/*

* 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 "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

* which accompanies this distribution, and is available

* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* Name        : SipResolvedClient.h

* Part of     : SDK API, SIP Client Resolver API

* Version     : 1.0

*

*/

#ifndef CSIPRESOLVEDCLIENT_H

#define CSIPRESOLVEDCLIENT_H

// INCLUDES

#include <ecom/ecom.h>

#include <stringpool.h>

//FORWARD DECLARATIONS

class CSIPHeaderBase;

class CSIPContentTypeHeader;

// CONSTANTS

/** Interface UID of this ECOM interface*/

const TUid KSIPResolvedClientIFUid = { 0x102010dd };

// CLASS DEFINITION

/**

* @publishedAll

* @released

*

* Interface that clients must realize

* in order to enable client resolution mechanism upon the reception

* of SIP request outside the SIP dialog. Data provided in 

* the ECOM resource file or optionally requested from the interface implementation 

* will be used for target client determination by the SIP implementation.

* Note that channel UIDs must be unique accross all SIP clients e.g. clients may

* use UIDs assigned for binaries.

*/

class CSIPResolvedClient : public CBase

	{

	public:	// Destructor

		/**

		* Destructor

		*/

		virtual inline ~CSIPResolvedClient();

	public: // Abstract methods

		/**

		* Returns the SIP client's channel UID that indicates client's

		* channel UID for connection with SIP e.g. CSIP::NewL()

		* @param aMethod the method of the SIP request

        * @param aRequestUri the request-URI of the SIP request

        * @param aHeaders all the headers in the SIP request

        * @param aContent SIP request body; zero-length descriptor if not present

        * @param aContentType the content-type of the SIP request. 

        *        Zero-pointer if body is not present.

		* @return SIP client's communication channel's UID

		*/

		virtual TUid ChannelL(RStringF aMethod,

                              const TDesC8& aRequestUri,

                              const RPointerArray<CSIPHeaderBase>& aHeaders,

                              const TDesC8& aContent,

                              const CSIPContentTypeHeader* aContentType=0) = 0;

		/**

		* Requests the client to connect to SIP with resolved

		* UID in case there's no connection with resolved channel UID.

		* @param aUid previously resolved channel UID

		* @leave KErrNoMemory if out of memory

		* @leave KErrNotFound in case non-existing channel UID was provided

		*/

		virtual void ConnectL(TUid aUid) = 0;

		/**

		* Requests the implementation to provide capabilities in XML format

		* in case they were not defined in the ECOM resource file. The cabablities

		* to be returned must be defined according to the same DTD.

		* This function will be invoked only if the capabilities are not

		* defined in the ECOM resource file.

		*/

		virtual const TDesC8& Capabilities();

	public: // Data

		/// Unique key for implementations of this interface.

		TUid iInstanceKey;

	protected: // Constructors:

		inline CSIPResolvedClient();

	};

#include <sipresolvedclient.inl>

#endif // CSIPRESOLVEDCLIENT_H