/*

* Copyright (c) 2005 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: MMCScBkupPhoneModelUtils implementation

*

*

*/

#include "MMCScBkupPhoneModelUtils.h"

// User includes

#include "MMCScBkupArchiveFlags.h"

#include "MMCScBkupArchiveUtils.h"

// System includes

#include <sysutil.h>

// ========================= MEMBER FUNCTIONS ================================

// ---------------------------------------------------------------------------

// MMCScBkupPhoneModelUtils::CurrentPhoneModelLC()

// 

// 

// ---------------------------------------------------------------------------

HBufC8* MMCScBkupPhoneModelUtils::CurrentPhoneModelLC()

    {

    HBufC8* ret = HBufC8::NewLC( MaximumPhoneModelIdentifierLength() );

    //

    TBuf<KSysUtilVersionTextLength> version;

    const TInt thirdLine(3);

    const TInt err = SysUtil::GetSWVersion( version);

    if  ( err == KErrNone )

        {

        // Assume syntax Vxx.xx\ndd-mm-yy\nNHL-vvv\n(c)

        // Extract model version from third line

        for(TInt i(0); i < thirdLine; i++)

            {

            TInt cutPos = version.Locate( '\n' );

            if( cutPos == KErrNotFound )

                {

                break;

                }

            else if(i < ( thirdLine - 1 ) )

                {

                version.Delete( 0, cutPos + 1 );

                }

            else

                {

                cutPos = version.Locate( '\n' );

                if( cutPos != KErrNotFound )

                    {

                    version.Delete( cutPos, (version.Length() - cutPos) );

                    }

                ret->Des().Copy( version );

                }

            }

        }

    // Implicit requirement - should always be the case though

    __ASSERT_ALWAYS( ret->Length() <= 255, User::Invariant());

    return ret;

    }

// ---------------------------------------------------------------------------

// MMCScBkupPhoneModelUtils::MaximumPhoneModelIdentifierLength()

// 

// 

// ---------------------------------------------------------------------------

TInt MMCScBkupPhoneModelUtils::MaximumPhoneModelIdentifierLength()

    {

    return KSysUtilVersionTextLength;

    }

// ---------------------------------------------------------------------------

// MMCScBkupPhoneModelUtils::ArchiveRestorePermissableL()

// 

// 

// ---------------------------------------------------------------------------

TBool MMCScBkupPhoneModelUtils::ArchiveRestorePermissableL( const TDesC8& aPhoneModelData, TBitFlags aArchiveFlags, const TVersion& aArchiveVersion )

    {

    TBool restoreOkay = EFalse;

    // Check version first

    restoreOkay = ( aArchiveVersion.iMajor >= KMMCScBkupArchiveFileFormatFirstRestorableMajorVersion );

    // Check flags next

    if  ( restoreOkay )

        {

        restoreOkay = ( aArchiveFlags.Value() & EMMCScBkupArchiveFlagsContentValid );

        // Only check model if the flags were alright

        if  ( restoreOkay )

            {

            HBufC8* currentData = CurrentPhoneModelLC();

            restoreOkay = ( aPhoneModelData.Compare( *currentData ) == 0 );

            CleanupStack::PopAndDestroy( currentData );

            }

        }

    // Done

    return restoreOkay;

    }