emailservices/nmclientapi/src/nmapimailboxlisting.cpp
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/*
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 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 * This component and the accompanying materials are made available
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 * under the terms of "Eclipse Public License v1.0"
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 * which accompanies this distribution, and is available
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 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description:
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 *
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 */
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#include "nmapiheaders.h"
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namespace EmailClientApi
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{
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/*!
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   \class Class for creating list of all mailboxes
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 */
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/*!
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   Constructor of class. It set start values.
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 */
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NmApiMailboxListing::NmApiMailboxListing(QObject *parent) :
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    NmApiMessageTask(parent)
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{
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    NM_FUNCTION;
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    mNmApiMailboxListingPrivate = new NmApiMailboxListingPrivate(this);
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}
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/*!
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   Destructor of class. It release engine to be safe if manual releasing won't work.
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 */
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NmApiMailboxListing::~NmApiMailboxListing()
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{
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    NM_FUNCTION;
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}
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/*! 
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   \brief Returns results after mailboxesListed signal is received.
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    Caller gets ownership of messages. Returns true if results were available.
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    It clears list of mailboxes (in private members) after be called.
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    It also at start clear inputlist of NmApiMailbox.
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    \return Return true if results were avaible
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    \param mailboxes List of mailboxes to filled. On start is cleared. 
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 */
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bool NmApiMailboxListing::getMailboxes(QList<NmApiMailbox> &mailboxes)
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{
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    NM_FUNCTION;
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    return mNmApiMailboxListingPrivate->mailboxes(mailboxes);
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}
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/*!
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   \brief Starts gathering mailbox list.
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   In first turn it will get whole mailboxlist. 
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   Then it initialize core arguments and emits signal when ready.
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   To asynchronous operation can be used \sa QTimer::singleShot on this method.
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   Example:
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   <code> 
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   QTimer::singleShot(0,nmMailboxListing,SLOT(start());
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   </code>
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   \return Return true if everything go good and core of listing works good.
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 */
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bool NmApiMailboxListing::start()
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{
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    NM_FUNCTION;
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    qint32 mailboxCount = mNmApiMailboxListingPrivate->listMailboxes();
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    QMetaObject::invokeMethod(this, "mailboxesListed", Qt::QueuedConnection,
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        Q_ARG(qint32, mailboxCount));
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    return true;
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}
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/*!
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   \brief Stop gathering mailbox list.
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   In first it change state of listing.
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   Then it release engine.
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   On end it clears list of mailboxes and emits \sa NmApiMessageTask::canceled() signal.
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 */
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void NmApiMailboxListing::cancel()
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{
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    NM_FUNCTION;
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    mNmApiMailboxListingPrivate->cancel();
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    emit canceled();
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}
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/*!
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   \brief Return info if listing is running
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   \return Return true if listing is running
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 */
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bool NmApiMailboxListing::isRunning() const
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{
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    NM_FUNCTION;
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    return mNmApiMailboxListingPrivate->isRunning();
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}
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}
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