/*

* 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 MSG_SESSION_H

#define MSG_SESSION_H

#include <e32std.h>

#include "MsgTypes.h"

class CMessageListener;

class CMessageNotifier;

class CMessageSession : public RSessionBase

{

	friend class CMessageNotifier;

	/* Request status for notifying incoming messages. */

	CMessageNotifier *iIncomingNotify;

	CMessageListener *iListener;

	/* Message buffer for new messages. */

	HBufC8 *iMessageBuffer;

	TPtr8 *iMessagePtr;

	IMPORT_C void ConstructL();

	IMPORT_C CMessageSession();

public:

	IMPORT_C static CMessageSession *NewL();

	IMPORT_C static CMessageSession *NewLC();

	IMPORT_C ~CMessageSession();

	/* Attaches to server. */

	IMPORT_C void AttachL();

	/* Sends a message. */

	IMPORT_C void SendMessageL(const TPtr8 &aMessage, TMessageType aType);

	/* Listen messages of given type in a given port. One

	   session may listen to one port only. 

	   Message listener MUST be set before calling ListenMessageL(...). 

	   Only one type/port may be listened at a time. */

	IMPORT_C void ListenMessagesL(TMessageType aType, TUint aPort);

	/* Stops listening message. */

	IMPORT_C void StopListeningL();

	/* Sets the message listener. Listener's ReceiveMessageL(...)

	   is called, when a new message is received. */

	IMPORT_C void SetListener(CMessageListener *aListener);

	/* Returns ETrue, is session set to listening state. */

	IMPORT_C TBool IsListening() const;

	/* Returns ETrue, if file based SMS should be used.

	   Reads the settings from c:\system\data\wma.ini file.

	   File format:

		# Starts a comment line

		# Set UseSocketOutput=1 to use native sockets implementation,

		# UseSocketOutput=0 to use file based SMS messaging.

		UseSocketOutput=0								*/

	IMPORT_C static TBool UseFileSMS();

};

class CMessageListener

{

protected:

	IMPORT_C void ConstructL();

public:

	IMPORT_C static CMessageListener *NewL();

	IMPORT_C static CMessageListener *NewLC();

	IMPORT_C virtual ~CMessageListener();

	/* Called when a message is received. */

	IMPORT_C virtual void ReceiveMessageL(const TPtr8 &aMessage);

};

#endif /* MSG_SESSION_H */