/*

* Copyright (c) 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:  Header file for Stylus Tap indicator eject usb drives

*

*/

#ifndef MSMMDISMOUNTUSBDRIVES_H

#define MSMMDISMOUNTUSBDRIVES_H

#include <e32base.h> 

#ifdef __OVER_DUMMYCOMPONENT__

#include "usb/hostms/dummycomponent/dummyfsclient.h"

#else

#include <f32file.h> 

#endif

#include "msmm_pub_def.h"

class CDismountTimer;

class CMsmmPolicyPluginBase;

/**

 * Timer callback interface to indicate USB drive in use

 *

 * This class specifies the function to be called when a timeout occurs.

 * Used in conjunction with CDismountTimer class

 *  

 */    

class MTimerNotifier

    {

public:

    /**     

     * The function to be called when a timeout occurs.

     *     

     */

    virtual void TimerExpired() = 0;

    };

/**

 *  An Active Object class to request dismount of usb specific drives and notify the result to MSMM plugin 

 *

 */

NONSHARABLE_CLASS( CMsmmDismountUsbDrives ) : public CActive, 

                                            public MTimerNotifier

    {

public:

    virtual ~CMsmmDismountUsbDrives();

    static CMsmmDismountUsbDrives* NewL();

    static CMsmmDismountUsbDrives* NewLC();

public:

    /**

     * Send dismount notifications for all usb drives.

     */

    void DismountUsbDrives(CMsmmPolicyPluginBase& aPlugin, TUSBMSDeviceDescription& aDevice);

protected:

    CMsmmDismountUsbDrives();

    void ConstructL();

private:

    /**

     *  Send dismount notification via RFs

     */

    void DoDismount();

    /**

     * Callback to CMsmmPolicyPluginBase

     */

    void CompleteDismountRequest(const TInt aResult);

private: //from CActive    

    void RunL();

    void DoCancel();

private: // from MTimerNotifier

    /**

     * Dismount timer callback

     */     

    void TimerExpired();    

private:

    /**

     * Drive index

     */

    TInt iDriveIndex;

    /**

     * RFs session

     */

#ifdef __OVER_DUMMYCOMPONENT__

    RDummyFs  iRFs;

#else

    RFs  iRFs;

#endif

    /**

     * List of drives

     */

    TDriveList iDriveList;    

    /**

     * Dismount timer

     * Own

     */

    CDismountTimer* iDismountTimer;

    /**

     * Callback API for dismount result

     * Do not own

     */

    CMsmmPolicyPluginBase* iPlugin;

    /**

     * Device specific details, manufacturer and productid 

     */

    TPckgBuf<TUSBMSDeviceDescription> iDevicePkgInfo;

    };

/**

 * Timer interface for dismount request

 *

 * This class will notify an object after a specified timeout.

 * 

 */        

class CDismountTimer : public CTimer

    {

public:

    static CDismountTimer* NewL( MTimerNotifier* aTimeOutNotify );

    static CDismountTimer* NewLC( MTimerNotifier* aTimeOutNotify);

    virtual ~CDismountTimer();

    void CancelTimer();

    void StartTimer();

protected: 

    /**

     * From CTimer

     * Invoked when a timeout occurs

     *      

     */

    virtual void RunL();

private:

    CDismountTimer( MTimerNotifier* aTimeOutNotify );

    void ConstructL();

private: // Member variables

    /**

     *  The observer for this objects events 

     *  Not own.

     */

    MTimerNotifier* iNotify;

    };

#endif      // MSMMDISMOUNTUSBDRIVES_H