/*

* 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__