// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of the License "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:

 //

 /**

  @file

  @internalComponent

 */

 #ifndef USBMS_H

 #define USBMS_H

 #include <e32base.h>

 #include <e32property.h>		// RProperty

 #include <d32usbcsc.h>

 #include <d32usbc.h>

 typedef RDEVCLIENT RUsb;

 typedef TUint TUsbDeviceState;

 //-----------------------------------------------------------------------------

 /**

     Class describing a file system mounted on the drive.

     It has a limitation: full list of possible FS extensions is not supported, only the primary one.

 */

 class CFileSystemDescriptor : public CBase

     {

  public:

     ~CFileSystemDescriptor();    

     static CFileSystemDescriptor* NewL(const TDesC& aFsName, const TDesC& aPrimaryExtName, TBool aDrvSynch);

     TPtrC FsName() const            {return iFsName;}

     TPtrC PrimaryExtName() const    {return iPrimaryExtName;}

     TBool DriveIsSynch() const      {return iDriveSynch;}

  private:

     CFileSystemDescriptor() {}

     CFileSystemDescriptor(const CFileSystemDescriptor&);

     CFileSystemDescriptor& operator=(const CFileSystemDescriptor&);

  private:   

     RBuf    iFsName;        ///< file system name

     RBuf    iPrimaryExtName;///< name of the primary extension if present. Empty otherwise

     TBool   iDriveSynch;    ///< ETrue if the drive is synchronous

     };  

 class PropertyHandlers

 	{

 public:

 	typedef void(*THandler)(RProperty&);

 	static TBuf8<16> allDrivesStatus;

 	static TUsbMsBytesTransferred iKBytesRead;

 	static TUsbMsBytesTransferred iKBytesWritten;

 	static TInt iMediaError;

 	static void Transferred(RProperty& aProperty, TUsbMsBytesTransferred& aReadOrWritten);

 	static void Read(RProperty& aProperty);

 	static void Written(RProperty& aProperty);

 	static void DriveStatus(RProperty& aProperty);

 	static void MediaError(RProperty& aProperty);

 	};

 /**

 An active object that tracks changes to the KUsbMsDriveState properties

 */

 class CPropertyWatch : public CActive

 	{

 public:

 	static CPropertyWatch* NewLC(TUsbMsDriveState_Subkey aSubkey, PropertyHandlers::THandler aHandler);

 	~CPropertyWatch();

 private:

 	CPropertyWatch(PropertyHandlers::THandler aHandler);

 	void ConstructL(TUsbMsDriveState_Subkey aSubkey);

 	void RunL();

 	void DoCancel();

 	RProperty iProperty;

 	PropertyHandlers::THandler iHandler;

 	};

 /**

 An active object that tracks changes to the KUsbMsDriveState properties

 */

 class CUsbWatch : public CActive

 	{

 public:

 	static CUsbWatch* NewLC(RUsb& aUsb);

 	~CUsbWatch();

 private:

 	CUsbWatch(RUsb& aUsb);

 	void ConstructL();

 	void RunL();

 	void DoCancel();

 	RUsb& iUsb;

 	TUsbDeviceState iUsbDeviceState;

 	TBool iWasConfigured;

 	};

 class CMessageKeyProcessor : public CActive

 	{

 public:

 	static CMessageKeyProcessor* NewLC(CConsoleBase* aConsole);

 	static CMessageKeyProcessor* NewL(CConsoleBase* aConsole);

 	~CMessageKeyProcessor();

 public:

 	// Issue request

 	void RequestCharacter();

 	// Cancel request.

 	// Defined as pure virtual by CActive;

 	// implementation provided by this class.

 	void DoCancel();

 	// Service completed request.

 	// Defined as pure virtual by CActive;

 	// implementation provided by this class,

 	void RunL();

 	// Called from RunL() to handle the completed request

 	void ProcessKeyPress(TChar aChar);

 private:

 	CMessageKeyProcessor(CConsoleBase* aConsole);

 	void ConstructL();

 	CConsoleBase* iConsole; // A console for reading from

 	};

 #endif // USBMSAPP_H