1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/devsound/a3fdevsound/inc/mdevsoundadaptationinfoobserver.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,60 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 + 
    1.19 +#ifndef MDEVSOUNDADAPTATIONINFOOBSERVER_H
    1.20 +#define MDEVSOUNDADAPTATIONINFOOBSERVER_H
    1.21 +
    1.22 +/**
    1.23 +@publishedPartner
    1.24 +@file
    1.25 +@released
    1.26 + */
    1.27 +
    1.28 +#include <e32base.h>
    1.29 +#include <a3f/a3fbase.h>
    1.30 +
    1.31 +
    1.32 +/**
    1.33 + *  An interface to a set of A3FDevSoundAdaptationInfo callback functions.
    1.34 + *
    1.35 + *  This serves as the method of communication between the A3FDevSoundAdaptationInfo 
    1.36 + *  and the client
    1.37 + *
    1.38 + */
    1.39 +class MA3FDevSoundAdaptationInfoObserver
    1.40 +	{
    1.41 +public:
    1.42 +	/**
    1.43 +	* Notifies the observer of the max gain supported
    1.44 +	*
    1.45 +	* @param aCodecType the UID passed to the original RequestMaxGain() call
    1.46 +	* @param aError an standard symbian error code. KErrNone if succesful
    1.47 +	* @param aResult the supported MaxGain/MaxVolume value, if aError==KErrNone
    1.48 +	*/
    1.49 +	virtual void RequestMaxGainComplete (TUid aCodecType, TInt aError, TInt aResult)=0;
    1.50 +
    1.51 +
    1.52 +	/**
    1.53 +	* Notifies the observer that the max ramp time supported by the gain
    1.54 +	* control has changed.
    1.55 +	*
    1.56 +	* @param aCodecType the UID passed to the original RequestSupportedForamts() call
    1.57 +	* @param aError an standard symbian error code. KErrNone if succesful
    1.58 +	*/
    1.59 +	virtual void RequestSupportedFormatsComplete(TUid aCodecType, TInt aError)=0;
    1.60 +
    1.61 +	};
    1.62 +
    1.63 +#endif //MDEVSOUNDADAPTATIONINFOOBSERVER_H