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: Declaration for RMMCScBkupArchiveReadStream

    15 *     

    16 *

    17 */

    18 

    19 #ifndef __RMMCSCBKUPARCHIVESTREAMS_H__

    20 #define __RMMCSCBKUPARCHIVESTREAMS_H__

    21 

    22 // System includes

    23 #include <s32strm.h>

    24 #include <s32file.h>

    25 

    26 // User includes

    27 #include "TMMCScBkupArchiveVector.h"

    28 

    29 // Classes referenced

    30 class CMMCScBkupArchiveDataManager;

    31 

    32 

    33 

    34 /**

    35 *

    36 *

    37 * @since 3.0

    38 */

    39 NONSHARABLE_CLASS(RMMCScBkupArchiveBuf) : public RFileBuf

    40     {

    41     public:

    42 

    43         /**

    44         *

    45         */

    46         RMMCScBkupArchiveBuf();

    47 

    48     public: // API

    49 

    50         /**

    51         *

    52         */

    53         void AttachL(CMMCScBkupArchiveDataManager& aADM, RFile64& aFile, TInt aPos, TBool aForWrite );

    54 

    55         /**

    56         *

    57         */

    58         IMPORT_C void Close();

    59 

    60         /**

    61         *

    62         */

    63         TBool IsOpen() const;

    64 

    65     private: // From MStreamBuf

    66 

    67         /**

    68         *

    69         */

    70         void DoRelease();

    71 

    72         /**

    73         *

    74         */

    75         void DoSynchL();

    76       

    77 #ifdef RD_FILE_MANAGER_BACKUP

    78         /**

    79         *

    80         */

    81         void DoWriteL(const TAny* aPtr,TInt aLength);

    82 #endif

    83       

    84     private:

    85 

    86         /**

    87         *

    88         */

    89         void UpdateInfoL();

    90 

    91     private: // Member data

    92 

    93         //

    94         TBool iWriteMode;

    95         //

    96         CMMCScBkupArchiveDataManager* iADM;

    97         //

    98         TMMCScBkupArchiveVector iInfo;

    99 

   100     };

   101 

   102 /**

   103 *

   104 *

   105 * @since 3.0

   106 */

   107 NONSHARABLE_CLASS(RMMCScBkupArchiveReadStream) : public RReadStream

   108     {

   109     public: // Constructors

   110 

   111         /**

   112         *

   113         */

   114         inline RMMCScBkupArchiveReadStream() { }

   115 

   116     public: // API

   117 

   118         /**

   119         *

   120         */

   121         void OpenLC(CMMCScBkupArchiveDataManager& aADM, RFile64& aArchiveFile, TInt aPos=0);

   122 

   123         /**

   124         *

   125         */

   126         TBool IsOpen() const;

   127 

   128     private: // Member data

   129         

   130         //

   131         RMMCScBkupArchiveBuf iSource;

   132     };

   133 

   134 

   135 

   136 /**

   137 *

   138 *

   139 * @since 3.0

   140 */

   141 NONSHARABLE_CLASS(RMMCScBkupArchiveWriteStream) : public RWriteStream

   142     {

   143     public: // Constructors

   144 

   145         /**

   146         *

   147         */

   148         inline RMMCScBkupArchiveWriteStream()

   149             {}

   150 

   151     public: // API

   152 

   153         /**

   154         *

   155         */

   156         void OpenLC(CMMCScBkupArchiveDataManager& aADM, RFile64& aArchiveFile, TInt aPos=0);

   157 

   158         /**

   159         *

   160         */

   161         TBool IsOpen() const;

   162 

   163     private: // Member data

   164         

   165         //

   166         RMMCScBkupArchiveBuf iSink;

   167     };

   168 

   169 

   170 

   171 #endif // __RMMCSCBKUPARCHIVESTREAMS_H__

   172 

   173 //End of File