1 /*

     2 * Copyright (c) 2005-2007 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:  News ticker transaction element

    15 *

    16 */

    17 

    18 

    19 #ifndef C_NEWSTICKERTRANSACTIONELEMENT_H

    20 #define C_NEWSTICKERTRANSACTIONELEMENT_H

    21 

    22 #include "transactionelement.h"

    23 

    24 

    25 namespace AiUtility

    26     {

    27     class CContentPriorityMap;

    28     }

    29 

    30 class CXnNodeAppIf;

    31 

    32 namespace AiXmlUiController

    33 {

    34 

    35 /**

    36  *  @ingroup group_xmluicontroller

    37  * 

    38  * CNewTickerTransactionElement corresponds news ticker content publishing operation.

    39  *

    40  *  @lib AiXmlUiMain

    41  */

    42 class CNewsTickerTransactionElement : public CTransactionElement

    43     {

    44 public:  // Constructors and destructor

    45     

    46     static CNewsTickerTransactionElement*

    47         NewL( AiUtility::CContentPriorityMap& aContentPriorityMap );

    48     

    49     virtual ~CNewsTickerTransactionElement();

    50 

    51 // New functions

    52     

    53     /**

    54     * Initializes this transaction element to publish text content aText

    55     * to text interface of node aTarget.

    56     *

    57     * @param aTarget - the target of publishing.

    58     * @param aText - the text content. 

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

    60     */

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

    62  

    63     /**

    64      * @return ETrue if aTarget node is supported 

    65      */

    66     static TBool IsSupported( CXnNodeAppIf& aTarget );

    67     

    68     /**

    69      * from CTransactionElement

    70      */

    71     void Reset();

    72 

    73     /**

    74      * from CTransactionElement

    75      */

    76     void UpdateDataL();

    77     

    78 private: // New methods

    79 

    80     /**

    81      * constructor 

    82      */

    83     CNewsTickerTransactionElement( AiUtility::CContentPriorityMap& aContentPriorityMap );

    84 

    85     /**

    86      * 

    87      */

    88     void CheckTypeL( CXnNodeAppIf& aTarget );

    89     /**

    90      * 

    91      */

    92     void SetTextL();

    93     

    94 private:    // Data

    95 

    96     /**

    97      * New text content.

    98      */

    99     TPtrC iNewText;

   100     

   101     /**

   102      * Index of the news ticker element to be updated

   103      */

   104     TInt iIndex;

   105         

   106     };

   107 

   108 }   // namespace AiXmlUiController

   109 

   110 #endif      // C_NEWSTICKERTRANSACTIONELEMENT_H  

   111            

   112 //  End of File