1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *  wmdrmaccessecominterface.h

    16 *

    17 */

    18 

    19 #ifndef _WMDRMACCESSECOMINTERFACE_H_

    20 #define _WMDRMACCESSECOMINTERFACE_H_

    21 

    22 #include <e32base.h>

    23 

    24 // Class declaration

    25 // CWmDrmAccessEcomInterface

    26 // ecom plugin interface for WM DRM access implementation

    27 // @see CWmDrmAccess

    28 NONSHARABLE_CLASS( CWmDrmAccessEcomInterface ) : public CBase

    29     {

    30 public:

    31     // Constructors

    32     static CWmDrmAccessEcomInterface* NewL();

    33     static CWmDrmAccessEcomInterface* NewLC();

    34 

    35     // Destructor

    36     virtual ~CWmDrmAccessEcomInterface();

    37 

    38     // Initialises decryption context.

    39     // @see CWmDrmAccess::Initialize

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

    41     //  header of which is given in aHeader.

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

    43 

    44     // Decrypts encrypted data in place.

    45     // @see CWmDrmAccess::Decrypt

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

    47     // @post decrypted data in aBuffer

    48     virtual TInt Decrypt( TDes8& aBuffer ) = 0;

    49 

    50     // Closes decryption context.

    51     // @see CWmDrmAccess::Close

    52     virtual TInt Close() = 0;

    53 

    54 private:

    55     // internal variable used on freeing ecom related resources

    56     TUid iDtor_ID_Key;

    57     };

    58 

    59 #include "wmdrmaccessecominterface.inl"

    60 #endif _WMDRMACCESSECOMINTERFACE_H_