1 /*

     2 * Copyright (c) 2005-2006 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:  javaregdirectoryobserver definition

    15 *

    16 */

    17 

    18 

    19 #ifndef JAVAREGDIRECTORYOBSERVER_H

    20 #define JAVAREGDIRECTORYOBSERVER_H

    21 

    22 // INCLUDES

    23 #include <e32base.h>

    24 #include <f32file.h>

    25 #include "mjavaregcacheupdater.h"

    26 

    27 namespace Java

    28 {

    29 namespace Manager

    30 {

    31 namespace Registry

    32 {

    33 

    34 

    35 /**

    36  * This class monitors the changes in the directory given as parameter,

    37  * and notifies the store to update it's cache accordingly.

    38  *

    39  * @since S60 v3.2

    40  */

    41 // CLASS DECLARATION

    42 NONSHARABLE_CLASS(CJavaRegDirectoryObserver) :

    43         public CActive

    44 {

    45 

    46 public:

    47 

    48     /**

    49      * Creates an object of this class.

    50      *

    51      * @since S60 v3.2

    52      * @param aCacheUpdater The object to notify about the changes.

    53      * @param aFs File server session, to subscribe to changes.

    54      * @param aDrive The drive, wich the path in the registry represents.

    55      * @param aPath The path to monitor.

    56      */

    57     static CJavaRegDirectoryObserver* NewL(

    58         MJavaRegCacheUpdater& aCacheUpdater,

    59         RFs& aFs,

    60         TInt aDrive,

    61         const TDesC& aPath);

    62 

    63     /**

    64      * Creates an object of this class.

    65      *

    66      * @since S60 v3.2

    67      * @param aCacheUpdater The object to notify about the changes.

    68      * @param aFs File server session, to subscribe to changes.

    69      * @param aDrive The drive, wich the path in the registry represents.

    70      * @param aPath The path to monitor.

    71      */

    72     static CJavaRegDirectoryObserver* NewLC(

    73         MJavaRegCacheUpdater& aCacheUpdater,

    74         RFs& aFs,

    75         TInt aDrive,

    76         const TDesC& aPath);

    77 

    78     /**

    79      * Destructor

    80      * @since S60 v3.2

    81      */

    82     ~CJavaRegDirectoryObserver();

    83 

    84     /**

    85      * Refreshes the iEntryList member.

    86      *

    87      * @since S60 v3.2

    88      */

    89     void RefreshEntryListL();

    90 

    91     /**

    92      * Returns the iPath member.

    93      *

    94      * @since S60 v3.2

    95      * @return The iPath member.

    96      */

    97     const TDesC& Path() const;

    98 

    99     /**

   100      * Sets the iPath member to the given parameter value.

   101      *

   102      * @since S60 v3.2

   103      * @param aPath The path to monitor.

   104      */

   105     void SetPathL(const TDesC& aPath);

   106 

   107     /**

   108      * Returns the iDrive member.

   109      *

   110      * @since S60 v3.2

   111      * @return The iDrive member..

   112      */

   113     TInt Drive() const;

   114 

   115 public:     // from CActive

   116 

   117     /**

   118      * RunL

   119      */

   120     void RunL();

   121 

   122     /**

   123      * DoCancel

   124      */

   125     void DoCancel();

   126 

   127     /**

   128      * RunError

   129      */

   130     TInt RunError(TInt aError);

   131 

   132 private:

   133 

   134     /**

   135      * Constructor

   136      *

   137      * @since S60 v3.2

   138      * @param aCacheUpdater The object to notify about the changes.

   139      * @param aFs File server session, to subscribe to changes.

   140      * @param aDrive The drive, wich the path in the registry represents.

   141      */

   142     CJavaRegDirectoryObserver(

   143         MJavaRegCacheUpdater& aCacheUpdater,

   144         RFs& aFs,

   145         TInt aDrive);

   146 

   147     /**

   148      * 2nd phase constructor.

   149      *

   150      * @since S60 v3.2

   151      * @param aPath The path to monitor.

   152      */

   153     void ConstructL(const TDesC& aPath);

   154 

   155 private:

   156 

   157     // The object to notify about the changes.

   158     MJavaRegCacheUpdater& iCacheUpdater;

   159 

   160     // File server session, to subscribe to changes.

   161     RFs& iFs;

   162 

   163     // The drive, wich the path in the registry represents.

   164     TInt iDrive;

   165 

   166     // The path to monitor.

   167     TPath iPath;

   168 

   169     // The file-entrylist of the iPath directory.

   170     CDir* iEntryList;

   171 

   172 };

   173 

   174 }//namespace Registry

   175 }//namespace Manager

   176 }//namespace Java

   177 

   178 #endif // JAVAREGDIRECTORYOBSERVER_H

   179 

   180 // End of File