--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshavailability/inc/musavaavailabilityobserver.h	Thu Dec 17 08:44:37 2009 +0200
@@ -0,0 +1,64 @@
+/*
+* Copyright (c) 2005-2007 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:  This observer is used by
+*                availabilities to observer function from the availability
+*
+*/
+
+
+
+#ifndef MMUSAVAAVAILABILITYOBSERVER
+#define MMUSAVAAVAILABILITYOBSERVER
+
+#include <e32def.h>
+
+#include "musavaobserver.h"
+
+/**
+ *  MusAvailability Observer base class
+ *
+ *  Observer interface for ECOM clients.
+ *
+ *  @lib musavailabilityplugin.lib
+ */
+
+class MMusAvaAvailabilityObserver
+    {
+    
+public:
+
+    /**
+     * Availability report
+     *
+     * @param aStatus New status for availability.
+     */
+    virtual void AvailabilityChanged(
+        MMusAvaObserver::TAvailabilityName aName,
+        MMusAvaObserver::TAvailabilityStatus aStatus ) = 0;
+
+    virtual void AvailabilityError(
+        MMusAvaObserver::TAvailabilityName aName,
+        MMusAvaObserver::TAvailabilityStatus aStatus ) = 0;
+        
+    virtual TBool Available( 
+        MMusAvaObserver::TAvailabilityName aAvailability ) = 0;
+        
+        
+    virtual MMusAvaObserver::TAvailabilityStatus 
+    	AvailabilityPluginState() = 0;
+   
+    };
+
+
+#endif //MMUSAVAAVAILABILITYOBSERVER