/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not, 

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*

*/

#include "xqsettingsmanager_p.h"

#include <QVariant>

#include "settingshandlerbase.h"

#include "ccentralrepositoryhandler.h"

#include "cpublishandsubscribehandler.h"

XQSettingsManagerPrivate::XQSettingsManagerPrivate(XQSettingsManager* settingsManager) 

    : q(settingsManager)

{   

}

XQSettingsManagerPrivate::~XQSettingsManagerPrivate()

{

    foreach (SettingsHandlerBase* handler, m_centralRepositoryHandlers)

        delete handler;

    foreach (SettingsHandlerBase* handler, m_publishAndSubscribeHandlers)

        delete handler;

}

QVariant XQSettingsManagerPrivate::readItemValue(const XQSettingsKey& key, XQSettingsManager::Type type)

{

    SettingsHandlerBase* handler = handlerInstance(key);

    if (handler)

    {

        return handler->handleReadItemValue(key, type, iError);

    }

    return QVariant();

}

bool XQSettingsManagerPrivate::writeItemValue(const XQSettingsKey& key, const QVariant& value)

{

    SettingsHandlerBase* handler = handlerInstance(key);

    if (handler)

    {

        return handler->handleWriteItemValue(key, value, iError);

    }

    return false;

}

bool XQSettingsManagerPrivate::startMonitoring(const XQSettingsKey& key, XQSettingsManager::Type type)

{

    SettingsHandlerBase* handler = handlerInstance(key);

    if (handler)

    {

        return handler->handleStartMonitoring(key, type, *this, iError);

    }

    return false;

}

bool XQSettingsManagerPrivate::stopMonitoring(const XQSettingsKey& key)

{

    SettingsHandlerBase* handler = NULL;

    const long int uid = key.uid();

    switch (key.target())

    {

        case XQSettingsKey::TargetCentralRepository:

            if (m_centralRepositoryHandlers.contains(uid))

            {

                handler = m_centralRepositoryHandlers.value(uid);

            }

            break;

        case XQSettingsKey::TargetPublishAndSubscribe:

            if (m_publishAndSubscribeHandlers.contains(uid))

            {

                handler = m_publishAndSubscribeHandlers.value(uid);

            }

            break;

        default:

            break;

    }

    if (handler)

    {

        return handler->handleStopMonitoring(key, iError);

    }

    iError = KErrNotFound;

    return false;

}

XQSettingsManager::Error XQSettingsManagerPrivate::error() const

{

    switch (iError) 

    {

        case KErrNone:

            return XQSettingsManager::NoError;

        case KErrNoMemory:

            return XQSettingsManager::OutOfMemoryError;

        case KErrNotFound:

            return XQSettingsManager::NotFoundError;

        case KErrAlreadyExists:

            return XQSettingsManager::AlreadyExistsError;

        case KErrPermissionDenied:

            return XQSettingsManager::PermissionDeniedError;

        case KErrArgument:

            return XQSettingsManager::BadTypeError;

        case KErrNotSupported:

            return XQSettingsManager::NotSupportedError;

        default:

            qDebug("XQSettingsManagerPrivate::error() iError = %d", iError);

            return XQSettingsManager::UnknownError;

    }    

}

CCentralRepositoryHandler* XQSettingsManagerPrivate::cenRepHandlerInstance(long int repositoryUid)

{

    CCentralRepositoryHandler* handler = NULL;

    if (m_centralRepositoryHandlers.contains(repositoryUid))

    {

        handler = m_centralRepositoryHandlers.value(repositoryUid);

    }

    else

    {

        TUid uid;

        uid.iUid = repositoryUid;

        TRAP(iError, handler = CCentralRepositoryHandler::NewL(uid);)

        if (handler)

        {

            static_cast<SettingsHandlerBase*>(handler)->setObserver(this);

            m_centralRepositoryHandlers[repositoryUid] = handler;

        }

    }

    return handler;

}

CPublishAndSubscribeHandler* XQSettingsManagerPrivate::pubSubHandlerInstance(long int categoryUid)

{

    CPublishAndSubscribeHandler* handler = NULL;

    if (m_publishAndSubscribeHandlers.contains(categoryUid))

    {

        handler = m_publishAndSubscribeHandlers.value(categoryUid);

    }

    else

    {

        TUid uid;

        uid.iUid = categoryUid;

        TRAP(iError, handler = CPublishAndSubscribeHandler::NewL(uid);)

        if (handler)

        {

            static_cast<SettingsHandlerBase*>(handler)->setObserver(this);

            m_publishAndSubscribeHandlers[categoryUid] = handler;

        }

    }

    return handler;

}

SettingsHandlerBase* XQSettingsManagerPrivate::handlerInstance(const XQSettingsKey& key)

{

    SettingsHandlerBase* handler = NULL;

    const XQSettingsKey::Target target = key.target();

    switch (target)

    {

        case XQSettingsKey::TargetCentralRepository:

            handler = cenRepHandlerInstance(key.uid());

            break;

        case XQSettingsKey::TargetPublishAndSubscribe:

            handler = pubSubHandlerInstance(key.uid());

            break;

        default:

            break;

    }

    return handler;

}

void XQSettingsManagerPrivate::valueChanged(const XQSettingsKey& key, XQSettingsManager::Type type)

{

    emit q->valueChanged(key, readItemValue(key, type));

}

void XQSettingsManagerPrivate::itemDeleted(const XQSettingsKey& key)

{

    XQSettingsKey deletedKey(key);

    stopMonitoring(deletedKey);

    emit q->itemDeleted(deletedKey);

}

// End of file