/*

* Copyright (c) 2007 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 RESOURCEDATA_H

#define RESOURCEDATA_H

// INCLUDES

#include <e32base.h>

#include <barsread.h>

#include <mmf/server/mmfhwdevice.h>

#include "audiocodec.h"

_LIT16(KDrive,"z:");

_LIT16(KFileNameFormat,"HwDev0x%x.rsc");

const TInt8 KResFileNameLength = 20;

const TInt8 KResFileNameAndPathLength = 50;

// CLASS DECLARATION

/////

// Class is used to read capabilities and initilaization data from codec

// resource data files.

///

NONSHARABLE_CLASS (CResourceData) : public CBase

	{

public: // Constructors and destructor

	/////

	 // Two-phased constructor.

	 //

	 // @param aResourceUid       UID of the resource whose data to read.

	 // @return CResourceData*  Pointer to a newly constructed object.

	 ///

	static CResourceData* NewL(TUid aResourceUid);

	/////

	 // Destructor.

     ///

	~CResourceData();

public:

	/////

	 // Reads the capabilities data.

	 //

	 // @param aMode      Mode of the resource.

	 // @param aConf      On return from a succesful call, contains the capabilities data.

 	 // @return           error code

	 ///

	TInt GetSSampleRates(TMode aMode, RArray<TInt>& aSampleRate);

	TInt GetSModes(TMode aMode, RArray<TUid>& aModeConfig);

private:

	//Constructor.

	CResourceData();

	//2nd phase constructor is private.

	//The param is the UID of the resource whose data to read.

	void ConstructL(TUid aResourceUid);

	//Utility method for seeking resource to the correct mode. Leaves with

	//KErrNotFound if mode is not found in the opened resource.

	//aMode is the codec mode.

	TInt SeekToMode(TMode aMode);

private: // Data

	// Resource UID.

	TUid iResourceUid;

	// Resource file data.

	HBufC8* iResourceData;

	// Resource file reader.

	TResourceReader iResourceReader;

	// Resource data end pointer (for safety checks).

	const TUint8* iResourceDataEnd;

	};

#endif // RESOURCEDATA_H

// End of File