profilesservices/ProfileEngine/tsrc/public/basic/WrapperMdlTest/inc/MT_CSchedulerUtility.h
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     1 /*
       
     2 * Copyright (c) 2002-2004 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 singleton class takes care of creation of different other
       
    15 *                classes needed in PECProfiles.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 
       
    21 #ifndef MT_CSCHEDULERUTILITY_H
       
    22 #define MT_CSCHEDULERUTILITY_H
       
    23 
       
    24 //  INCLUDES
       
    25 #include <e32base.h>
       
    26 
       
    27 // FORWARD DECLARATIONS
       
    28 
       
    29 // CLASS DECLARATION
       
    30 
       
    31 /**
       
    32 * A singleton class used to handle starting and stopping a new scheduler-loop
       
    33 * This stops the scheduler loop if it was started by this class.
       
    34 *
       
    35 *  @lib Profiles_PEC.lib
       
    36 *  @since 3.0
       
    37 */
       
    38 class MT_CSchedulerUtility : public CBase
       
    39     {
       
    40     public: // New functions
       
    41         
       
    42         /**
       
    43         * Create and return instance of MT_CSchedulerUtility.
       
    44         * @since 3.0
       
    45         * @return instance of MT_CSchedulerUtility
       
    46         */
       
    47         //?type ?member_function( ?type ?arg1 );
       
    48         static MT_CSchedulerUtility* InstanceL();
       
    49 
       
    50         /**
       
    51         * Destroys the scheduler utility instance.
       
    52         * @since 3.0
       
    53         */
       
    54         static void Release();
       
    55 
       
    56         /**
       
    57          * Starts a new scheduler loop if one isn't already started.
       
    58          * @since 3.0
       
    59          */
       
    60         void Start();
       
    61 
       
    62         /**
       
    63          * Stops a scheduler loop if it was started by this class.
       
    64          * @since 3.0
       
    65          */
       
    66         void Stop();
       
    67 
       
    68     private:
       
    69 
       
    70         /**
       
    71         * Two-phased constructor.
       
    72         */
       
    73         static MT_CSchedulerUtility* NewL();
       
    74         
       
    75         /**
       
    76         * Destructor.
       
    77         */
       
    78         virtual ~MT_CSchedulerUtility();
       
    79 
       
    80         /**
       
    81         * C++ default constructor.
       
    82         */
       
    83         MT_CSchedulerUtility();
       
    84 
       
    85         /**
       
    86         * By default Symbian 2nd phase constructor is private.
       
    87         */
       
    88         void ConstructL();
       
    89 
       
    90     private:    // Data
       
    91          
       
    92         CActiveSchedulerWait* iWait;
       
    93     };
       
    94 
       
    95 #endif      // MT_CSCHEDULERUTILITY_H
       
    96             
       
    97 // End of File
       
    98