// Copyright (c) 2008-2009 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:

//

#ifndef __CPNPSERVICEDISCOVERYBASE_H__

#define __CPNPSERVICEDISCOVERYBASE_H__

#include <pnp/pnp.h>

class RPnPParameterBundle;

class CControlChannelBase;

/** This class acts as an abstract base class which technology specific information need to implement

    @publishedPartner

    @prototype

 */

class CPnPServiceDiscoveryBase : public CBase

	{

public:

	/** Static factory method */

	static CPnPServiceDiscoveryBase* NewL( TUint aTierId ); 	

    /**

	Default Destructor

	*/ 

	IMPORT_C virtual ~CPnPServiceDiscoveryBase();

	/** Second phase constructor */

	virtual TInt Construct( TUint aTierId) = 0;

	/**

	Issues a discovery request. The technology specific discovery information is packed

	in aServiceInfo parameter.

	@param aServiceInfo Parameter bundle contains the discovery information.

	*/	

	virtual void Discover ( const RPnPParameterBundle& aServiceInfo ) = 0;

	/**

	Retrieves the description of the service. The technology specific description information is packed

	in aServiceInfo parameter.

	@param Parameter bundle contains the information about the service.

	*/

	virtual void Describe ( const RPnPParameterBundle& aServiceInfo ) = 0;

	/**

	Subscribes for event notifications to the service .

	The technology specific description information is packed in aServiceInfo parameter.

	@param Parameter bundle contains the information about the service.	

	*/

	virtual void Subscribe ( const RPnPParameterBundle& aServiceInfo ) = 0;

	/**

	Registers for events of service. The technology specific registration information

	is packed in aServiceInfo.

	@param Parameter bundle contains the register information.

	*/

	virtual void RegisterNotify ( const RPnPParameterBundle& aServiceInfo ) = 0;

	/**

	Issues a cancel request.

	@param Parameter bundle contains the cancel request.

	*/

	virtual void Cancel ( const RPnPParameterBundle& aServiceInfo ) = 0;

	/**

	It enables to send and receive messages.

	*/

	virtual CControlChannelBase* InitiateControlL ( const TDesC8& aUri ) = 0;

protected:  

    /**

	Default constructor

	*/

	IMPORT_C CPnPServiceDiscoveryBase();

private:

	TUid iEcomDtorID;

	};

#endif //__CPNPSERVICEDISCOVERYBASE_H__