epoc32/include/bsul/ccacheddriveinfo.h
branchSymbian2
changeset 2 2fe1408b6811
child 4 837f303aceeb
equal deleted inserted replaced
1:666f914201fb 2:2fe1408b6811
       
     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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.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 
       
    20 /**
       
    21  @file
       
    22 */
       
    23 
       
    24 #ifndef CCACHEDDRIVEINFO_H
       
    25 #define CCACHEDDRIVEINFO_H
       
    26 
       
    27 #include <e32def.h>
       
    28 #include <f32file.h>
       
    29 
       
    30 namespace BSUL
       
    31 	{
       
    32 	/**
       
    33 	 Class used to cache F32 drive information.
       
    34 	 @see TDriveInfo
       
    35 	 @publishedAll
       
    36 	 @released
       
    37 	 */
       
    38 	NONSHARABLE_CLASS(CCachedDriveInfo) : public CBase
       
    39 		{
       
    40 	private: // private type declarations
       
    41 		// Struct to hold drive and media attributes retrieved from a TDriveInfo.
       
    42 		struct TDriveAndMediaAttributes
       
    43 			{
       
    44 			// bit-field of drive attributes
       
    45 			TUint32 iDriveAttributes;
       
    46 			// bit-field of media attributes
       
    47 			TUint32 iMediaAttributes;
       
    48 			// Media type of the drive
       
    49 			TMediaType iMediaType;
       
    50 			};
       
    51 		
       
    52 	public: // public methods
       
    53 		IMPORT_C static CCachedDriveInfo* NewL(RFs& aFs);
       
    54 		IMPORT_C static CCachedDriveInfo* NewLC(RFs& aFs);
       
    55 		IMPORT_C ~CCachedDriveInfo();
       
    56 		
       
    57 		IMPORT_C TBool IsReadOnlyInternalL(const TDesC& aFullName) const;
       
    58 		IMPORT_C TBool IsReadOnlyInternalL(TDriveUnit aDrive) const;
       
    59 		IMPORT_C TBool IsFlagSetOnDriveL(TDriveUnit aDrive, TUint aFlags) const;
       
    60 		IMPORT_C TBool MediaTypeL(TDriveUnit aDrive, TMediaType aTestValue, TMediaType* aActual = NULL) const;
       
    61 		IMPORT_C TDriveUnit GetDefaultRemovableMemoryCardDriveL() const;
       
    62 		
       
    63 	private: // private methods
       
    64 		CCachedDriveInfo();
       
    65 		void ConstructL(RFs& aFs);
       
    66 		
       
    67 		static TDriveUnit PathToDriveUnitL(const TDesC& aFullName);
       
    68 		
       
    69 	private: // private data
       
    70 		// Array containing the cached attributes for every drive. 
       
    71 		TDriveAndMediaAttributes iDriveAndMediaAttributes[KMaxDrives];
       
    72 		};
       
    73 	}
       
    74 
       
    75 #endif // #ifndef CCACHEDDRIVEINFO_H