--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluicontroller/src/databuffertransactionelement.cpp	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,197 @@
+/*
+* 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:  Data buffer transaction element
+*
+*/
+
+
+#include    "databuffertransactionelement.h"
+#include    "aixmluiutils.h"
+
+#include    "xntype.h"
+#include    "xntext.h"
+#include    "xnnewsticker.h"
+#include    "xnmenuadapter.h"
+#include    "mxncomponentinterface.h"
+#include    "xnvolumecontrol.h"
+#include    "xnnodeappif.h"
+#include    "xnuiengineappif.h"
+#include    "xnproperty.h"
+#include    "xndompropertyvalue.h"
+#include    "aistrcnv.h"
+#include    "aixmluiconstants.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+using namespace AiXmlUiController;
+using namespace XnTextInterface;
+
+CDataBufferTransactionElement::CDataBufferTransactionElement(AiUtility::CContentPriorityMap& aContentPriorityMap)
+    : CTransactionElement(aContentPriorityMap)
+    {
+    }    
+
+CDataBufferTransactionElement* CDataBufferTransactionElement::NewL(AiUtility::CContentPriorityMap& aContentPriorityMap)
+    {
+    CDataBufferTransactionElement* self = new( ELeave ) CDataBufferTransactionElement(aContentPriorityMap);
+    
+    return self;
+    }
+
+CDataBufferTransactionElement::~CDataBufferTransactionElement()
+    {
+    }
+
+void CDataBufferTransactionElement::InitializeL( CXnNodeAppIf& aTarget, const TDesC8& aData )
+    {
+    CheckTypeL( aTarget );
+    SetTarget( aTarget );
+    iNewData.Set( aData );
+    }
+
+void CDataBufferTransactionElement::UpdateDataL()
+    {
+    // Set new text
+    SetDataL();
+    
+    // Update content priority
+    UpdateContentPriorityL();
+    }
+    
+void CDataBufferTransactionElement::Reset()
+    {
+    CTransactionElement::Reset();
+    
+    iNewData.Set( KNullDesC8);
+    }
+
+TBool CDataBufferTransactionElement::IsSupported( CXnNodeAppIf& aTarget,
+                                                  const TDesC8& aContentType )
+    {
+    // Get target type info
+    CXnType* typeInfo = aTarget.Type();
+    
+    if ( !typeInfo )
+        {
+        return EFalse;
+        }
+    
+    const TDesC8& type = typeInfo->Type();
+    
+    if ( aContentType == KContentTypeText ) // Text
+        {
+        // Text element and menu item supports
+        return ( type == XnTextInterface::MXnTextInterface::Type() ||
+                 type == KXnMenuItem || 
+                 type == KXnMenu ||
+                 type == XnPropertyNames::softkey::KNodeName ||
+                 type == XnPropertyNames::volumecontrol::KSlider );
+        }
+    else if ( aContentType == KContentTypeImageSvg ) // SVG image
+        {
+        // Newsticker support
+        return ( type == XnNewstickerInterface::MXnNewstickerInterface::Type() );
+        }
+        
+    return EFalse;
+    }
+
+void CDataBufferTransactionElement::CheckTypeL( CXnNodeAppIf& aTarget )
+    {
+    // Get type info
+    const TDesC8& type = LeaveIfNull( aTarget.Type(), KErrNotSupported )->Type();
+    
+    // Text element, menu item, and newsticker supported
+    if ( type != XnTextInterface::MXnTextInterface::Type() &&
+         type != KXnMenuItem &&
+         type != KXnMenu &&
+         type != XnPropertyNames::softkey::KNodeName && 
+         type != XnPropertyNames::volumecontrol::KSlider &&
+         type != XnNewstickerInterface::MXnNewstickerInterface::Type() )
+        {
+        User::Leave( KErrNotSupported );
+        }
+    }
+
+void CDataBufferTransactionElement::SetDataL()
+    {
+    // Get type info
+    const TDesC8& type = LeaveIfNull( Target().Type(), KErrNotSupported )->Type();
+    
+    if ( type == XnTextInterface::MXnTextInterface::Type() ) // Text element
+        {
+        // Set character data directly to target
+        Target().SetPCDataL( iNewData );
+        }
+    else if (  type == XnPropertyNames::softkey::KNodeName ||
+            type == KXnMenuItem || 
+            type == KXnMenu ) // menu item
+        {
+        // Update label attribute value.
+        
+        // 
+        CXnNodeAppIf& target = Target();
+        
+        // Create new new label attribute value
+        CXnDomPropertyValue* propertyValue =
+            CXnDomPropertyValue::NewL( target.UiEngineL()->StringPool() );
+    
+        CleanupStack::PushL( propertyValue );
+    
+        propertyValue->SetStringValueL( CXnDomPropertyValue::EString,
+                                        iNewData );
+    
+        CXnProperty* newProperty = CXnProperty::NewL( XnPropertyNames::menu::KLabel,
+                                                      propertyValue,
+                                                      target.UiEngineL()->StringPool() );
+        CleanupStack::Pop( propertyValue );
+        
+        CleanupStack::PushL( newProperty );
+
+        // Set label attribute
+        target.SetPropertyL( newProperty );
+        
+        CleanupStack::Pop( newProperty );
+        
+        // Refresh menu
+        target.UiEngineL()->RefreshMenuL();
+        }
+    else if ( type == XnPropertyNames::volumecontrol::KSlider ) // slider
+        {
+        // Get volume control interface
+        XnVolumeControlInterface::MXnVolumeControlInterface* volumeControl = NULL;
+        XnComponentInterface::MakeInterfaceL( volumeControl, Target() );
+        LeaveIfNull( volumeControl, KErrNotSupported );
+        
+        TInt32 volume = 0;
+        User::LeaveIfError( AiUtility::ParseInt( volume, iNewData ) );
+        volumeControl->SetValue( volume );
+        }
+    else if ( type == XnNewstickerInterface::MXnNewstickerInterface::Type() )
+        {
+        // Get newsticker interface
+        XnNewstickerInterface::MXnNewstickerInterface* newsTicker = NULL;
+        XnComponentInterface::MakeInterfaceL( newsTicker, Target() );
+        LeaveIfNull( newsTicker, KErrNotSupported );
+        
+        // Append new SVG title
+        newsTicker->AppendSvgTitleL( iNewData );
+        }
+    else
+        {
+        User::Leave( KErrNotSupported );
+        }
+    }
+    
+//  End of File