diff -r 000000000000 -r 40261b775718 devsound/a3facf/inc/msynccisupport.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/a3facf/inc/msynccisupport.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,82 @@
+// 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:
+//
+
+/**
+ @file
+ @publishedPartner 
+ @released
+*/
+
+
+#ifndef MSYNCCISUPPORT_H
+#define MSYNCCISUPPORT_H
+
+#include <e32base.h>
+#include <a3f/a3fbase.h>
+
+const TUid KUidExtensionInferface = { 0x1028348B };
+
+/**
+ * An interface to get notifications from Custom Interface state change.
+ */
+class MCustomInterfaceSupportObserver
+	{
+public:
+	/* *
+	 * Called to state that CI is being removed use depends on which type of CI is involved.
+	 * @param aUid the Uid of the CI.
+	 *
+	 * @param aPtr on returns contains a pointer to the CI.
+	 */
+	virtual void CustomInterfaceRemoval(TUid aInterfaceUid, TAny* aPtr) = 0;
+	};
+
+
+/**
+ * An interface to get Custom Interface.
+ */
+class MCustomInterfaceSupport
+	{
+public:
+	/**
+	 * Request custom interface associated with aUid. 
+	 * Whether multiple calls returns the same pointer and/or
+	 * ownership is transferred depends on the specific uid. 
+	 *
+	 * @param aUid the Uid of the CI .
+	 * @param aPtr on returns contains a pointer to the CI.
+	 */
+	virtual TInt RequestCustomInterface(TUid aUid, TAny*& aPtr) = 0;
+
+	/**
+	 * Registers an interface support observer.
+	 *
+	 * The observer will be notified when the custom interface has been removed .
+	 *
+	 * @param aObserver the observer reference to register.
+	 * @return An error code. KErrNone on success, otherwise one of the system wide error codes.
+	 */
+	virtual TInt RegisterObserver(MCustomInterfaceSupportObserver& aObserver) = 0;
+
+	/**
+	 * Unregisters an interface support observer.
+	 * 
+	 * @param aObserver the observer reference to unregister.
+	 * @return An error code. KErrNone on success, otherwise one of the system wide error codes.
+ 	 */
+	virtual void UnRegisterObserver(MCustomInterfaceSupportObserver& aObserver) = 0; 
+	};
+
+#endif  // MSYNCCISUPPORT_H