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:  Image transaction element

    15 *

    16 */

    17 

    18 

    19 #ifndef C_IMAGETRANSACTIONELEMENT_H

    20 #define C_IMAGETRANSACTIONELEMENT_H

    21 

    22 #include "transactionelement.h"

    23 

    24 class CGulIcon;

    25 class CXnNodeAppIf;

    26 class RFile;

    27 

    28 namespace AiUtility

    29     {

    30     class CContentPriorityMap;

    31     }

    32 

    33 namespace AiXmlUiController

    34 {

    35 class CKamikazeImageDecoder;    

    36     

    37 /**

    38  *  @ingroup group_xmluicontroller

    39  * 

    40  *  CImageTransactionElement is a transaction element for publishing images.

    41  *

    42  *  @lib AiXmlUiMain

    43  */

    44 class CImageTransactionElement : public CTransactionElement

    45     {

    46 

    47 public:

    48 

    49     static CImageTransactionElement*

    50         NewL( AiUtility::CContentPriorityMap& aContentPriorityMap );

    51 

    52     virtual ~CImageTransactionElement();

    53 

    54     /**

    55      * Initializes this transaction element.

    56      *

    57      * @param aTarget the node to publish bitmap and mask.

    58      * @param aIcon the icon to publish. Ownership is transferred.

    59      */

    60     void InitializeL(CXnNodeAppIf& aTarget, CGulIcon* aIcon );

    61     

    62     /**

    63      * Initializes this transaction element from file.

    64      *

    65      * @param aTarget the node to publish bitmap.

    66      * @param aFile the open file handle to read bitmap data.

    67      */

    68     void InitializeL(CXnNodeAppIf& aTarget,

    69                      RFile& aFile);

    70     

    71     static TBool IsSupported( CXnNodeAppIf& aTarget );

    72     

    73     void Reset();

    74 

    75     void UpdateDataL();

    76 

    77             

    78 private:

    79 

    80     CImageTransactionElement( AiUtility::CContentPriorityMap& aContentPriorityMap );

    81     

    82     void CheckTypeL( CXnNodeAppIf& aTarget );

    83     

    84 private: // data

    85 

    86 

    87     /**

    88      * Icon to be published.

    89      * Own.

    90      */

    91     CGulIcon* iNewIcon;

    92 

    93     /**

    94      * Asynchronous image decoder. Executed and 

    95      * self destroyed when decoding is ready. Not own.

    96      */

    97     CKamikazeImageDecoder* iImageDecoder;

    98     

    99     };

   100     

   101 } // namespace AiXmlUiController

   102 

   103 #endif // C_IMAGETRANSACTIONELEMENT_H