1 /*

     2 * Copyright (c) 2003-2006 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:  Remote File System Plug-in implementation

    15 *

    16 */

    17 

    18 

    19 #ifndef CRSFWFSDIRCB_H

    20 #define CRSFWFSDIRCB_H

    21 

    22 //  INCLUDES

    23 #include <f32fsys.h>

    24 #include <s32file.h>

    25 //#include "rsfwsession.h"

    26 #include "rsfwinterface.h"

    27 

    28 // CONSTANTS

    29 

    30 // DATA TYPES

    31 

    32 // FORWARD DECLARATIONS

    33 

    34 // CLASS DECLARATIONS

    35 

    36 /**

    37  *  Classes that a plug-in file system must implement. A plug-in 

    38  *  filesystem must implement CFileSystem, which is a factory class for 

    39  *  a file system. That class must create objects derived from CMountCB, 

    40  *  CFileCB, CDirCB and CFormatCB. These are defined in f32fsys.h

    41  *

    42  *  @lib eremotefs.fsy

    43  *  @since Series 60 3.2

    44  */

    45 class CRsfwFsDirCB : public CDirCB

    46     {

    47 public:   // Constructors and destructor

    48     

    49     /**

    50      * Static constructor.

    51      */      

    52     static CRsfwFsDirCB* NewL();

    53         

    54     /**

    55      * Destructor.

    56      */

    57     ~CRsfwFsDirCB();

    58     

    59 public:   // New functions

    60     

    61     /**

    62      * Prepares the class to read directory entries from a local cache container file

    63      * @since Series 60 3.2

    64      * @param aPath path of the directory container in the local cache

    65      * @param aName the entries to be read from the directory, for example, "*"

    66      * @return 

    67      */

    68     void SetDirL( const TDesC& aPath, 

    69                   const TDesC& aName );

    70     

    71 public:   // Functions from base classes

    72     

    73     /**

    74      * From CDirCB Gets information from the first suitable entry in the directory,

    75      *             starting from the current read position.

    76      * @since Series 60 3.2

    77      * @param anEntry Entry information object.

    78      * @return 

    79      */

    80     void ReadL( TEntry& anEntry );

    81         

    82 private:

    83     

    84     /**

    85      * C++ default constructor.

    86      */

    87     CRsfwFsDirCB();

    88         

    89 public:     // Data

    90 

    91     // the Fid of this dir 

    92     TFid iThisFid; 

    93 

    94 private:    // Data

    95     

    96     // stream attached to the local cache container file

    97     RFileReadStream iDirContReadStream;

    98         

    99     // the entries to be read from the directory, for example, "*"

   100     HBufC* iMatch;

   101         

   102     // whether the cache container includes the contents the directory

   103     TBool iHasBeenFetched;

   104         

   105     // which entry position to read next

   106     TInt iEntryPos;   

   107           

   108     // at which stream position to read next

   109     TStreamPos iStreamPos;   

   110         

   111     // where to read if we must re-read the last entry to be read

   112     TStreamPos iPendingPos;

   113         

   114     }; 

   115 

   116 #endif // CRSFWFSDIRCB_H

   117 

   118 // End of File

   119