/*

* Copyright (c) 2004 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: 

*

*/

#ifndef __TRKCOMMPORT_H__

#define __TRKCOMMPORT_H__

#include <e32base.h>

#include "TrkConnData.h"

//

// Macros

//

// these must be defined before including msgcmd.h

#define DS_PROTOCOL	DS_PROTOCOL_RTOS

#define DEBUG_MSGCMD 0

#include "msgcmd.h"

#define SafeDelete(x) { if (x) delete x; x = NULL; }

//

// class CInactivityTimerDisabler

//

// Active object used to avoid auto-switch off

//

class CInactivityTimerDisabler : public CActive

{

public:

	CInactivityTimerDisabler();

	void ConstructL();

	~CInactivityTimerDisabler();

	void Activate();

protected:

	void RunL();

	void DoCancel();

private:

	enum { KPeriod = 5 * 1000000 };

	RTimer iTimer;

};

//

//

// CInactivityTimerDisabler implementation

//

//

inline CInactivityTimerDisabler::CInactivityTimerDisabler()

	: CActive(EPriorityLow)

{

	CActiveScheduler::Add(this);

}

inline void CInactivityTimerDisabler::ConstructL()

{

	User::LeaveIfError(iTimer.CreateLocal());

}

inline CInactivityTimerDisabler::~CInactivityTimerDisabler()

{

	Cancel();

	iTimer.Close();

	Deque();

}

inline void CInactivityTimerDisabler::Activate()

{

	iTimer.After(iStatus, KPeriod);

	SetActive();

}

inline void CInactivityTimerDisabler::RunL()

{

	User::ResetInactivityTime();

	Activate();

}

inline void CInactivityTimerDisabler::DoCancel()

{

	iTimer.Cancel();

}

//

// Forward declarations

class CTrkFramingLayer;

//

// class CTrkCommPort

//

// Abstract base class for communications port

//

class CTrkCommPort : public CActive

{

public:

	virtual ~CTrkCommPort();

	virtual void OpenPortL() = 0;

	virtual void ClosePort() = 0;

	virtual void SendDataL(const TDesC8& aData) = 0;

	virtual void Listen(CTrkFramingLayer *aFramingLayer) = 0;

	virtual void StopListening() = 0;

	virtual TBool IsConnectionEstablished() { return iConnectionStatus == ETrkConnected; };

	virtual void GetConnectionInfo(TDes& aMessage) { aMessage = iConnectionMessage; };

	virtual void GetErrorInfo(TDes& aMessage) { aMessage = iErrorMessage; };

	virtual TTrkConnStatus GetConnectionStatus() { return iConnectionStatus; };

protected:

	CTrkCommPort(TInt aPriority, TTrkConnStatus aConnectionStatus);

	TBuf<KMaxPath> iConnectionMessage;

	TBuf<KMaxPath> iErrorMessage;

	TTrkConnStatus iConnectionStatus;

};

inline CTrkCommPort::CTrkCommPort(TInt aPriority,TTrkConnStatus aConnectionStatus=ETrkConnected)

	: CActive(aPriority),

	iConnectionStatus(aConnectionStatus)

{

}

inline CTrkCommPort::~CTrkCommPort()

{

}

#endif // __TRKCOMMPORT_H__