/*

* Copyright (c) 2005-2009 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:

* Name          : SipRequestHandlerBase.h

* Part of       : SIP Request Handler

* Version       : SIP/4.0 

*

*/

/**

 @internalComponent

*/

#ifndef CSIPREQUESTHANDLERBASE_H

#define CSIPREQUESTHANDLERBASE_H

#include <e32base.h>

#include <ecom/ecom.h>

class CSIPRequest;

class MSIPRequestHandlerObserver;

const TUid KSIPRequestHandlerIFUid = { 0x101fed86 };

class CSIPRequestHandlerBase : public CBase

    {

	public: // Constructors and destructor

		/**

		* Destructor.

		*/

		virtual inline ~CSIPRequestHandlerBase();

    public: // New functions

		/**

		* Registers handled client

		* @param aChannel the communication channel UID of the connected client

		*/

		virtual void RegisterL(TUid aChannel) = 0;

		/**

		* Deregisters handled client

		* @param aChannel the communication channel UID of the connected client

		* @return KErrNone if successful, KErrNotFound if not found

		*/

		virtual TInt Deregister(TUid aChannel) = 0;

		/**

		* Request to provide the communication channel for the SIP request

		* received outside the SIP dialog

		* @param aSIPRequest SIP request

		* @return a request ID

		*/

		virtual TUint32 ChannelL(CSIPRequest& aSIPRequest) = 0;

		/**

		* Cancels a particular outstanding request

		* @param aRequestId a request ID to be canceled

		*/

		virtual void Cancel(TUint32 aRequestId) = 0;

	public: // Data

		/// Unique key for implementations of this interface.

		TUid iInstanceKey;

    protected: // Constructors:

        inline CSIPRequestHandlerBase(MSIPRequestHandlerObserver& aObserver);

    protected: // Data

    	MSIPRequestHandlerObserver& iObserver;

    };

#include "SipRequestHandlerBase.inl"

#endif // CSIPREQUESTHANDLERBASE_H