/*

* Copyright (c) 2007-2009 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:  ESMRIcalViewer utility methods

*

*/

#include "emailtrace.h"

#include "esmricalviewerutils.h"

#include "cesmrattachmentinfo.h"

//<cmail>

#include "CFSMailMessagePart.h"

#include "CFSMailClient.h"

#include "CFSMailMessage.h"

#include "CFSMailBox.h"

//</cmail>

#include <calentry.h>

#include <caluser.h>

#include <cmrmailboxutils.h>

// Unnamed namespace for local definitions

namespace {

const TInt KZero( 0 );

_LIT( KTextCalendar, "text/calendar");

}//namespace

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

// ESMRIcalViewerUtils::EmailOperation

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

//

TESMRIcalViewerOperationType ESMRIcalViewerUtils::EmailOperation(

        TInt aCommandId )

    {

    FUNC_LOG;

    TESMRIcalViewerOperationType command( EESMRCmdOpenAttachment );

    switch ( aCommandId )

        {

        case EESMRCmdAcceptMR://fallthrough

        case EESMRCmdTentativeMR://fallthrough

        case EESMRCmdDeclineMR:

            {

            command = EESMRCmdOpenAttachmentView;

            }

        break;

        default:

            {

            command = static_cast<TESMRIcalViewerOperationType>( aCommandId );

            }

        break;

        }

    return command;

    }

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

// ESMRIcalViewerUtils::ContainsAttachments

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

//

TBool ESMRIcalViewerUtils::ContainsAttachments(

        TESMRInputParams& aParams )

    {

    FUNC_LOG;

    TBool retValue( EFalse );

    if ( aParams.iAttachmentInfo &&

         aParams.iAttachmentInfo->AttachmentCount() )

        {

        retValue = ETrue;

        }

    return retValue;

    }

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

// ESMRIcalViewerUtils::IsAsyncEmailCommand

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

//

TBool ESMRIcalViewerUtils::IsAsyncEmailCommand(

        TESMRIcalViewerOperationType aCommand )

    {

    FUNC_LOG;

    TBool retValue( ETrue );

    if ( EESMRCmdMailMarkUnread == aCommand ||

         EESMRCmdMailMarkRead == aCommand ||

         EESMRCmdMailFlagMessage == aCommand )

        {

        retValue = EFalse;

        }

    return retValue;

    }

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

// ESMRIcalViewerUtils::MRResponseCommandWithoutAttachmentCheck

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

//

TESMRCommand ESMRIcalViewerUtils::MRResponseCommandWithoutAttachmentCheck(

        TInt aCommand )

    {

    FUNC_LOG;

    TESMRCommand command( EESMRAcceptWithoutAttachmentCheck );

    switch ( aCommand )

        {

        case EESMRCmdAcceptMR:

            {

            command = EESMRAcceptWithoutAttachmentCheck;

            break;

            }

        case EESMRCmdTentativeMR:

            {

            command = EESMRTentativeWithoutAttachmentCheck;

            break;

            }

        case EESMRCmdDeclineMR:

            {

            command = EESMRDeclineWithoutAttachmentCheck;

            break;

            }

        default:

            break;

        }

    return command;

    }

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

// ESMRIcalViewerUtils::LocateChildPartLC

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

//

CFSMailMessagePart* ESMRIcalViewerUtils::LocateChildPartLC(

        CFSMailMessagePart& aParentPart,

        const TDesC& aMimeType )

    {

    FUNC_LOG;

    CFSMailMessagePart* child = NULL;

    TBool partFound( EFalse );

    RPointerArray<CFSMailMessagePart> messageParts;

    CleanupStack::PushL(

            TCleanupItem(

                ESMRIcalViewerUtils::MessagePartPointerArrayCleanup,

                &messageParts    ) );

    aParentPart.ChildPartsL( messageParts );

    TInt msgPartCount( messageParts.Count() );

    for ( TInt i(0); (i < msgPartCount) && !partFound; ++i )

        {

        CFSMailMessagePart* part = messageParts[i];

        HBufC* contentType = part->GetContentType().AllocLC();

        TPtr ptrContentType( contentType->Des() );

        ptrContentType.LowerCase();

        // Check part's content type

        if ( KErrNotFound != ptrContentType.Find( aMimeType ) )

            {

            partFound = ETrue;

            child = messageParts[i];

            messageParts.Remove(i);

            }

        CleanupStack::PopAndDestroy( contentType );

        contentType = NULL;

        }

    CleanupStack::PopAndDestroy(); // messageParts

    CleanupStack::PushL( child );

    return child;

    }

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

// ESMRIcalViewerUtils::LocateCalendarPartL

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

//

CFSMailMessagePart* ESMRIcalViewerUtils::LocateCalendarPartL( CFSMailMessage& aMessage )

    {

    FUNC_LOG;

    CFSMailMessagePart* calendarPart( NULL );

    CFSMailMessagePart* multipart( NULL );

    // 1st, try to find 'TEXT/CALENDAR' part from 'MULTIPART/ALTERNATIVE' part of message

    multipart = ESMRIcalViewerUtils::LocateChildPartLC(

        aMessage,

        KFSMailContentTypeMultipartAlternative );

    if ( multipart )

        {

        // multipart found

        calendarPart = ESMRIcalViewerUtils::LocateChildPartLC( *multipart, KTextCalendar );

        if ( calendarPart )

            {

            // calendar part under multipart found

            CleanupStack::Pop( calendarPart );

            CleanupStack::PopAndDestroy( multipart );

            multipart = NULL;

            CleanupStack::PushL( calendarPart );

            }

        else

            {

            // no calendar part under multipart

            CleanupStack::PopAndDestroy( 2 );

            multipart = NULL;

            calendarPart = NULL;

            }

        }

    else

        {

        CleanupStack::PopAndDestroy( multipart );

        }

    if ( !calendarPart )

        {

        // If there's no 'MULTIPART/ALTERNATIVE' or it doesn't have

        // 'TEXT/CALENDAR' entry, try looking from message root

        calendarPart = ESMRIcalViewerUtils::LocateChildPartLC(

            aMessage,

            KTextCalendar );

        }

    CleanupStack::Pop();

    return calendarPart;

    }

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

// ESMRIcalViewerUtils::MessagePartPointerArrayCleanup

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

//

void ESMRIcalViewerUtils::MessagePartPointerArrayCleanup( TAny* aArray )

    {

    FUNC_LOG;

    RPointerArray<CFSMailMessagePart>* messagePartArray =

        static_cast<RPointerArray<CFSMailMessagePart>*>( aArray );

    messagePartArray->ResetAndDestroy();

    messagePartArray->Close();

    }

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

// ESMRIcalViewerUtils::UserResponsedToMRL

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

//

TESMRAttendeeStatus ESMRIcalViewerUtils::UserResponsedToMRL(

            CCalEntry& aEntry )

    {

    FUNC_LOG;

    TESMRAttendeeStatus attendeeStatus( EESMRAttendeeStatusUnknown );

    CCalEntry::TStatus status( aEntry.StatusL() );

    if ( status == CCalEntry::EConfirmed  )

        {

        CMRMailboxUtils* mbUtils =

                CMRMailboxUtils::NewL();

        CleanupStack::PushL( mbUtils );

        CCalAttendee* attendee = mbUtils->ThisAttendeeL( aEntry );

        if ( attendee )

            {

            CCalAttendee::TCalStatus status( attendee->StatusL() );

            switch( status )

                {

                case CCalAttendee::EAccepted:

                    {

                    attendeeStatus = EESMRAttendeeStatusAccept;

                    break;

                    }

                case CCalAttendee::ETentative:

                    {

                    attendeeStatus = EESMRAttendeeStatusTentative;

                    break;

                    }

                case CCalAttendee::EDeclined:

                    {

                    attendeeStatus = EESMRAttendeeStatusDecline;

                    break;

                    }

                default:

                    {

                    attendeeStatus = EESMRAttendeeStatusUnknown;

                    break;

                    }

                }

            }

        CleanupStack::PopAndDestroy( mbUtils );

        mbUtils = NULL;

        }

    return attendeeStatus;

    }

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

// ESMRIcalViewerUtils::MailboxOwnerRoleL

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

//

TESMRRole ESMRIcalViewerUtils::MailboxOwnerRoleL(

        CCalEntry& aEntry,

        CFSMailClient& aMailClient,

        CFSMailMessage& aMessage )

    {

    FUNC_LOG;

    TESMRRole role( EESMRRoleUndef );

    TFSMailMsgId mailboxId( aMessage.GetMailBoxId() );

    CFSMailBox* mailbox = aMailClient.GetMailBoxByUidL( mailboxId );

    CleanupStack::PushL( mailbox );

    TPtrC mailboxOwnerAddName(

            mailbox->OwnMailAddress().GetEmailAddress() );

    CCalUser* organizer = aEntry.OrganizerL();

    if ( organizer &&  KZero == organizer->Address().CompareF(mailboxOwnerAddName) )

        {

        role = EESMRRoleOrganizer;

        }

    else

        {

        RPointerArray<CCalAttendee>& attendees = aEntry.AttendeesL();

        TInt attendeeCount( attendees.Count() );

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

            {

            CCalAttendee* attendee = attendees[i];

            if ( KZero == attendee->Address().CompareF(mailboxOwnerAddName) )

                {

                switch( attendee->RoleL() )

                    {

                    case CCalAttendee::EChair:

                    case CCalAttendee::EReqParticipant:

                        {

                        role = EESMRRoleRequiredAttendee;

                        }

                    break;

                    case CCalAttendee::EOptParticipant:

                        {

                        role = EESMRRoleOptionalAttendee;

                        }

                    break;

                    case CCalAttendee::ENonParticipant:

                        {

                        role = EESMRRoleNonParticipant;

                        }

                    break;

                    default:

                        {

                        role = EESMRRoleUndef;

                        }

                    break;

                    }

                }

            }

        }

    CleanupStack::PopAndDestroy( mailbox );

    return role;

    }

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

// ESMRIcalViewerUtils::IsMailboxOwnerAttendeeL

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

//

TBool ESMRIcalViewerUtils::IsMailboxOwnerAttendeeL(

        CCalEntry& aEntry,

        CFSMailClient& aMailClient,

        CFSMailMessage& aMessage )

    {

    FUNC_LOG;

    TBool retValue( EFalse );

    TESMRRole role(

            ESMRIcalViewerUtils::MailboxOwnerRoleL(

                    aEntry,

                    aMailClient,

                    aMessage ) );

    if ( EESMRRoleRequiredAttendee == role ||

            EESMRRoleOptionalAttendee == role ||

            EESMRRoleNonParticipant == role )

        {

        retValue = ETrue;

        }

    return retValue;

    }

// EOF