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

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Contains declaration for BSUL class to cache drive information

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20 */

    21 

    22 #ifndef CCACHEDDRIVEINFO_H

    23 #define CCACHEDDRIVEINFO_H

    24 

    25 #include <e32def.h>

    26 #include <f32file.h>

    27 

    28 namespace BSUL

    29 	{

    30 	/**

    31 	 Class used to cache F32 drive information.

    32 	 @see TDriveInfo

    33 	 @publishedAll

    34 	 @released

    35 	 */

    36 	NONSHARABLE_CLASS(CCachedDriveInfo) : public CBase

    37 		{

    38 	private: // private type declarations

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

    40 		struct TDriveAndMediaAttributes

    41 			{

    42 			// bit-field of drive attributes

    43 			TUint32 iDriveAttributes;

    44 			// bit-field of media attributes

    45 			TUint32 iMediaAttributes;

    46 			// Media type of the drive

    47 			TMediaType iMediaType;

    48 			};

    49 		

    50 	public: // public methods

    51 		IMPORT_C static CCachedDriveInfo* NewL(RFs& aFs);

    52 		IMPORT_C static CCachedDriveInfo* NewLC(RFs& aFs);

    53 		IMPORT_C ~CCachedDriveInfo();

    54 		

    55 		IMPORT_C TBool IsReadOnlyInternalL(const TDesC& aFullName) const;

    56 		IMPORT_C TBool IsReadOnlyInternalL(TDriveUnit aDrive) const;

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

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

    59 		IMPORT_C TDriveUnit GetDefaultRemovableMemoryCardDriveL() const;

    60 		

    61 	private: // private methods

    62 		CCachedDriveInfo();

    63 		void ConstructL(RFs& aFs);

    64 		

    65 		static TDriveUnit PathToDriveUnitL(const TDesC& aFullName);

    66 		

    67 	private: // private data

    68 		// Array containing the cached attributes for every drive. 

    69 		TDriveAndMediaAttributes iDriveAndMediaAttributes[KMaxDrives];

    70 		};

    71 	}

    72 

    73 #endif // #ifndef CCACHEDDRIVEINFO_H