filemanager/Engine/inc/CFileManagerUtils.h
branchRCL_3
changeset 20 491b3ed49290
parent 19 95243422089a
child 21 65326cf895ed
equal deleted inserted replaced
19:95243422089a 20:491b3ed49290
     1 /*
       
     2 * Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0""
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Util methods for File Manager
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef CFILEMANAGERUTILS_H
       
    21 #define CFILEMANAGERUTILS_H
       
    22 
       
    23 
       
    24 // INCLUDES
       
    25 #include <e32base.h>
       
    26 #include <badesca.h>
       
    27 #include <f32file.h>
       
    28 
       
    29 
       
    30 // FORWARD DECLARATIONS
       
    31 class CFileManagerMimeIconArray;
       
    32 class CFileManagerFolderArray;
       
    33 class CCommonContentPolicy;
       
    34 class CGflmNavigatorModel;
       
    35 class CGflmGroupItem;
       
    36 #if defined( __KEEP_DRM_CONTENT_ON_PHONE ) && defined ( FILE_MANAGER_USE_DISTRIBUTABLECHECKER )
       
    37  class CDistributableChecker;
       
    38 #endif // __KEEP_DRM_CONTENT_ON_PHONE && FILE_MANAGER_USE_DISTRIBUTABLECHECKER
       
    39 class CFileManagerFeatureManager;
       
    40 
       
    41 
       
    42 /**
       
    43 *  
       
    44 *  Collection of utility functions for file manager
       
    45 *
       
    46 *  @lib FileManagerEngine.lib
       
    47 *  @since 2.7
       
    48 */
       
    49 NONSHARABLE_CLASS(CFileManagerUtils) : public CBase
       
    50     {
       
    51     public:
       
    52         /**
       
    53         * Two-phased constructors.
       
    54         */
       
    55         static CFileManagerUtils* NewL( 
       
    56             RFs& aFs,
       
    57             CGflmNavigatorModel& aNavigator,
       
    58             CFileManagerFeatureManager& aFeatureManager );
       
    59 
       
    60         /**
       
    61         * Destructor.
       
    62         */
       
    63         ~CFileManagerUtils();
       
    64     public: // New functions
       
    65         
       
    66         /**
       
    67         * Gets the reference to open file server session
       
    68         * @since 2.7
       
    69         * @return reference to open file server session
       
    70         */
       
    71         RFs& Fs() const;
       
    72 
       
    73         /**
       
    74         * Checks is given file forward locked
       
    75         * @since 2.7
       
    76         * @param aFullPath file name with full path
       
    77         * @return ETrue if file is forward locked, EFalse if not.
       
    78         */
       
    79         TBool IsForwardLockedFile( const TDesC& aFullPath );
       
    80 
       
    81         /**
       
    82         * Checks is given file drm protected
       
    83         * @since 2.7
       
    84         * @param aFullPath file name with full path
       
    85         * @return ETrue if file is drm protected, EFalse if not.
       
    86         */
       
    87         TBool IsDrmProtectedFileL( const TDesC& aFullPath ) const;
       
    88         
       
    89         /**
       
    90         * Gets the icon id of the item
       
    91         * @since 2.7
       
    92         * @param aFullPath Item with full path information
       
    93         * @return Icon id of the item. If not found other icon id is used.
       
    94         */
       
    95         TInt ResolveIconL( const TDesC& aFullPath ) const;
       
    96 
       
    97         /**
       
    98         * Checks is given folder a default folder
       
    99         * @since 2.7
       
   100         * @param aFullPath Item with full path information
       
   101         * @return ETrue if folder is default folder, EFalse if not.
       
   102         */
       
   103         TBool DefaultFolder( const TDesC& aFullPath ) const;
       
   104 
       
   105         /**
       
   106         * Checks is given file drm local data file (LDF)
       
   107         * @since 3.1
       
   108         * @param aFullPath file name with full path
       
   109         * @return ETrue if file is local data file, EFalse if not.
       
   110         */
       
   111         TBool IsDrmLocalDataFile( const TDesC& aFullPath ) const;
       
   112 
       
   113         /**
       
   114         * Checks given item that can it be deleted.
       
   115         * @since 3.1
       
   116         * @param aFullPath full path to item which is checked
       
   117         * @returns ETrue if item can be deleted, EFalse if not
       
   118         */
       
   119         TBool CanDelete( const TDesC& aFullPath ) const;
       
   120 
       
   121         /**
       
   122         * Returns the type of given item in CFileManagerItemProperties bitmask
       
   123         * @since 3.1
       
   124         * @param aFullPath full path to item
       
   125         * @return CFileManagerItemProperties bitmask
       
   126         */
       
   127         TUint32 FileTypeL( const TDesC& aFullPath );
       
   128 
       
   129         /**
       
   130         * Gets the icon id of the item
       
   131         * @since 3.1
       
   132         * @param aItem GFLM struct of the item
       
   133         * @return Icon id of the item. If not found other icon id is returned.
       
   134         */
       
   135         TInt ResolveIconL( CGflmGroupItem& aItem ) const;
       
   136 
       
   137         /**
       
   138         * Checks does given folder have any items with specified attributes
       
   139         * @since 3.1
       
   140         * @param aFs open file server session
       
   141         * @param aFullPath folder name with full path
       
   142         * @param aAttMask attribute mask
       
   143         * @return ETrue if folder has any specified items, EFalse if not.
       
   144         */
       
   145         static TBool HasAny(
       
   146             RFs& aFs, const TDesC& aFullPath,  TUint aAttMask );
       
   147 
       
   148         /**
       
   149         * Checks does given folder has any subfolder
       
   150         * @since 3.1
       
   151         * @param aFullPath folder name with full path
       
   152         * @return ETrue if folder has any subfolders, EFalse if not.
       
   153         */
       
   154         TBool HasSubFolders( const TDesC& aFullPath ) const;
       
   155 
       
   156         /**
       
   157         * Checks does given folder has any files
       
   158         * @since 3.1
       
   159         * @param aFullPath folder name with full path
       
   160         * @return ETrue if folder has any files, EFalse if not.
       
   161         */
       
   162         TBool HasFiles( const TDesC& aFullPath ) const;
       
   163 
       
   164         /**
       
   165         * Create default folders
       
   166         * @since 3.2
       
   167         * @param aDrive Drive which default folders are created
       
   168         * @param aForced Selects forced or normal creation
       
   169         */
       
   170         void CreateDefaultFolders(
       
   171             const TInt aDrive, const TBool aForced = ETrue ) const;
       
   172 
       
   173         /**
       
   174         * Checks is path located in remote drive
       
   175         * @since 3.1
       
   176         * @param aPath path to check
       
   177         * @return ETrue if remote drive. Otherwise EFalse.
       
   178         */
       
   179         TBool IsRemoteDrive( const TDesC& aPath ) const;
       
   180 
       
   181         /**
       
   182          * Determine if given file must be protected (kept on the device)
       
   183          * @since 3.1
       
   184          * @param aFullPath file to check
       
   185          * @param aIsProtected for storing result
       
   186          * @return System wide error code
       
   187          */
       
   188         TInt IsDistributableFile( const TDesC& aFullPath,
       
   189                                   TBool& aIsProtected );
       
   190 
       
   191         /**
       
   192         * Gets MIME type of file
       
   193         * @since 3.1
       
   194         * @return MIME type
       
   195         */
       
   196         TPtrC MimeTypeL( const TDesC& aFullPath ) const;
       
   197 
       
   198         /**
       
   199         * Gets drive id array with specified attribute mask
       
   200         * @since 3.2
       
   201         * @param aDrives array for ids
       
   202         * @param aAttMask drive attribute match mask
       
   203         */
       
   204         void DriveList(
       
   205             RArray< TInt >& aDrives, const TInt aAttMask ) const;
       
   206 
       
   207         /**
       
   208         * Checks is drive removable
       
   209         * @since 3.2
       
   210         * @param aPath path to check
       
   211         * @return ETrue if removable drive. Otherwise EFalse
       
   212         */
       
   213         TBool IsRemovableDrive( const TDesC& aPath ) const;
       
   214 
       
   215         /**
       
   216         * Gets item full path
       
   217         * @since 3.2
       
   218         * @param aDir Parent directory path
       
   219         * @param aEntry File system entry
       
   220         * @param aFullPath Full path to item
       
   221         */
       
   222         static void GetFullPath(
       
   223             const TDesC& aDir, const TEntry& aEntry, TDes& aFullPath );
       
   224 
       
   225         /**
       
   226         * Removes final backslash if exists
       
   227         * @since 3.2
       
   228         * @param aPath Directory path
       
   229         * @return Pointer without backslash
       
   230         */
       
   231         IMPORT_C static TPtrC StripFinalBackslash( const TDesC& aPath );
       
   232 
       
   233         /**
       
   234         * Ensures final backslash exists
       
   235         * @since 3.2
       
   236         * @param aPath Directory path
       
   237         */
       
   238         IMPORT_C static void EnsureFinalBackslash( TDes& aPath );
       
   239 
       
   240         /**
       
   241         * Removes all directional chars if exist
       
   242         * @since 3.2
       
   243         * @param aText The text
       
   244         * @return Pointer to cleaned up text, ownership is transferred
       
   245         */
       
   246         static HBufC* StripDirectionalCharsLC( const TDesC& aText );
       
   247 
       
   248         /**
       
   249         * Checks if final backslash exist
       
   250         * @since 3.2
       
   251         * @param aPath Directory path
       
   252         */
       
   253         IMPORT_C static TBool HasFinalBackslash( const TDesC& aPath );
       
   254 
       
   255         /**
       
   256         * Checks if file is copied/moved from internal to removable drive
       
   257         * @since 3.2
       
   258         * @param aFs Open file server session
       
   259         * @param aSrcPath Source directory path
       
   260         * @param aDstPath Destination directory path
       
   261         * @return ETrue if from internal to removable, otherwise EFalse
       
   262         */
       
   263         IMPORT_C static TBool IsFromInternalToRemovableDrive(
       
   264             RFs& aFs, const TDesC& aSrcPath, const TDesC& aDstPath );
       
   265 
       
   266         /**
       
   267         * Removes read only attribute if it is set for given item
       
   268         * @since 3.2
       
   269         * @param aFs Open file server session
       
   270         * @param aFullPath Full path of the item
       
   271         * @param aEntry Entry data of the item
       
   272         * @return System wide error code
       
   273         */
       
   274         static TInt RemoveReadOnlyAttribute(
       
   275             RFs& aFs, const TDesC& aFullPath, const TEntry& aEntry );
       
   276 
       
   277         /**
       
   278         * Removes read only attribute if it is set for given item
       
   279         * @since 3.2
       
   280         * @param aFs Open file server session
       
   281         * @param aFullPath Full path of the item
       
   282         * @return System wide error code
       
   283         */
       
   284         static TInt RemoveReadOnlyAttribute(
       
   285             RFs& aFs, const TDesC& aFullPath );
       
   286 
       
   287         /* Drive name layouts for selecting the most suitable text */
       
   288         enum TDriveNameLayout
       
   289             {
       
   290             EMainLayout = 0,
       
   291             ETitleLayout,
       
   292             ELayoutCount  // Must be the last
       
   293             };
       
   294 
       
   295         /**
       
   296         * Gets drive name and letter as combined single text.
       
   297         * @since 5.0
       
   298         * @param aDrive Drive number EDriveA...EDriveZ
       
   299         * @param aLayout Text layout. See TDriveNameLayout.
       
   300         * @return Text containing drive letter and name
       
   301         */
       
   302         HBufC* GetDriveNameL(
       
   303             const TInt aDrive,
       
   304             const TDriveNameLayout aLayout ) const;
       
   305 
       
   306         /**
       
   307         * Gets drive name and letter as combined formatted text.
       
   308         * @since 5.0
       
   309         * @param aDrive Drive number EDriveA...EDriveZ
       
   310         * @param aTextIdForDefaultName TextId of default name format string
       
   311         * @param aTextIdForName TextId of name format string
       
   312         * @return Text containing drive letter and name
       
   313         */
       
   314         HBufC* GetFormattedDriveNameLC(
       
   315             const TInt aDrive,
       
   316             const TInt aTextIdForDefaultName,
       
   317             const TInt aTextIdForName ) const;
       
   318 
       
   319         /**
       
   320         * Checks is path located in remote drive
       
   321         * @since 3.2
       
   322         * @param aFs Open file server session
       
   323         * @param aPath path to check
       
   324         * @return ETrue if remote drive, otherwise EFalse
       
   325         */
       
   326         IMPORT_C static TBool IsRemoteDrive( RFs& aFs, const TDesC& aPath );
       
   327 
       
   328         /**
       
   329         * Returns localized name of the given item
       
   330         * @since 3.2
       
   331         * @param aFullPath full path to item which is checked
       
   332         * @returns TPtrC reference to localized name,
       
   333         *          KNullDesC if no localization is used
       
   334         */
       
   335         TPtrC LocalizedName( const TDesC& aFullPath ) const;
       
   336 
       
   337         /**
       
   338         * Checks is name found, the comparison includes localized folder names
       
   339         * @since 3.2
       
   340         * @param aFullPath full path to item which is checked
       
   341         * @returns ETrue if name is found, otherwise EFalse. 
       
   342         */
       
   343         TBool IsNameFoundL( const TDesC& aFullPath ) const;
       
   344         
       
   345         /**
       
   346         * Flush Cache
       
   347         */
       
   348         void FlushCache() const;
       
   349         
       
   350     private:
       
   351         /**
       
   352         * C++ default constructor.
       
   353         */
       
   354         CFileManagerUtils( 
       
   355             RFs& aFs,  
       
   356             CGflmNavigatorModel& aNavigator,
       
   357             CFileManagerFeatureManager& aFeatureManager );
       
   358 
       
   359         void ConstructL();
       
   360 
       
   361         static void IsFlkOrLdfFileL(
       
   362             const TDesC& aFullPath, TBool& aIsFlk, TBool& aIsLdf );
       
   363 
       
   364         static TBool IsInternalDrive( RFs& aFs, const TInt aDrive );
       
   365 
       
   366         CDesCArray* GetDriveNameArrayLC(
       
   367             const TInt aDrive,
       
   368             TUint& aDriveStatus ) const;
       
   369 
       
   370         static TBool IsDrive(
       
   371             RFs& aFs, const TDesC& aPath, const TUint aAttMask );
       
   372 
       
   373         static TBool IsDrive(
       
   374             RFs& aFs, const TInt aDrive, const TUint aAttMask );
       
   375 
       
   376     private: 
       
   377     
       
   378         // Ref: reference to open file server session
       
   379         RFs&    iFs;
       
   380 
       
   381         //Own: List of default folders
       
   382         CFileManagerFolderArray*    iDefaultFolders;
       
   383 
       
   384         // Own: Handle to common content policy service to find 
       
   385         // out is file in a Closed Content List or forward locked
       
   386         CCommonContentPolicy*       iCommonContentPolicy;
       
   387 
       
   388         // Own: Mime icon mapper
       
   389         CFileManagerMimeIconArray*  iMimeIconMapper;
       
   390 
       
   391         // Ref: GFLM navigator instance
       
   392         CGflmNavigatorModel&        iNavigator;
       
   393 
       
   394 #if defined( __KEEP_DRM_CONTENT_ON_PHONE ) && defined ( FILE_MANAGER_USE_DISTRIBUTABLECHECKER )
       
   395         // Own: content protection checking
       
   396         CDistributableChecker*      iDistributableChecker;
       
   397 #endif // __KEEP_DRM_CONTENT_ON_PHONE && FILE_MANAGER_USE_DISTRIBUTABLECHECKER
       
   398 
       
   399         // Flag to indicate if feature is supported
       
   400         TBool iDrmFullSupported;
       
   401 
       
   402         // Ref: reference to feature manager
       
   403         CFileManagerFeatureManager& iFeatureManager;
       
   404 
       
   405     };
       
   406 
       
   407 #endif      // CFILEMANAGERUTILS_H
       
   408             
       
   409 // End of File