1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // f32\sfat\inc\sl_disk.h

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalTechnology

    21 */

    22 

    23 #if !defined(__SL_DISK_H__)

    24 #define __SL_DISK_H__

    25 

    26 #include "sl_std.h"

    27 

    28 //---------------------------------------------------------------------------------------------------------------------------------

    29 

    30 class MWTCacheInterface;

    31 

    32 

    33 class CAtaDisk : public CRawDisk

    34 	{

    35 public:

    36 	static CAtaDisk* NewL(CFatMountCB& aFatMount);

    37 	

    38      CAtaDisk(CFatMountCB& aFatMount);

    39 	~CAtaDisk();

    40 

    41     void ConstructL();  

    42     void InitializeL();

    43 

    44 public:

    45 	void ReadCachedL(TInt64 aPos,TInt aLength,TDes8& aDes) const; 

    46 	void WriteCachedL(TInt64 aPos,const TDesC8& aDes);

    47 

    48     void InvalidateUidCache();

    49     virtual void InvalidateUidCachePage(TUint64 aPos);

    50 

    51 	

    52     void ReadL(TInt64 aPos,TInt aLength,const TAny* aTrg,const RMessagePtr2 &aMessage,TInt anOffset) const;

    53 	void WriteL(TInt64 aPos,TInt aLength,const TAny* aSrc,const RMessagePtr2 &aMessage,TInt anOffset);

    54 	virtual TInt GetLastErrorInfo(TDes8& aErrorInfo) const;

    55 

    56     MWTCacheInterface* DirCacheInterface();

    57 

    58     

    59 

    60 

    61 private:

    62 

    63 	TFatDriveInterface& iDrive;     ///< Driver's interface to access the media

    64     MWTCacheInterface*  ipDirCache; ///< pointer to the FAT Directory cache object

    65     MWTCacheInterface*  iUidCache;  ///< pointer to the UID cache object

    66 

    67     };

    68 

    69 

    70 //---------------------------------------------------------------------------------------------------------------------------------

    71 

    72 class CRamDisk : public CRawDisk

    73 	{

    74 public:

    75 	

    76     static CRamDisk* NewL(CFatMountCB& aFatMount);

    77 	CRamDisk(CFatMountCB& aFatMount);

    78 

    79     void InitializeL();

    80 public:

    81 	void ReadCachedL(TInt64 aPos,TInt aLength,TDes8& aDes) const;

    82 	void WriteCachedL(TInt64 aPos,const TDesC8& aDes);

    83 	void ReadL(TInt64 aPos,TInt aLength,const TAny* aTrg,const RMessagePtr2 &aMessage,TInt anOffset) const;

    84 	void WriteL(TInt64 aPos,TInt aLength,const TAny* aSrc,const RMessagePtr2 &aMessage,TInt anOffset);

    85 

    86     

    87 

    88 private:

    89 	inline TUint8 *RamDiskBase() const;

    90 

    91 private:

    92 	TUint8* iRamDiskBase; ///< pointer to the beginning of the RAM disk memory area

    93 	};

    94 

    95 

    96 //---------------------------------------------------------------------------------------------------------------------------------

    97 

    98 #include "sl_disk.inl"

    99 

   100 #endif //__SL_DISK_H__

   101 

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