// 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 USBMSAPP_H

#define USBMSAPP_H

#include <e32base.h>

#include <e32property.h>		// RProperty

#include "usbmsshared.h"		// TUsbMsBytesTransferred

#include <d32usbcsc.h>

#include <d32usbc.h>

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);

private:

	CPropertyWatch(PropertyHandlers::THandler aHandler);

	void ConstructL(TUsbMsDriveState_Subkey aSubkey);

	~CPropertyWatch();

	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(TAny* aUsb);

private:

	CUsbWatch(TAny* aUsb);

	void ConstructL();

	~CUsbWatch();

	void RunL();

	void DoCancel();

	TAny* 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();

#ifndef USB_BOOT_LOADER

	void MakePassword(TMediaPassword &aPassword);

#endif

	CConsoleBase* iConsole; // A console for reading from

	};

#endif // USBMSAPP_H