/*

* Copyright (c) 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:

*  wmdrmaccessecominterface.h

*

*/

#ifndef _WMDRMACCESSECOMINTERFACE_H_

#define _WMDRMACCESSECOMINTERFACE_H_

#include <e32base.h>

// Class declaration

// CWmDrmAccessEcomInterface

// ecom plugin interface for WM DRM access implementation

// @see CWmDrmAccess

NONSHARABLE_CLASS( CWmDrmAccessEcomInterface ) : public CBase

    {

public:

    // Constructors

    static CWmDrmAccessEcomInterface* NewL();

    static CWmDrmAccessEcomInterface* NewLC();

    // Destructor

    virtual ~CWmDrmAccessEcomInterface();

    // Initialises decryption context.

    // @see CWmDrmAccess::Initialize

    // @post class ready for decrypting WM DRM protected file,

    //  header of which is given in aHeader.

    virtual TInt Initialize( const TDesC8& aHeader ) = 0;

    // Decrypts encrypted data in place.

    // @see CWmDrmAccess::Decrypt

    // @pre Succesful call of Initialize, data to be decrypted in aBuffer

    // @post decrypted data in aBuffer

    virtual TInt Decrypt( TDes8& aBuffer ) = 0;

    // Closes decryption context.

    // @see CWmDrmAccess::Close

    virtual TInt Close() = 0;

private:

    // internal variable used on freeing ecom related resources

    TUid iDtor_ID_Key;

    };

#include "wmdrmaccessecominterface.inl"

#endif _WMDRMACCESSECOMINTERFACE_H_