/*

* Copyright (c) 2002 - 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:  

*     Static class to help mtm service queries.

*

*/

// INCLUDE FILES

#include <e32base.h>

#include <bldvariant.hrh>           // For feature flags  

#include <msvuids.h>                // KUidMsvServiceEntry

#include <data_caging_path_literals.hrh> // KDC_RESOURCE_FILES_DIR

#include <msvapi.h>

#include <msvstd.hrh>

#include <msvids.h>

#include <mtclreg.h>                // CClientMtmRegistry

#include <mtclbase.h>               // CBaseMtm

#include <centralrepository.h>      // CRepository 

#include <UiklafInternalCRKeys.h>   // KCRUidUiklaf, KUikOODDiskCriticalThreshold

#include <MuiuServiceUtilities.h>

// CONSTANTS

const TInt KMuiuCharQuote = '\"';

const TInt KMuiuCharBackSlash = '\\';

const TInt KMuiuCharDot = '.';

const TInt KMuiuCharSpace = ' ';

const TInt KMuiuCharDel = 127;

const TInt KMuiuCharAt = '@';

const TInt KMuiuSpecialCharStrLen = 12;

_LIT( KRFC822Specials,"()<>@,;:\\\"[]");

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

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

// MsvUiServiceUtilitiesr::GetListOfAccountsL

//

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

//

EXPORT_C CMsvEntrySelection* MsvUiServiceUtilities::GetListOfAccountsL( CMsvSession& aSession, 

                                                                        TBool aAlwaysListHidden )

    { // static

    return DoGetListOfAccountsL( aSession, KNullUid, aAlwaysListHidden );

    }

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

// MsvUiServiceUtilitiesr::GetListOfAccountsWithMTML

//

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

//

EXPORT_C CMsvEntrySelection* MsvUiServiceUtilities::GetListOfAccountsWithMTML( 

                                                    CMsvSession& aSession, 

                                                    TUid aMtm, TBool aAlwaysListHidden )

    { // static

    return DoGetListOfAccountsL( aSession, aMtm, aAlwaysListHidden );

    }

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

// MsvUiServiceUtilitiesr::DoGetListOfAccountsL

//

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

//

CMsvEntrySelection* MsvUiServiceUtilities::DoGetListOfAccountsL( CMsvSession& aSession, 

                                                                 TUid aMtm, 

                                                                 TBool aAlwaysListHidden )

    {

    CMsvEntrySelection* sel = new( ELeave ) CMsvEntrySelection();

    CleanupStack::PushL( sel );

    CMsvEntry* entry = aSession.GetEntryL( KMsvRootIndexEntryIdValue );

    CleanupStack::PushL( entry );

    TBool visible = EFalse;

    TInt err;

    TInt cnt = entry->Count();

    if ( cnt != 0 )

        {

        entry->SetSortTypeL( TMsvSelectionOrdering( KMsvGroupByType | KMsvGroupByStandardFolders, 

                                                    EMsvSortByDetailsReverse, ETrue ) );

        const TMsvEntry* tentry;

        for (TInt cc = entry->Count(); --cc >= 0; )

            {

            tentry=&(*entry)[cc];

            if ( aMtm == KNullUid || tentry->iMtm == aMtm )

                {

                if ( tentry->iType.iUid == KUidMsvServiceEntryValue && 

                     tentry->Id() != KMsvLocalServiceIndexEntryIdValue )

                    {

                    const TBool noRelatedId = tentry->iRelatedId == KMsvNullIndexEntryId || 

                                tentry->iRelatedId == tentry->Id();

                    if ( tentry->Visible() || noRelatedId || aAlwaysListHidden )

                        {

                        // Add this service if:

                        // it is visible, or,there is no associated related service, or,

                        // we have been asked to list all services.

                        sel->AppendL( tentry->Id() );

                        }

                    else

                        {

                        // This service is invisible and has a related service.

                        // If the related service is visible we will add it later.

                        // If the related service is also invisible, and has not yet been added,

                        // add this service.

                        TRAP( err, visible = entry->ChildDataL( tentry->iRelatedId ).Visible() )

                            if ( err == KErrNone && !visible && 

                                 sel->Find(tentry->iRelatedId) != KErrNone )

                                {

                                sel->AppendL( tentry->Id() );

                                }

                        }

                    }

                }

            }

        }

    CleanupStack::PopAndDestroy( entry );

    CleanupStack::Pop( sel );

    return sel;

    }

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

// MsvUiServiceUtilities::IsValidEmailAddressL

//

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

EXPORT_C TBool MsvUiServiceUtilities::IsValidEmailAddressL( const TDesC& aAddress )

    {

    TInt c;

    TInt length = aAddress.Length ();

    TBufC<KMuiuSpecialCharStrLen> rfc822Specials ( KRFC822Specials );

    // first we validate the name portion (name@domain)

    if ( length && aAddress[0] == KMuiuCharDot )

        {

        return EFalse;

        }

    for ( c = 0 ; c < length ; c++ )

        {

        if ( aAddress[c] == KMuiuCharQuote && ( c == 0 || 

        aAddress[c-1] == KMuiuCharDot || aAddress[c-1] == KMuiuCharQuote ) )

            {

            while ( ++c < length )

                {

                if ( aAddress[c] == KMuiuCharQuote )

                    {

                    if( (c + 1) == length)

                        {

                        return EFalse;

                        }

                    break;

                    }

                if ( aAddress[c] == KMuiuCharBackSlash && 

                    ( aAddress[++c] == KMuiuCharSpace) ) 

                    {

                    continue;

                    }  

                if ( aAddress[c] <= KMuiuCharSpace || 

                    aAddress[c] >= KMuiuCharDel ) 

                    {

                    return EFalse;

                    }

                }

            if ( c++ == length )

                {

                return EFalse;

                }

            if ( aAddress[c] == KMuiuCharAt )

                {

                break;

                }

            if ( aAddress[c] != KMuiuCharDot )

                {

                return EFalse;

                }

            continue;

            }

        if ( aAddress[c] == KMuiuCharAt )

            {

            break; 

            }

        if ( aAddress[c] <= KMuiuCharSpace || aAddress[c] >= KMuiuCharDel )

            {

            return EFalse;

            }    

        if ( rfc822Specials.Locate ( aAddress[c] ) != KErrNotFound )

            {

            return EFalse;

            }

        }

    if ( c == 0 || aAddress[c-1] == KMuiuCharDot )

        {

        return EFalse;

        }

    // next we validate the domain portion (name@domain)

    if ( c == length )

        {

        return EFalse;

        }

    else

        {

        c++; 

        return IsValidDomainL ( aAddress.Mid ( ( c ) , length-c ) );

        }

    }

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

// MsvUiServiceUtilities::IsValidDomainL

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

EXPORT_C TBool MsvUiServiceUtilities::IsValidDomainL ( const TDesC& aDomain )

    {

    TInt c = 0;  

    TInt length = aDomain.Length ();

    TBufC<KMuiuSpecialCharStrLen> rfc822Specials ( KRFC822Specials );

    if ( length == 0 )

        {

        return EFalse;   

        }

    do

        {    

        if ( aDomain[c] == KMuiuCharDot )

            {

            if ( c == 0 || aDomain[c-1] == KMuiuCharDot )

                {

                return EFalse;

                }

            }

        if ( aDomain[c] <= KMuiuCharSpace || aDomain[c] >= KMuiuCharDel )

            {

            return EFalse;

            }

        if ( rfc822Specials.Locate( aDomain[c] ) != KErrNotFound )

            {

            return EFalse;

            }

        } 

    while ( ++c < length );

    return ( aDomain[length-1] != '.' );

    }

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

// MsvUiServiceUtilitiesr::DiskSpaceBelowCriticalLevelL

//

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

//

EXPORT_C TBool MsvUiServiceUtilities::DiskSpaceBelowCriticalLevelL( CMsvSession& aSession,

                                                                    TInt aBytesToWrite )

    {

    RFs& fs = aSession.FileSession();

    TInt err = KErrNone;

    TVolumeInfo vinfo;

    TInt currentDrive = TInt( aSession.CurrentDriveL() );

    err = fs.Volume( vinfo, currentDrive );

    if ( err != KErrNone )

        {

        User::LeaveIfError( err );

        }

    TInt64 freespace = vinfo.iFree;

    TInt64 newFree = freespace - ( TInt64 )aBytesToWrite;

    TInt criticalLevel;

    CRepository* repository = CRepository::NewLC( KCRUidUiklaf );

    repository->Get( KUikOODDiskCriticalThreshold, criticalLevel );

    CleanupStack::PopAndDestroy( repository ); //repository

    return ( newFree <= (TInt64)criticalLevel );

    }

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

// MsvUiServiceUtilities::DiskSpaceBelowCriticalLevelWithOverheadL

//

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

//

EXPORT_C TBool MsvUiServiceUtilities::DiskSpaceBelowCriticalLevelWithOverheadL( 

                                                                 CMsvSession& aSession,

                                                                 TInt aBytesToWrite,

                                                                 TInt aPhoneMemoryOverheadBytes )

    {

    RFs& fs = aSession.FileSession();

    TInt err = KErrNone;

    TBool belowCritical = EFalse;

    TVolumeInfo vinfo;

    TInt criticalLevel;

    CRepository* repository = CRepository::NewLC( KCRUidUiklaf );

    repository->Get( KUikOODDiskCriticalThreshold, criticalLevel );

    CleanupStack::PopAndDestroy( repository ); //repository

    TInt currentDrive = TInt( aSession.CurrentDriveL() );

    // Sending eat always some memory from C drive

    if( currentDrive != EDriveC )

        {

        err = fs.Volume( vinfo, EDriveC );

        if ( err != KErrNone )

            {

            User::LeaveIfError( err );

            }

        belowCritical = ( vinfo.iFree < ( (TInt64)aPhoneMemoryOverheadBytes + 

                                          (TInt64)criticalLevel ) );

        }

    if ( !belowCritical )

        {

        err = fs.Volume( vinfo, currentDrive );

        if ( err != KErrNone )

            {

            User::LeaveIfError( err );

            }

        if( currentDrive == EDriveC )

            {

            belowCritical = ( vinfo.iFree < ( (TInt64)aBytesToWrite + 

                                              (TInt64)aPhoneMemoryOverheadBytes + 

                                              (TInt64)criticalLevel ) );

            }

        else

            {

            belowCritical = ( vinfo.iFree < ( (TInt64)aBytesToWrite + (TInt64)criticalLevel ) );

            }

        }

    return belowCritical;

    }

// End of File