1 /*

     2 * Copyright (c) 2002-2004 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:  Visitor class interface 

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef MXN_DOM_VISITOR_H

    21 #define MXN_DOM_VISITOR_H

    22 

    23 // CLASS FORWARD

    24 class CXnDomNode;

    25 

    26 // CLASS DECLARATION

    27 

    28 /**

    29 *  Visitor class modifies DOM node element's data.

    30 *

    31 *  @lib xndomvisitor.dll

    32 *  @since Series 60 3.1

    33 */

    34 class MXnDomVisitor

    35     {

    36     public: // New functions

    37         

    38         /**

    39         * Check in-memory plugin version.

    40         * @return ETrue if version match

    41         */

    42         virtual TBool IsVersion( const TDesC8& aVersion )=0;

    43         

    44         /**

    45         * Modifies data

    46         * @param aData Data to modify

    47         */

    48         virtual void ModifyDataL( CXnDomNode& aNode )=0;

    49         

    50         /**

    51         * Sets element content type (TContentType) from XnDomNode.h

    52         * @param aNode Node to modify

    53         */

    54         virtual void SetElementTypeL( CXnDomNode& aNode )=0;

    55         

    56         /**

    57         * Ecom passes a destructor key at the time when plugin is created

    58         * and requires that key when plugin is destroyed.

    59         * @param aKey ECom required destructor key

    60         */ 

    61         virtual void SetDtorKey( const TUid aDtorKey )=0;

    62         

    63         /**

    64         * Release resources

    65         */

    66         virtual void Release()=0;

    67     

    68     protected:

    69         /**

    70         * Plugin can only be destroyed by calling Release().

    71         */

    72         ~MXnDomVisitor(){};

    73 

    74     };

    75 

    76 #endif      // MXN_DOM_VISITOR_H  

    77             

    78 // End of File