--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/homescreensrv_plat/ai_content_model_api/inc/aieventhandlerextension.h	Thu Dec 17 08:54:17 2009 +0200
@@ -0,0 +1,75 @@
+/*
+* Copyright (c) 2005-2006 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:  Event handling extension for the CAiContentPublisher interface.
+*
+*/
+
+
+#ifndef M_AIEVENTHANDLEREXTENSION_H
+#define M_AIEVENTHANDLEREXTENSION_H
+
+#include <e32std.h>
+
+/**
+ *  Extension of the CAiContentPublisher interface, which allows Active Idle
+ *  Framework to notify their plug-ins that they must to handle event.
+ *  Plug-ins must provide implementation of interface only if they are
+ *  supporting event model (e.g. provides possibility to manipulate engine 
+ *  properties via UI).
+ *
+ *  @since S60 3.2
+ */
+class MAiEventHandlerExtension
+    {
+public:
+    /**
+     * Invoked by the framework when plug-in must handle an event.
+     *
+     * @param aEvent - unique identifier of event from plug-in content model.
+     * @param aParam - parameters associated with event. Each UI Definition
+     *        declares events in the format: <event name>(<event params>),
+     *        where <event name> is mapped by the framework to unique
+     *        identifier supplied in aEvent, <event params> are provided to
+     *        plug-in as-is in the descriptor.
+     */
+    virtual void HandleEvent(TInt aEvent, const TDesC& aParam) = 0;
+
+    /**
+    * Invoked by the framework when plug-in must handle an event.
+    *
+    * @param aEventName - name of the event from plug-in content model.
+    * @param aParam - parameters associated with event. Each UI Definition
+    *        declares events in the format: <event name>(<event params>),
+    *        where  <event name> mapping to unique identifier supplied by event 
+    *        is failed by the frame work then the  <event name> and  
+    *        <event params>  are provied to plug-in as-is in the descriptor.
+    */
+    virtual void HandleEvent(const TDesC& /*aEventName*/, const TDesC& /*aParam*/) { };
+    
+    /**
+    * Invoked by the framework for querying if plugin has menu item
+    *
+    * @param aMenuItem menu item name
+    * @return ETrue if plugin has specific menu item, EFalse otherwise
+    */    
+    virtual TBool HasMenuItem(const TDesC& /*aMenuItem*/) { return EFalse; }
+    
+protected:
+    /**
+     * Protected destructor prevents deletion through this interface.
+     */
+    ~MAiEventHandlerExtension() { }
+    };
+
+#endif // M_AIEVENTHANDLEREXTENSION_H