idlehomescreen/xmluicontroller/inc/emptycontenttransactionelement.h
changeset 0 f72a12da539e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluicontroller/inc/emptycontenttransactionelement.h	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,77 @@
+/*
+* 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 for publishing empty content
+*
+*/
+
+
+#ifndef C_EMPTYCONTENTTRANSACTIONELEMENT_H
+#define C_EMPTYCONTENTTRANSACTIONELEMENT_H
+
+#include "transactionelement.h"
+
+namespace AiUtility
+    {
+    class CContentPriorityMap;
+    }
+
+namespace AiXmlUiController
+{
+    
+/**
+ *  @ingroup group_xmluicontroller
+ * 
+ *  Transaction element for publishing empty content to UI element.
+ *  Empty content is published by applying empty content policy
+ *
+ *  @lib AiXmlUiMain
+ */
+class CEmptyContentTransactionElement : public CTransactionElement
+    {
+
+public:
+
+    static CEmptyContentTransactionElement*
+        NewL( AiUtility::CContentPriorityMap& aContentPriorityMap );
+
+    virtual ~CEmptyContentTransactionElement();
+
+    /**
+     * Initializes this element to publish into the given UI element.
+     *
+     * @param aTarget target UI element.
+     * @param aIndex Newsticker title index to clean
+     */
+    void InitializeL( CXnNodeAppIf& aTarget,
+                      TInt aIndex );
+
+protected:  // from base class CTransactionElement
+
+    void Reset();
+    
+    void UpdateDataL();
+
+private:
+
+    CEmptyContentTransactionElement(
+        AiUtility::CContentPriorityMap& aContentPriorityMap );
+
+    // Index for newsticker title to clean.
+    TInt iIndex;
+
+    };
+    
+}   // namespace AiXmlUiController
+
+#endif // C_EMPTYCONTENTTRANSACTIONELEMENT_H