// Copyright (c) 2006-2009 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 HCTLBCSPLINKSTATE_H

#define HCTLBCSPLINKSTATE_H

#include <e32base.h>

class TLinkState;

class CLinkEstablishment;

NONSHARABLE_CLASS(CLinkStateFactory) : public CBase

/**

Provides factory object for Link Establishment State Pattern

Holds states (see BCSP Spec.)

	EShy

	ECurious

	EGarrulous

*/

	{

public:

	friend class CLinkEstablishment;

	enum TBcspLinkState

		{

		EShy,

		ECurious,

		EGarrulous,

		MaxStates

		};

	const TLinkState& State(const TBcspLinkState aState) const;

	~CLinkStateFactory ();

private:

	static CLinkStateFactory* NewL(CLinkEstablishment& aLink);

	CLinkStateFactory();

	// Array of all the states

	TFixedArray<TLinkState*, MaxStates> iStates;

	};

NONSHARABLE_CLASS(TLinkState)

/**

Provides base class for BCSP Link States

*/

	{

public:

	TLinkState (CLinkStateFactory& aFactory, CLinkEstablishment& aLink); 

	virtual ~TLinkState();

	virtual void Entry() const;

	virtual void Exit() const;

	virtual void HandleLinkMsgSync() const;

	virtual void HandleLinkMsgSyncResp() const;

	virtual void HandleLinkMsgConf() const;

	virtual void HandleLinkMsgConfResp() const;

protected:

	CLinkStateFactory& iFactory;  // Get states

	CLinkEstablishment& iLink;

	};

NONSHARABLE_CLASS(TLinkStateShy) : public TLinkState

/**

TLinkStateShy

EShy state handling object

This class is not intended for derivation.

*/

	{

public:

	TLinkStateShy (CLinkStateFactory& aFactory, CLinkEstablishment& aLink); 

	~TLinkStateShy ();

	void Entry() const;

	void Exit() const;

	void HandleLinkMsgSync() const;

	void HandleLinkMsgSyncResp() const;

	void HandleLinkMsgConf() const;

	};

NONSHARABLE_CLASS(TLinkStateCurious) : public TLinkState

/**

TLinkStateCurious

ECurious state handling object

This class is not intended for derivation.

*/

	{

public:

	TLinkStateCurious (CLinkStateFactory& aFactory, CLinkEstablishment& aLink); 

	~TLinkStateCurious ();

	void Entry() const;

	void Exit() const;

	void HandleLinkMsgSync() const;

	void HandleLinkMsgConf() const;

	void HandleLinkMsgConfResp() const;

	void HandleLinkMsgSyncResp() const;

	};

NONSHARABLE_CLASS(TLinkStateGarrulous) : public TLinkState

/**

TLinkStateGarrulous

EGarrulous state handling object

This class is not intended for derivation.

*/

	{

public:

	TLinkStateGarrulous (CLinkStateFactory& aFactory, CLinkEstablishment& aLink); 

	~TLinkStateGarrulous ();

	void Entry() const;

	void Exit() const;

	void HandleLinkMsgSync() const;

	void HandleLinkMsgConf() const;

	void HandleLinkMsgConfResp() const;

	};

#endif // HCTLBCSPLINKSTATE_H