/*+
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* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).+
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description:+
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*+
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*/+
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+
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#include <e32base.h>+
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#include <e32property.h>		// RProperty+
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#include <usbman.h>+
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+
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#include "usbmsshared.h"		// TUsbMsBytesTransferred+
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+
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/**+
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    Class describing a file system mounted on the drive.+
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    It has a limitation: full list of possible FS extensions is not supported, only the primary one.+
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*/+
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NONSHARABLE_CLASS(CFileSystemDescriptor) : public CBase+
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    {+
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 public:+
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    ~CFileSystemDescriptor();    +
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    static CFileSystemDescriptor* NewL(const TDesC& aFsName, const TDesC& aPrimaryExtName, TBool aDrvSynch);+
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+
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    TPtrC FsName() const            {return iFsName;}+
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    TPtrC PrimaryExtName() const    {return iPrimaryExtName;}+
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    TBool DriveIsSynch() const      {return iDriveSynch;}+
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+
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+
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 private:+
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    CFileSystemDescriptor() {}+
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 +
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 private:   +
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    RBuf    iFsName;        ///< file system name+
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    RBuf    iPrimaryExtName;///< name of the primary extension if present. Empty otherwise+
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    TBool   iDriveSynch;    ///< ETrue if the drive is synchronous+
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    };+
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+
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+
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    +
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/**+
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A set of static objects that hold the latest properties published by Mass Storage,+
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and a set of corresponding static functions that process the publish events. +
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The functions are passed by pointer to, and invoked by, CPropertyWatch instances.+
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*/+
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NONSHARABLE_CLASS(PropertyHandlers) {+
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public:+
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	/** The prototype for all public property handler functions */+
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	typedef void(*THandler)(RProperty&);+
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+
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public:+
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	static void Read(RProperty& aProperty);+
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	static void Written(RProperty& aProperty);+
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	static void DriveStatus(RProperty& aProperty);+
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private:+
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	static void Transferred(RProperty& aProperty, TUsbMsBytesTransferred& aReadOrWritten);+
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+
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public:+
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	static TBuf8<16> allDrivesStatus;+
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	static TUsbMsBytesTransferred iKBytesRead;+
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	static TUsbMsBytesTransferred iKBytesWritten;+
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	};+
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+
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/**+
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An active object that subscribes to a specified Mass Storage property and+
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calls a provided handler each time the property is published.+
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*/+
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NONSHARABLE_CLASS(CPropertyWatch) : public CActive+
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	{+
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public:+
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	static CPropertyWatch* NewLC(TUsbMsDriveState_Subkey aSubkey, PropertyHandlers::THandler aHandler);+
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private:+
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	CPropertyWatch(PropertyHandlers::THandler aHandler);+
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	void ConstructL(TUsbMsDriveState_Subkey aSubkey);+
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	~CPropertyWatch();+
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	void RunL();+
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	void DoCancel();+
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	+
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	RProperty iProperty;+
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	PropertyHandlers::THandler iHandler;+
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	};+
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+
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/**+
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An active object that handles changes to the KUsbMsDriveState properties.+
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*/+
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NONSHARABLE_CLASS(CUsbWatch) : public CActive+
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	{+
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public:+
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	static CUsbWatch* NewLC(RUsb& aUsb);+
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private:+
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	CUsbWatch(RUsb& aUsb);+
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	void ConstructL();+
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	~CUsbWatch();+
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	void RunL();+
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	void DoCancel();+
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+
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private:+
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	RUsb& iUsb;+
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	TUsbDeviceState iUsbDeviceState;+
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	TBool iIsConfigured;+
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	};+
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+
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/**+
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An active object for handling user menu selections.+
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*/+
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NONSHARABLE_CLASS(CMessageKeyProcessor) : public CActive+
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	{+
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public:+
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	static CMessageKeyProcessor* NewLC(CConsoleBase* aConsole);+
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	static CMessageKeyProcessor* NewL(CConsoleBase* aConsole);+
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	~CMessageKeyProcessor();+
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+
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public:+
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	  // Issue request+
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	void RequestCharacter();+
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	  // Cancel request.+
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	  // Defined as pure virtual by CActive;+
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	  // implementation provided by this class.+
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	void DoCancel();+
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	  // Service completed request.+
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	  // Defined as pure virtual by CActive;+
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	  // implementation provided by this class,+
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	void RunL();+
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	  // Called from RunL() to handle the completed request+
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	void ProcessKeyPress(TChar aChar); +
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+
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private:+
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	CMessageKeyProcessor(CConsoleBase* aConsole);+
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	void ConstructL();+
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+
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private:+
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	CConsoleBase* iConsole; // A console for reading from+
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	};+
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+
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+
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+
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