver definition

*

*/

#ifndef JAVAREGMMCOBSERVER_H

#define JAVAREGMMCOBSERVER_H

#include <f32file.h>

namespace Java

{

namespace Manager

{

namespace Registry

{

// FORWARD DECLARATIONS

class MMemoryCardObserver;

/**

 * CMmcObserver class registers to file server for receiving mmc status

 * change events and passes this events to the registered observer object.

 *

 * @since S60 v3.2

 */

class CMmcObserver : public CActive

{

public:

    /**

     * Creates new mmc observer object.

     *

     * @since S60 v3.2

     * @param aDrive drive number to watch

     * @param aObserver observer object

     * @param aFileServerSession file server session object

     */

    static CMmcObserver* NewL(TInt aDrive,

                              MMemoryCardObserver* aObserver,

                              RFs* aFileServerSession);

    /**

     * Creates new mmc observer object and leave it on cleanup stack

     *

     * @since S60 v3.2

     * @param aDrive drive number to watch

     * @param aObserver observer object

     * @param aFileServerSession file server session object

     */

    static CMmcObserver* NewLC(TInt aDrive,

                               MMemoryCardObserver* aObserver,

                               RFs* aFileServerSession);

    /**

     * Starts MMC event observing.

     *

     * @since S60 v3.2

     */

    void StartObserver();

    /**

     * Gets the id of the inserted mmc.

     *

     * @since S60 v3.2

     * @return the unique id of the inserted MMC or 0 if MMC not present

     */

    TUint MmcId();

public:     // from CActive

    /**

     * RunL

     */

    void RunL();

    /**

     * DoCancel

     */

    void DoCancel();

    /**

     * Destructor

     */

    ~CMmcObserver();

private:

    /**

     * ConstructL

     *

     * @since S60 v3.2

     * @param aObserver observer object

     * @param aFileServerSession file server session object

     */

    void ConstructL(MMemoryCardObserver* aObserver, RFs* aFileServerSession);

    /**

     * Constructor

     *

     * @since S60 v3.2

     * @param aDrive drive number to watch

     */

    CMmcObserver(TInt aDrive);

private:    //data

    // observer object

    MMemoryCardObserver* iObserver;

    // file server session object

    RFs* iFsSession;

    // drive number we are watching

    TInt iDrive;

    // notification path

    TPath iNotificationPath;

};

}//namespace Registry

}//namespace Manager

}//namespace Java

#endif // JAVAREGMMCOBSERVER_H

// End of File