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 *     Scan directories.

    16 *

    17 */

    18 

    19 

    20 #ifndef MSENGDIRECTORYSCANNER_H

    21 #define MSENGDIRECTORYSCANNER_H

    22 

    23 // USER INCLUDES

    24 #include "msengscannerbase.h"

    25 

    26 

    27 // CLASS DECLARATION

    28 

    29 /**

    30 *  This class identifies all subdirectories based upon a given root path

    31 */

    32 class CMsengDirectoryScanner : public CMsengScannerBase

    33     {

    34     public:  // Constructors and destructor

    35         

    36         /**

    37         * C++ default constructor.

    38         */

    39         CMsengDirectoryScanner(MMsengScannerObserver& aObserver, 

    40             CMsengInfoArray& aScanArray, RFs& aFsSession);

    41         

    42         /**

    43         * Destructor.

    44         */

    45         ~CMsengDirectoryScanner();

    46 

    47 		/**

    48 		*

    49 		*/

    50 		enum TScanDirectoryResult

    51 			{

    52 			EContinueToNextDirectory = 0,

    53 			EContinueProcessingCurrentDirectory

    54 			};

    55 

    56     public: // New functions

    57         

    58         /**

    59         * Start the scan operation.

    60         */

    61         void ScanL(const CDesCArray& aRootDirs);

    62 

    63 	protected: // From CMsengScannerBase

    64 

    65         /**

    66         * Do one incremental scanning step

    67         */

    68         virtual TStepResult PerformStepL();

    69 

    70 	protected: // New framework

    71 

    72         /**

    73         * This is called when one directory needs scanning

    74         */

    75         virtual TScanDirectoryResult ScanDirectoryL(const TDesC& aDirectory, RFs& aFsSession) = 0;

    76 

    77         /**

    78         * Use this function to add a new directory to the list of

    79         * directories which require scanning

    80         */

    81         void AppendDirectoryL(const TDesC& aDirectory);

    82 

    83     private:

    84 

    85         /**

    86         *

    87         */

    88         enum TState

    89             {

    90             EExpandingRootDirs = 0,

    91             EParsingExpandedList,

    92             EScanningSubDirs

    93             };

    94 

    95     private:

    96 

    97         /**

    98         *

    99         */

   100         TState iState;

   101 

   102         /**

   103         *

   104         */

   105         TInt iCurrentIndex;

   106 

   107         /**

   108         *

   109         */

   110         CDirScan* iScanner;

   111 

   112         /**

   113         *

   114         */

   115         TInt iNumberOfRootDirectories;

   116 

   117         /**

   118         *

   119         */

   120         CDesCArray* iDirectoryList;

   121     };

   122 

   123 #endif      // MSENGDIRECTORYSCANNER_H   

   124             

   125 // End of File