1 /*

     2 * Copyright (c) 2007-2008 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:   Contains CCatalogsRefString

    15 *

    16 */

    17 

    18 

    19 #ifndef C_CATALOGSREFERENCEBASE_H

    20 #define C_CATALOGSREFERENCEBASE_H

    21 

    22 #include <e32base.h>

    23 

    24 template<class CBaseClass>

    25 class CCatalogsReferenceBase : public CBaseClass

    26     {

    27 public:

    28 

    29     TInt AddRef() const

    30         { 

    31         return ++iRefCount;

    32         }

    33 

    34     TInt Release() const

    35         { 

    36         TInt result = --iRefCount;         

    37         if( result == 0 ) 

    38             {

    39             delete this; 

    40             }

    41         return result;

    42         }

    43         

    44         

    45     TInt RefCount() const 

    46         {

    47         return iRefCount;

    48         }

    49 

    50 protected:

    51 

    52     CCatalogsReferenceBase ()

    53         : iRefCount( 1 )

    54         {

    55         }

    56         

    57     virtual ~CCatalogsReferenceBase()

    58         {

    59         }

    60 

    61 protected:

    62     

    63     mutable TInt iRefCount;

    64     

    65     };

    66 

    67 

    68 template<>

    69 class CCatalogsReferenceBase<CActive> : public CActive

    70     {

    71     

    72 public:

    73 

    74     TInt AddRef() const

    75         { 

    76         return ++iRefCount;

    77         }

    78 

    79     TInt Release() const

    80         { 

    81         TInt result = --iRefCount;         

    82         if( result == 0 ) 

    83             {

    84             delete this; 

    85             }

    86         return result;

    87         }

    88 

    89     TInt RefCount() const 

    90         {

    91         return iRefCount;

    92         }

    93 

    94 protected:

    95 

    96     CCatalogsReferenceBase () : 

    97         CActive( EPriorityStandard ), 

    98         iRefCount( 1 )

    99         {

   100         }

   101 

   102     virtual ~CCatalogsReferenceBase()

   103         {

   104         }

   105 

   106 protected:

   107     

   108     mutable TInt iRefCount;

   109             

   110     };

   111 

   112 

   113 

   114 #endif // C_CATALOGSREFERENCEBASE_H