1 /*

     2 * Copyright (c) 2002-2006 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:  This AO is signaled when directory entry is added or removed 

    15 *                from file system

    16 *

    17 */

    18 

    19 

    20 #ifndef CFILEMANAGERFILESYSTEMEVENT_H

    21 #define CFILEMANAGERFILESYSTEMEVENT_H

    22 

    23 

    24 // INCLUDES

    25 #include <e32base.h>

    26 #include <f32file.h>

    27 

    28 

    29 // FORWARD DECLARATIONS

    30 class CFileManagerEngine;

    31 

    32 

    33 // CLASS DECLARATION

    34 

    35 /**

    36 *  This class listens file system events

    37 *

    38 *  @lib FileManagerEngine.lib

    39 *  @since 2.0

    40 */

    41 NONSHARABLE_CLASS(CFileManagerFileSystemEvent) : public CActive

    42     {

    43     public:  // Constructors and destructor

    44 

    45         /**

    46         * Two-phased constructor.

    47         */

    48         static CFileManagerFileSystemEvent* NewL( RFs& aFs, 

    49             CFileManagerEngine& aEngine,

    50             TNotifyType aNotifyType, 

    51             const TDesC& aFullPath = KNullDesC );

    52 

    53         /**

    54         * Destructor.

    55         */

    56         virtual ~CFileManagerFileSystemEvent();

    57 

    58     public:

    59 

    60         /**

    61         * Sets file system event

    62         * @since 2.0

    63         */

    64         void Setup();

    65 

    66         /**

    67         * This calls refresh if file system event has happened

    68         * @since 2.0

    69         */

    70         void CheckFileSystemEvent();

    71 

    72 

    73     protected:  // Functions from base classes

    74 

    75         /**

    76         * From CActive Called when asynchronous request has completed

    77         * @since 2.0

    78         */

    79         void RunL();

    80 

    81         /**

    82         * From CActive Called when asynchronous request has failed

    83         * @since 2.0

    84         */

    85         TInt RunError( TInt aError );

    86 

    87         /**

    88         * From CActive Called when asynchronous request was cancelled

    89         * @since 2.0

    90         */

    91         void DoCancel();

    92 

    93     private:

    94         /**

    95         * By default Symbian 2nd phase constructor is private.

    96         */

    97         void ConstructL( const TDesC& aFullPath );

    98 

    99         /**

   100         * C++ default constructor.

   101         */

   102         CFileManagerFileSystemEvent(

   103             RFs& aFs, 

   104             CFileManagerEngine& aEngine,

   105             TNotifyType aNotifyType );

   106 

   107     private:    // Data

   108         // Ref: Reference to opened File System session

   109         RFs& iFs;

   110 

   111         // Ref: This object is called when RunL occurs

   112         CFileManagerEngine& iEngine;

   113 

   114         // Type of the notify, entry or disk.

   115         TNotifyType iNotifyType;

   116 

   117         // Full path of folder from where notification is needed

   118         HBufC* iFullPath;

   119 

   120         // Indicates if the event has been received

   121         TBool iIsReceived;

   122 

   123     };

   124 

   125 #endif // CFILEMANAGERFILESYSTEMEVENT_H

   126 

   127 // End of File