// Copyright (c) 2004-2009 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:

//

#ifndef __TSTATE_H__

#define __TSTATE_H__

#include "usbmsshared.h"

#include "cpropertywatch.h"

class TState

{

public:

    TState(int id) : stateId(id) {}

    virtual ~TState() {}

    virtual void MoveTo(int aStateId) const = 0;

    TInt GetStateId() const {return stateId;}

private:

    const TInt stateId;

};

//////////////////////////////////////////////////////////////

class TDisconnected : public TState

{

public:

    TDisconnected() : TState(EUsbMsDriveState_Disconnected){}

    ~TDisconnected(){}

    void MoveTo(TInt aStateId) const;

private:

    void MoveToConnecting() const;

    void MoveToConnected() const;

};

//////////////////////////////////////////////////////////////

class TConnecting : public TState

{

public:

    TConnecting() : TState(EUsbMsDriveState_Connecting){}

    ~TConnecting(){}

    void MoveTo(TInt aStateId) const;

private:

    void MoveToWritten() const;

};

//////////////////////////////////////////////////////////////

class TConnected : public TState

{

public:

    TConnected() : TState(EUsbMsDriveState_Connected){}

    ~TConnected(){}

    void MoveTo(TInt aStateId) const;

private:

    void MoveToActive() const;

};

//////////////////////////////////////////////////////////////

class TDisconnecting : public TState

{

public:

    TDisconnecting() : TState(EUsbMsDriveState_Disconnecting){}

    ~TDisconnecting(){}

    void MoveTo(TInt aStateId) const;

private:

    void MoveToDisconnected() const;

};

//////////////////////////////////////////////////////////////

class TActive : public TState

{

public:

    TActive() : TState(EUsbMsDriveState_Active){}

    ~TActive(){}

    void MoveTo(TInt aStateId) const;

private:

    void MoveToLocked() const;

    void MoveToDisconnecting() const;

};

//////////////////////////////////////////////////////////////

class TLocked : public TState

{

public:

    TLocked() : TState(EUsbMsDriveState_Locked){}

    ~TLocked(){}

    void MoveTo(TInt aStateId) const;

private:

    void MoveToDisconnecting() const;

};

//////////////////////////////////////////////////////////////

class TWritten : public TState

{

public:

    TWritten() : TState(EUsbMsState_Written){}

    ~TWritten(){}

    void MoveTo(TInt aStateId) const;

private:

    void MoveToRead() const;

};

//////////////////////////////////////////////////////////////

class TRead : public TState

{

public:

    TRead() : TState(EUsbMsState_Read){}

    ~TRead(){}

    void MoveTo(TInt aStateId) const;

private:

    void MoveToDisconnected() const;

};

#endif // __TSTATE_H__