1 /*

     2 * Copyright (c) 2002-2006 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 // INCLUDE FILES

    21 #include "AccSrvHandlerBase.h"

    22 #include "acc_debug.h"

    23 

    24 // EXTERNAL DATA STRUCTURES

    25 

    26 // EXTERNAL FUNCTION PROTOTYPES

    27 

    28 // CONSTANTS

    29 

    30 // MACROS

    31 

    32 // LOCAL CONSTANTS AND MACROS

    33 

    34 // MODULE DATA STRUCTURES

    35 

    36 // LOCAL FUNCTION PROTOTYPES

    37 

    38 // FORWARD DECLARATIONS

    39 

    40 // ============================= LOCAL FUNCTIONS ===============================

    41 

    42 // ============================ MEMBER FUNCTIONS ===============================

    43 

    44 // -----------------------------------------------------------------------------

    45 // CAccSrvHandlerBase::CAccSrvHandlerBase

    46 // C++ default constructor can NOT contain any code, that

    47 // might leave.

    48 // -----------------------------------------------------------------------------

    49 //

    50 CAccSrvHandlerBase::CAccSrvHandlerBase() : 

    51     CActive( EPriorityStandard ) //This will exceed accessory server thread priority "EPriorityNormal"

    52     {

    53     //Never called since only NewL(MAccSrvConnectionControllerObserver* aCallback) is defined

    54     TRACE_ASSERT_ALWAYS;

    55     }

    56 

    57 // -----------------------------------------------------------------------------

    58 // CAccSrvHandlerBase::CAccSrvHandlerBase

    59 // -----------------------------------------------------------------------------

    60 //

    61 CAccSrvHandlerBase::CAccSrvHandlerBase( 

    62     MAccSrvConnectionControllerObserver* aCallback) : 

    63     CActive( EPriorityStandard ),//This will exceed accessory server thread priority "EPriorityNormal"

    64     iCallback( aCallback )

    65     {

    66     COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::CAccSrvHandlerBase()" );

    67 

    68     CActiveScheduler::Add( this );//Add the active object to the active scheduler

    69 

    70     COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::CAccSrvHandlerBase - return" );

    71     }

    72 

    73 // Destructor

    74 CAccSrvHandlerBase::~CAccSrvHandlerBase()

    75     {

    76     COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::~CAccSrvHandlerBase()" );

    77 

    78     Cancel();

    79 

    80     COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::~CAccSrvHandlerBase - return" );

    81     }

    82 

    83 

    84 // -----------------------------------------------------------------------------

    85 // CAccSrvHandlerBase::IssueRequest

    86 // Starts asynchronous handling.

    87 // (other items were commented in a header).

    88 // -----------------------------------------------------------------------------

    89 //

    90 void CAccSrvHandlerBase::IssueRequest()

    91     {

    92     COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::IssueRequest()" );

    93 

    94     Cancel();// Latest request will be served because it contains real time

    95              // information e.g. in connection status update

    96 

    97     iStatus = KRequestPending;

    98     SetActive();

    99 

   100     TRequestStatus* status = &iStatus;

   101 

   102     User::RequestComplete(status, KErrNone);//RunL() function will get called

   103 

   104     COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::IssueRequest - return void" );

   105     }

   106 

   107 // -----------------------------------------------------------------------------

   108 // CAccSrvHandlerBase::DoCancel

   109 // (other items were commented in a header).

   110 // -----------------------------------------------------------------------------

   111 //

   112 void CAccSrvHandlerBase::DoCancel()

   113     {

   114     COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::DoCancel()" );

   115 

   116     COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::DoCancel - return void" );

   117     }

   118 

   119 // -----------------------------------------------------------------------------

   120 // CAccSrvHandlerBase::RunError

   121 //

   122 // Called if RunL Leaves and this is not overwritten in inherited class.

   123 // (other items were commented in a header).

   124 // -----------------------------------------------------------------------------

   125 //

   126 TInt CAccSrvHandlerBase::RunError(TInt /*aError*/)

   127     {

   128     COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::RunError()" );

   129 

   130     COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::RunError - return KErrNone" );

   131     return KErrNone;

   132     }

   133 

   134 // End of File