diff -r 000000000000 -r f72a12da539e idlehomescreen/xmluicontroller/inc/mtransactionelement.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluicontroller/inc/mtransactionelement.h	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,95 @@
+/*
+* 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:  Transaction element base class
+*
+*/
+
+
+#ifndef M_TRANSACTIONELEMENT_H
+#define M_TRANSACTIONELEMENT_H
+
+#include <e32def.h>
+#include "aipolicyelement.h"
+#include "transaction.h"
+
+
+namespace AiXmlUiController
+{
+
+/**
+ * MTransactionElement declatres the public interface for transaction elements.
+ * MTransactionElement corresponds one publish operation within a
+ * transaction scope.
+ *
+ * @lib AiXmlUiMain
+ */
+class MTransactionElement
+    {
+public: // New functions
+    
+    /**
+     * Commits the publish operation and actually updates the UI control/element.
+     *
+     * @param [out] aLayoutChanged true if UI layout changes 
+     * @see UpdateDataL()
+     * @see ApplyPublishingPolicy()
+     */
+    void CommitL( TBool& aLayoutChanged, RPropertyHashMap& aPropertyHashMap );
+
+    /**
+     * Resets the transaction element and clears the references to content
+     * and UI control/element.
+     *
+     */
+    virtual void Reset() = 0;
+    
+    /**
+     * Returns the array of associated content policy elements.
+     *
+     */
+    virtual RAiPolicyElementArray& PolicyArray() = 0;
+    
+    /**
+     * Return the target UI element for this transaction element
+     */
+    virtual CXnNodeAppIf& Target() const = 0 ;
+    
+protected:  // New functions
+
+    /**
+     * Updates UI control / element data.
+     *
+     * @since S60 3.2
+     */
+    virtual void UpdateDataL() = 0;
+    
+    /**
+     * Applies current publishing policy to UI control / element.
+     *
+     * @param [out] aLayoutChanged true if UI layout changes
+     */
+    virtual void ApplyPublishingPolicy( TBool& aLayoutChanged,
+                                        RPropertyHashMap& aPropertyHashMap ) = 0;
+    
+protected:  // Constructors and destructor
+    
+    ~MTransactionElement() {};
+    
+    };
+
+}   // namespace AiXmlUiController
+
+#endif      // M_TRANSACTIONELEMENT_H  
+           
+//  End of File
\ No newline at end of file