1 /*

     2 * Copyright (c) 2010 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:  Mmc monitor

    15 *

    16 */

    17 

    18 #ifndef CMMCMONITOR_H

    19 #define CMMCMONITOR_H

    20 

    21 //  INCLUDES 

    22 #include <e32base.h>

    23 #include <e32property.h>

    24 #include <driveinfo.h>

    25 #include <common.h>

    26 #include "fastfindfileserverpluginclient.h"

    27 

    28 // FORWARD DECLARATIONS

    29 class CFilePlugin;

    30 

    31 /**

    32  * Mmc monitoring

    33  * Implements CActive

    34  */

    35 class CMMCMonitor : public CActive

    36     {

    37     public:

    38         /**

    39          * NewL

    40          * @param CFilePlugin& aFilePlugin File plugin handle

    41          * @param RFs* aFsSession File server handle

    42          * @return CMMCMonitor Monitor item

    43          */

    44         static CMMCMonitor* NewL( CFilePlugin& aFilePlugin, RFs* aFsSession );

    45 

    46         /**

    47          * Destructor

    48          */

    49         virtual ~CMMCMonitor();

    50 

    51         /**

    52          * StartMonitoring

    53          * Start monitoring mmc

    54          * This function calls CMMCMonitor::RunL() to initiate the MMC status 

    55          * checking.

    56          * @return TBool success status

    57          */

    58         TBool StartMonitoring();

    59 

    60         /**

    61          * MmcStatus

    62          * Utility function that checks the DriveInfo properties of drive

    63          * aDriveNumber to decide if aDriveNumber is an MMC drive or not.

    64          * @param aDriveNumber, the drive of the Mmc.

    65          * @return ETrue indicates that aDriveNumber is a MMC drive.

    66          */

    67         TBool MmcStatus( TInt aDriveNumber );

    68 

    69     protected: // CActive

    70         /**

    71          * From CActive.

    72          */

    73         void DoCancel();

    74 

    75         /**

    76          * From CActive.

    77          * 

    78          */

    79         void RunL();

    80 

    81         /**

    82          * From CActive.

    83          * @param aError Leave code from RunL()

    84          * @return hard-coded KErrNone

    85          */

    86         TInt RunError( TInt aError );

    87 

    88     private:

    89         /**

    90          * Constructor

    91          * @param CFilePlugin& aFilePlugin File plugin

    92          */

    93         CMMCMonitor( CFilePlugin& aFilePlugin );

    94 

    95         /**

    96          * 2nd phase construction

    97          * @param RFs* aFsSession File server session

    98          */

    99         void ConstructL( RFs* aFsSession );

   100 

   101     private: // data members

   102         // handle to file plugin main class

   103         CFilePlugin& iFilePlugin;

   104         // file monitor client engine

   105         RFastFindFSPEngine iEngine;

   106         // File system handle

   107         RFs* iFsSession;

   108         // inserted/ejected status of mmc

   109         TBool iMmcStatus;

   110         // MMC Inserted/ejected property

   111         RProperty iProperty;

   112     };

   113 

   114 #endif // CMMCMONITOR_H

   115