os/boardsupport/emulator/emulatorbsp/win_drive/win_drive_ext.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 // Copyright (c) 2007-2009 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 "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 // Definitions for this file system extension
    15 // 
    16 //
    17 
    18 /**
    19  @file
    20 */
    21 
    22 #ifndef WIN_DRIVE_EXTENSION_H
    23 #define WIN_DRIVE_EXTENSION_H
    24 
    25 #include "win_media.h"
    26 
    27 //-----------------------------------------------------------------------------
    28 
    29 /**
    30     This class represents the File System extension (.fxt module) that intercepts media driver operations and
    31     deals with them on windows filesystem level.
    32 */
    33 class CWinDrvProxyDrive : public CBaseExtProxyDrive
    34 {
    35 public:
    36     static CWinDrvProxyDrive* NewL(CProxyDrive* aProxyDrive, CMountCB* aMount);
    37 
    38 protected:
    39     CWinDrvProxyDrive(CProxyDrive* aProxyDrive, CMountCB* aMount);
    40     virtual ~CWinDrvProxyDrive();
    41 
    42 	//-- overrides from the base class
    43     
    44     virtual TInt Initialise();
    45 	virtual TInt Dismounted();
    46 
    47 	virtual TInt Read(TInt64 aPos,TInt aLength,const TAny* aTrg,TInt aThreadHandle,TInt aOffset,TInt aFlags);
    48 	virtual TInt Read(TInt64 aPos,TInt aLength,const TAny* aTrg,TInt aThreadHandle,TInt aOffset);
    49 	virtual TInt Read(TInt64 aPos,TInt aLength,TDes8& aTrg);
    50 	
    51 	virtual TInt Write(TInt64 aPos,TInt aLength,const TAny* aSrc,TInt aThreadHandle,TInt aOffset,TInt aFlags);
    52 	virtual TInt Write(TInt64 aPos,TInt aLength,const TAny* aSrc,TInt aThreadHandle,TInt aOffset);
    53 	virtual TInt Write(TInt64 aPos,const TDesC8& aSrc);
    54 
    55     virtual TInt Caps(TDes8& anInfo);
    56 
    57     virtual TInt Format(TFormatInfo& anInfo);
    58     virtual TInt Format(TInt64 aPos,TInt aLength);
    59 
    60     /* -------- virtual base class API --------------
    61     virtual TInt Enlarge(TInt aLength);
    62 	virtual TInt ReduceSize(TInt aPos, TInt aLength);
    63 	
    64     # virtual TInt Read(TInt64 aPos,TInt aLength,const TAny* aTrg,TInt aThreadHandle,TInt aOffset,TInt aFlags);
    65 	# virtual TInt Read(TInt64 aPos,TInt aLength,const TAny* aTrg,TInt aThreadHandle,TInt anOffset);
    66 	# virtual TInt Read(TInt64 aPos,TInt aLength,TDes8& aTrg);
    67 
    68 	# virtual TInt Write(TInt64 aPos,TInt aLength,const TAny* aSrc,TInt aThreadHandle,TInt aOffset,TInt aFlags);
    69 	# virtual TInt Write(TInt64 aPos,TInt aLength,const TAny* aSrc,TInt aThreadHandle,TInt anOffset);
    70 	# virtual TInt Write(TInt64 aPos,const TDesC8& aSrc);
    71 	
    72     # virtual TInt Caps(TDes8& anInfo);
    73 	#virtual TInt Format(TFormatInfo& anInfo);
    74 	#virtual TInt Format(TInt64 aPos,TInt aLength);
    75 	virtual TInt SetMountInfo(const TDesC8* aMountInfo,TInt aMountInfoThreadHandle=KCurrentThreadHandle);
    76 	virtual TInt ForceRemount(TUint aFlags=0);
    77 	virtual TInt Unlock(TMediaPassword &aPassword, TBool aStorePassword);
    78 	virtual TInt Lock(TMediaPassword &aOldPassword, TMediaPassword &aNewPassword, TBool aStorePassword);
    79 	virtual TInt Clear(TMediaPassword &aPassword);
    80 	virtual TInt ControlIO(const RMessagePtr2& aMessage,TInt aCommand,TAny* aParam1,TAny* aParam2);
    81 	virtual TInt ErasePassword();
    82 	virtual TInt GetLastErrorInfo(TDes8& aErrorInfo);
    83     virtual TInt DeleteNotify(TInt64 aPos, TInt aLength);
    84     */
    85 protected:
    86 	virtual TInt GetInterface(TInt aInterfaceId,TAny*& aInterface,TAny* aInput);	
    87 
    88 
    89 protected:
    90     CMountCB*    iMount;        ///< pointer to the owning mount
    91     CProxyDrive* iProxyDrive;   ///< pointer to the chain of the proxies to the native media driver
    92     CMediaBase*  ipMedia;       ///< pointer to the base "media" object that implements this extension't IO operations
    93 
    94     RBuf8        iScratchBuf;   ///< scratch buffer for non-local read/write operations
    95 };
    96 
    97 //-----------------------------------------------------------------------------
    98 
    99 /**
   100     This Proxy drive factory class
   101 */
   102 class CWinDrvProxyDriveFactory : public CProxyDriveFactory
   103 {
   104  public:
   105     CWinDrvProxyDriveFactory();
   106     virtual TInt Install();         
   107     virtual CProxyDrive* NewProxyDriveL(CProxyDrive* aProxy,CMountCB* aMount);
   108 };
   109 
   110 
   111 #endif //WIN_DRIVE_EXTENSION_H
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