/*

* 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:

*

*/

/**

 @file

 @internalComponent

*/

#ifndef MSMMNODEBASE_H

#define MSMMNODEBASE_H

#include <e32base.h>

#include "msmm_pub_def.h"

#ifdef __OVER_DUMMYCOMPONENT__

#include <usb/hostms/dummycomponent/rusbhostmsdevice.h>

#else

#include <rusbhostmsdevice.h> // For RUsbHostMsDevice

#endif

class TMsmmNodeBase

    {    

public:

	TMsmmNodeBase(TInt aIdentifier);

    virtual ~TMsmmNodeBase();

    void AddChild(TMsmmNodeBase* aChild);

    TMsmmNodeBase* SearchInChildren(TInt aIdentifier);

private:

    void DestroyNode();

private:

    TInt    iIdentifier;

protected:

    /**

     A pointer to the next peer of this entry, or NULL.

     */

    TMsmmNodeBase* iNextPeer;

    /**

     A pointer to the first child of this entry, or NULL.

     */

    TMsmmNodeBase* iFirstChild;

    /**

     A pointer to the last child of this entry, or NULL.

     */

    TMsmmNodeBase* iLastChild;

    /**

     A pointer to the parent to this entry, or NULL.

     */

    TMsmmNodeBase* iParent;

    };

class TUsbMsInterface;

// The USB MS device node class

NONSHARABLE_CLASS(TUsbMsDevice) : public TMsmmNodeBase

    {

public:

    TUsbMsDevice(const TUSBMSDeviceDescription& aDevice);

    inline TUsbMsInterface* FirstChild() const;

public:

    TUSBMSDeviceDescription iDevice;

    };

class TUsbMsLogicalUnit;

// The USB MS interface node class

NONSHARABLE_CLASS(TUsbMsInterface) : public TMsmmNodeBase

    {

public:

    TUsbMsInterface(TUint8 aInterfaceNumber, 

            TUint32 aInterfaceToken);

    ~TUsbMsInterface();

    inline TUsbMsInterface* NextPeer() const;

    inline TUsbMsLogicalUnit* FirstChild() const;

public:

    TUint8 iInterfaceNumber;

    TUint32 iInterfaceToken;

    RUsbHostMsDevice iUsbMsDevice;

    };

// The USB MS logical unit node class

NONSHARABLE_CLASS(TUsbMsLogicalUnit) : public TMsmmNodeBase

    {

public:

    TUsbMsLogicalUnit(TUint8 aLogicalUnitNumber, 

            TText aDrive);

    inline TUsbMsLogicalUnit* NextPeer() const;

    inline TUsbMsInterface* Parent() const;

public:

    TUint8 iLogicalUnitNumber; // Logic Unit Number

    TText iDrive;

    };

inline TUsbMsInterface* TUsbMsDevice::FirstChild() const

    {return static_cast<TUsbMsInterface*>(iFirstChild);}

inline TUsbMsLogicalUnit* TUsbMsInterface::FirstChild() const

    {return static_cast<TUsbMsLogicalUnit*>(iFirstChild);}

inline TUsbMsInterface* TUsbMsInterface::NextPeer() const

    {return static_cast<TUsbMsInterface*>(iNextPeer);}

inline TUsbMsLogicalUnit* TUsbMsLogicalUnit::NextPeer() const

    {return static_cast<TUsbMsLogicalUnit*>(iNextPeer);}

inline TUsbMsInterface* TUsbMsLogicalUnit::Parent() const

    {return static_cast<TUsbMsInterface*>(iParent);}

#endif /*MSMMNODEBASE_H*/