/*

* 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.

*

* Contributors:

*

* Description:  The audio opened state declaration

*  Version     : %version: 2.2.3 %

*

*/

#ifndef C_BTMSAUDIO_H

#define C_BTMSAUDIO_H

#include "btmstate.h"

#include "btmsinuse.h"

class CBtmSyncSock;

/**

 *  audio opened state

 *

 *  This state indicates a sync socket connection with a BT device

 *

 *  @since S60 v3.1

 */

class CBtmsAudio : public CBtmsInuse

    {

public:

    static CBtmsAudio* NewL(CBtmMan& aParent, CBtmRfcommSock* aRfcomm, CBtmSyncSock* aSco);

    virtual ~CBtmsAudio();

private:

    // From base class CBtmState

    /**

     * From CBtmState

     * Entry of this state.

     *

     * @since S60 v3.1

    */

    void EnterL();

    /** 

     * disconnect the connected accessory

     *

     * @since S60 v3.1

     * @param aAddr the BD address of the accessory

     * @param aStatus On completion, will contain an error code

     */

    void DisconnectL(const TBTDevAddr& aAddr, TRequestStatus& aStatus);

    void OpenAudioLinkL(const TBTDevAddr& aAddr, TRequestStatus& aStatus);

    /** 

     * Close the audio link (synchronous) to the connected accessory

     *

     * @since S60 v3.1

     * @param aAddr the BD address of the accessory

     * @param aStatus On completion, will contain an error code

     */

    void CloseAudioLinkL(const TBTDevAddr& aAddr, TRequestStatus& aStatus);

    // From base class CBtmsInuse

    /**

     * The interface for subclasses to handle RFComm error situations.

     *

     * @since S60 v3.1

     * @param aErr the completion error code

     */

    void RfcommErrorL(TInt aErr);

    // From base class CBtmstate

    /*

     * Get auido link latency 

     *

     * @since S60 v5.0

     */  

    TInt AudioLinkLatency();

    // From base class MBtmSockObserver

    /**

     * Notification of a synchronous socket disconnect completion event.

     *

     * @since S60 v3.1

     * @param aErr the completion error code

     */

    void SyncLinkDisconnectCompleteL(TInt aErr);

private:

    CBtmsAudio(CBtmMan& aParent, CBtmRfcommSock* aRfcomm, CBtmSyncSock* aSco);

private:

    /**

     * sync socket that has a sco connection with a BT device.

     * Ownership is possible to be transfered the the next state.

     */

    CBtmSyncSock* iSco;

    };

#endif // C_BTMSAUDIO_H