/*

 * 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 "nmapiheaders.h"

namespace EmailClientApi

{

/*!

   Constructor form NmApiFolderListingPrivate

 */

NmApiFolderListingPrivate::NmApiFolderListingPrivate(quint64 mailboxId, QObject *parent) 

:QObject(parent), 

mMailboxId(mailboxId),

mEngine(NULL),

mIsRunning(false)

{

    NM_FUNCTION;

    mEngine = NmApiEngine::instance();

    Q_CHECK_PTR(mEngine);

}

/*!

   Destructor for NmApiFolderListingPrivate 

 */

NmApiFolderListingPrivate::~NmApiFolderListingPrivate()

{

    NM_FUNCTION;

    NmApiEngine::releaseInstance(mEngine);

}

/*!

   \brief Fetch folders from engine. 

   Because it uses NmFolder with sharedData we don't need care about release memory.

   \return Count of folders

 */

qint32 NmApiFolderListingPrivate::listFolders()

{

    NM_FUNCTION;

    mIsRunning = true;

    mFolders.clear();

    mEngine->listFolders(mMailboxId, mFolders);

    return mFolders.count();

}

/*! 

   \brief Returns results after listFolders is called.

    Caller gets ownership of messages. Returns true if results were available.

    It clears list of folders after be called.

 */

{

    NM_FUNCTION;

    bool ret(mIsRunning);

    folders.clear();

    while (!mFolders.isEmpty()) {

        folders << mFolders.takeFirst();

    }

    mIsRunning = false;

    return ret;

}

/*!

   \brief Return info if listing is running

 */

bool NmApiFolderListingPrivate::isRunning() const

{

    NM_FUNCTION;

    return mIsRunning;

}

/*!

   \brief Clears list of folders.

 */

void NmApiFolderListingPrivate::cancel() 

{

    mIsRunning = false;

    mFolders.clear();

}

}