emailservices/nmclientapi/src/nmapieventnotifier.cpp
author hgs
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permissions -rw-r--r--
201025_2
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/*
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 * Copyright (c) 2009 - 2010 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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   Constructor
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 */
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NmApiEventNotifier::NmApiEventNotifier(QObject *parent) 
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:NmApiMessageTask(parent)
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{
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    NM_FUNCTION;
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    mNmApiEventNotifierPrivate = new NmApiEventNotifierPrivate(this);
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    connect(mNmApiEventNotifierPrivate, SIGNAL(timedOut()), this, SLOT(
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        sendEventsFromBuffer()), Qt::QueuedConnection);
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}
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/*!
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   Destructor
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 */
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NmApiEventNotifier::~NmApiEventNotifier()
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{
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    NM_FUNCTION;
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    if (mNmApiEventNotifierPrivate) {
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        mNmApiEventNotifierPrivate->stop();
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    }
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}
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/*!
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   Start monitoring email events
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   \return Value tells about monitoring system running
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 */
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bool NmApiEventNotifier::start()
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{
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    NM_FUNCTION;
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    return mNmApiEventNotifierPrivate->start();
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}
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/*!
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   Cancels monitoring.
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   In user responsibility is to cancel monitoring.
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   On end it clears buffer events and emits \sa NmApiMessageTask::canceled() signal.
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 */
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void NmApiEventNotifier::cancel()
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{
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    NM_FUNCTION;
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    mNmApiEventNotifierPrivate->cancel();
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    emit canceled();
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}
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/*!
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   Informs if event notifier is running
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 */
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bool NmApiEventNotifier::isRunning() const
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{
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    NM_FUNCTION;
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    return mNmApiEventNotifierPrivate->isRunning();
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}
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/*!
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   Checks each object in buffer and emits corresponding signal.
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   Uses scheduled transmission. Can be called also directly to force the 
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   signal sending.
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 */
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void NmApiEventNotifier::sendEventsFromBuffer()
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{
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    NM_FUNCTION;
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    qRegisterMetaType<EmailClientApi::NmApiMailboxEvent> ("EmailClientApi::NmApiMailboxEvent");
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    qRegisterMetaType<EmailClientApi::NmApiMessageEvent> ("EmailClientApi::NmApiMessageEvent");
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    QList<NmApiMessage> events;
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    mNmApiEventNotifierPrivate->events(events);
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    while (!events.isEmpty()) {
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        NmApiMessage event = events.takeFirst();
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        switch (event.objectType) {
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            case EMailbox:
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                switch (event.action) {
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                    case ENew: {
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                        emit mailboxEvent(MailboxCreated, event.objectIds);
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                    } 
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                    break;
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                    case EDeleted: {
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                        emit mailboxEvent(MailboxDeleted, event.objectIds);
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                    }
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                    break;
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                    default:
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                        break;
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                }
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                break;
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            case EMessage:
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                switch (event.action) {
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                    case ENew: {
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                        emit messageEvent(MessageCreated, event.mailboxId, event.folderId,
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                            event.objectIds);
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                        }
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                        break;
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                    case EChange: {
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                        emit messageEvent(MessageChanged, event.mailboxId, event.folderId,
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                            event.objectIds);
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                        }
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                        break;
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                    case EDeleted: {
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                        emit messageEvent(MessageDeleted, event.mailboxId, event.folderId,
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                            event.objectIds);
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                        }
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                        break;
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                    default:
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                        break;
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                }
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                break;
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            default:
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                break;
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        }
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    }
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    events.clear();
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}
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} //End of EmailClientApi
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