/** @file

* Copyright (c) 2007 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:  Declares the CUpnpRootContentHandler class

*

*/

#ifndef __UPNPROOTCONTENTHANDLER_H__

#define __UPNPROOTCONTENTHANDLER_H__

#include <babitflags.h>

#include "upnpcontenthandler.h"

/**

*  This class handles root tag of xml device descriptions

*  It extends CUpnpContentHandler class, thus it is subsequent implementation of MContentHandler interface

*  It is designed to be used by upnp controler that delegates to it events from xml sax parser

*

*  @since Series60 2.6

*/

class CUpnpDevice;

using namespace Xml;

NONSHARABLE_CLASS( CUpnpRootContentHandler ) : public CUpnpContentHandler

{

protected: 

    enum TState

        { 

        EInitial,

        EURLBase

        //ESpecVersion not used now

        };

public:

    /**

    * Two-phased constructor

    * @since Series60 3.2 

    * @return instance of CUpnpRootContentHandler class

    */  

    static CUpnpRootContentHandler* NewL(

            CUpnpContentHandlersController& aController, CUpnpDevice& aResultDevice,

            TParseType aParseType );

    /**

    * Two-phased constructor. Leaves the object on CleanupStack

    * @since Series60 3.2 

    * @return instance of CUpnpRootContentHandler class

    */  

    static CUpnpRootContentHandler* NewLC( 

            CUpnpContentHandlersController& aController, CUpnpDevice& aResultDevice,

            TParseType aParseType );

    /**

    * Destructor of CUpnpRootContentHandler class

    * @since Series60 3.2     

    */	

    virtual ~CUpnpRootContentHandler();

public:	// from MContentHandler

    /**

    * This method is a callback to indicate an element has been parsed.

    * @param				aElement is a handle to the element's details.

    * @param				aAttributes contains the attributes for the element.

    */

    virtual void OnStartElementL( const RTagInfo& aElement, 

    							  const RAttributeArray& aAttributes );

    /**

    * This method is a callback to indicate the end of the element has been reached.

    * @param              aElement is a handle to the element's details.

    */

    virtual void OnEndElementL( const RTagInfo& aElement );

    /**

    * This method is a callback that sends the content of the element.

    * aErrorCode should be KErrNone, and that aBytes should contains complete

    * content (one chunk).

    * @param              aBytes is the raw content data for the element in one chunk

    */

     virtual void OnContentL( const TDesC8& aBytes ); 

protected:

    /**

    * Default C++ constructor 

    * @since Series60 3.2     

    */  

    CUpnpRootContentHandler( CUpnpContentHandlersController& aController, 

        CUpnpDevice& aResultDevice, TParseType aParseType );

private:

    CUpnpDevice& iResultDevice;

    TState iCurrentState;

    TBitFlags8 iFoundTags;

    TParseType iParseType;

};

#endif //__UPNPROOTCONTENTHANDLER_H__