diff -r 000000000000 -r f72a12da539e idlehomescreen/xmluicontroller/src/transactionelement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluicontroller/src/transactionelement.cpp	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,187 @@
+/*
+* 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:  ?Description
+*
+*/
+
+
+#include    "xnnodeappif.h"
+#include    "xnuiengineappif.h"
+#include    "xnproperty.h"
+
+#include    "transactionelement.h"
+#include    "xmluicontrollerpanic.h"
+#include    "aixmluiutils.h"
+#include    "aixmluiconstants.h"
+
+#include    "contentprioritymap.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+using namespace AiXmlUiController;
+using namespace AiUiDef::xml;
+
+/**
+ * Template method implementation
+ */
+void MTransactionElement::CommitL( TBool& aLayoutChanged, RPropertyHashMap& aPropertyHashMap )
+    {
+    // Update UI element data
+    UpdateDataL();
+    
+    // Update CSS properties
+    ApplyPublishingPolicy( aLayoutChanged, aPropertyHashMap );
+    }
+
+CTransactionElement::CTransactionElement( AiUtility::CContentPriorityMap& aContentPriorityMap )
+    : iContentPriorityMap( aContentPriorityMap ),
+      iContentPriority( KErrNotFound )
+    {
+    }
+
+CTransactionElement::~CTransactionElement()
+    {
+    }
+    
+void CTransactionElement::Reset()
+    {
+    iTarget = NULL;
+    
+    iContentPriority = KErrNotFound;
+    
+    iElementLink.Deque();
+    
+    iPolicyArray.Reset();
+    }
+    
+RAiPolicyElementArray& CTransactionElement::PolicyArray()
+    {
+    return iPolicyArray;
+    }
+
+void CTransactionElement::SetContentPriority( TInt aPriority )
+    {
+    iContentPriority = aPriority;
+    }
+
+void CTransactionElement::SetCssPropertyMap( CCssPropertyMap* aPropertyMap )
+    {
+    iPropertyMap = aPropertyMap;
+    }
+
+void CTransactionElement::SetTarget(CXnNodeAppIf& aTarget)
+    {
+    __ASSERT_DEBUG( !iTarget, Panic( ETargetNodeNotNull ) );
+    iTarget = &aTarget;
+    }
+
+void CTransactionElement::ApplyPublishingPolicy( TBool& aLayoutChanged, RPropertyHashMap& aPropertyHashMap )
+    {
+    // Ignore errors if CSS property could not be modified
+    TRAP_IGNORE( DoApplyPublishingPolicyL( aLayoutChanged, aPropertyHashMap ) );
+    }
+            
+void CTransactionElement::DoApplyPublishingPolicyL( TBool& aLayoutChanged, RPropertyHashMap& aPropertyHashMap )
+    {
+    RArray<CXnNodeAppIf*> targetArray;
+    CleanupClosePushL( targetArray );
+    
+    for ( TInt i = 0; i < iPolicyArray.Count() && iPropertyMap; ++i )
+        {
+        TAiPolicyElement& element = iPolicyArray[ i ];
+        
+        RArray<TAiPolicyElement> elementArray;
+        CleanupClosePushL( elementArray );
+        
+        TBool found = EFalse;
+        for( TInt i2 = 0; i2 < targetArray.Count(); ++i2 )
+            {
+            // find from target array
+            if( targetArray[i2] == &(element.Target()) )
+                {
+                found = ETrue;
+                break;
+                }
+            }
+            
+        if( !found )
+            {
+            // Mark this target to be processed
+            targetArray.Append( &(element.Target()) );
+            
+            for( TInt i3 = 0; i3 < iPolicyArray.Count(); ++i3 )
+                {
+                TAiPolicyElement& element2 = iPolicyArray[ i3 ];
+                // find form target array
+                if( &(element.Target()) == &(element2.Target()) )
+                    {
+                    elementArray.Append( element2 );
+                    }
+                }
+                
+            SetPropertiesToHashMapL( elementArray, *iPropertyMap, aPropertyHashMap );
+            
+            }
+        
+        CleanupStack::PopAndDestroy(); // elementArray    
+            
+        /*SetPropertyL( element.Target(),
+                      element.Name(),
+                      element.Value(),
+                      *iPropertyMap );*/
+        }
+    
+    CleanupStack::PopAndDestroy(); // targetArray
+    
+    if ( iPolicyArray.Count() > 0 )
+        {
+        aLayoutChanged |= ETrue;
+        }
+    }
+    
+CXnNodeAppIf& CTransactionElement::Target() const
+    {
+    __ASSERT_DEBUG( iTarget, Panic( ETargetNodeNull ) );
+    return *iTarget;
+    }
+
+void CTransactionElement::UpdateContentPriorityL()
+    {
+    if ( iTarget && iContentPriority > KErrNotFound ) // Clear must be done with ClearContentPriority
+        {
+        const TDesC8* uiElementId = LeaveIfNull( PropertyValue( 
+                                                        *iTarget,
+                                                        XnPropertyNames::common::KId ),
+                                           KErrGeneral );
+    
+        User::LeaveIfError( iContentPriorityMap.SetCurrentPriority(
+                                                        *uiElementId,
+                                                        iContentPriority ) );
+        }
+    }
+            
+void CTransactionElement::ClearContentPriorityL()
+    {
+    if( iTarget )
+        {
+        const TDesC8* uiElementId = LeaveIfNull( PropertyValue(
+                                                            *iTarget,
+                                                            XnPropertyNames::common::KId ),
+                                           KErrGeneral );
+        
+        iContentPriorityMap.ClearPriority( *uiElementId );
+        }
+    }
+    
+//  End of File