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 file contains the header file of the 

    15 * CTestCallBack class.

    16 *

    17 */

    18 

    19 #ifndef TESTCALLBACK_H

    20 #define TESTCALLBACK_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>

    24 

    25 // CONSTANTS

    26 // None

    27 

    28 // MACROS

    29 // None

    30 

    31 // DATA TYPES

    32 // None

    33 

    34 // FUNCTION PROTOTYPES

    35 // None

    36 

    37 // FORWARD DECLARATIONS

    38 // None

    39 

    40 // CLASS DECLARATION

    41 

    42 // DESCRIPTION

    43 // Simple class for callbacks.

    44 

    45 class CCallBack 

    46     :public CAsyncCallBack

    47     {

    48     public: // Enumerations

    49 

    50     private: // Enumerations

    51 

    52     public:  // Constructors and destructor

    53         /**

    54         * C++ constructor.

    55         */

    56         //CCallBack( TInt aPriority ):CAsyncCallBack( aPriority ) {}

    57 

    58         /**

    59         * C++ constructor.

    60         */

    61         CCallBack( TCallBack& aCallBack, TInt aPriority ):

    62             CAsyncCallBack( aCallBack, aPriority ) {}

    63 

    64         /**

    65         * C++ destructor.

    66         */

    67         ~CCallBack(){ Cancel(); }

    68 

    69     public: // New functions

    70         /**

    71         * Return reference to TRequestStatus member.

    72         */

    73         TRequestStatus& Status(){ return iStatus; }

    74 

    75         /**

    76         * Set CCallBack active.

    77         */

    78         void SetActive()

    79             { 

    80             iStatus = KRequestPending; 

    81             CActive::SetActive(); 

    82             };

    83 

    84     public: // Functions from base classes

    85 

    86         /**

    87         * Handle completion.

    88         */

    89         void RunL(){ iCallBack.CallBack(); }

    90 

    91     protected:  // New functions

    92 

    93     protected:  // Functions from base classes

    94 

    95     private:

    96 

    97     public:     // Data

    98 

    99     protected:  // Data

   100 

   101     private:    // Data

   102 

   103     public:     // Friend classes

   104 

   105     protected:  // Friend classes

   106 

   107     private:    // Friend classes

   108 

   109     };

   110 

   111 #endif      // TESTCALLBACK_H

   112 

   113 // End of File