// 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 the License "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:

//

/**

 @file

 @internalTechnology

*/

#ifndef CUSBHOSTMSDEVICE_H

#define CUSBHOSTMSDEVICE_H

#include "tlogicalunitlist.h"

class MTransport;

class CUsbMsIfaceSuspendResume;

class TLogicalUnitList;

class CUsbHostMsDevice : public CBase

	{

public:

	static CUsbHostMsDevice* NewL(THostMassStorageConfig& aConfig);

	~CUsbHostMsDevice();

	void InitialiseL(const RMessage2& aMessage);

    void UnInitialiseL();

	TInt AddLunL(TLun aLun);

	void RemoveLunL(TLun aLun);

	TLun GetAndSetLunL(const RMessage2& aMessage);

    CUsbHostMsLogicalUnit& GetLuL(TInt aLunNum) const;

	void SetLunL(TLun aLun);

	void SetMaxLun(TLun aMaxLun);

	TLun GetMaxLun() const;

	TBool IsReady() const;

	TBool IsSuspended() const;

	void InitLunL(TLun aLun);

	void SuspendLunL(TLun aLun);

	void Resume(TRequestStatus& aStatus);

	void ResumeLogicalUnitsL();

	void ResumeCompletedL();

	void DoHandleRemoteWakeupL();

	void DoLunReadyCheckEventL();

	void DoResumeLogicalUnitsL();

private:

    void ConstructL();

    CUsbHostMsDevice(THostMassStorageConfig& aConfig);

	MTransport* InitialiseTransportL(TTransportType aTransportId);

	void StartTimer();

	void StopTimer();

	static TInt TimerCallback(TAny* obj);

private:

    enum TDeviceState

        {

        EReady,

        ESuspended

        };

	MTransport* iTransport;

	TLun iMaxLun;

    TLogicalUnitList iLuList;

	THostMassStorageConfig iConfig;

	CUsbMsIfaceSuspendResume* iDeviceSuspendResume;

	TDeviceState iState;

    /** The polling interval time as set by the MM - passed as part of THostMassStorageConfig */

	TUint8 iStatusPollingInterval;

    /** An active object which triggers periodic check. */

	CPeriodic* iTimer;

    /** The Timer status */

    TBool iTimerRunning;

	};

inline TLun CUsbHostMsDevice::GetMaxLun() const

    {

    return iMaxLun;

    }

inline TBool CUsbHostMsDevice::IsReady() const

	{

	return (iState == EReady)? ETrue : EFalse;

	}

inline TBool CUsbHostMsDevice::IsSuspended() const

	{

	return (iState == ESuspended)? ETrue : EFalse;

	}

#endif // CUSBHOSTMSDEVICE_H