--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/headsetsimulator/core/inc/hsobserver.h	Wed Sep 15 15:59:44 2010 +0200
@@ -0,0 +1,61 @@
+/*
+ * Component Name: Headset Simulator
+ * Author: Comarch S.A.
+ * Version: 1.0
+ * Copyright (c) 2010 Comarch S.A.
+ *  
+ * This Software is submitted by Comarch S.A. to Symbian Foundation Limited on 
+ * the basis of the Member Contribution Agreement entered between Comarch S.A. 
+ * and Symbian Foundation Limited on 5th June 2009 (“Agreement”) and may be 
+ * used only in accordance with the terms and conditions of the Agreement. 
+ * Any other usage, duplication or redistribution of this Software is not 
+ * allowed without written permission of Comarch S.A.
+ * 
+ */
+
+#ifndef HSOBSERVER_H
+#define HSOBSERVER_H
+
+/**
+ * @brief Observer to notify about Headset Simulator AG client and Remote 
+ * Controller's states.
+ */
+class MHsObserver
+{
+
+public:
+    /**
+     * Informs about established connection with AG.
+     */
+    virtual void HandleConnectedToClient() = 0;
+
+    /**
+     * Informs about released connection with AG.
+     */
+    virtual void HandleDisconnectedFromClient() = 0;
+
+    /**
+     * Informs that connection with  AG cannot be established.
+     */
+    virtual void HandleUnableToConnectClient() = 0;
+
+    /**
+     * Informs that connection with  AG is being established.
+     */
+    virtual void HandleConnectingToClient() = 0;
+
+    /**
+     * Informs about established connection with Headset Simulator's 
+     * Remote Controller.
+     */
+    virtual void HandleConnectedToRemoteController() = 0;
+
+    /**
+     * Informs about released connection with Headset Simulator's 
+     * Remote Controller.
+     */
+    virtual void HandleDisconnectedFromRemoteController() = 0;
+
+};
+
+#endif //HSOBSERVER_H