1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15  

    16 #ifndef MDEVSOUNDADAPTATIONINFOOBSERVER_H

    17 #define MDEVSOUNDADAPTATIONINFOOBSERVER_H

    18 

    19 /**

    20 @publishedPartner

    21 @file

    22 @released

    23  */

    24 

    25 #include <e32base.h>

    26 #include <a3f/a3fbase.h>

    27 

    28 

    29 /**

    30  *  An interface to a set of A3FDevSoundAdaptationInfo callback functions.

    31  *

    32  *  This serves as the method of communication between the A3FDevSoundAdaptationInfo 

    33  *  and the client

    34  *

    35  */

    36 class MA3FDevSoundAdaptationInfoObserver

    37 	{

    38 public:

    39 	/**

    40 	* Notifies the observer of the max gain supported

    41 	*

    42 	* @param aCodecType the UID passed to the original RequestMaxGain() call

    43 	* @param aError an standard symbian error code. KErrNone if succesful

    44 	* @param aResult the supported MaxGain/MaxVolume value, if aError==KErrNone

    45 	*/

    46 	virtual void RequestMaxGainComplete (TUid aCodecType, TInt aError, TInt aResult)=0;

    47 

    48 

    49 	/**

    50 	* Notifies the observer that the max ramp time supported by the gain

    51 	* control has changed.

    52 	*

    53 	* @param aCodecType the UID passed to the original RequestSupportedForamts() call

    54 	* @param aError an standard symbian error code. KErrNone if succesful

    55 	*/

    56 	virtual void RequestSupportedFormatsComplete(TUid aCodecType, TInt aError)=0;

    57 

    58 	};

    59 

    60 #endif //MDEVSOUNDADAPTATIONINFOOBSERVER_H