--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/bthid/bthidserver/inc/btconnectionobserver.h	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,85 @@
+/*
+* Copyright (c) 2008 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:  Declares main application class.
+ *
+*/
+
+
+#ifndef __BTCONNECTIONOBSERVER_H__
+#define __BTCONNECTIONOBSERVER_H__
+
+/*!
+ This class specifies the connection observer interface
+ Used in conjunction with CBTHidConnection class
+ */
+
+class MBTConnectionObserver
+    {
+public:
+
+    /*!
+     Reports control data received from the HID device
+     @param aConnID connection id
+     @param aBuffer the data buffer
+     */
+    virtual void HandleControlData(TInt aConnID, const TDesC8& aBuffer) = 0;
+
+    /*!
+     Reports completion of a Set/Get command to the HID device for  commands that
+     do not have a data response
+     @param aConnID connection id
+     @param aStatus command ack status code.
+     */
+    virtual void HandleCommandAck(TInt aConnID, TInt aStatus) = 0;
+
+    /*!
+     Reports interrupt data received from the HID device
+     @param aConnID connection id
+     @param aBuffer the data buffer
+     */
+    virtual void HandleInterruptData(TInt aConnID, const TDesC8& aBuffer) = 0;
+
+    /*!
+     Report a change in the connection status
+     @param aConnID connection id
+     @param aStatus KErrNone, or system error code.
+     */
+    virtual void FirstTimeConnectionComplete(TInt aConnID, TInt aStatus) = 0;
+
+    /*!
+     Reports that a connection has entered the link loss state
+     @param aConnID connection id
+     */
+    virtual void LinkLost(TInt aConnID) = 0;
+
+    /*!
+     Reports that a connection has been re-established
+     @param aConnID connection id
+     */
+    virtual void LinkRestored(TInt aConnID) = 0;
+
+    /*!
+     Reports that the Bluetooth Link has been intentionally disconnected
+     @param aConnID connection id
+     */
+    virtual void Disconnected(TInt aConnID) = 0;
+
+    /*!
+     Reports that a connection has been unplugged
+     @param aConnID connection id
+     */
+    virtual void Unplugged(TInt aConnID) = 0;
+    };
+
+#endif // __BTCONNECTIONOBSERVER_H__