/*

* Copyright (c) 2008-2009 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:    MMC Notifier

*

*/

#ifndef GLXMMCNOTIFIER_H_

#define GLXMMCNOTIFIER_H_

#include <f32file.h>  

//observer class to notify events

class MStorageNotifierObserver

    {

public:

    virtual void HandleMMCInsertionL() =0;

    virtual void HandleMMCRemovalL() =0;

    };

/**

 * states for MMC card

 */

enum TGlxMMCState

    {

    EMMCStateReset,

    EMMCStateInsert

    };

/**

 * class declaration

 */

class CGlxMMCNotifier : public CActive   

    {  

public: 

    /**

     * Two-phased constructor.

     */

    IMPORT_C static CGlxMMCNotifier* NewL(MStorageNotifierObserver& aNotify);

    /**

     * Two-phased constructor.

     */

    static CGlxMMCNotifier* NewLC(MStorageNotifierObserver& aNotify);    

    /**

     * Destructor

     */

    ~CGlxMMCNotifier ();  

private:

    /**

     * Default constructor

     */

    CGlxMMCNotifier (MStorageNotifierObserver& aNotify);    

    /**

     * By default Symbian 2nd phase constructor is private.

     */

    void ConstructL(); 

private:

    /**

     * active object's default implelemtaions

     */    

    void RunL();    

    void DoCancel();      

    /**

     * IssueRequest 

     */

    void IssueRequest();   

private:    

    /**

     * file session

     */

    RFs  iFs;

    /**

     * reference of observer

     */

    MStorageNotifierObserver& iNotify;

    /**

     * MMC state

     */

    TGlxMMCState istate;

    };

#endif /* GLXMMCNOTIFIER_H_ */