/*

* Copyright (c) 2006 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 "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:    Http download callback interface*

*/

#ifndef __MIPTVDOWNLOADOBSERVER_H

#define __MIPTVDOWNLOADOBSERVER_H

/**

*	Class to provide method(s) to deliver status information from download

*	object to the class that requested download action.

*/

class MIptvDownloadObserver

	{

	public:

	/**

	*	Method that gets called when download is finished. aError defines

	*	if download action was successful or no.

	*	@param	aError	KErrNone if successful, otherwise symbian wide error code

	*	@return	None;

	*/

	virtual void DownloadFinished( TInt aError ) = 0;

	/**

	*	Setter for modified since and ETag values received in http response

	*	header. Those values can be stored by observer to be used in next

	*	download request to avoid unnecessary downloads.

	*	@param	aModifiedSince	Last modified time value parsed from http

	*							response header

	*	@param	aETag			ETag value parsed from received http response

	*							header.

	*	@return	None

	*/

	virtual void SetModifiedSinceAndETag( const TDesC& aModifiedSince,

										  const TDesC& aETag ) = 0;

	};

#endif // __MIPTVDOWNLOADOBSERVER_H