/** @file

* Copyright (c) 2005-2006 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:  Defines CUpnpMediaServerEventHandler class

*

*/

#ifndef C_CUPNPMEDIASERVEREVENTHANDLER_H

#define C_CUPNPMEDIASERVEREVENTHANDLER_H

// INCLUDES

#include "upnpmediaserverobserver.h"

#include "upnpcontentdirectoryeventobserver.h"

#include <e32base.h>

// FORWARD DECLARATIONS

class CUpnpObject;

class CUpnpItemList;

class CUpnpBrowseCriteria;

class CUpnpMediaServerEventHandler;

class CUpnpMediaServer;

class CUpnpFileTransferEventList;

class MUpnpContentDirectoryEventObserver;

// CLASS DECLARATION

class CUpnpMediaServerEventHandler: public CBase, MUpnpContentDirectoryEventObserver

{

public:    

    /*

    * Create a CUpnpMediaServerSession object using two phase construction,

    * and return a pointer to the created object

    * @result pointer to new session

    */

    static CUpnpMediaServerEventHandler* NewL(CUpnpMediaServer* aServer);

    /**

    * Create a CUpnpMediaServerSession object using two phase construction,

    * and return a pointer to the created object

    * @result pointer to new session

    */

    static CUpnpMediaServerEventHandler* NewLC(CUpnpMediaServer* aServer);

    /**

    * Perform the second phase construction of a CUpnpMediaServerSession object

    */

    void ConstructL() ;

    /**

    * Destroy the object and release all memory objects

    */

    virtual ~CUpnpMediaServerEventHandler();

    /**

    * Destroy the object and release all memory objects

    */

    void EventMediaServerSubscribeEvents( const RMessage2& aMessage );

    /**

    * Destroy the object and release all memory objects

    */

    void EventMediaServerUnsubscribeEvents( const RMessage2& aMessage );

    /**

    * Destroy the object and release all memory objects

    */

    void EventMediaServerServerListenTransferEventL( const RMessage2& aMessage );

    /**

    * Destroy the object and release all memory objects

    */

    void EventMediaServerGetTransferEventBodyL( const RMessage2& aMessage );

    /**

    * Destroy the object and release all memory objects

    */

    virtual void FileTransferEvent(CUpnpFileTransferEvent *aEvent);

private:

    /**

    * Destroy the object and release all memory objects

    */

    void ServeEventL(CUpnpFileTransferEvent *aEvent); 

    /**

    * Serialize events queue and sends buffer length to client

    */

    void ListenTransferEventCompleteL();

    /**

    * Destroy the object and release all memory objects

    */

    CUpnpMediaServerEventHandler(CUpnpMediaServer* aServer);

private:

    //Media server

    CUpnpMediaServer*   iMediaServer;

    //reponse length 

    TInt                iRespLength;

    //package for reponse length 

    TPckg<TInt>         iRespLengthPkg; 

    //buffer for response 

    HBufC8*             iResponseBuffer;

    //last asynchronous message handle

    RMessage2 iCurrentMessage;

    //event queue 

    CUpnpFileTransferEventList* iFileTransferEventList;

    //indicates that there is listen request was issued  

    TBool iListenRequestPending;        

};

#endif // C_CUPNPMEDIASERVEREVENTHANDLER_H