profilesservices/FileList/Inc/CFLDFileListModel.h
branchRCL_3
changeset 54 7e0eff37aedb
parent 0 8c5d936e5675
equal deleted inserted replaced
53:8ee96d21d9bf 54:7e0eff37aedb
       
     1 /*
       
     2 * Copyright (c) 2002 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: 
       
    15 * This class implements a model of a file list.
       
    16 * The class is inherited from MDesCArray, so it can be used directly
       
    17 * as a model for a listbox.
       
    18 *
       
    19 *
       
    20 */
       
    21 
       
    22 
       
    23 
       
    24 #ifndef __CFLDFILELISTMODEL_H__
       
    25 #define __CFLDFILELISTMODEL_H__
       
    26 
       
    27 // INTERNAL INCLUDES
       
    28 
       
    29 // EXTERNAL INCLUDES
       
    30 #include <e32base.h>
       
    31 #include <bamdesca.h>
       
    32 #include <badesca.h>
       
    33 #include <CLFContentListing.hrh>
       
    34 #include <MCLFChangedItemObserver.h>
       
    35 #include <MCLFPostFilter.h>
       
    36 
       
    37 // FORWARD DECLARATIONS
       
    38 class CFLDOperationObserver;
       
    39 class CFLDChangedItemObserver;
       
    40 class MCLFContentListingEngine;
       
    41 class MCLFItemListModel;
       
    42 class CFLDEntryReference;
       
    43 class MFLDEntryFormatter;
       
    44 class CFLDWaitNote;
       
    45 class RConeResourceLoader;
       
    46 class TResourceReader;
       
    47 class MCLFModifiableItem;
       
    48 class CFLDPopupList;
       
    49 
       
    50 //  CLASS DECLARATION
       
    51 /**
       
    52 * This class implements a model of a file list.
       
    53 * The class is inherited from MDesCArray, so it can be used directly
       
    54 * as a model for a listbox.
       
    55 *
       
    56 * @lib filelist.lib
       
    57 * @since 2.1
       
    58 */
       
    59 NONSHARABLE_CLASS( CFLDFileListModel )
       
    60     : public CBase, public MDesCArray, public MCLFPostFilter
       
    61     {
       
    62     public:     // Constructors and destructors
       
    63 
       
    64 		/**
       
    65         * Two-phased static constructor.
       
    66         * @param aModelResourceId A CLF model resource, see CLFContentListing.rh
       
    67         * @param aDirectoriesResourceId A resource using FILELISTDIRECTORIES
       
    68         * structure, see FileListModel.rh for details
       
    69         * @return A pointer to a constructed CFLDFileListModel object
       
    70         */
       
    71         static CFLDFileListModel* NewL(
       
    72          const TInt aModelResourceId, const TInt aDirectoriesResourceId );
       
    73 
       
    74         /**
       
    75         * Two-phased static constructor.
       
    76         * @param aModelResourceId A CLF model resource, see CLFContentListing.rh
       
    77         * @param aDirectoriesResourceId A resource using FILELISTDIRECTORIES
       
    78         * structure, see FileListModel.rh for details
       
    79         * @return A pointer to a constructed CFLDFileListModel object
       
    80         */
       
    81         static CFLDFileListModel* NewLC(
       
    82          const TInt aModelResourceId, const TInt aDirectoriesResourceId );
       
    83 
       
    84         /**
       
    85         * Destructor.
       
    86         */
       
    87         virtual ~CFLDFileListModel();
       
    88 
       
    89     private:  // Constructors and destructors
       
    90 
       
    91         /**
       
    92         * Constructor
       
    93         */
       
    94         CFLDFileListModel();
       
    95 
       
    96         /**
       
    97         * Second phase constructor
       
    98         * @param aModelResourceId A CLF model resource, see CLFContentListing.rh
       
    99         * @param aDirectoriesResourceId A resource using FILELISTDIRECTORIES
       
   100         * structure, see FileListModel.rh for details
       
   101         */
       
   102         void ConstructL(
       
   103          const TInt aModelResourceId, const TInt aDirectoriesResourceId );
       
   104 
       
   105     public:     // New methods
       
   106 
       
   107     	/**
       
   108         * Returns file media type
       
   109         * @param aFileName A descriptor containing the media file name
       
   110         * @return Media file type (see TCLFMediaType enumeration
       
   111 		* inside CFLContentListing.hrh)
       
   112         */
       
   113     	TInt32 MediaFileType( const TDesC& aFileName ) const;
       
   114 
       
   115     	/**
       
   116 		* Adds a new MIME type into blocking list.
       
   117 		* @param aMimeType The blocked MIME type
       
   118         */
       
   119     	void AddExclusiveMimeTypeL( const TDesC& aMimeType );
       
   120 
       
   121     	/**
       
   122 		* Adds a new media type into blocking list.
       
   123 		* @param aMediaType The blocked media type (see TCLFMediaType enumeration
       
   124 		* inside CFLContentListing.hrh)
       
   125         */
       
   126     	void AddExclusiveMediaTypeL( const TInt32 aMediaType );
       
   127 
       
   128     	/**
       
   129 		* Removes all the defined exlusive MIME types
       
   130         */
       
   131     	void ResetExclusiveMimeTypes();
       
   132 
       
   133     	/**
       
   134 		* Removes all the defined exlusive media types
       
   135         */
       
   136     	void ResetExclusiveMediaTypes();
       
   137 
       
   138     	/**
       
   139 		* Sets wanted mime types. Overrides all settings defined inside
       
   140 		* resource, defined with AddExclusive -methods or with
       
   141 		* SetWanted -methods.
       
   142 		* @param aMimeTypes The array containing wanted MIME types
       
   143         */
       
   144     	void SetWantedMimeTypesL( const MDesCArray& aMimeTypes );
       
   145 
       
   146      	/**
       
   147 		* Sets wanted media types. Overrides all settings defined inside
       
   148 		* resource, defined with AddExclusive -methods or with
       
   149 		* SetWanted -methods.
       
   150 		* @param aMediaTypes The array containing wanted media types
       
   151         */
       
   152     	void SetWantedMediaTypesL( const TArray<TCLFMediaType>& aMediaTypes );
       
   153 
       
   154      	/**
       
   155         * Refreshes the file list.
       
   156         */
       
   157         void RefreshEntryListL();
       
   158 
       
   159     	/**
       
   160 		* Sets popup list to Model. Needed to update the listbox after the
       
   161 		* model has changed (e.g. after inserting a memory card).
       
   162 		* @param aPopupList The popup list
       
   163         */
       
   164 		void SetPopupList( CFLDPopupList* aPopupList );
       
   165 
       
   166     	/**
       
   167         * Retrieves a full path of an entry (e.g. "c:\folder\file.ext")
       
   168         * @param aFileName A modifiable descriptor where the path and filename
       
   169         *        is placed, or KNullDesc if aIndex points to the null text item.
       
   170         *        Note: aFileName.Length() >= KMaxFileName
       
   171         * @param aIndex Index of the entry to retrieve
       
   172         */
       
   173         void GetFileName( TDes& aFileName, const TInt aIndex );
       
   174 
       
   175 	    /**
       
   176         * Sets an MFLDEntryFormatter inherited for the model. Ownership of the given
       
   177         * object is transferred to CFLDFileListModel.
       
   178         * @param aFormatter A pointer to a MFLDEntryFormatter inherited object.
       
   179         */
       
   180         void SetEntryFormatter( MFLDEntryFormatter* aFormatter );
       
   181 
       
   182      	/**
       
   183         * Adds a text (e.g. "None") as the first item of the list,
       
   184         * which will not be sorted among the file name items.
       
   185         * @param aItemText A descriptor containing the null item text
       
   186         */
       
   187         void InsertNullItemL( const TDesC& aItemText );
       
   188 
       
   189         /**
       
   190         * Adds a text (e.g. "None") as the first item of the list,
       
   191         * which will not be sorted among the file name items.
       
   192         * @param aItemText A descriptor containing the null item text
       
   193         * @param aFileName A descriptor containing the ringing tone file name form null item
       
   194         */
       
   195         void InsertNullItemL( const TDesC& aItemText, const TDesC& aFileName );
       
   196 
       
   197         /**
       
   198         * Adds a text (e.g. "None") as the last item of the list,
       
   199         * which will not be sorted among the file name items.
       
   200         * @param aItemText A descriptor containing the null item text
       
   201         */
       
   202         void InsertEndNullItemL( const TDesC& aItemText );
       
   203 
       
   204         /**
       
   205         * Adds a text (e.g. "None") as the last item of the list,
       
   206         * which will not be sorted among the file name items.
       
   207         * @param aItemText A descriptor containing the null item text
       
   208         * @param aFileName A descriptor containing the ringing tone file name form null item
       
   209         */
       
   210         void InsertEndNullItemL( const TDesC& aItemText, const TDesC& aFileName );
       
   211 
       
   212         /**
       
   213         * Find a file from the model's list
       
   214         * @param aFileName The file name to be searched
       
   215         * @return An index to the searched file, or KErrNotFound
       
   216         */
       
   217         TInt FindFileL( const TDesC& aFileName );
       
   218         
       
   219         /**
       
   220         * Sets the maximum file size for the list.
       
   221         * @param aMaxFileSize The maximum file size in bytes. If you want to allow all file
       
   222         *        sizes, set this to KFLDNoSizeFiltering (defined in FileListModel.hrh).
       
   223         */
       
   224         void SetMaxFileSize( const TInt aMaxFileSize );
       
   225         
       
   226         /**
       
   227          * Returns PopupList.
       
   228          */
       
   229         CFLDPopupList* GetPopupList();
       
   230 
       
   231     private:     // Methods derived from MDesCArray
       
   232 
       
   233         TPtrC16 MdcaPoint( TInt aIndex ) const;
       
   234         
       
   235         TInt MdcaCount() const;
       
   236     
       
   237     private:	// Methods derived from MCLFPostFilter
       
   238     
       
   239         void FilterItemsL( const TArray<MCLFItem*>& aItemList,
       
   240                                 RPointerArray<MCLFItem>& aFilteredItemList );
       
   241 
       
   242 	private:	// New methods
       
   243 
       
   244 		/*
       
   245 		* Checks if file needs to be filtered out from model
       
   246 		* @param aMimeType Media MIME type
       
   247 		* @param aMediaType Media type
       
   248 		* @param aPathAndFileName Path and filename
       
   249 		* @return EFalse if MO should be filtered out
       
   250 		*/
       
   251 		TBool CheckRules( 
       
   252 		 TPtrC& aMimeType, TInt32 aMediaType, TPtrC& aPathAndFileName );
       
   253 
       
   254         /**
       
   255         * Fill the entry reference list according to the added directories list
       
   256         * and filtering parameters
       
   257         */
       
   258         void PopulateReferenceListL();
       
   259 
       
   260          /**
       
   261         * List all files from the list model to the list box.
       
   262         */
       
   263         void PopulateListBoxL();
       
   264 
       
   265         /**
       
   266 		* Gets a filename at specific index.
       
   267 		* @param aIndex Index of the file (whole list is indexed)
       
   268 		* @param aFileName Descriptor where the filename is stored.
       
   269 		*/
       
   270 		void GetFileNameAtIndex( TInt aIndex, TDes& aFileName ) const;
       
   271 		
       
   272 		/**
       
   273 		* Scans user defined Rom directories and adds found entries
       
   274 		* into iRomRingingToneArray
       
   275 		*/
       
   276 		void ScanRomDirectoriesL();
       
   277 		
       
   278 		/**
       
   279 		* Scans user defined Rom directories and adds found entries
       
   280 		* into iRomRingingToneArray
       
   281 		*/
       
   282 		void ScanRomDirectoriesAndInsertL();
       
   283 
       
   284 		/**
       
   285 		* Adds directory into iDirectoryPaths
       
   286 		* @param aDirectory Directory to be scanned
       
   287 		*/
       
   288 		TInt AddDirectoryL( const TDesC& aDirectory );
       
   289 
       
   290 		/**
       
   291 		* Adds directory into iRomDirectoryPaths
       
   292 		* @param aDirectory Directory to be scanned
       
   293 		*/
       
   294 		TInt AddRomDirectoryL( const TDesC& aDirectory );
       
   295 		
       
   296 		/**
       
   297 		* Loads directories from resource file
       
   298 		* @param aDirectoriesResourceId Resource ID to directory structure
       
   299 		*/
       
   300  		void LoadDirectoriesL( const TInt aDirectoriesResourceId );
       
   301 
       
   302  		/**
       
   303          * Checks ringing tone file size.
       
   304          * @param aFile         file to check.
       
   305          * @param aSizeLimit  maximum allowed file size in bytes.
       
   306          * @return KErrNone, if ok.
       
   307          *         KErrTooBig, if configurable file size limit exceeded.
       
   308          */
       
   309         TInt CheckToneFileSizeL( const TDesC& aFile, TInt aSizeLimit );
       
   310 
       
   311     private:  // Data
       
   312 
       
   313         /// Own: Content listing engine
       
   314         MCLFContentListingEngine* iEngine;
       
   315 
       
   316         /// Own: Content listing model
       
   317         MCLFItemListModel* iModel;
       
   318 
       
   319          /// Own: Content listeng operation observer
       
   320         CFLDOperationObserver* iObserver;
       
   321         
       
   322          /// Own: Content listeng operation observer
       
   323         CFLDChangedItemObserver* iChangedItemObserver;
       
   324 
       
   325         /// Own: MFLDEntryFormatter to use in formatting the entries
       
   326         MFLDEntryFormatter* iEntryFormatter;
       
   327 
       
   328 		/// Own: Wait note dialog for indicating refreshing process of the List Model
       
   329         CFLDWaitNote* iWaitNote;
       
   330     
       
   331     	/// Contains references to all the entries. This is the list that
       
   332         /// gets sorted and filtered
       
   333         RPointerArray<CFLDEntryReference> iEntryReferences;
       
   334 
       
   335         /// Optional text items in the beginning of the list
       
   336         RPointerArray<HBufC> iNullTextArray;
       
   337 
       
   338         /// Optional ringing tones for null texts
       
   339         RPointerArray<HBufC> iNullTextRingingToneArray;
       
   340 
       
   341         /// Optional text items in the end of the list
       
   342         RPointerArray<HBufC> iEndNullTextArray;
       
   343 
       
   344         /// Optional ringing tones for end null items
       
   345         RPointerArray<HBufC> iEndNullTextRingingToneArray;
       
   346 
       
   347         /// For waiting the asynchronous refresh operation to complete
       
   348         CActiveSchedulerWait iWait;
       
   349 
       
   350         /// Array for exclusive mimetypes.
       
   351 		CDesCArraySeg iExclusiveMimeTypes;
       
   352 
       
   353 		/// Array for exclusive mediatypes.
       
   354 		RArray<TInt32> iExclusiveMediaTypes;
       
   355 				
       
   356 	    /// Contains descriptors containing
       
   357 	    /// the user-defined phone directory paths
       
   358         CDesCArraySeg iDirectoryPaths;
       
   359         
       
   360         /// Contains descriptors containing
       
   361         /// the user-defined ROM directory paths
       
   362         CDesCArraySeg iRomDirectoryPaths;
       
   363 		
       
   364 		/// Array for user-defined ringingtones
       
   365 		RPointerArray<MCLFModifiableItem> iRomRingingToneArray;
       
   366 		
       
   367         /// Maximum file size in bytes
       
   368         TInt iMaxFileSize;
       
   369 
       
   370         /// Popup list
       
   371 		CFLDPopupList* iPopupList;
       
   372 		
       
   373 		/// Using ROM tones only
       
   374 		TBool iRomTonesOnly;
       
   375     };
       
   376 
       
   377 #endif      //  __CFLDFILELISTMODEL_H__
       
   378 
       
   379 // End of File