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 the License "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 *

    16 */

    17 /*

    18 * ==============================================================================

    19 *  Name        : PushMtmCacheDataSupplier.h

    20 *  Part of     : PushMtm

    21 *  Interface   : 

    22 *  Description : 

    23 *  Version     : 3.1

    24 */

    25 

    26 

    27 #ifndef CPUSHMTMCACHEDATASUPPLIER_H

    28 #define CPUSHMTMCACHEDATASUPPLIER_H

    29 

    30 //  INCLUDES

    31 #include <http/MHTTPDataSupplier.h>

    32 

    33 // CONSTANTS

    34 

    35 // MACROS

    36 

    37 // DATA TYPES

    38 

    39 // FUNCTION PROTOTYPES

    40 

    41 // FORWARD DECLARATIONS

    42 

    43 // CLASS DECLARATION

    44 

    45 /**

    46  *  Data supplier to supply response body if the url is loaded

    47  *  from cache

    48  *

    49  *  @lib 

    50  *  @since 3.1

    51  */

    52 class CPushMtmCacheDataSupplier : public CBase, public MHTTPDataSupplier

    53     {

    54     public:  // Constructors and destructor

    55         

    56         /**

    57         * Two-phased constructor.

    58         */

    59         static CPushMtmCacheDataSupplier* NewL( HBufC8* aBody );

    60         

    61         /**

    62         * Destructor.

    63         */

    64         virtual ~CPushMtmCacheDataSupplier();      

    65      

    66     public: // from MHTTPDataSupplier

    67         

    68         /**

    69         * From MHTTPDataSupplier. Free the data chunk that was requested.

    70         * @since 2.0

    71         */

    72         virtual void ReleaseData() { delete iBody; iBody = NULL;}

    73         

    74         /**

    75         * From MHTTPDataSupplier. It is not possible to know

    76         * the data size, so return KErrNotFound

    77         * @since 2.0

    78         */

    79         virtual TInt OverallDataSize () { return KErrNotFound; }

    80         

    81         /**

    82         * From MHTTPDataSupplier. Get the next data part of the response body

    83         * @since 2.0

    84         */

    85         virtual TBool GetNextDataPart( TPtrC8& aDataPart );

    86         

    87         /**

    88         * From MHTTPDataSupplier. Not Supported

    89         * @since 2.0

    90         */

    91         virtual TInt Reset() { return KErrNotFound; }

    92         

    93     private:

    94         

    95         /**

    96         * C++ default constructor.

    97         */

    98         CPushMtmCacheDataSupplier( HBufC8* aBody );

    99         

   100     private:    // Data

   101         

   102         //owned by datasupplier and is destroyed 

   103         //when the releasedata function is called

   104         HBufC8* iBody;        

   105     };

   106 

   107 #endif      // CPUSHMTMCACHEDATASUPPLIER_H

   108 

   109 // End of File