// Copyright (c) 2008-2009 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 OMXILGENERICPORTILIF_H

#define OMXILGENERICPORTILIF_H

#include "milcomponentportif.h"

#include "omxilgenericilif.h"

/**

Concrete implementation of the MILComponentPortIf that encapsulates the 

component's port specific behaviour according to OpenMAX specification.

*/

class COmxILGenericPortILIF  :  public CBase,

                                public MILComponentPortIf

	{

public:

	static COmxILGenericPortILIF* NewL(COmxILGenericILIF& aParent, TPortDirection aPortDirection, TInt aIndex);

	// MILComponentPortIf

	TInt FillThisBuffer(CMMFBuffer& aBuffer);

	TInt EmptyThisBuffer(const CMMFBuffer& aBuffer);

	TInt TunnelRequest(MILComponentPortIf* aPort);

	TInt PortIndex() const;

	TPortDirection PortDirection() const;

	CMMFBuffer* CreateBufferL(TInt aBufferSize);

	TInt UseBuffer(CMMFBuffer& aBuffer);

	TInt FreeBuffer(CMMFBuffer* aBuffer);

	TInt FlushPort();

	TInt EnablePort();

	TInt DisablePort();

	MILComponentIf* PortComponent() const; 

	void SetPortConnectedTo(COmxILGenericPortILIF* aPort);

private:

	COmxILGenericPortILIF(COmxILGenericILIF& aParent, TPortDirection aPortDirection, TInt aIndex);

private:

	TPortDirection iPortDirection;

	TInt iPortIndex;	

	COmxILGenericILIF& iPortComponent;

	COmxILGenericPortILIF* iTunneledPort;

	};

#endif // OMXILGENERICPORTILIF_H