diff -r 000000000000 -r 4e1aa6a622a0 accessoryservices/remotecontrolfw/client/extapi1/src/absvolutils.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/accessoryservices/remotecontrolfw/client/extapi1/src/absvolutils.cpp Tue Feb 02 00:53:00 2010 +0200 @@ -0,0 +1,45 @@ +// Copyright (c) 2004-2009 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: +// + +/** + @file + @publishedPartner + @released +*/ + +#include "absvolutils.h" + +TInt GetAbsMaxVol(const TDesC8& aData, TUint& aAbsVol, TUint& aMaxVol) + { + // Decompose aData to get the absolute volume. It should be in the format + // '0xAAAAAAAA0xBBBBBBBB' where AAAAAAAA is the absolute volume, and + // BBBBBBBB is the maximum volume. If it isn't in this format, return + // error. + TInt err = KErrArgument; + + // 20 is the size we need for the following formatting. + if ( aData.Length() >= 20 ) + { + TLex8 lex(aData.Mid(2, 8)); + err = lex.Val(aAbsVol, EHex); + if ( err == KErrNone ) + { + TLex8 lex(aData.Mid(12, 8)); + err = lex.Val(aMaxVol, EHex); + } + } + + return err; + }