1 /*

     2 * Copyright (c) 2005-2006 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 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:  Map of callback and transaction id.

    15 *

    16 */

    17 

    18 

    19 #ifndef __SYSINFOKCALLBACKMAP_H__

    20 #define __SYSINFOKCALLBACKMAP_H__

    21 

    22 

    23 //FORWARD DECLARATION

    24 class MLiwNotifyCallback;

    25 

    26 /**

    27 * CSysInfoCallbackMap

    28 * This class keeps a map of the transaction id allocated to an asynchronous 

    29 * request with the callback of the request.

    30 */

    31 

    32 // CLASS DECLARATION

    33 NONSHARABLE_CLASS(CSysInfoCallbackMap): public CBase

    34     {

    35     public:// Constructors

    36 

    37     /**

    38     * CSysInfoCallbackMap

    39     * Constructor.

    40     *

    41     * @param aTransactionId The transaction id alloted to asynchronous request.

    42     * @param aCallback The callback associated with the asynchronous request.

    43     */

    44     inline CSysInfoCallbackMap( TInt32 aTransactionId, 

    45                                     MLiwNotifyCallback* aCallback );

    46     

    47     /**

    48     * ~CSysInfoCallbackMap

    49     * Destructor.

    50     */

    51     inline ~CSysInfoCallbackMap() {}

    52 

    53     public:

    54 

    55     /**

    56     * Set

    57     * Sets the transaction id and callback.

    58     *

    59     * @param aTransactionId The transaction id alloted to asynchronous request.

    60     * @param aCallback The callback associated with the asynchronous request.

    61     */

    62     inline void Set( TInt32 aTransactionId, MLiwNotifyCallback* aCallback );

    63 

    64     /**

    65     * Get

    66     * Gets the transaction id and callback.

    67     *

    68     * @param aTransactionId The transaction id alloted to asynchronous request.

    69     * @param aCallback The reference to the callback associated with the asynchronous request.

    70     * @return True if aCallback is set else False.

    71     */

    72     inline TBool Get( TInt32 aTransactionId, MLiwNotifyCallback*& aCallback) const;

    73 

    74     private:// Data

    75 

    76     /**

    77     * iTransactionId

    78     * The transaction id of the async call.

    79     */

    80     TInt32 iTransactionId;

    81 

    82     /**

    83     * iCallback

    84     * The handle to MLiwNotifyCallback.

    85     */

    86     MLiwNotifyCallback* iCallback;

    87 

    88     };

    89 

    90 #include "sysinfocallbackmap.inl"

    91 

    92 #endif // __SYSINFOKCALLBACKMAP_H__