1 /*

     2 * Copyright (c) 2009 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 header contains the class for MMC insertion, removal service

    15 *

    16 */

    17 #ifndef __MMCSERVICE__H_

    18 #define __MMCSERVICE__H_

    19 

    20 //System includes

    21 #include <e32base.h>

    22 #include <e32property.h>

    23 #include <UikonInternalPSKeys.h>

    24 #ifndef SYMBIAN_ENABLE_SPLIT_HEADERS

    25 #include <schinfo.h>

    26 #else

    27 #include <schinfo.h>

    28 #include <schinfointernal.h>

    29 #endif

    30 

    31 //User includes

    32 #include "DmEventServiceBase.h"

    33 

    34 //The publish subscribe key with condition. Do not alter this unless absolutely needed!

    35 const TPSKey KMMCPSKey(KPSUidUikon,KUikMMCInserted);

    36 //Condition to check when MMC is removed

    37 const TPSKeyCondition KMMCPSKeyConditionInsert(KMMCPSKey.iConditionCategory, KMMCPSKey.iConditionKey, 1, TTaskSchedulerCondition::EEquals);

    38 //Condition to check when MMC is present

    39 const TPSKeyCondition KMMCPSKeyConditionRemove(KMMCPSKey.iConditionCategory, KMMCPSKey.iConditionKey, 0, TTaskSchedulerCondition::EEquals);

    40 

    41 //The task name for this service. Do not alter this unless absolutely needed!

    42 _LIT(KMmcTaskName, "MmcTask");

    43 

    44 /**

    45  *  Derives the base service and implementes service for MMC card insertion and removal

    46  *

    47  *  @since  S60 v5.2

    48  */

    49 NONSHARABLE_CLASS(CMmcService) : public CDmEventServiceBase

    50     {

    51 

    52     public:

    53         /** Two phase construction **/

    54         static CMmcService* CMmcService::NewL();

    55 

    56         static CMmcService* CMmcService::NewLC();

    57 

    58         /** Virtual destructor **/

    59         virtual ~CMmcService();

    60 

    61         /**

    62          * Waits until any MMC activity is complete

    63          *

    64          * @since   S60   v5.2

    65          * @return  None. Can leave with system wide error 

    66          */

    67         void WaitForRequestCompleteL();

    68 

    69         /**

    70          * This functions tells if the publish subscribe key exists or not. It is called

    71          * before registering the condition schedule. 

    72          *

    73          * @since   S60   v5.2

    74          * @return ETrue if exists, otherwise EFalse

    75          */

    76         TBool IsKeyValid();

    77 

    78         /**

    79          * Returns the task name of the service, which should be unique in this application.

    80          *

    81          * @since   S60   v5.2

    82          * @return task name

    83          */

    84         const TDesC& TaskName();

    85         

    86         void UpdateMmcStatus();

    87 

    88     private:

    89         /** Constructors **/

    90         CMmcService();

    91 

    92         CMmcService(const TPSKeyCondition& aPSKeyCondition);

    93 

    94     private:

    95         /** Initializes the members of the class **/

    96         void ConstructL();

    97         

    98         TInt iLookingFor;

    99 

   100     };

   101 

   102 #endif // __MMCSERVICE__H_

   103 // End of File