/*

 * Copyright (c) 2010 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"

/*!

 */

NmFwaMessagePartFetchingOperation::NmFwaMessagePartFetchingOperation(

        const NmId &mailboxId,

        const NmId &folderId,

        const NmId &messageId,

        const NmId &messagePartId,

        CFSMailClient &mailClient) 

  : mMailboxId(mailboxId), 

    mFolderId(folderId), 

    mMessageId(messageId), 

    mMessagePartId(messagePartId),

    mMailClient(mailClient), 

    mLastProgressValue(0), 

    mRequestId(0)

{

}

/*!

 */

NmFwaMessagePartFetchingOperation::~NmFwaMessagePartFetchingOperation()

{

    doCancelOperation();

}

/*!

 */

void NmFwaMessagePartFetchingOperation::RequestResponseL(TFSProgress aEvent, TInt aRequestId)

{

    if (aRequestId == mRequestId) {

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

            completeOperation(aEvent.iError);

        }

        else if (aEvent.iProgressStatus == TFSProgress::EFSStatus_RequestCancelled) {

            completeOperation(NmCancelError);

        }

        else if (aEvent.iProgressStatus == TFSProgress::EFSStatus_Status) {

            int progress = 0;

            if (aEvent.iMaxCount > 0) {

                // calculate progress per cents

                qreal counterValue = aEvent.iCounter;

                qreal maxCount = aEvent.iMaxCount;

                progress = (counterValue / maxCount)*100;

            }

            if (progress > mLastProgressValue) {

                // send only increasing values to prevent downward changing percentage

                mLastProgressValue = progress;

                updateOperationProgress(mLastProgressValue);

            }

        }

    }

}

/*!

 */

void NmFwaMessagePartFetchingOperation::doRunAsyncOperation()

{

    TRAPD(err, doRunAsyncOperationL());

    if (err != KErrNone) {

        completeOperation(NmGeneralError);

    }

}

/*!

    Leaving version from doRunAsyncOperation

 */

void NmFwaMessagePartFetchingOperation::doRunAsyncOperationL()

{

    const TFSMailMsgId mailboxId(mMailboxId.pluginId32(), mMailboxId.id32());

    const TFSMailMsgId folderId(mFolderId.pluginId32(), mFolderId.id32());

    const TFSMailMsgId messageId(mMessageId.pluginId32(), mMessageId.id32());

    const TFSMailMsgId messagePartId(mMessagePartId.pluginId32(), mMessagePartId.id32());

    CFSMailMessage *message(NULL);

    message = mMailClient.GetMessageByUidL(mailboxId, folderId, messageId, EFSMsgDataEnvelope);

    CleanupStack::PushL(message);

    if (message) {

        CFSMailMessagePart* messagePart = message->ChildPartL( messagePartId );

        CleanupStack::PushL(messagePart);

        if (messagePart) {            

            mRequestId = messagePart->FetchMessagePartL(messagePartId, *this, 0);

        }

        else {

            completeOperation(NmNotFoundError);

        }

        CleanupStack::PopAndDestroy(messagePart);

    }

    else {

        completeOperation(NmNotFoundError);

    }

    CleanupStack::PopAndDestroy(message);

}

/*!

 * Complete the operation

 */

void NmFwaMessagePartFetchingOperation::doCompleteOperation()

{

    mRequestId = NmNotFoundError;

}

/*!

    Cancels the async operation. \sa NmOperation

 */

void NmFwaMessagePartFetchingOperation::doCancelOperation()

{

    if (mRequestId >= 0) {

        TRAP_IGNORE(mMailClient.CancelL(mRequestId));

        mRequestId = NmNotFoundError;

    }

}