/*

* 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 "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 CMCECOMAVSINK_H

#define CMCECOMAVSINK_H

#include <e32std.h>  

#include "mcecommediasink.h"

#include "mcecomendpointproxy.h"

/**

 * 

 *

 * @lib 

 */

NONSHARABLE_CLASS( CMceComAvSink ) : public CMceComMediaSink,

                                     public MMceComEndPointProxy

	{

public: // Constructors and destructor

    /**

    * Constructor

    */

    static CMceComAvSink* NewL();

    /**

    * Constructor

    */

    static CMceComAvSink* NewLC();

    /**

    * Destructor.

    */

	~CMceComAvSink();

public: // from CMceComMediaSink

    /**

    * Internalizes flat data

    * @param aReadStream read stream

    */

    void InternalizeFlatL( RReadStream& aReadStream );

    /**

    * Externalizes flat data

    * @param aWriteStream write stream

    */

    void ExternalizeFlatL( RWriteStream& aWriteStream );

    /**

    * Traversal event handler

    * @param aEvent the event

    * @return status, if event was consumed or not or object needs update

    */

    TInt EventReceivedL( TMceComEvent& aEvent );

    /**

    * Clones this object

    * @return the cloned object

    */

    CMceComMediaSink* CloneL();

    /**

    * Updates this object

    * @param aUpdate object updates this

    */

    void UpdateL( CMceComMediaSink& aUpdate );

public: // from MMceComEndPointProxy

    /**

    * Does proxy serve client

    * @param aClient a client

    * @return ETrue, if proxy serves client

    */

    TBool ServesProxyClient( const CMceComEndpoint& aClient ) const;

    /**

    * Adds client to proxy

    * @param aClient a client

    */

    void AddProxyClientL( CMceComEndpoint& aClient );

    /**

    * Removes client from proxy

    * @param aClient a client

    */

    void RemoveProxyClient( CMceComEndpoint& aClient );

#ifdef MCE_COMMON_SERVER_SIDE

    /**

    * Returns mcc type for mcc endpoint

    * @return mcc type

    */

    const TUid MccType();

    /**

    * Returns init param for mcc endpoint

    * @return mcc type

    */

    const TDesC8& InitParamL( const CMceComCodec& aCodec );

    /**

    * Prepares this endpoint

    */

    void PrepareL();

public: 

    /**

    * Enables defined client

    * @return KMceSrvStreamDefaultSequence if client does not support

    * client enabling, otherwise returns KMceSrvStreamAlternativeSequence

    */

    TBool ClientEnableL( CMceComEndpoint& aClient, const CMceComCodec& aCodec );

    /**

    * Disables defined client

    * @return KMceSrvStreamDefaultSequence if client does not support

    * client disabling, otherwise returns KMceSrvStreamAlternativeSequence

    */

    TBool ClientDisableL( CMceComEndpoint& aClient );   

    /**

    * Client wants to change settings

    * @param aClient a client

    * @param aParam parameter name

    * @param aValue parameter value

    * @return KMceSrvStreamDefaultSequence if client does not support

    * this setting, otherwise returns KMceSrvStreamAlternativeSequence

    */ 

    TBool SetParameterL( const CMceComEndpoint& aClient, 

                         TUint32 aParam,

                         const TDesC8& aValue );

#endif//MCE_COMMON_SERVER_SIDE

protected:

    /**

    * C++ default constructor.

    */

	CMceComAvSink();

public: // Data

    RPointerArray<CMceComEndpoint> iProxyClients;

private: // Data

    HBufC8* iSettings;

    TInt iVolume;

	};

#endif //CMCECOMAVSINK_H