--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappfw_plat/mpx_view_utility_api/inc/mpxviewactivationobserver.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,84 @@
+/*
+* Copyright (c) 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:  MPX view activcation observer interface definition
+*
+*/
+
+
+
+#ifndef MMPXVIEWACTIVATIONOBSERVER_H
+#define MMPXVIEWACTIVATIONOBSERVER_H
+
+
+// INCLUDES
+#include <e32std.h>
+
+
+// FORWARD DECLARATIONS
+
+
+// CLASS DECLARATION
+
+/**
+ *  MPX view activation observer.
+ *
+ *  @lib mpxviewutility.lib
+ */
+NONSHARABLE_CLASS( MMPXViewActivationObserver )
+    {
+public:
+    enum TViewUpdateEvent
+        {
+        EViewPluginAdd,
+        EViewPluginUpdate,
+        EViewPluginRemove
+        };
+
+public:
+
+    /**
+     * Handle view activation.
+     *
+     * @since S60 3.2.3
+     * @param aCurrentViewType Current view type Uid.
+     * @param aPreviousViewType Previous view type Uid.
+     */
+    virtual void HandleViewActivation(
+        const TUid& aCurrentViewType,
+        const TUid& aPreviousViewType ) = 0;
+
+    /**
+     * Called in case a view plugin is added/updated/removed through a SIS install.
+     *
+     * @since S60 3.2.3
+     * @param aViewUid view UID
+     * @param aUpdateEvent Defines the update type (addition/update/removal).
+     * @param aLoaded ETrue if the view plugin is loaded, EFalse otherwise. It is recommended
+     *          that client applications exit when loaded plugins are updated or removed.
+     *          This would normally be handled in the AppUi.
+     * @param aData Its meaning depends on the update event:
+     *            EViewPluginAdd - new view plugin version
+     *            EViewPluginUpdate - new view plugin version
+     *            EViewPluginRemove - old view plugin version
+     */
+    virtual void HandleViewUpdate(
+        TUid /* aViewUid */,
+        TViewUpdateEvent /* aUpdateEvent */,
+        TBool /* aLoaded */,
+        TInt /* aData */) {};
+    };
+
+#endif  // MMPXVIEWACTIVATIONOBSERVER_H
+
+// End of File