// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// which accompanies this distribution, and is available

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// Contains declaration for BSUL class to cache drive information

// 

//

/**

 @file

*/

#ifndef CCACHEDDRIVEINFO_H

#define CCACHEDDRIVEINFO_H

#include <e32def.h>

#include <f32file.h>

namespace BSUL

	{

	/**

	 Class used to cache F32 drive information.

	 @see TDriveInfo

	 @publishedAll

	 @released

	 */

	NONSHARABLE_CLASS(CCachedDriveInfo) : public CBase

		{

	private: // private type declarations

		// Struct to hold drive and media attributes retrieved from a TDriveInfo.

		struct TDriveAndMediaAttributes

			{

			// bit-field of drive attributes

			TUint32 iDriveAttributes;

			// bit-field of media attributes

			TUint32 iMediaAttributes;

			// Media type of the drive

			TMediaType iMediaType;

			};

	public: // public methods

		IMPORT_C static CCachedDriveInfo* NewL(RFs& aFs);

		IMPORT_C static CCachedDriveInfo* NewLC(RFs& aFs);

		IMPORT_C ~CCachedDriveInfo();

		IMPORT_C TBool IsReadOnlyInternalL(const TDesC& aFullName) const;

		IMPORT_C TBool IsReadOnlyInternalL(TDriveUnit aDrive) const;

		IMPORT_C TBool IsFlagSetOnDriveL(TDriveUnit aDrive, TUint aFlags) const;

		IMPORT_C TBool MediaTypeL(TDriveUnit aDrive, TMediaType aTestValue, TMediaType* aActual = NULL) const;

		IMPORT_C TDriveUnit GetDefaultRemovableMemoryCardDriveL() const;

	private: // private methods

		CCachedDriveInfo();

		void ConstructL(RFs& aFs);

		static TDriveUnit PathToDriveUnitL(const TDesC& aFullName);

	private: // private data

		// Array containing the cached attributes for every drive. 

		TDriveAndMediaAttributes iDriveAndMediaAttributes[KMaxDrives];

		};

	}

#endif // #ifndef CCACHEDDRIVEINFO_H