/*

* Copyright (c) 2007 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: This file implements class CIpsPlgSmtpOperation.

*

*/

#include "emailtrace.h"

#include "ipsplgheaders.h"

#include "miut_err.h" // SMTP error codes

const TInt KIpsSmtpOperationCharLessThan = '<';

const TInt KIpsSmtpOperationCharMoreThan = '>';

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

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

//

EXPORT_C CIpsPlgSmtpOperation* CIpsPlgSmtpOperation::NewL( 

    CMsvSession& aMsvSession, 

    {

    FUNC_LOG;

    CIpsPlgSmtpOperation* self = CIpsPlgSmtpOperation::NewLC(

    CleanupStack::Pop( self );

    return self;

    }

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

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

//

EXPORT_C CIpsPlgSmtpOperation* CIpsPlgSmtpOperation::NewLC( 

    CMsvSession& aMsvSession, 

    TRequestStatus& aObserverRequestStatus,

    {

    FUNC_LOG;

    CIpsPlgSmtpOperation* self = new( ELeave ) CIpsPlgSmtpOperation(

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

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

CIpsPlgSmtpOperation::CIpsPlgSmtpOperation( 

    CMsvSession& aMsvSession, 

    iSmtpMtm( NULL ),

    iOperation( NULL ),

    iSelection( NULL ),  

    iMtmRegistry( NULL ),

    iState( EIdle ),

    iEventHandler( NULL )

    {

    FUNC_LOG;

    }

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

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

//    

CIpsPlgSmtpOperation::~CIpsPlgSmtpOperation() 

    {

    FUNC_LOG;

    Cancel();

    delete iSmtpMtm;

    delete iMtmRegistry;

    delete iSelection;

    delete iOperation;

    iOperation = NULL;

    iEventHandler = NULL;

    iState = EIdle;

    } 

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

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

//

void CIpsPlgSmtpOperation::ConstructL()

    {

    FUNC_LOG;

    iSelection = new (ELeave) CMsvEntrySelection();

    CActiveScheduler::Add( this );

    }

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

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

//

void CIpsPlgSmtpOperation::CompleteObserver( TInt aStatus /*= KErrNone*/ )

    {

    FUNC_LOG;

    TRequestStatus* status = &iObserverRequestStatus;

    if ( status && status->Int() == KRequestPending )

        {

        User::RequestComplete( status, aStatus );

        }

    }

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

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

//

void CIpsPlgSmtpOperation::CompleteThis()

    {

    FUNC_LOG;

    TRequestStatus* status = &iStatus;

    User::RequestComplete( status, KErrNone );

    }

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

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

//

void CIpsPlgSmtpOperation::RunL()

    {

    FUNC_LOG;

    switch ( iState )

        {

        case EMovingOutbox:

            {

            delete iOperation;

            iOperation = NULL;

            iSelection->InsertL( 0, iSmtpService );

            CallSendL();

            break;

            }

        case ESending:

            {

            TImSmtpProgress prog;

            TPckg<TImSmtpProgress> param(prog);

            param.Copy( iOperation->FinalProgress() );

            }

        }

    }

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

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

//    

void CIpsPlgSmtpOperation::DoCancel()

    {

    FUNC_LOG;

    if ( iOperation )

        {

        iOperation->Cancel();

        }

    CompleteObserver( KErrCancel );

    }

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

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

//   

const TDesC8& CIpsPlgSmtpOperation::ProgressL()

    {

    FUNC_LOG;

    if( iOperation && iState == ESending  )

        {

        return iOperation->ProgressL();

        }

    return KNullDesC8;

    }

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

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

//       

EXPORT_C void CIpsPlgSmtpOperation::StartSendL( TMsvId aMessageId )

    {

    FUNC_LOG;

    TMsvId service;

    TMsvEntry entry;

    User::LeaveIfError( 

        iMsvSession.GetEntry( aMessageId, service, entry ) );

    if ( entry.Id() == KMsvNullIndexEntryIdValue )

        {

        User::Leave( KErrNotFound );

        }

    iSmtpService = entry.iServiceId;

    ConstructSmtpMtmL();

    iSmtpMtm->SwitchCurrentEntryL( entry.Id() );

    if ( entry.Parent() == KMsvGlobalOutBoxIndexEntryIdValue )

        {

        iSelection->Reset();

        // smtp service id have to be first in array

        // here must be iSmtpService

        iSelection->AppendL( iSmtpService );

        // then message id

        iSelection->AppendL( entry.Id() );

        CallSendL( );

        }

    else

        {

        // 1. perform validity checks for recipient addresses

        // 2. move message to outbox

        // Perform validity checks for recipient addresses

        // before moving

        CMsvEntry* msgCEntry = CMsvEntry::NewL(

            iMsvSession, aMessageId, TMsvSelectionOrdering() );

        CleanupStack::PushL( msgCEntry );

        ValidateRecipientsL( *msgCEntry );

        CleanupStack::PopAndDestroy( msgCEntry );

        msgCEntry = NULL;

        iSelection->Reset();

        // get message entry

        msgCEntry = CMsvEntry::NewL(

            iMsvSession, entry.Parent(), TMsvSelectionOrdering() );

        CleanupStack::PushL( msgCEntry );

        // do the move

        iSelection->AppendL( entry.Id());

        iStatus = KRequestPending;

        delete iOperation;

        iOperation = NULL;

        iOperation = msgCEntry->MoveL( 

            *iSelection, KMsvGlobalOutBoxIndexEntryIdValue, iStatus );

        SetActive();

        CleanupStack::PopAndDestroy( msgCEntry );

        iState = EMovingOutbox; 

        }

    }

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

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

//    

EXPORT_C TInt CIpsPlgSmtpOperation::EmptyOutboxFromPendingMessagesL( 

    TMsvId aMailboxId  )

    {

    FUNC_LOG;

    TMsvId service;

    TMsvEntry entry;

    User::LeaveIfError( 

        iMsvSession.GetEntry( aMailboxId, service, entry ) );

    iSmtpService = entry.iRelatedId;

    TInt retValue = KErrNone;

    iSelection->Reset();

    ConstructSmtpMtmL();

    iSmtpMtm->SwitchCurrentEntryL( KMsvGlobalOutBoxIndexEntryIdValue );

    // in sending first entry in selection array have to be service id

    iSelection->AppendL(iSmtpService);

    //index to first message entry of selection array

    CMsvEntrySelection* childs = GetOutboxChildrensL( );

    CleanupStack::PushL( childs );

    for ( TInt i = 0; i < childs->Count(); i++ )

        {

        iMsvSession.GetEntry( childs->At(i), service, entry );

        TUint sendState = entry.SendingState();

        if ( iSmtpService == entry.iServiceId &&

            ( sendState != KMsvSendStateUnknown

              || sendState != KMsvSendStateUponRequest

              || sendState != KMsvSendStateSent ) )

            {

            // chage suspended flag to waiting

            // is it safe to change flag from suspended to waiting?

            if ( sendState == KMsvSendStateSuspended )

                {

                CMsvEntry* cEntry = CMsvEntry::NewL(

                    iMsvSession, entry.Id(), TMsvSelectionOrdering() );

                CleanupStack::PushL( cEntry );

                entry.SetSendingState( KMsvSendStateWaiting );

                }

            // add to send list

            iSelection->AppendL( entry.Id() );

            ++retValue;

            }

        }

    CleanupStack::PopAndDestroy( childs );

    if (retValue > 0)

        {

        CallSendL();

        }

    else

        {

        // nothing to do, finish operation

        CompleteObserver( KErrNone );

        }

    return retValue;

    }

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

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

//

EXPORT_C CMsvEntrySelection* CIpsPlgSmtpOperation::GetOutboxChildrensL( )

    {

    FUNC_LOG;

    ConstructSmtpMtmL();

    iSmtpMtm->SwitchCurrentEntryL( KMsvGlobalOutBoxIndexEntryIdValue );

    return iSmtpMtm->Entry().ChildrenL();

    }

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

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

//

void CIpsPlgSmtpOperation::CallSendL( )

    {

    FUNC_LOG;

    TBuf8<1> params;

    iOperation = iSmtpMtm->InvokeAsyncFunctionL(

        KSMTPMTMSendOnNextConnection, *iSelection, params, iStatus);

    SetActive();

    iState = ESending;

    }

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

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

//

void CIpsPlgSmtpOperation::ConstructSmtpMtmL()

    {

    FUNC_LOG;

    if ( !iMtmRegistry )

        {

        iMtmRegistry = CClientMtmRegistry::NewL( iMsvSession );

        }

    if ( !iSmtpMtm )

        {

        iSmtpMtm = static_cast<CSmtpClientMtm*>(

            iMtmRegistry->NewMtmL( KSenduiMtmSmtpUid ) );

        }

    }

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

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

// 

void CIpsPlgSmtpOperation::ValidateRecipientsL( CMsvEntry& aEntry )

    {

    FUNC_LOG;

    // get store object

    CMsvStore* store = aEntry.ReadStoreL();

    CleanupStack::PushL( store );   // << store

    // create symbian email header object

    CImHeader* header = CImHeader::NewLC(); // << header

    header->RestoreL( *store );

    // checking separate recipient fields

    ValidateAddressArrayL( header->ToRecipients() );

    ValidateAddressArrayL( header->CcRecipients() );

    ValidateAddressArrayL( header->BccRecipients() );

    // Cleanup

    CleanupStack::PopAndDestroy( header );

    CleanupStack::PopAndDestroy( store );

    }

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

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

// 

void CIpsPlgSmtpOperation::ValidateAddressArrayL( const CDesCArray& aRecipients )

    {

    FUNC_LOG;

    TInt count( aRecipients.Count() );

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

        {

        TPtrC fullName( aRecipients[i] );

        // Need to locate angle brackets from end of the data, if there

        // is display name with special characters

        TInt start( fullName.LocateReverse( KIpsSmtpOperationCharLessThan ) ); 

        TInt end( fullName.LocateReverse( KIpsSmtpOperationCharMoreThan ) );

        if ( KErrNotFound != start && KErrNotFound != end )

            {

            start += 1;

            fullName.Set( aRecipients[i].Mid( start, ( end - start ) ) );

            }

        // make basic sanity checks for email address

        }

    }

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

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

// 

void CIpsPlgSmtpOperation::SetEventHandler( TAny* aEventHandler )

    {

    iEventHandler = aEventHandler;

    }