/*

* Copyright (c) 2003-2007 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:  Implements a watcher for MMC disk change events

 *

*/

#ifndef __SYSAPMMCOBSERVER_H__

#define __SYSAPMMCOBSERVER_H__

// INCLUDES

#include "SysAp.hrh"

#ifndef RD_MULTIPLE_DRIVE

class MSysApMemoryCardObserver

{

public:

    /**

     * Implement this method to be notified when MMC status

     * changes.

     */

    virtual void MMCStatusChangedL() = 0;

};

class CSysApMMCObserver : public CActive

{

public:

    static CSysApMMCObserver* NewL( MSysApMemoryCardObserver* aObserver, RFs* aFileServerSession, TBool aHotSwapSupported );

    void RunL();

    void DoCancel();

    void StartMountObserver();

    ~CSysApMMCObserver();

public:

    /**

     * Returns the status of the memory card

     */

    TSysApMemoryCardStatus MemoryCardStatus();

private:

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

    CSysApMMCObserver( TBool aHotSwapSupported );

    MSysApMemoryCardObserver* iObserver;

    RFs*                      iFsSession;

    CAsyncCallBack*           iAsyncCallBack;

    TBool                     iHotSwapSupported;

};

#else // RD_MULTIPLE_DRIVE

#include <disknotifyhandler.h>

// FORWARD DECLARATIONS

class CSysApDriveList;

class MSysApMemoryCardObserver

    {

public:

    /**

     * Implement this method to be notified when MMC status

     * changes.

     */

    virtual void MMCStatusChangedL( TInt aDrive  ) = 0;

    };

// CLASS DECLARATION

class CSysApMMCObserver : public CBase,

                          public MDiskNotifyHandlerCallback

    {

public:

    /**

     * Two-phased constructor.

     */

    static CSysApMMCObserver* NewL(

        RFs& aFs,

        CSysApDriveList& aSysApDriveList,

        MSysApMemoryCardObserver& aObserver,

        const TBool aHotSwapSupported );

    /**

     * Destructor

     */

    ~CSysApMMCObserver();

public: // New methods

    /**

     * Starts mount observer

     */

    void StartMountObserver();

private: // From MDiskNotifyHandlerCallback

    void HandleNotifyDisk( TInt aError, const TDiskEvent& aEvent );

private:

    /**

    * Constructors.

    */

    CSysApMMCObserver(

        RFs& aFs,

        CSysApDriveList& aSysApDriveList,

        MSysApMemoryCardObserver& aObserver,

        const TBool aHotSwapSupported );

    void ConstructL();

private: // Data

    // Reference to open file server session

    RFs& iFs;

    // Reference to the drive list

    CSysApDriveList& iSysApDriveList;

    // Reference to the observer

    MSysApMemoryCardObserver& iObserver;

    // Indicates if memory card hotswap is supported

    TBool iHotSwapSupported;

    // Pointer to disk notify handler. Own.

    CDiskNotifyHandler* iDiskNotifyHandler;

    };

#endif // RD_MULTIPLE_DRIVE

#endif // __SYSAPMMCOBSERVER_H__

// End of File