1 /*

     2 * Copyright (c) 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:  Visual class for alfred widget model.

    15       This class queries the visual by name and ID.

    16 *

    17 */

    18 

    19 

    20 

    21 

    22 //INCLUDES

    23 

    24 #include "alf/alfreferencetovisual.h"

    25 #include <alf/alfwidgetcontrol.h>

    26 #include <alf/alfvisual.h>

    27 #include "alf/alfelement.h"

    28 #include <osn/ustring.h>

    29 #include <osn/osnnew.h>

    30 #include <alf/alfexceptions.h>

    31 

    32 //using namespace osncore;

    33 

    34 namespace Alf

    35     {

    36 ////////////////////// CAlfReferenceToVisual //////////////////////

    37 

    38 

    39 // ============================ MEMBER FUNCTIONS ===============================

    40 

    41 OSN_EXPORT AlfReferenceToVisual* AlfReferenceToVisual::create(

    42     const char *aElementName,

    43     const char *aVisualName,

    44     bool aUseDataID)

    45     {

    46     return new( EMM ) AlfReferenceToVisual( aElementName, aVisualName, aUseDataID );

    47     }

    48 

    49 // ---------------------------------------------------------------------------

    50 // Description : Constructor

    51 // ---------------------------------------------------------------------------

    52 //

    53 AlfReferenceToVisual::AlfReferenceToVisual(const char *aElementName,

    54         const char *aVisualName, bool aUseDataID)

    55     {

    56     mUseDataID = aUseDataID;

    57     mElementName = UString(aElementName);

    58     mVisualName = UString(aVisualName);

    59     }

    60 

    61 // ---------------------------------------------------------------------------

    62 // Description : Class Destructor

    63 // ---------------------------------------------------------------------------

    64 //

    65 OSN_EXPORT AlfReferenceToVisual::~AlfReferenceToVisual()

    66     {

    67 

    68     }

    69 

    70 // ---------------------------------------------------------------------------

    71 // Description :Find the referenced visual according to the given data ID.

    72 // ---------------------------------------------------------------------------

    73 //

    74 OSN_EXPORT CAlfVisual *AlfReferenceToVisual::resolve(CAlfWidgetControl &aControl, unsigned int aDataID)

    75     {

    76     // Find the element.

    77     CAlfVisual* visual = NULL;

    78     IAlfElement *element = aControl.findElement(mElementName.getUtf8());

    79     if (element)

    80         {

    81         unsigned int dataID = aDataID;

    82 

    83         // Find the visual.

    84         visual = element->findVisual(mVisualName.getUtf8(), dataID);

    85         if (!visual)

    86             {

    87             // maybe global visual.

    88             visual = element->findVisual(mVisualName.getUtf8(), 0);

    89             }

    90         }

    91     return visual;

    92     }

    93 

    94 // ---------------------------------------------------------------------------

    95 // Description :Finds the referenced visual according to the given pointer.

    96 // ---------------------------------------------------------------------------

    97 //

    98 OSN_EXPORT CAlfVisual *AlfReferenceToVisual::resolve(CAlfWidgetControl &aControl, CAlfVisual* aSourceVisual)

    99     {

   100     // Find the element.

   101     CAlfVisual* visual = NULL;

   102     //Get the element with the name stored herein

   103     IAlfElement *element = aControl.findElement(mElementName.getUtf8());

   104     if (element)

   105         {

   106         //is passed visual part of the element

   107         if (element->contains(*aSourceVisual))

   108             {

   109             HBufC8 *buf8 = NULL;

   110             TRAPD(error,buf8 = aSourceVisual->Tag().AllocL());

   111             if (error != KErrNone)

   112             	{

   113             	ALF_THROW(AlfVisualException,ECommonError,"AlfReferenceToVisual")

   114             	}

   115 

   116             UString sourceTag((const char*)buf8->Des().PtrZ());

   117             if (mVisualName.compare(sourceTag)==0) //Is this visual same as what was stored herein?

   118            		{

   119            		visual = aSourceVisual;

   120            		}

   121             delete buf8;

   122             }

   123         }

   124     return visual;

   125     }

   126 

   127     } // namespace Alf