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:  Templated algorithms to simplify object handling

    15 *

    16 */

    17 

    18 #ifndef PRESENCEOBJECTHELPERS_H

    19 #define PRESENCEOBJECTHELPERS_H

    20 

    21 #include <s32mem.h>

    22 

    23 class MPresenceBuddyInfo2;

    24 

    25 // const TInt KObjectBufGranurality = 100;

    26 

    27 

    28 class TPresenceArrayPacker

    29     {

    30 public:

    31     /**

    32      * Pack array of buffers to buffer.

    33      * @param aBufferArray Array of buffers to pack.

    34      * @return Buffer containing buffers.

    35      */

    36     IMPORT_C static HBufC8* PackArrayL( const RPointerArray< MPresenceBuddyInfo2 >& aBufferArray );

    37     

    38     /**

    39      * Unpack array of buffers to array.

    40      * @param aBufferArray. Target array for new buffers. Ownhersip of items in array is transferred to caller.

    41      * @param aPack Packet containing array of buffers.

    42      */

    43     IMPORT_C static void UnPackArrayL( RPointerArray< MPresenceBuddyInfo2 >& aBufferArray, const TDesC8& aPack  );

    44     };

    45 

    46 class PresenceCacheBuddyUtils

    47     {

    48 public:

    49     /**

    50      * Reset buddy info expiry time stamp

    51      */

    52     IMPORT_C static void ResetBuddyInfoTimeStamp(MPresenceBuddyInfo2& aBuddy);

    53 

    54     /**

    55      * Check is buddy info expired

    56      */

    57     IMPORT_C static TBool IsBuddyInfoExpired(const MPresenceBuddyInfo2& aBuddy);

    58 private:

    59     // Hide constructor and destructor

    60     PresenceCacheBuddyUtils();

    61     ~PresenceCacheBuddyUtils();

    62     };

    63 

    64 #endif // PRESENCEOBJECTHELPERS_H