/*

 * Copyright (c) 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:

 *

 */

#include "nmframeworkadapterheaders.h"

/*!

    \class NmFwaAddAttachmentsOperation

    \brief NmFwaAddAttachmentsOperation is an async operation which adds new

           attachments into the message.

    NmFwaAddAttachmentsOperation is an async operation which adds new attachments into the message.

    \sa NmOperation

 */

/*!

    Constructor

    \param message Message where new attachment to be attached.

    \param fileList File name list of the attached files

    \param mailClient Reference to mail client object.

 */

NmFwaAddAttachmentsOperation::NmFwaAddAttachmentsOperation(

    const NmMessage &message,

    const QList<QString> &fileList,

    CFSMailClient &mailClient) :

        mMailClient(mailClient)

{

    // Take own copy of the file list.

    mFileList.clear();

    for (int i=0; i<fileList.count(); ++i) {

        mFileList.append(fileList.at(i));

    }

    mFSMessage = CFSMailMessage::NewL(message);

    mRequestId = NmNotFoundError;

}

/*!

    Destructor

 */

NmFwaAddAttachmentsOperation::~NmFwaAddAttachmentsOperation()

{

    // Cancel all running operations.

    doCancelOperation();

    mFileList.clear(); 

    delete mFSMessage;

}

/*!

    async operation.

    \sa NmOperation

 */

void NmFwaAddAttachmentsOperation::doRunAsyncOperation()

{

    TRAPD(err, doRunAsyncOperationL());

    // Trap harness catches an error.

    if (err != KErrNone) {

        // File not found, inform UI.

        if (err == KErrNotFound) {

            completeOperationPart(mFileList.takeFirst(),

                                  NULL,

                                  NmNotFoundError);

            // Let's continue, if files still left.

            if (mFileList.count() > 0) {

                doRunAsyncOperation();

            }

            else {

                // We do not want to report whole operation error,

                // when the last file is, or files, are missing.

                completeOperation(NmNoError);

            }

        }

        else {

            // Complete operation part, because of unknown error.

            // File list is never empty in this situation.

            completeOperationPart(mFileList.takeFirst(),

                                  NULL,

                                  NmGeneralError);

            // Complete whole operation, because of unknown error.

            mFileList.clear();

            mRequestId = NmNotFoundError ;

            completeOperation(NmGeneralError);

        }

    }

}

/*!

    Leaving version of doRunAsyncOperationL

 */

void NmFwaAddAttachmentsOperation::doRunAsyncOperationL()

{

    if (mFileList.count() > 0) {

        // Add new attachment from first file in the list.

        HBufC *fileName = NmConverter::qstringToHBufCLC(mFileList.first());

        mRequestId = mFSMessage->AddNewAttachmentL(*fileName, *this);

        CleanupStack::PopAndDestroy(fileName);   

    }

}

/*!

    Asynchronous request response message.

    \param aEvent Plugin event description.

    \param aRequestId Request id of asyncronous operation.

 */

void NmFwaAddAttachmentsOperation::RequestResponseL(TFSProgress aEvent,

                                                    TInt aRequestId)

{

    int err = NmNoError;

    // Request id should always be valid. If not,

    // then report general error and complete operation.

    if (aRequestId == mRequestId) {

        // Request completed so request id used.

        mRequestId = KErrNotFound;

        // If request completed we can process the results.

        //   Otherwise, we report about cancellation or general error

        // and stop the operation.

        if (aEvent.iProgressStatus == TFSProgress::EFSStatus_RequestComplete) {

            // Request completed. Let's check the result. If no error

            // and parameter not NULL, report UI about a file added.

            //   Else complete operation part with general error,

            // but continue if a file or files still left in the list.

            if (aEvent.iError == KErrNone && aEvent.iParam) {

                // Cast the parameter to FS message part object, since

                // it can't be anything else.

                CFSMailMessagePart *fsMessagePart =

                    static_cast<CFSMailMessagePart *>(aEvent.iParam);

                completeOperationPart(

                    mFileList.takeFirst(),

                    fsMessagePart->GetPartId().GetNmId(),

                    NmNoError);

                delete fsMessagePart;

                fsMessagePart = NULL;

            }

            else {

                completeOperationPart(mFileList.takeFirst(),

                                      NULL,

                                      NmGeneralError);

            }

        }

        else {

            completeOperationPart(mFileList.takeFirst(),

                                  NULL,

                                  NmGeneralError);

            mFileList.clear();

            err = NmGeneralError;

        }

    } // if (aRequestId == mRequestId) 

    else {

        // Just to be sure.

        if (mFileList.count() > 0) {

            completeOperationPart(mFileList.takeFirst(),

                                  NULL,

                                  NmGeneralError);   

        }

        mFileList.clear();

        err = NmGeneralError;

    }

    // Complete operation if there are no files left.

    // Otherwise, continue with next file.

    if (!mFileList.count()) {

        completeOperation(err);

    } else {

        doRunAsyncOperation();

    }

}

/*!

    Cancels the async operation. \sa NmOperation

 */

void NmFwaAddAttachmentsOperation::doCancelOperation()

{

    if (mRequestId != KErrNotFound) {

        TRAP_IGNORE(mMailClient.CancelL(mRequestId));

    }

    mRequestId = NmCancelError;

}