--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmmw_plat/telephony_multimedia_service_api/inc/tmsglobalroutingobsrvr.h	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,92 @@
+/*
+ * 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:This class provides callback mechanism for TMSGlobalRouting listeners.
+ *
+ */
+
+#ifndef TMS_GLOBAL_ROUTING_OBSRVR_H
+#define TMS_GLOBAL_ROUTING_OBSRVR_H
+
+// Include files
+#include <tms.h>
+
+namespace TMS {
+
+// FORWARD DECLARATIONS
+class TMSGlobalRouting;
+
+/**
+ * TMSGlobalRoutingObserver class
+ *
+ * This class provides callback mechanism for TMSGlobalRouting listeners.
+ *
+ * Client class that is interested in observing global audio routing event
+ * notifications must inherit from TMSGlobalRoutingObserver class and register
+ * itself with the TMSGlobalRouting object.
+ *
+ * Functions declared in this class are called when global audio routing
+ * events occur. GlobalRoutingEvent() will be called on every registered
+ * client on any global audio routing event.
+ *
+ * The client must not do any blocking, or perform any CPU-intensive operations
+ * in the callback methods. It is recommended that the client saves event data,
+ * returns from this function immediately and if necessary, responds to
+ * the event in asynchronous way.
+ *
+ * Usage:
+ * <code>
+ * // Register as an observer to TMSGlobalRouting
+ * iClient->AddObserver(*this);
+ * ...
+ * // Unregister (optional)
+ * iClient->RemoveObserver(*this);
+ * ...
+ * </code>
+ *
+ * @lib tmsapi.lib
+ *
+ */
+class TMSGlobalRoutingObserver
+    {
+public:
+
+    /**
+     * Signal global audio routing event.
+     *
+     * This method is called when a global audio routing event occurs.
+     *
+     * Notified events:
+     *  TMS_EVENT_ROUTING_AVAIL_OUTPUTS_CHANGED
+     *  TMS_EVENT_ROUTING_OUTPUT_CHANGED
+     *  TMS_EVENT_ROUTING_SET_OUTPUT_COMPLETE
+     *
+     * @param  routing
+     *      Pointer to the object that is being signaled.
+     *
+     * @param  event
+     *      Event descriptor.
+     *
+     * @param  output
+     *      Indicates the output device that audio will be routed to.
+     *
+     */
+    virtual void GlobalRoutingEvent(TMSGlobalRouting* routing,
+            TMSSignalEvent event, TMSAudioOutput output) = 0;
+    };
+
+} //namespace TMS
+
+#endif // TMS_GLOBAL_ROUTING_OBSRVR_H
+
+// End of file