/*

* Copyright (c) 2006-2008 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 CCIpsPlgNewChildPartFromFileOperation.

*

*/

// <qmail>

// INCLUDE FILES

#include "emailtrace.h"

#include "ipsplgheaders.h"

// LOCAL CONSTANTS AND MACROS

_LIT( KMimeTextCalRequest,  "text/calendar; method=REQUEST;" );

_LIT( KMimeTextCalResponse, "text/calendar; method=RESPONSE;" );

_LIT( KMimeTextCalCancel,   "text/calendar; method=CANCEL;" );

_LIT( KFileExtensionICS, ".ics" );

_LIT8( KMethod, "method" );

_LIT8( KRequest, "REQUEST" );

_LIT8( KResponse, "RESPONSE" );

_LIT8( KCancel, "CANCEL" );

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

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

// CIpsPlgNewChildPartFromFileOperation::CIpsPlgNewChildPartFromFileOperation

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

//

CIpsPlgNewChildPartFromFileOperation::CIpsPlgNewChildPartFromFileOperation(

    CMsvSession& aMsvSession,

    TRequestStatus& aObserverRequestStatus,

    const TFSMailMsgId& aMailBoxId,

    const TFSMailMsgId& aMessageId,

    MFSMailRequestObserver& aOperationObserver,

    const TInt aRequestId)

    :

    CIpsPlgBaseOperation( 

        aMsvSession, 

        aObserverRequestStatus,

        aRequestId,

        aMailBoxId),

    iMessageId(aMessageId),

    iOperationObserver(aOperationObserver)

    {

    FUNC_LOG;

    CActiveScheduler::Add( this );

    }

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

// CIpsPlgNewChildPartFromFileOperation::NewL

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

//

CIpsPlgNewChildPartFromFileOperation* CIpsPlgNewChildPartFromFileOperation::NewL(

    CMsvSession& aMsvSession,

    TRequestStatus& aObserverRequestStatus,

    const TFSMailMsgId& aMailBoxId,

    const TFSMailMsgId& aMessageId,

    const TDesC& aContentType,

    const TDesC& aFilePath,

    MFSMailRequestObserver& aOperationObserver,

    const TInt aRequestId,

    CIpsPlgMsgMapper *aMsgMapper)

    {

    FUNC_LOG;

    CIpsPlgNewChildPartFromFileOperation* self =

        new (ELeave) CIpsPlgNewChildPartFromFileOperation(

            aMsvSession,

            aObserverRequestStatus,

            aMailBoxId,

            aMessageId,

            aOperationObserver,

            aRequestId );

    CleanupStack::PushL( self );

    self->ConstructL(aMsgMapper,aContentType,aFilePath);

    CleanupStack::Pop( self ); 

    return self;

    }

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

// CIpsPlgNewChildPartFromFileOperation::ConstructL

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

//

void CIpsPlgNewChildPartFromFileOperation::ConstructL(CIpsPlgMsgMapper *aMsgMapper,

    const TDesC& aContentType,

    const TDesC& aFilePath)

    {

    FUNC_LOG;

    iMsgMapper = aMsgMapper;

    iContentType = aContentType.AllocL();

    iFilePath = aFilePath.AllocL();

    // Start from attachment manager initialization

    InitAttachmentManagerL();

    }

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

// CIpsPlgNewChildPartFromFileOperation::~CIpsPlgNewChildPartFromFileOperation

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

//

CIpsPlgNewChildPartFromFileOperation::~CIpsPlgNewChildPartFromFileOperation()

    {

    FUNC_LOG;

    Cancel(); // Cancel any request, if outstanding

    delete iOperation;

    iOperation = NULL;

    delete iContentType;

    iContentType = NULL;

    delete iFilePath;

    iFilePath = NULL;

    }

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

// CIpsPlgNewChildPartFromFileOperation::DoCancel

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

//

void CIpsPlgNewChildPartFromFileOperation::DoCancel()

    {

    FUNC_LOG;

    if (iOperation)

        {

        iOperation->Cancel();

        }

    if (iMessage)

        {

        iMessage->AttachmentManager().CancelRequest();

        iMessage->Cancel();

        }

    TRequestStatus* status = &iObserverRequestStatus;

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

        {

        SignalFSObserver(iStatus.Int(),NULL);

        User::RequestComplete( status, iStatus.Int() );

        }

    }

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

// CIpsPlgSosBasePlugin::GetMessageEntryL( )

// Checks whether the requested message is already cached. If not, the cached 

// objects are deleted and new objects are created.

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

void CIpsPlgNewChildPartFromFileOperation::GetMessageEntryL( 

    TMsvId aId, 

    CMsvEntry*& aMessageEntry,

    CImEmailMessage*& aImEmailMessage )

    {

    FUNC_LOG;

    if ( !iCachedEntry || ( aId != iCachedEntry->Entry().Id() ) ||

            iCachedEmailMessage->IsActive() )

        {

        CleanCachedMessageEntries();

        iCachedEntry = iMsvSession.GetEntryL( aId );

        if ( iCachedEntry->Entry().iType == KUidMsvMessageEntry )

            {

            iCachedEmailMessage = CImEmailMessage::NewL( *iCachedEntry );

            }

        }

    aMessageEntry = iCachedEntry;

    aImEmailMessage = iCachedEmailMessage;

    }

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

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

//

void CIpsPlgNewChildPartFromFileOperation::CleanCachedMessageEntries()

    {

    FUNC_LOG;

    delete iCachedEmailMessage;

    iCachedEmailMessage = NULL;

    delete iCachedEntry;

    iCachedEntry = NULL;

    }

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

// CIpsPlgNewChildPartFromFileOperation::RunL

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

//

void CIpsPlgNewChildPartFromFileOperation::RunL()

    {

    if( iStatus.Int() == KErrNone )

        {

            // Divided to 3 steps. Run asunchronously after InitAttachmentManagerL.

            // PrepareMsvEntryL, PrepareStoreL and StoreMessagePartL respectively

            switch (iStep)

            {

            case EPrepareMsvEntry:

                PrepareMsvEntryL();

                break;

            case EPrepareStore:

                PrepareStoreL();

                break;

            case EStoreMessagePart:

                StoreMessagePartL();

                break;

            }

        }

    else if (iStatus.Int() == KErrCancel) 

        {

        // Do Nothing

        }

    else

        {

        User::Leave(iStatus.Int());

        }

    }

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

// CIpsPlgNewChildPartFromFileOperation::InitAttachmentManagerL

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

//

void CIpsPlgNewChildPartFromFileOperation::InitAttachmentManagerL()

    {

    iEntry = NULL;

    iMessage = NULL;

    RFile file;

    TInt fileSize( 0 );

    // Read attachment size

    User::LeaveIfError(

        file.Open( iMsvSession.FileSession(), iFilePath->Des(), EFileShareReadersOnly )

        );

    //in rare case that file has disappeared while sending

    //we just won't get the size for it

    file.Size( fileSize );

    file.Close();    

    // Initialize CMsvAttachment instance for the attachment creation

    CMsvAttachment* info = CMsvAttachment::NewL( CMsvAttachment::EMsvFile );

    CleanupStack::PushL( info );

    info->SetAttachmentNameL( iFilePath->Des() );

    info->SetSize( fileSize );

    // Create/acquire Symbian message entry objects

    GetMessageEntryL( iMessageId.Id(), iEntry, iMessage );

    // Start attachment creation

    iMessage->AttachmentManager().AddAttachmentL( 

        iFilePath->Des(), info, iStatus );

    CleanupStack::Pop( info ); // attachment manager takes ownership

    iStep = EPrepareMsvEntry; // Next step

    SetActive();

    }

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

// CIpsPlgNewChildPartFromFileOperation::PrepareMsvEntryL

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

//

void CIpsPlgNewChildPartFromFileOperation::PrepareMsvEntryL()

    {

    // Dig out the entry ID of the new attachment

    iMessage->GetAttachmentsListL( iEntry->Entry().Id( ), 

        CImEmailMessage::EAllAttachments, CImEmailMessage::EThisMessageOnly );

    TKeyArrayFix key( 0, ECmpTInt32 );

    CMsvEntrySelection* attachmentIds = iMessage->Selection().CopyLC();

    attachmentIds->Sort( key );

    if ( !attachmentIds->Count() )

        {

        User::Leave( KErrGeneral );

        }

    iNewAttachmentId = (*attachmentIds)[ attachmentIds->Count()-1 ];

    CleanupStack::PopAndDestroy( attachmentIds );

    CMsvEntry* cAtta = iMsvSession.GetEntryL( iNewAttachmentId );

    CleanupStack::PushL( cAtta );

    // Set filename to iDetails

    TMsvEntry tEntry = cAtta->Entry();

    tEntry.iDetails.Set(iFilePath->Des());

    // Do async

    iOperation = cAtta->ChangeL( tEntry, iStatus );

    CleanupStack::PopAndDestroy( cAtta );

    iStep = EPrepareStore; // Next step

    SetActive();

    }

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

// CIpsPlgNewChildPartFromFileOperation::PrepareStoreL

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

//

void CIpsPlgNewChildPartFromFileOperation::PrepareStoreL()

    {

    CMsvEntry* cAtta = iMsvSession.GetEntryL( iNewAttachmentId );

    CleanupStack::PushL( cAtta );

    TBool parentToMultipartAlternative( EFalse );

    if( cAtta->HasStoreL() )

        {

        CMsvStore* store = cAtta->EditStoreL();

        CleanupStack::PushL( store );

        CImMimeHeader* mimeHeader = CImMimeHeader::NewLC();

        if( store->IsPresentL( KUidMsgFileMimeHeader ) )

            {

            mimeHeader->RestoreL( *store );

            CDesC8Array& array = mimeHeader->ContentTypeParams();

            array.AppendL( KMethod );

            parentToMultipartAlternative = ETrue;

            if( iContentType->Des().Find( KMimeTextCalRequest ) != KErrNotFound )

                {    

                array.AppendL( KRequest );

                }

            else if( iContentType->Des().Find( KMimeTextCalResponse ) != KErrNotFound )

                {

                array.AppendL( KResponse );

                }

            else if( iContentType->Des().Find( KMimeTextCalCancel ) != KErrNotFound ) 

                {

                array.AppendL( KCancel );

                }

            else

                {

                parentToMultipartAlternative = EFalse;

                }

            mimeHeader->StoreWithoutCommitL( *store );

            store->CommitL();

            }

        CleanupStack::PopAndDestroy( 2, store );

        }

    if( parentToMultipartAlternative &&

        iFilePath->Find( KFileExtensionICS ) != KErrNotFound )

        {        

        TMsvEntry tAttaEntry = cAtta->Entry();

        TMsvId id = tAttaEntry.Parent();

        CMsvEntry* cParent = iMsvSession.GetEntryL( id );

        CleanupStack::PushL( cParent );

        TMsvEmailEntry tEntry = cParent->Entry();

        tEntry.SetMessageFolderType( EFolderTypeAlternative );

        // Do async again if needed

        iOperation = cParent->ChangeL( tEntry, iStatus );

        CleanupStack::PopAndDestroy( cParent );

        CleanupStack::PopAndDestroy( cAtta );

        }

    else

        {

        CleanupStack::PopAndDestroy( cAtta );

        iStatus = KRequestPending;

        TRequestStatus* status = &iStatus;

        User::RequestComplete(status,KErrNone);

        }

    iStep = EStoreMessagePart; // Next step

    SetActive();

    }

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

// CIpsPlgNewChildPartFromFileOperation::StoreMessagePartL

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

//

void CIpsPlgNewChildPartFromFileOperation::StoreMessagePartL()

    {

    // Delete the message entries to get all the changes to disk and 

    // possible store locks released

    CleanCachedMessageEntries();

    CFSMailMessagePart* result ( NULL );

    // Create the FS message part object

    result = iMsgMapper->GetMessagePartL( iNewAttachmentId, iFSMailboxId, 

        iMessageId );

    // Set attachment name

    result->SetAttachmentNameL(iFilePath->Des());

    // store message part

    result->SaveL();

    // set flag

    result->SetFlag(EFSMsgFlag_Attachments);

    SignalFSObserver(iStatus.Int(),result);

    // nothing left to process, so complete the observer

    TRequestStatus* status = &iObserverRequestStatus;

    User::RequestComplete( status, iStatus.Int() );

    }

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

// CIpsPlgNewChildPartFromFileOperation::RunError

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

//

TInt CIpsPlgNewChildPartFromFileOperation::RunError(TInt aError)

    {

    FUNC_LOG;

    SignalFSObserver( aError, NULL );

    TRequestStatus* status = &iObserverRequestStatus;

    User::RequestComplete( status, aError );

    return KErrNone; // RunError must return KErrNone to active sheduler.

    }

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

// CIpsPlgNewChildPartFromFileOperation::SignalFSObserver

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

//

void CIpsPlgNewChildPartFromFileOperation::SignalFSObserver(

        TInt aStatus, CFSMailMessagePart* aMessagePart )

    {

    FUNC_LOG;

    if ( aStatus == KErrCancel )

        {

        iFSProgress.iProgressStatus = TFSProgress::EFSStatus_RequestCancelled;

        iFSProgress.iError = KErrCancel;

        iFSProgress.iParam = NULL;

        }

    else

        {

        iFSProgress.iProgressStatus = TFSProgress::EFSStatus_RequestComplete;

        iFSProgress.iError = aStatus;

        iFSProgress.iParam = aMessagePart;

        }

    TRAP_IGNORE( iOperationObserver.RequestResponseL( iFSProgress, iFSRequestId ) );

    }

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

// CIpsPlgNewChildPartFromFileOperation::ProgressL

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

//

const TDesC8& CIpsPlgNewChildPartFromFileOperation::ProgressL()

    {

    FUNC_LOG;

    // Make sure that operation is active

    return (IsActive() && iOperation) ? 

        iOperation->ProgressL() : KNullDesC8;

    }

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

// CIpsPlgNewChildPartFromFileOperation::GetErrorProgressL

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

//   

const TDesC8& CIpsPlgNewChildPartFromFileOperation::GetErrorProgressL( TInt /*aError*/ )

    {

    FUNC_LOG;

    return KNullDesC8; // error progress info not supported

    }

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

// CIpsPlgNewChildPartFromFileOperation::GetFSProgressL

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

//   

TFSProgress CIpsPlgNewChildPartFromFileOperation::GetFSProgressL() const

    {

    FUNC_LOG;

    return iFSProgress;

    }

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

// CIpsPlgNewChildPartFromFileOperation::IpsOpType

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

TIpsOpType CIpsPlgNewChildPartFromFileOperation::IpsOpType() const

    {

    FUNC_LOG;

    return EIpsOpTypeNewChildPartFromFile;

    }

//  End of File

// </qmail>