--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/EikStd/coctlinc/akncollectionobserver.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,59 @@
+/*
+* Copyright (c) 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:  Collection observer interface.
+*
+*/
+
+#ifndef M_AKNCOLLECTIONOBSERVER_H
+#define M_AKNCOLLECTIONOBSERVER_H
+
+class CAknItemActionMenu;
+
+/**
+ * Collection observer.
+ *
+ * This interface is intended for those objects that are interested
+ * of collection state and need to receive collection notifications.
+ *
+ * @lib eikcoctl
+ * @since S60 v5.2
+ */
+class MAknCollectionObserver
+    {
+public:
+
+    /**
+     * This method is used to set the item action menu to observer.
+     * 
+     * @param aItemActionMenu Item action menu. 
+     */
+    virtual void SetItemActionMenu( CAknItemActionMenu* aItemActionMenu ) = 0;
+
+    /**
+     * This method is called when there are changes in collection state.
+     * 
+     * @param aCollectionVisible ETrue if changed collection is visible.
+     */
+    virtual void CollectionChanged( TBool aCollectionVisible ) = 0;
+
+    /**
+     * This method returns ETrue if collection observer is active.
+     * 
+     * @return ETrue if observer is active.
+     */
+    virtual TBool Active() const = 0;
+
+    };
+
+#endif // M_AKNCOLLECTIONOBSERVER_H