/*

* Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  News ticker transaction element

*

*/

#ifndef C_NEWSTICKERTRANSACTIONELEMENT_H

#define C_NEWSTICKERTRANSACTIONELEMENT_H

#include "transactionelement.h"

namespace AiUtility

    {

    class CContentPriorityMap;

    }

class CXnNodeAppIf;

namespace AiXmlUiController

{

/**

 *  @ingroup group_xmluicontroller

 * 

 * CNewTickerTransactionElement corresponds news ticker content publishing operation.

 *

 *  @lib AiXmlUiMain

 */

class CNewsTickerTransactionElement : public CTransactionElement

    {

public:  // Constructors and destructor

    static CNewsTickerTransactionElement*

        NewL( AiUtility::CContentPriorityMap& aContentPriorityMap );

    virtual ~CNewsTickerTransactionElement();

// New functions

    /**

    * Initializes this transaction element to publish text content aText

    * to text interface of node aTarget.

    *

    * @param aTarget - the target of publishing.

    * @param aText - the text content. 

    * @param aIndex - index of the news ticker element to be updated

    */

    void InitializeL(CXnNodeAppIf& aTarget, const TDesC& aText, TInt aIndex);

    /**

     * @return ETrue if aTarget node is supported 

     */

    static TBool IsSupported( CXnNodeAppIf& aTarget );

    /**

     * from CTransactionElement

     */

    void Reset();

    /**

     * from CTransactionElement

     */

    void UpdateDataL();

private: // New methods

    /**

     * constructor 

     */

    CNewsTickerTransactionElement( AiUtility::CContentPriorityMap& aContentPriorityMap );

    /**

     * 

     */

    void CheckTypeL( CXnNodeAppIf& aTarget );

    /**

     * 

     */

    void SetTextL();

private:    // Data

    /**

     * New text content.

     */

    TPtrC iNewText;

    /**

     * Index of the news ticker element to be updated

     */

    TInt iIndex;

    };

}   // namespace AiXmlUiController

#endif      // C_NEWSTICKERTRANSACTIONELEMENT_H  

//  End of File