1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #if !defined(__E32STD_H__)

    17 #include <e32std.h>		// TSwap, TKey

    18 #endif

    19 

    20 

    21 //

    22 // TQueuedOperationSwap and TQueuedOperationKey : Classes needed for

    23 // a QuickSort in ExpungeDeletedOperationsL. They sort folders from lower

    24 // to higher ids, and within each folder from high line numbers to low

    25 // line numbers. That way the highest numbers get deleted first, maintaining

    26 // the validity of the other removals.

    27 

    28 class TQueuedOperationSwap  : public TSwap

    29 	{

    30 public:

    31 	IMPORT_C TQueuedOperationSwap(CImQueuedList& aList);

    32 	void Swap(TInt aLeft,TInt aRight) const;

    33 private:	

    34 	CImQueuedList& iList;

    35 	};

    36 

    37 class TQueuedOperationKey : public TKey

    38 	{

    39 public:

    40 	IMPORT_C TQueuedOperationKey(CImQueuedList& aList);

    41 	TInt Compare(TInt aLeft,TInt aRight) const;

    42 	TAny *At(TInt anIndex) const;

    43 private:

    44 	CImQueuedList& iList;

    45 	};