/*

* 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:  Static Tls data storage

*

*/

#include "emailtrace.h"

#include "resmrstatic.h"

#include "cesmrcontactmenuhandler.h"

#include "cesmrcontactmanagerhandler.h"

#include "CFSMailClient.h"

#include "CFSMailBox.h"

// <cmail> Removed profiling </cmail>

/**

 * Storage stuct for RESMRStatic.

 */

struct TESMRStaticData

    {

    TInt iInstanceCount;

    TInt iContactManagerHandlerCount;

    CESMRContactManagerHandler* iContactManagerHandler;

    TInt iContactMenuHandlerCount;

    CESMRContactMenuHandler* iContactMenuHandler;

    CFSMailClient* iFSMailClient;

    CFSMailBox* iFSMailBox;

    TInt iPbkxContactListingServiceCount;

    TInt iCurrentFieldIndex;

    TInt iFSMailBoxCount;

    };

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

// Cleanup operation for RPointerArray.

// @param aArray Pointer to RPointerArray.

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

//

void MailboxPointerArrayCleanup( TAny* aArray )

    {

    // just to avoid warnings when MR not supported

    RPointerArray<CFSMailBox>* entryArray =

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

    entryArray->ResetAndDestroy();

    entryArray->Close();

    }

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

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

// RESMRStatic::RESMRStatic

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

//

EXPORT_C RESMRStatic::RESMRStatic( )

    {

    FUNC_LOG;

    //do nothing

    }

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

// RESMRStatic::~RESMRStatic

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

//

EXPORT_C RESMRStatic::~RESMRStatic( )

    {

    FUNC_LOG;

    if ( iStaticData )

        {

        delete iStaticData->iContactMenuHandler;

        iStaticData->iContactMenuHandler = NULL;

        delete iStaticData->iContactManagerHandler;

        iStaticData->iContactManagerHandler = NULL;

        }

    }

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

// RESMRStatic::ConnectL

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

//

EXPORT_C void RESMRStatic::ConnectL( )

    {

    FUNC_LOG;

    if (iStaticData )

        {

        // already connected

        return;

        }

    // Retrieve Tls pointer

    iStaticData = (TESMRStaticData*) Dll::Tls();

    // If Tls pointer was not set, create new static stuct

    // with NULL values

    if ( !iStaticData )

        {

        iStaticData = new (ELeave) TESMRStaticData();

        memset ( iStaticData, 0, sizeof( TESMRStaticData) );

        Dll::SetTls ( iStaticData );

        }

    ++iStaticData->iInstanceCount;

    }

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

// RESMRStatic::Close

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

//

EXPORT_C void RESMRStatic::Close( )

    {

    FUNC_LOG;

    if (iStaticData )

        {

        if (iUsedTypes & EContactMenuHandler )

            {

            --iStaticData->iContactMenuHandlerCount;

            if (iStaticData->iContactMenuHandlerCount == 0 )

                {

                if ( iStaticData->iContactManagerHandlerCount == 0 )

                    {

                    // Delete both Handlers when both are ready to delete

                    // and Contact Manager Handler should be deleted last

                    // because the Menu Handler has dependency to it.

                    delete iStaticData->iContactMenuHandler;

                    iStaticData->iContactMenuHandler = NULL;

                    delete iStaticData->iContactManagerHandler;

                    iStaticData->iContactManagerHandler = NULL;

                    }

                }

            }

        // If ContactManagerHandlerL was used

        if (iUsedTypes & EContactManagerHandler )

            {

            // Decrease counter

            --iStaticData->iContactManagerHandlerCount;

            // If this was last instance using pointer

            if ( iStaticData->iContactManagerHandlerCount == 0 )

                {

                if ( iStaticData->iContactMenuHandlerCount == 0 )

                    {

                    delete iStaticData->iContactMenuHandler;

                    iStaticData->iContactMenuHandler = NULL;

                    // Delete instance

                    delete iStaticData->iContactManagerHandler;

                    iStaticData->iContactManagerHandler = NULL;

                    }

                }

            }

        // If FSMailClientL or FSMailBox was used

        if (iUsedTypes & EMailBoxHandler )

            {

            // Decrease counter

            --iStaticData->iFSMailBoxCount;

            // If this was last instance using pointer

            if (iStaticData->iFSMailBoxCount == 0 )

                {

                // Owned by CFSMailClient

                delete iStaticData->iFSMailBox;

                iStaticData->iFSMailBox = NULL;

                // Delete instance

                if ( iStaticData->iFSMailClient )

                    {

                    iStaticData->iFSMailClient->Close();

                    iStaticData->iFSMailClient = NULL;

                    }

                }

            }

        // Decrease instance counter

        --iStaticData->iInstanceCount;

        // If this was last instance using pointer

        if (iStaticData->iInstanceCount == 0 )

            {

            delete iStaticData;

            Dll::FreeTls ( );

            }

        iStaticData = NULL;

        }

    }

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

// RESMRStatic::ContactManagerHandlerL

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

//

EXPORT_C CESMRContactManagerHandler& RESMRStatic::ContactManagerHandlerL( )

    {

    FUNC_LOG;

    if ( !iStaticData->iContactManagerHandler )

        {

        iStaticData->iContactManagerHandler = 

			CESMRContactManagerHandler::NewL();

        }

    if (!(iUsedTypes & EContactManagerHandler) )

        {

        ++iStaticData->iContactManagerHandlerCount;

        iUsedTypes |= EContactManagerHandler;

        }

    return *iStaticData->iContactManagerHandler;

    }

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

// RESMRStatic::ContactMenuHandlerL

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

//

EXPORT_C CESMRContactMenuHandler& RESMRStatic::ContactMenuHandlerL( )

    {

    FUNC_LOG;

    if ( !iStaticData->iContactMenuHandler )

        {

        iStaticData->iContactMenuHandler =

            CESMRContactMenuHandler::NewL( ContactManagerHandlerL() );

        }

    if (!(iUsedTypes & EContactMenuHandler) )

        {

        ++iStaticData->iContactMenuHandlerCount;

        iUsedTypes |= EContactMenuHandler;

        }

    return *iStaticData->iContactMenuHandler;

    }

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

// RESMRStatic::CurrentFieldIndex

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

//

EXPORT_C TInt RESMRStatic::CurrentFieldIndex()

    {

    FUNC_LOG;

    return iStaticData->iCurrentFieldIndex;

    }

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

// RESMRStatic::SetCurrentFieldIndex

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

//

EXPORT_C void RESMRStatic::SetCurrentFieldIndex(TInt aFieldIndex)

    {

    FUNC_LOG;

    iStaticData->iCurrentFieldIndex = aFieldIndex;

    }

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

// RESMRStatic::MailBoxL

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

//

EXPORT_C CFSMailBox& RESMRStatic::MailBoxL( const TDesC& aAddress )

    {

    FUNC_LOG;

    if ( !iStaticData->iFSMailBox )

        {

        CFSMailClient& fsMailClient = FSMailClientL();

        // Loop throug all mailboxes in this plug-in

        RPointerArray<CFSMailBox> mailboxes; // codescanner::resourcenotoncleanupstack

        CleanupStack::PushL(

                TCleanupItem(

                        MailboxPointerArrayCleanup,

                        &mailboxes    ) );

        // With null uid we get all mailboxes

        TFSMailMsgId msgId;

        fsMailClient.ListMailBoxes(

                msgId, mailboxes );

        TInt mailboxCount( mailboxes.Count() );

        for ( TInt j(0);

              j < mailboxCount && !iStaticData->iFSMailBox;

              ++j )

            {

            TPtrC mailboxOwnerAddName(

                    mailboxes[j]->OwnMailAddress().GetEmailAddress() );

            if ( mailboxOwnerAddName.Compare( aAddress ) == 0 )

                {

                // Correct mailbox is found

                iStaticData->iFSMailBox = mailboxes[j];

                mailboxes.Remove(j);

                }

            }

        CleanupStack::PopAndDestroy(); // mailboxes

        if ( !iStaticData->iFSMailBox )

            {

            User::Leave( KErrAbort );

            }

        }

    iUsedTypes |= EMailBoxHandler;

    ++iStaticData->iFSMailBoxCount;

    return *iStaticData->iFSMailBox;

    }

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

// RESMRStatic::FSMailClientL

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

//

CFSMailClient& RESMRStatic::FSMailClientL( )

    {

    FUNC_LOG;

    if (!iStaticData->iFSMailClient)

        {

        iStaticData->iFSMailClient = CFSMailClient::NewL ( );

        }

    return *iStaticData->iFSMailClient;

    }

// EOF