1 /*

     2 * Copyright (c) 2007 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 the License "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:    Singleton to hold server session*

    15 */

    16 

    17 

    18 

    19 

    20 // INCLUDE FILES

    21 #include "CCRServerHandleSingleton.h"

    22 

    23 // CONSTANTS

    24 // None

    25 

    26 // ============================ MEMBER FUNCTIONS ===============================

    27 

    28 // -----------------------------------------------------------------------------

    29 //

    30 // -----------------------------------------------------------------------------

    31 //

    32 CCRServerHandleSingleton::CCRServerHandleSingleton() : iReferenceCount( 1 )

    33     {

    34     // None

    35     }

    36 

    37 // -----------------------------------------------------------------------------

    38 //

    39 // -----------------------------------------------------------------------------

    40 //

    41 CCRServerHandleSingleton::~CCRServerHandleSingleton()

    42     {

    43     iService.Close();

    44     iClient.Close();

    45     }

    46 

    47 // -----------------------------------------------------------------------------

    48 //

    49 // -----------------------------------------------------------------------------

    50 //

    51 void CCRServerHandleSingleton::ConstructL()

    52     {

    53     User::LeaveIfError( iClient.Connect() );

    54 	User::LeaveIfError( iService.Open( iClient ) );

    55     }

    56 

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

    58 // Returns the singleton instance.

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

    60 //

    61 CCRServerHandleSingleton* CCRServerHandleSingleton::InstanceL()

    62     {

    63     CCRServerHandleSingleton* self = NULL;

    64 

    65     TAny* tlsPtr = Dll::Tls();

    66     if ( tlsPtr == NULL )

    67         {

    68         self = new( ELeave ) CCRServerHandleSingleton;

    69         CleanupStack::PushL( self );

    70         self->ConstructL();

    71         User::LeaveIfError( Dll::SetTls( self ) );

    72         CleanupStack::Pop( self );

    73         }

    74     else

    75         {

    76         self = static_cast<CCRServerHandleSingleton*>( tlsPtr );

    77         ++self->iReferenceCount;

    78         }

    79 

    80     return self;

    81     }

    82     

    83 // -----------------------------------------------------------------------------

    84 // Releases the singleton instance.

    85 // -----------------------------------------------------------------------------

    86 //

    87 void CCRServerHandleSingleton::Release()

    88     {

    89     TAny* tlsPtr = Dll::Tls();

    90     __ASSERT_DEBUG( tlsPtr != NULL, User::Panic( _L( "CCRApiBase" ), KErrNotFound ) );

    91 

    92     if ( tlsPtr != NULL )

    93         {

    94         CCRServerHandleSingleton* self = static_cast<CCRServerHandleSingleton*>( tlsPtr );

    95         if ( --self->iReferenceCount == 0 )

    96             {

    97             delete self;

    98             Dll::FreeTls();

    99             }

   100         }

   101     }

   102 

   103 //  End of File