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:  A base class for active handlers

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CACCSRVHANDLERBASE_H

    21 #define CACCSRVHANDLERBASE_H

    22 

    23 // INCLUDE FILES

    24 #include <e32base.h>

    25 

    26 // CONSTANTS

    27 

    28 // MACROS

    29 

    30 // DATA TYPES

    31 

    32 // FUNCTION PROTOTYPES

    33 

    34 // FORWARD DECLARATIONS

    35 class MAccSrvConnectionControllerObserver;

    36 

    37 // CLASS DECLARATION

    38 

    39 /**

    40 *  Base class for asynchronous handlers.

    41 *  Class is meant only for inheritance.

    42 *

    43 *  @lib AccServer.lib

    44 *  @since S60 3.1

    45 */

    46 NONSHARABLE_CLASS( CAccSrvHandlerBase ) : public CActive

    47     {

    48     public:  // Constructors and destructor

    49 

    50         /**

    51         * Destructor.

    52         */

    53         virtual ~CAccSrvHandlerBase();

    54 

    55     public: // New functions

    56 

    57         /**

    58         * Function provided by this active object for starting asynchronous handling.

    59         *

    60         * @since S60 3.1

    61         * @return void

    62         */

    63         void IssueRequest();

    64 

    65     protected:  // Functions from base classes

    66 

    67         /**

    68         * From CActive

    69         * Handles an active object's request completion event.

    70         *

    71         * @since S60 3.1

    72         * @return void

    73         */

    74         virtual void RunL()=0;

    75 

    76         /**

    77         * Implements cancellation of an outstanding request.

    78         * This function is called as part of the active object's Cancel().

    79         *

    80         * @since S60 3.1

    81         * @return void

    82         */

    83         void DoCancel();

    84 

    85 

    86         /**

    87         * From CActive

    88         * The active scheduler calls this function if this active object's

    89         * RunL() function leaves.

    90         *

    91         * @since S60 3.1

    92         * @param aError The leave code

    93         * @return KErrNone, when error has been handled

    94         */

    95         virtual TInt RunError( TInt aError );

    96 

    97     protected:  // New functions

    98 

    99         /**

   100         * C++ default constructor.

   101         */

   102         CAccSrvHandlerBase();

   103 

   104         /**

   105         * Constructor with notify handling.

   106         */

   107         CAccSrvHandlerBase( MAccSrvConnectionControllerObserver* aCallback );

   108 

   109     protected:  // Functions from base classes

   110 

   111     private:

   112 

   113     public:     // Data

   114 

   115     protected:  // Data

   116 

   117         MAccSrvConnectionControllerObserver* iCallback; //not owned

   118 

   119     private:    // Data

   120 

   121     public:     // Friend classes

   122 

   123     protected:  // Friend classes

   124 

   125     private:    // Friend classes

   126 

   127 };

   128 

   129 #endif      // CACCSRVHANDLERBASE_H

   130 

   131 // End of File