1 /*

     2 * Copyright (c) 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:   Contains MCatalogsBase implementation base class definition

    15 *

    16 */

    17 

    18 

    19 #ifndef C_NCDOPERATION_H

    20 #define C_NCDOPERATION_H

    21 

    22 #include <e32cmn.h>

    23 #include <e32base.h>

    24 #include "catalogsbase.h"

    25 #include "ncdoperation.h"

    26 #include "ncdbaseoperationproxy.h"

    27 

    28 template< class T1 >

    29 class CNcdOperation : public CNcdBaseOperationProxy, public T1

    30     {

    31 public:

    32 

    33     /**

    34      * @see MNcdOperation::OperationStateL()

    35      */

    36     MNcdOperation::TState OperationStateL() const

    37         {

    38         return DoOperationStateL();

    39         }    

    40         

    41     /**

    42      * @see MNcdOperation::StartOperationL()

    43      */

    44     void StartOperationL()

    45         {

    46         DoStartOperationL();

    47         }

    48     

    49     /**

    50      * @see MNcdOperation::CancelOperation()

    51      */

    52     void CancelOperation()

    53         {

    54         DoCancelOperation();

    55         }

    56 

    57     /**

    58      * @see MNcdOperation::Progress()

    59      */

    60     TNcdProgress Progress() const

    61         {

    62         return DoProgress();

    63         }

    64     

    65     /**

    66      * @see MNcdOperation::CompleteQuery()

    67      */    

    68     void CompleteQueryL( MNcdQuery& aQuery )

    69         {

    70         DoCompleteQueryL( aQuery );

    71         }

    72     

    73     /**

    74      * @see MNcdOperation::Node()

    75      */

    76     MNcdNode* Node()

    77         {

    78         return DoNode();

    79         }

    80             

    81 protected:

    82     /**

    83      * ConstructorL

    84      *

    85      * @note CNcdBaseOperationProxy::ConstructL also needs to be called when the child classes

    86      * initialize themselves in their own ConstructL functions.

    87      *

    88      * @see CNcdBaseOperationProxy::ConstructL

    89      */ 

    90     CNcdOperation( MNcdClientLocalizer* aLocalizer ) : 

    91         CNcdBaseOperationProxy( aLocalizer ) 

    92         {

    93         }

    94 

    95     const TAny* QueryInterfaceL( TInt aInterfaceId ) const

    96         {

    97         const TAny* result = NULL;

    98         switch( aInterfaceId )

    99             {

   100             case T1::KInterfaceUid:             result = static_cast< const T1* >( this ); break;

   101             case MNcdOperation::KInterfaceUid:  result = static_cast< const MNcdOperation* >( this ); break;

   102             case MCatalogsBase::KInterfaceUid:  result = static_cast< const MCatalogsBase* >( this ); break;                        

   103             default: break;

   104             }

   105 

   106         if( result != NULL )

   107             {

   108             AddRef();

   109             }

   110 

   111         return result;

   112         }

   113     };

   114 

   115 #endif // C_NCDOPERATION_H