1 /*

     2 * Copyright (c) 2002 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:  Declaration of TSortSnapUtils 

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef __SORTSNAPUTILS_H__

    21 #define __SORTSNAPUTILS_H__

    22 

    23 

    24 // INCLUDES

    25 #include <e32base.h>

    26 #include <cmmanagerext.h>

    27 #include <rmpm.h>

    28 

    29 

    30 // CLASS DECLARATION

    31 

    32 /**

    33  * TSortSnapUtils class,

    34  * utility class to use P&S mechanism to

    35  * avoid circular reference with MPM

    36  */     

    37 class TSortSnapUtils 

    38     {

    39     public:

    40         enum TSortSnapUtilsState

    41             {

    42             EUninitialised = 0,

    43             EUseMPM,

    44             EUsePubSub

    45             } ;

    46 

    47         /**

    48         * Constructor

    49         */    

    50         TSortSnapUtils( RMPM& aMPM );

    51         

    52         /**

    53         * Destructor

    54         */    

    55         ~TSortSnapUtils();

    56 

    57         void GetDestIdArrayL( RCmManagerExt& aCmManagerExt, RArray<TUint32>& aDestArray );     

    58 

    59         /**

    60         * GetSortSNAPDataL

    61         * Gets snap data 

    62         * Reads P&S values first, then uses MPM if

    63         * unsuccessful. This is needed to avoid a deadlock situation

    64         * with MPM.

    65         * @param aSnapData - iSnap attribute of TMpmSnapPubSubFormat is the

    66         * input parameter, iSortedIaps attribute holds the iap ids if 

    67         * returned with KErrNone

    68         */

    69         TInt GetSortSnapData( TUint32 aSnapId, TMpmSnapBuffer& aSnapBuffer );  

    70 

    71     private:

    72         void InitDestIdArray();

    73        

    74     private:

    75         TUint32 iSnapIdArray[KMPMSortSnapMaxKey]; 

    76         TInt iSnapCount;

    77         TSortSnapUtilsState iSSUState;

    78         RMPM& iMPM; 

    79     };     

    80 

    81 

    82 #endif

    83 

    84 // End of File