1 /*

     2 * Copyright (c) 2008 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:  Node predicate header

    15 *

    16 */

    17 

    18 

    19 #ifndef XNNODEPREDICATE_H

    20 #define XNNODEPREDICATE_H

    21 

    22 // System includes

    23 #include <e32base.h>

    24 

    25 // forward declarations

    26 class CXnNode;

    27 

    28 // Class declarations

    29 

    30 /**

    31  *  Compares two objects.

    32  *

    33  *  @ingroup group_xnlayoutengine 

    34  *  @lib xn3layoutengine.lib

    35  *  @since Series 60 3.1

    36  */

    37 class MXnNodePredicate

    38     {

    39 public:

    40     // Constructors and destructor

    41 

    42     /**

    43      * C++ default constructor.

    44      */

    45     IMPORT_C MXnNodePredicate();

    46 

    47     /**

    48      * Destructor.

    49      */

    50     IMPORT_C virtual ~MXnNodePredicate();

    51 

    52 public:

    53     // New functions

    54     

    55     /**

    56      * Tests whether an object matches the predicate

    57      * 

    58      * @since Series 60 3.1

    59      * @param aItem Object to test

    60      * @return ETrue if matches, EFalse if not

    61      */

    62     IMPORT_C virtual TBool Match( CXnNode& aItem );

    63     };

    64 

    65 #endif      // XNNODEPREDICATE_H

    66