/*

* Copyright (c) 2005-2006 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.

*  Version     : %version:  3.2.3 %

*

* Contributors:

*

* Description:  An abstract class implemented by classes which are communicating 

*                with Accessory Fw or DOS 

*

*/

#ifndef BTACC_FW_IF_H

#define BTACC_FW_IF_H

//  INCLUDES

#include <AccessoryTypes.h> // TAccAudioType

// FORWARD DECLARATION

class TAccInfo;

// CLASS DECLARATION

/**

*  CBTSession class represent session on server side

*

*/

NONSHARABLE_CLASS(CBasrvAccfwIf) : public CBase

    {

    public: // New Functions

         /**

        * Constructor.        

        */

        static CBasrvAccfwIf* NewL(const TAccInfo* aInfo = NULL); 

         /**

        * Informs the class that there is a request pending.

        * @param    aUse True if a request is pending, false otherwise.

        * return     None.

        */

        virtual void CompleteReq(TBool aUse) = 0;

        /**

        * Request Accessory Framework to attach accessory

        * @param    aBDAddr BT Device Address of accessory to be attached

        * @param     aStatus Success status of the operation.

        * return     success code of request to attach accessory

        */

        virtual void AttachAccessory(const TBTDevAddr& aBDAddr, TRequestStatus& aStatus) = 0;

        /**

        * Request Accessory Framework to cancel attach accessory

        * @param    aBDAddr BT Device Address of accessory to be attached

        * return     success code of request to attach accessory

        */

        virtual void CancelAttachAccessory(const TBTDevAddr& aBDAddr)= 0;

        /**

        * Request Accessory Framework to detatch accessory

        * @param    aBDAddr BT Device Address of accessory to be attached

        * @param     aStatus Success status of the operation.

        * return     None.

        */

        virtual void DetatchAccessory(const TBTDevAddr& aBDAddr, TRequestStatus& aStatus)= 0;

        /**

        * Register for notification when audio link is required to be opened.

        * @param aStatus                Success status of the operation.

        * @return                       None.

        */

          virtual void NotifyBTAudioLinkOpenReq(TBTDevAddr& aBDAddress, TRequestStatus& aStatus, TAccAudioType& aType )= 0;

        /**

        * Register for notification when audio link is required to be closed.

        * @param aStatus                Success status of the operation.

        * @return                       None.

        */

        virtual void NotifyBTAudioLinkCloseReq(TBTDevAddr& aBDAdress, TRequestStatus& aStatus, TAccAudioType& aType )= 0; 

        /**

        * Cancel registeration for notification when audio link is required to be opened.

        * @param aStatus                Success status of the operation.

        * @return                       None.

        */

          virtual void CancelNotifyBTAudioLinkOpenReq()= 0;

        /**

        * Cancel registeration for notification when audio link is required to be closed.

        * @param aStatus                Success status of the operation.

        * @return                       None.

        */

        virtual void CancelNotifyBTAudioLinkCloseReq()= 0; 

        /**

        * Informs that the audio connection open operation has completed.

        * @param aStatus                Success status of the operation.

        * @return                       None.

        */

        virtual void AudioConnectionOpenCompleteL( const TBTDevAddr& aBDAddress,

                                          TInt aResp, TInt aLatency = 0 )= 0;

        /**

        * Informs that the audio connection close operation has completed.

        * @param aStatus                Success status of the operation.

        * @return                       None.

        */

        virtual void AudioConnectionCloseCompleteL( const TBTDevAddr& aBDAddress, 

                                            TInt aResp )= 0;

        /**

        * Notifies the DOS that an audio connection to the currently connected

        * accessory has been opened.

        * @param aBDAddress             BT hardware address of the accessory.

        * @return                       None.

        */

        virtual void NotifyAudioLinkOpenL( const TBTDevAddr& aBDAddress, TAccAudioType aType )= 0;

        /**

        * Notifies the DOS that the audio connection to the currently connected

        * accessory has been closed.

        * @param aBDAddress             BT hardware address of the accessory.

        * @return                       None.

        */

        virtual void NotifyAudioLinkCloseL( const TBTDevAddr& aBDAddress, TAccAudioType aType )= 0;

        /**

        * Requests Accessory Framework or Dos to disable NREC

        * @param aBDAddress             BT hardware address of the accessory.

        * @return                       None.

        */

        virtual TInt DisableNREC(const TBTDevAddr& aBDAddress) = 0; 

    };

#endif