--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluicontroller/inc/psobserver.h	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,82 @@
+/*
+* Copyright (c) 2005-2008 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:  Observer for changes in Publish & Subscribe keys
+*
+*/
+
+
+#ifndef C_PSOBSERVER_H
+#define C_PSOBSERVER_H
+
+#include <e32property.h>
+#include <e32base.h>
+
+
+namespace AiXmlUiController
+{
+
+class MPSCallback;
+
+/**
+*  @ingroup group_xmluicontroller
+* 
+*  Observer for changes in Publish & Subcribe keys
+*
+*  @lib AiXmlUiMain
+*/
+class CPSObserver : public CActive
+    {
+	public:  // Constructors and destructor
+	    
+	    static CPSObserver* NewL( MPSCallback& aCallback, TUid aCategory, TInt aKey );
+	    
+	    virtual ~CPSObserver();
+
+	    /**
+	     * Returns the current value of the monitored
+	     * P&S key. 
+	     * 
+	     * @param aValue Value is placed here
+	     * 
+	     * @return KErrNone if succesfull
+	     */
+	    TInt GetValue( TInt &aValue ) const;
+	    
+	private:
+
+		CPSObserver( MPSCallback& aCallback, TUid aCategory, TInt aKey );
+		void ConstructL();
+		
+
+	private:	// from CActive
+
+		void RunL();
+		void DoCancel();
+		TInt RunError();	
+		
+
+	private:    // Data
+
+	    RProperty iProperty;
+	    MPSCallback& iCallback;
+	    TUid iCategory;
+	    TInt iKey;
+	    
+   };
+
+} // namespace AiXmlUiController
+
+#endif      // C_PSOBSERVER_H 
+           
+//  End of File