diff -r 5f0182e07bfb -r 5456b4e8b3a8 menufw/hierarchynavigator/hnengine/inc/hncontrollerinterface.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/hierarchynavigator/hnengine/inc/hncontrollerinterface.h	Wed Sep 01 12:32:46 2010 +0100
@@ -0,0 +1,90 @@
+/*
+* Copyright (c) 2007-2008 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:
+*
+*/
+
+
+#ifndef HNCONTROLLERINTERFACE_H
+#define HNCONTROLLERINTERFACE_H
+
+#include "hnsuiteobserver.h"
+
+class CLiwGenericParamList;
+
+/**
+ * @ingroup group_hnengine
+ * User interface refresh type
+ */
+enum THnUiRefreshType
+    {
+        ERefreshSuite,
+        ERefreshToolbar,
+        EStartEditMode,
+        EStopEditMode,
+        EForegroundGain,
+        EBackgroundGain,
+        ELightOn,
+        ELightOff,
+        ERemoveLiwObjects
+    };
+
+
+/**
+ * @ingroup group_hnengine
+ * UI refresh observer. The implementing class can be notified about the ui being refreshed.
+ *
+ * @lib hnengine
+ * @since S60 v3.2
+ */
+class MHnControllerInterface : public MHnSuiteObserver
+    {
+public:
+
+    /**
+     * Called when the ui needs to be refreshed,
+     * for a reason indicated in aRefreshType.
+     *
+     * @since S60 v3.2
+     * @param aRefreshType Defines reason for refresh.
+     */
+    virtual void NotifyUiRefreshL( const THnUiRefreshType aRefreshType ) = 0;
+
+    /**
+     * Trigger appropriate action on suite model.
+     *
+     * @param aCustomSuiteEvent Event that is associated
+     *                          with the lifecycle of a suite
+     * @param aModel Suite model on that custom event should be performed.
+     */
+    virtual void HandleSuiteEventL ( THnCustomSuiteEvent aCustomSuiteEvent,
+            CHnSuiteModel *aModel ) = 0;
+
+    /**
+     * Whenever an action for extension manager occurs it invokes
+     * this method to execute one, passing the information needed
+     * by extension manager about the action as a parameters.
+     *
+     * @param aUid UID of the ECom plugin's.
+     * @param aCommand Command which has to be executed on the plugin.
+     *                 Request to the Service.
+     * @param aEventParamList List of the event parameters needed to
+     *                        execute action. Extention Manager is its owner.
+     * @return Number representing error code.
+     */
+    virtual TInt ExecuteExtensionActionL( const TUid aUid , const TDesC& aCommand,
+            CLiwGenericParamList* aEventParamList ) = 0;
+    };
+
+#endif //HNCONTROLLERINTERFACE_H