/*

* 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 opening state declaration

*

*/

#ifndef C_BTMSOPENAUDIO_H

#define C_BTMSOPENAUDIO_H

#include "btmsinuse.h"

class CBtmSyncSock;

// enum for eSCO parameter negotiation, same as Symbian eSCO packet types

enum EESCOParam

	{

	EEV3		= 0x20008,

	EEV4		= 0x20010,

	EEV5		= 0x20020,

	ENoeSCO = 0

	};

/**

 *  audio opening state

 *

 *  This state is responsible to establish sync socket connection with a BT device

 *

 *  @since S60 v3.1

 */

class CBtmsOpenAudio : public CBtmsInuse

    {

public:

    static CBtmsOpenAudio* NewL(CBtmMan& aParent, TRequestStatus* aRequest, 

        CBtmRfcommSock* aRfcomm, CBtmSyncSock* aSco, TBool aUseEsco = ETrue, EESCOParam aESCOParameter = EEV5);

    virtual ~CBtmsOpenAudio();

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 Disconnect(const TBTDevAddr& aAddr, TRequestStatus& aStatus);

    /** 

     * Open 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 OpenAudioLinkL(const TBTDevAddr& aAddr, TRequestStatus& aStatus);

    /** 

     * Cancel openning audio

     *

     * @since S60 v3.1

     */

    void CancelOpenAudioLinkL(const TBTDevAddr& aAddr);

    // 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 MBtmSockObserver

    /**

     * From MBtmSockObserver

     * Notification of a synchronous socket setup completion event.

     *

     * @since S60 v3.1

     * @param aErr the completion error code

     */

    void SyncLinkSetupCompleteL(TInt aErr);

    /**

     * From MBtmSockObserver

     * Notification of a synchronous socket accept completion event.

     *

     * @since S60 v3.1

     * @param aErr the completion error code

     */

    void SyncLinkAcceptCompleteL(TInt aErr);

private:

    CBtmsOpenAudio(CBtmMan& aParent, TRequestStatus* aRequest, 

        CBtmRfcommSock* aRfcomm, CBtmSyncSock* aSco, TBool aType, EESCOParam aESCOParameter);

    void ConstructL();

private:

    /**

     * sync Socket used for accepting SCO.

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

     */

    CBtmSyncSock* iAcceptSco;

    TBool iUseEsco;

    /**

     * sync Socket used for establishing SCO.

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

     */

    CBtmSyncSock* iSetupSco;

    EESCOParam iESCOParameter;

    };

#endif // C_BTMSOPENAUDIO_H