ncdengine/provider/storage/inc/ncdfilestorageimpl.h
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     1 /*
       
     2 * Copyright (c) 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:  
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef C_NCDFILESTORAGEIMPL_H
       
    20 #define C_NCDFILESTORAGEIMPL_H
       
    21 
       
    22 #include <e32base.h>
       
    23 
       
    24 #include "ncdfilestorage.h"
       
    25 
       
    26 class RFs;
       
    27 class MNcdStorageOwner;
       
    28 
       
    29 /**
       
    30  *  File storage
       
    31  *
       
    32  *  Moves, removes and opens files from a storage directory
       
    33  *
       
    34  */
       
    35 class CNcdFileStorage : public CBase, public MNcdFileStorage
       
    36     {
       
    37 public:
       
    38 
       
    39     /**
       
    40     * Creates a new file storage
       
    41     *
       
    42     * @param aUid Storage UID
       
    43     * @param aPath Storage root path
       
    44     * @param aFileSession File session used by the storage
       
    45     */
       
    46     static CNcdFileStorage* NewL( MNcdStorageOwner& aOwner, const TDesC& aUid, 
       
    47         const TDesC& aPath );
       
    48 
       
    49 
       
    50     /**
       
    51     * Creates a new file storage and leaves it to stack
       
    52     *
       
    53     * @param aUid Storage UID
       
    54     * @param aPath Storage root path
       
    55     * @param aFileSession File session used by the storage
       
    56     */
       
    57     static CNcdFileStorage* NewLC( MNcdStorageOwner& aOwner, 
       
    58         const TDesC& aUid, const TDesC& aPath );
       
    59 
       
    60     virtual ~CNcdFileStorage();
       
    61 
       
    62 public: // From MNcdFileStorage
       
    63 
       
    64     /**
       
    65      * @see MNcdFileStorage::AddFileL( const TDesC&, TBool )
       
    66      */
       
    67     void AddFileL( const TDesC& aFilepath, TBool aOverwrite );
       
    68 
       
    69      
       
    70     /**
       
    71      * @see MNcdFileStorage::RemoveFileL()
       
    72      */
       
    73     void RemoveFileL( const TDesC& aFilename );
       
    74 
       
    75 
       
    76     /**
       
    77      * @see MNcdFileStorage::OpenFileL()
       
    78      */
       
    79     RFile OpenFileL( RFs& aFs, const TDesC& aFilename, TUint aFileMode );
       
    80     
       
    81     
       
    82     /**
       
    83      * @see MNcdFileStorage::Uid()
       
    84      */
       
    85     const TDesC& Uid() const;
       
    86 
       
    87 private:
       
    88 
       
    89     /**
       
    90      * Constructor
       
    91      *
       
    92      * @param aFileSession
       
    93      */
       
    94     CNcdFileStorage( MNcdStorageOwner& aOwner );
       
    95 
       
    96     void ConstructL( const TDesC& aUid, const TDesC& aPath );
       
    97 
       
    98 private: // data
       
    99 
       
   100     MNcdStorageOwner& iOwner;
       
   101     RBuf iRoot;
       
   102     RBuf iUid;
       
   103     };
       
   104 
       
   105 
       
   106 #endif // C_NCDFILESTORAGE_H