--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emulator/emulatorbsp/win_drive/win_media.h	Tue Feb 02 01:39:10 2010 +0200
@@ -0,0 +1,124 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Definitions of the media abstractions. 
+// 
+//
+
+/**
+ @file
+*/
+
+#ifndef WIN_MEDIA_H
+#define WIN_MEDIA_H
+
+#include "common.h"
+#include "settings_manager.h"
+
+class CWinMediaDeviceBase;
+
+//-----------------------------------------------------------------------------
+
+/** 
+    Media abstraction base class.
+    Can be specialised to emulate different types of media (e.g. NAND, NOR FLASH),
+    access delays and other features.
+
+    This class talks to the real windows media object via CWinMediaDeviceBase interface.
+    Actually, it's a shim between EPOC's CBaseExtProxyDrive and Windows device (file or volume).
+*/
+class CMediaBase
+{
+  public:    
+    CMediaBase(TInt aEpocDrvNumber);
+    virtual ~CMediaBase();
+
+    //-- interface to the owner
+    virtual TInt Connect() =0;
+    virtual void Disconnect(); 
+
+    virtual TInt Read(TInt64 aPos,TInt aLength, TDes8& aDataDes)=0;
+    virtual TInt Write(TInt64 aPos,TInt aLength, const TDesC8& aDataDes)=0;
+    virtual TInt GetEpocCaps(TLocalDriveCaps& aCaps);
+    
+    virtual TInt Format(TFormatInfo& anInfo) = 0;
+    virtual TInt Format(TInt64 aPos,TInt aLength) = 0;
+    //--
+
+  protected:
+    CMediaBase();
+    CMediaBase(const CMediaBase&);
+    CMediaBase& operator=(const CMediaBase&);
+
+    inline TBool IsReadOnly() const {return iReadOnly;}
+    inline TSettingsManager& Settings() const {ASSERT(ipSettingsManager); return *ipSettingsManager;}
+
+  protected:
+
+    TBool                iReadOnly:1;       ///< if not 0, the media is read-only.
+    TDriveNumber         iEpocDrvNumber;    ///< EPOC drive number, specifies the drive a:..z:
+    CWinMediaDeviceBase* ipDevice;          ///< pointer to the interface to the real Windows device
+    TSettingsManager*    ipSettingsManager; ///< interface to the settings in 'ini' file
+};
+
+
+//-----------------------------------------------------------------------------
+
+
+/**
+    Generic block media. 
+    This is the simple media that consists of the blocks or sectors. 
+    Nothing special about reading/writing data onto it: what you write is what you read.
+    No addidtional seek/read/write delays emulation.
+
+*/
+class CGenericBlockMedia: public CMediaBase
+{
+  public:    
+    CGenericBlockMedia(TInt aEpocDrvNumber);
+   ~CGenericBlockMedia();
+
+
+    //-- overrides from the base class
+    virtual TInt Connect();
+    virtual void Disconnect();
+
+    virtual TInt Read(TInt64 aPos,TInt aLength, TDes8& aDataDes);
+    virtual TInt Write(TInt64 aPos, TInt aLength, const TDesC8& aDataDes);
+
+    virtual TInt Format(TFormatInfo& anInfo);
+    virtual TInt Format(TInt64 aPos,TInt aLength);
+
+  private:
+    TUint32 iSectorsFormatted; ///< used for media formatting
+};
+
+
+
+
+
+
+#endif //WIN_MEDIA_H
+
+
+
+
+
+
+
+
+
+
+
+
+