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