/*

* Copyright (c) 2005 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:  The top-level handler of Feeds.  It takes a buffer and uses an

*                appropriate feeds parser to create a Feed instance.

*

*/

#ifndef FEED_HANDLER_H

#define FEED_HANDLER_H

// INCLUDES

#include <e32base.h>

#include "FeedParser.h"

#include "LeakTracker.h"

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// CLASS DECLARATION

class CXmlUtils;

/**

*  The top-level handler of Feeds.  It takes a buffer and uses an

*  appropriate feeds parser to create a Feed instance.

*

*  \b Library: FeedsEngine.lib

*

*  @since 3.0

*  @attention WARNING!!! This class must be "Thread (ActiveObject) safe".  Meaning

*            that it must not contain any member variables that can't

*            be safely shared between all "threads" using it.

*/

class CFeedHandler: public CBase

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CFeedHandler* NewL(CXmlUtils& aXmlUtils);

        /**

        * Destructor.

        */        

        virtual ~CFeedHandler();

    public:  // New methods

        /**

        * Creates a Feed instance from the buffer.  This method

        * may modify aBuffer.

        *

        * @since 3.0

        * @param aBuffer A utf8 buffer.  -- TODO: pass be ref

        * @param aContentType The content-type.

        * @param aCharSet The char-encoding.

        * @return A Feed instance.

        */

        void ParseL(TDesC8& aBuffer, const TDesC& aContentType, 

                const TDesC& aCharSet, MFeedParserObserver& aObserver);

    private:

        /**

        * C++ default constructor.

        */

        CFeedHandler(CXmlUtils& aXmlUtils);

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:

        TLeakTracker  iLeakTracker;

        CXmlUtils&    iXmlUtils;

    };

#endif      // FEED_HANDLER_H

// End of File