diff -r 61bc0f252b2b -r bac7acad7cb3 camera_plat/active_palette_2_api/inc/activepalette2observer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camera_plat/active_palette_2_api/inc/activepalette2observer.h	Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,94 @@
+/*
+* Copyright (c) 2007-2009 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:  Interface used by AP to report events and request services
+*                from client application
+*
+*/
+
+
+
+/**
+ * @file ActivePalette2Observer.h
+ * Interface used by AP to report events and request services from 
+ * client application
+ */
+
+
+#ifndef _ACTIVE_PALETTE_2_OBSERVER_H
+#define _ACTIVE_PALETTE_2_OBSERVER_H
+
+#include <e32std.h>
+
+class TActivePalette2EventData;
+
+/**
+ * Interface for an Active Palette 2 observer. The AP will use this interface to inform the client app
+ * about certain events, and to request services.
+ */
+class MActivePalette2Observer
+    {
+    public:
+        /**
+         * Called when a new item is focused
+         * @param aPrevItem Item ID of previously focused item
+         * @param aFocusedItem Item ID of newly focused item
+         */
+    	virtual void NotifyItemFocused(TInt aPrevItem, TInt aFocusedItem) = 0;
+
+        /**
+         * Called when the user has selected an item from the AP, before the plugin is informed
+         * @param aEvent The event data
+         */
+    	virtual void NotifyItemSelected(const TActivePalette2EventData& aEvent) = 0;
+    	
+        /**
+         * Called when the user has selected an item from the AP, after the relevant plugin
+         * has completed processing the event
+         * @param aEvent The event data
+         * @param aDataDes Data descriptor
+         * @param aDataInt Data integer
+         */
+    	virtual void NotifyItemComplete(const TActivePalette2EventData& aEvent,
+    	                                const TDesC8& aDataDes,
+    	                                TInt aDataInt) = 0;
+
+        /**
+         * Called when a plugin generates a message for the client app.
+         * @param aEvent The event data
+         * @param aMessageID The ID of the message
+         * @param aDataDes Data descriptor
+         * @param aDataInt Data integer
+         */
+    	virtual void NotifyMessage(const TActivePalette2EventData& aEvent,
+    	                           TInt aMessageID,
+    	                           const TDesC8& aDataDes,
+    	                           TInt aDataInt) = 0;
+    	                           
+        /**
+         * Request for the client app to redraw the given area underneath the AP. Used to support semi-transparency.
+         * It is important that this completes quickly. This will only be called if a CCoeControl-derived AP is
+         * in use.
+         * @param aArea The area to redraw.
+         */    	                           
+        virtual void Redraw(const TRect& aArea) = 0;
+        
+        /**
+         * Informs the observer that the AP has been updated in some way. Includes animations. 
+         * Only called if SetGc() has previously been called on the AP with a non-NULL parameter, and if the AP
+         * in use is a CCoeControl.
+         */    	                           
+        virtual void ActivePaletteUpdated(void) = 0;
+    };
+
+#endif // _ACTIVE_PALETTE_2_OBSERVER_H