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 

    19 

    20 #ifndef MMCMONITORUTIL_H

    21 #define MMCMONITORUTIL_H

    22 

    23 //  INCLUDES 

    24 #include <e32base.h>

    25 #include <e32property.h>

    26 #include <driveinfo.h>

    27 #include <common.h>

    28 #include <f32file.h>

    29 #include "mmceventobserver.h"

    30 

    31 /**

    32  * Mmc monitoring

    33  * Implements CActive

    34  */

    35 class CMMCMonitorUtil : public CActive

    36     {

    37 public:

    38     /**

    39      * NewL

    40      * @param MMMCEventObserver* aObserver event observer

    41      * @return CMMCMonitorUtil Monitor item

    42      */

    43     static CMMCMonitorUtil* NewL( MMMCEventObserver* aObserver);

    44 

    45     /**

    46      * Destructor

    47      */

    48     virtual ~CMMCMonitorUtil();

    49 

    50     /**

    51      * StartMonitoring

    52      * Start monitoring mmc

    53      * This function calls CMMCMonitorUtil::RunL() to initiate the MMC status 

    54      * checking.

    55      * @return TBool success status

    56      */

    57     TBool StartMonitoring();

    58 protected: // CActive

    59     /**

    60      * From CActive.

    61      */

    62     void DoCancel();

    63 

    64     /**

    65      * From CActive.

    66      * 

    67      */

    68     void RunL();

    69 

    70     /**

    71      * From CActive.

    72      * @param aError Leave code from RunL()

    73      * @return hard-coded KErrNone

    74      */

    75     TInt RunError( TInt aError );

    76 private:

    77     /**

    78      * MmcStatus

    79      * Utility function that checks the DriveInfo properties of drive

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

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

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

    83      */

    84     TBool MmcStatus( TInt aDriveNumber );

    85     

    86     /**

    87      * Constructor

    88      * @param MMMCEventObserver* aObserver event observer

    89      */

    90     CMMCMonitorUtil( MMMCEventObserver* aObserver );

    91 

    92     /**

    93      * 2nd phase construction

    94      * @param RFs* aFsSession File server session

    95      */

    96     void ConstructL();

    97 private: // data members

    98     // File system handle

    99     RFs iFsSession;

   100     // inserted/ejected status of mmc

   101     TBool iMmcStatus;

   102     // MMC Inserted/ejected property

   103     RProperty iProperty;

   104     //Notify MMC event back to observer

   105     MMMCEventObserver* iObserver;

   106     };

   107 #endif // MMCMONITORUTIL_H

   108