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:  Data buffer transaction

    15 *

    16 */

    17 

    18 

    19 #ifndef C_DATABUFFERTRANSACTIONELEMENT_H

    20 #define C_DATABUFFERTRANSACTIONELEMENT_H

    21 

    22 #include "transactionelement.h"

    23 

    24 namespace AiUtility

    25     {

    26     class CContentPriorityMap;

    27     }

    28 

    29 class CXnNodeAppIf;

    30 

    31 namespace AiXmlUiController

    32 {

    33 

    34 /**

    35  *  @ingroup group_xmluicontroller

    36  * 

    37  * CDataBufferTransactionElement corresponds one text content publishing operation.

    38  *

    39  *  @lib AiXmlUiMain

    40  */

    41 class CDataBufferTransactionElement : public CTransactionElement

    42     {

    43 public:  // Constructors and destructor

    44     

    45     static CDataBufferTransactionElement*

    46         NewL( AiUtility::CContentPriorityMap& aContentPriorityMap );

    47     

    48     virtual ~CDataBufferTransactionElement();

    49 

    50 // New functions

    51     

    52     /**

    53     * Initializes this transaction element to publish content aData

    54     * to node aTarget.

    55     *

    56     * @param aTarget - the target of publishing.

    57     * @param aData - the content. 

    58     */

    59     void InitializeL(CXnNodeAppIf& aTarget, const TDesC8& aData);

    60 

    61     /**

    62     * Initializes this transaction element to publish content aData

    63     * to node aTarget.

    64     *

    65     * @param aTarget - the target of publishing.

    66     * @param aData - the content. 

    67     * @param aCid - the content id.

    68     * @param aIndex - the content index.

    69     */    

    70     void InitializeL(CXnNodeAppIf& aTarget, const TDesC8& aData, 

    71         const TDesC& aCid, TInt aIndex);

    72     

    73     /**

    74      * Checks if given content type is supported by target ui element.

    75      *

    76      * @param aTarget target ui element.

    77      * @param aContentType content type

    78      * @return ETrue if content type is supported

    79      */

    80     static TBool IsSupported( CXnNodeAppIf& aTarget,

    81                               const TDesC8& aContentType );

    82     

    83 // Functions from CTransactionElement

    84 

    85     void Reset();

    86 

    87     void UpdateDataL();

    88     

    89 private:

    90 

    91     CDataBufferTransactionElement(

    92         AiUtility::CContentPriorityMap& aContentPriorityMap );

    93 

    94     void CheckTypeL( CXnNodeAppIf& aTarget );

    95     

    96     void SetDataL();

    97     

    98 private:    // Data

    99 

   100     /**

   101      * New content, owned.

   102      */

   103     HBufC8* iNewData;

   104     

   105     /**

   106      * Content id, owned.

   107      */

   108     HBufC* iCid;

   109     

   110     /*

   111      * Content index

   112      */

   113     TInt iIndex;

   114     };

   115 

   116 }   // namespace AiXmlUiController

   117 

   118 #endif      // C_TEXTTRANSACTIONELEMENT_H  

   119            

   120 //  End of File