/*

* 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 "cntpresencelistener.h"

#include <prcpresencebuddyinfo_qt.h>

#include <prcpresencereader_qt.h>

CntPresenceListener::CntPresenceListener(const QContact& contact, QObject* parent) :

    QObject(parent),

    mReader(NULL),

    mContact(contact)

{

    mReader = PrcPresenceReader::createReader();

    connect(mReader, SIGNAL(signalPresenceNotification(bool, PrcPresenceBuddyInfoQt*)), 

                           this, SLOT(handlePresenceUpdate(bool, PrcPresenceBuddyInfoQt*)));

}

CntPresenceListener::~CntPresenceListener()

{

    delete mReader;

    mReader = NULL;

}

QMap<QString, bool> CntPresenceListener::initialPresences(bool &combinedOnlineStatus)

{

    QMap<QString, bool> initialMap;

    QList<QContactOnlineAccount> accounts = mContact.details<QContactOnlineAccount>();

    QList<PrcPresenceBuddyInfoQt*> buddies;

    foreach (QContactOnlineAccount account, accounts)

    {

        QString fullAccount = account.serviceProvider() + ':' + account.accountUri();

        PrcPresenceBuddyInfoQt* buddy = mReader->presenceInfo(fullAccount);

        if (buddy)

        {

            buddies.append(buddy);

            if (!mAccountList.contains(buddy->buddyId()))

            {

                bool isAvailable = (buddy->availability() == PrcPresenceBuddyInfoQt::PrcAvailable);

                initialMap.insert(fullAccount, isAvailable);

                mAccountList.append(buddy->buddyId());

                mReader->subscribePresenceBuddyChange(buddy->buddyId());

            }

        }

    }

    combinedOnlineStatus = parsePresence(buddies);

    qDeleteAll(buddies);

    return initialMap;

}

void CntPresenceListener::handlePresenceUpdate(bool aSuccess, PrcPresenceBuddyInfoQt* aPresenceBuddyInfo)

{

    if (aSuccess && aPresenceBuddyInfo != NULL)

    {

        if (mAccountList.contains(aPresenceBuddyInfo->buddyId()))

        {

            // First emit the account-specific presence updated signal

            bool isAvailable = (aPresenceBuddyInfo->availability() == PrcPresenceBuddyInfoQt::PrcAvailable);

            emit accountPresenceUpdated(aPresenceBuddyInfo->buddyId(), isAvailable);

            QList<PrcPresenceBuddyInfoQt*> buddies;

            foreach (QString account, mAccountList)

            {

                PrcPresenceBuddyInfoQt* buddy = mReader->presenceInfo(account);

                if (buddy)

                {

                    buddies.append(buddy);

                }

            }

            // emit the combined presence status

            emit fullPresenceUpdated(parsePresence(buddies));

            qDeleteAll(buddies);

        }

    }

}

bool CntPresenceListener::parsePresence(QList<PrcPresenceBuddyInfoQt*> buddyList)

{

    foreach (PrcPresenceBuddyInfoQt* buddy, buddyList)

    {

        PrcPresenceBuddyInfoQt::AvailabilityValues availability = buddy->availability();

        if (availability == PrcPresenceBuddyInfoQt::PrcAvailable)

        {

            return true;

        }

    }

    return false;

}

// EOF