1 /*

     2 * Copyright (c) 2005 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:  Definition of the stream source reader active object class

    15 *

    16 */

    17 

    18 

    19 #ifndef CREADREQUEST_H

    20 #define CREADREQUEST_H

    21 

    22 // INCLUDES

    23 #include <e32base.h>

    24 #include "S60StreamingSource.h"

    25 

    26 class CMMFBuffer;

    27 class MDataSink;

    28 

    29 /**

    30 *  Reader class to provide an asynchronous jump to avoid re-entrant code.

    31 *

    32 *  @lib S60StreamingSource.lib

    33 *  @since 3.1

    34 */

    35 class CReadRequest : public CActive

    36     {

    37     public: // Constructors and destructor

    38 

    39         /**

    40         * Two-phased constructor.

    41         */

    42         static CReadRequest* NewL( CS60StreamingSource& aCallback, CMMFBuffer* aBuffer, MDataSink* aConsumer);

    43 

    44         /**

    45         * Destructor.

    46         */

    47         virtual ~CReadRequest();

    48 

    49         void HandleRequest();

    50 

    51     private:

    52 

    53         /**

    54         * C++ default constructor.

    55         */

    56         CReadRequest(CS60StreamingSource& aCallback, CMMFBuffer* aBuffer, MDataSink* aConsumer);

    57 

    58         /**

    59         * By default Symbian 2nd phase constructor is private.

    60         */

    61         void ConstructL();

    62 

    63         void RunL();

    64 

    65         void DoCancel();

    66 

    67     public:

    68     	// next item

    69         TSglQueLink* iLink;

    70 

    71     private:

    72 		// Object to handle request

    73 		CS60StreamingSource& iCallback;

    74 		// Buffer to be sent to server-side

    75 		CMMFBuffer* iBuffer;

    76 		// Object to callback when buffer is filled

    77 		MDataSink* iConsumer;

    78 	};

    79 

    80 #endif 		// CREADREQUEST_H

    81 

    82 //  End of File