/*

* 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: 

*                 Inteface used by Plugins for call-back to Accessory Server

*

*/

#ifndef BTACC_OBSERVER_H

#define BTACC_OBSERVER_H

#include <e32def.h> // TInt

#include <btaccTypes.h>

// FORWARD DECLARATION

class TBTDevAddr;

// DATA

// CLASS DECLaRATION        

class MBTAccObserver

    {

public:

    /** 

    Called when an incoming response from a remote is ready to be picked up by 

    RemCon.

    @param aAddr The address the response came from.

    @return Error. If KErrNone, RemCon is committing to collecting the message 

    using GetResponse. If non-KErrNone, the message will be dropped by the 

    bearer.

    */

    virtual void NewAccessory(const TBTDevAddr& aAddr, TProfiles aType) = 0;    

    /** 

    Called when an incoming response from a remote is ready to be picked up by 

    RemCon.

    @param aAddr The address the response came from.

    @return Error. If KErrNone, RemCon is committing to collecting the message 

    using GetResponse. If non-KErrNone, the message will be dropped by the 

    bearer.

    */

    virtual void AccessoryDisconnected(const TBTDevAddr& aAddr, TProfiles aType) = 0;

    /** 

    Called when an incoming response from a remote is ready to be picked up by 

    RemCon.

    @param aAddr The address the response came from.

    @return Error. If KErrNone, RemCon is committing to collecting the message 

    using GetResponse. If non-KErrNone, the message will be dropped by the 

    bearer.

    */

    virtual void RemoteAudioOpened(const TBTDevAddr& aAddr, TProfiles  aType) = 0;

    /** 

    Called when an incoming response from a remote is ready to be picked up by 

    RemCon.

    @param aAddr The address the response came from.

    @return Error. If KErrNone, RemCon is committing to collecting the message 

    using GetResponse. If non-KErrNone, the message will be dropped by the 

    bearer.

    */

    virtual void RemoteAudioClosed(const TBTDevAddr& aAddr, TProfiles  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& aAddr) = 0; 

    /** 

    * Called when a remote should be temporarily taken out of use. 

	* @param aAddr The address of the remote.

	*/

	virtual void AccessoryTemporarilyUnavailable(const TBTDevAddr& aAddr, TProfiles aType) = 0;

    virtual TInt ConnectionStatus(const TBTDevAddr& aAddr) = 0;

    virtual TBool IsAvrcpVolCTSupported() = 0;

    virtual TBool IsAvrcpLegacyVolCTSupported() = 0;

    virtual TBool IsAbsoluteVolumeSupported(const TBTDevAddr& aAddr) = 0;

    /**

     * Get the supported features of a profile in a device.

     * @param aAddr The address of the device.

     * @param aType the profile identifier

     * @return the supported features value.

     */

    virtual TInt SupportedFeature( const TBTDevAddr& aAddr, TProfiles aType ) const = 0;

    };

#endif // BTACC_OBSERVER_H