// Copyright (c) 2006-2009 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:

//

#ifndef DEVSOUNDADAPTATIONINFOIMPLBODY_H

#define DEVSOUNDADAPTATIONINFOIMPLBODY_H

#include <e32std.h>

#include <ecom/ecom.h>

#include <a3f/a3f_trace_utils.h>

#include <a3f/a3ffourcclookup.h>

#include <mmf/common/mmfutilities.h> // For TFourCC

#include "devsoundadaptationinfoimpl.h"

#define KFOURCCLENGTH 4

class MA3FDevSoundAdaptationInfoObserver;

/*

The real implementation of CA3FDevsoundAdaptationInfo.

*/

NONSHARABLE_CLASS(CA3FDevSoundAdaptationInfoImpl::CBody) : public CActive, public MTruePauseCustomInterface

	{

public:

	/*

	Factory

	*/

	static CBody* NewL(MA3FDevSoundAdaptationInfoObserver& aObserver, CFourCCConvertor& aFourCcConvertor);

	/*

	Destructor.

	*/

	~CBody();

	TInt RequestMaxGain(TUid aCodecType);

	TInt RequestSupportedFormats(TUid aCodecType, RArray<TUid>& aSupportedFormats);

	// From CActive

	TInt Extension_(TUint aExtensionId, TAny*& aExtPtr, TAny*);

	// from MTruePauseCustomInterface

	TBool IsResumeSupported(TUid aCodecType, TUid aFormat);

private:

	static TBool IsDataTypeMatch(TFourCC aFourCCPCM16,TFourCC aFourCC);

	void SeekHwDevicePluginsL(RArray<TFourCC>& aSupportedDataTypes, TUid aCodecType);

	void ReadSupportedFormatsL(TUid aCodecType, RArray<TUid>& aSupportedFormats);

	TBool FourCCExists(RArray<TFourCC>& aSupportedDataTypes,TFourCC aFourCCEntry);

	void ReadFourCC(CImplementationInformation* aHwDeviceResourceEntry, TFourCC& aFourCCLeft, TFourCC& aFourCCRight);

protected:

	void ConstructL(MA3FDevSoundAdaptationInfoObserver& aAdaptationInfoObserver, CFourCCConvertor& aFourCcConvertor);

	CBody();

	// from CActive

	void RunL();

	void DoCancel();

	TInt RunError(TInt aError);

private:

	MA3FDevSoundAdaptationInfoObserver* iAdaptationInfoObserver;

	// Pointer to fourcc convertor

	// Not owned.

	CFourCCConvertor* iFourCcConvertor;

	TBool iMaxGainRequested;

	TBool iFormatsRequested;

	TUid iCodecType;

	};

#endif // DEVSOUNDADAPTATIONINFOIMPLBODY_H