1 /*

     2 * Copyright (c) 2005 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: Class for storing imps tid queue

    15 * 

    16 */

    17 

    18 

    19 #ifndef CImpsTidQueue_H

    20 #define CImpsTidQueue_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>

    24 

    25 // FORWARD DECLARATIONS

    26 

    27 // CLASS DECLARATION

    28 /**

    29 *  FIFO queue for transaction ids. When the queue at max

    30 *  capacity the oldest item gets deleted.

    31 */

    32 

    33 class CImpsTidQueue : public CBase

    34     {

    35     public:

    36 

    37         /**

    38         * 2-phase Constructor

    39         */

    40         static CImpsTidQueue* NewL();

    41 

    42         // Destructor

    43         ~CImpsTidQueue();

    44 

    45         /**

    46         * Adds a new orphan message to the end of the queue

    47         * @param aTid CSP transaction id

    48         */

    49         void Add( const TDesC& aTid );

    50 

    51         /**

    52         * Check if TID queued already

    53         * @param aTid CSP transaction id

    54         * @return ETrue if TID found

    55         */

    56         TBool TidFound( const TDesC& aTid );

    57 

    58         /**

    59         * Deletes all entities

    60         */

    61         void DeleteAll();

    62 

    63     private:

    64 

    65         /**

    66         * Constructor

    67         */

    68         void ConstructL();

    69 

    70         /**

    71         * Constructs a new COrpanQueue with given capacity

    72         * @param aCapacity the capacity of the queue

    73         */

    74         CImpsTidQueue( TInt aCapacity );

    75 

    76     private:

    77 

    78         TInt                    iCapacity;

    79         TInt                    iNext;  // position to write data

    80         CDesCArrayFlat*         iArray;

    81     };

    82 

    83 

    84 #endif