1 /*

     2 * Copyright (c) 2003-2009 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 * Name        : SigCompCompressionContext.h

    16 * Part of     : SigComp / compressor

    17 * Interface   : 

    18 * compression context

    19 * Version     : 1.0

    20 *

    21 */

    22 

    23 

    24 

    25 

    26 /**

    27  @internalComponent

    28 */

    29 

    30 

    31 #ifndef SIGCOMPCOMPRESSIONCONTEXT_H

    32 #define SIGCOMPCOMPRESSIONCONTEXT_H

    33 

    34 #include <e32base.h>

    35 

    36 /**

    37 *  Abstract class for holding compressor specific data in compartment.

    38 */

    39 

    40 class CSigCompCompressionContext: public CBase

    41     {

    42     public:

    43 

    44         /**

    45         * Sets compressor context. Ownership is transferred.

    46         * 

    47         * @param aContext private context to be saved

    48         */

    49         IMPORT_C void SetContext(CBufBase* aContext);

    50 

    51        /**

    52         * Gets saved context

    53         * 

    54         * @return saved context

    55         */

    56         IMPORT_C const CBufBase* Context() const;

    57 

    58         IMPORT_C virtual ~CSigCompCompressionContext();

    59 

    60     protected:

    61         IMPORT_C CSigCompCompressionContext();

    62 

    63     private:

    64         /** compressor private data saved in this context */

    65         CBufBase* iContext;

    66     };

    67 

    68 #endif

    69