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** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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#include "qmessagestore_symbian_p.h"
#include "qmtmengine_symbian_p.h"
#ifdef FREESTYLEMAILUSED
#include "qfsengine_symbian_p.h"
#endif
#include "messagingutil_p.h"
#include "maemohelpers_p.h" // contains non-meamo specific helpers for messaging

#include <QString>

QTM_BEGIN_NAMESPACE

using namespace SymbianHelpers;


Q_GLOBAL_STATIC(QMessageStorePrivate,messageStorePrivate);

QMessageStorePrivate::QMessageStorePrivate()
  : q_ptr(0),
    _mtmEngine(0),
    _error(QMessageManager::NoError)
{
}

QMessageStorePrivate::~QMessageStorePrivate()
{
}

void QMessageStorePrivate::initialize(QMessageStore *store)
{
    q_ptr = store;
    _mtmEngine = CMTMEngine::instance();
#ifdef FREESTYLEMAILMAPI12USED
    CFSEngine::instance()->setMessageStorePrivateSingleton(this);
#endif
}

QMessageIdList QMessageStorePrivate::queryMessages(const QMessageFilter &filter, const QMessageSortOrder &sortOrder, uint limit, uint offset) const
{
    QMessageIdList ids;
    QMessageService service;
    connect(&service, SIGNAL(messagesFound(const QMessageIdList&)), this, SLOT(messagesFound(const QMessageIdList&)));
    if (service.queryMessages(filter, sortOrder, limit, offset)) {
        QObject::connect(&service, SIGNAL(messagesFound(const QMessageIdList&)), &loop, SLOT(quit()));
        QObject::connect(&service, SIGNAL(stateChanged(QMessageService::State)), this, SLOT(stateChanged(QMessageService::State)));
        loop.exec();
        ids = _ids;
        _ids.clear();
    }
    return ids;
}

QMessageIdList QMessageStorePrivate::queryMessages(const QMessageFilter &filter, const QString &body, QMessageDataComparator::MatchFlags matchFlags, const QMessageSortOrder &sortOrder, uint limit, uint offset) const
{
    QMessageIdList ids;
    QMessageService service;
    connect(&service, SIGNAL(messagesFound(const QMessageIdList&)), this, SLOT(messagesFound(const QMessageIdList&)));
    if (service.queryMessages(filter, body, matchFlags, sortOrder, limit, offset)) {
        QObject::connect(&service, SIGNAL(messagesFound(const QMessageIdList&)), &loop, SLOT(quit()));
        QObject::connect(&service, SIGNAL(stateChanged(QMessageService::State)), this, SLOT(stateChanged(QMessageService::State)));
        loop.exec();
        ids = _ids;
        _ids.clear();
    }
    return ids;
}

int QMessageStorePrivate::countMessages(const QMessageFilter& filter) const
{
    int count = 0;
    QMessageService service;
    connect(&service, SIGNAL(messagesCounted(int)), this, SLOT(messagesCounted(int)));
    if (service.countMessages(filter)) {
        QObject::connect(&service, SIGNAL(messagesCounted(int)), &loop, SLOT(quit()));
        QObject::connect(&service, SIGNAL(stateChanged(QMessageService::State)), this, SLOT(stateChanged(QMessageService::State)));
        loop.exec();
        count = _count;
        _count = 0;
    }
    return count;
}

void QMessageStorePrivate::stateChanged(QMessageService::State newState)
{
    if (newState == QMessageService::FinishedState) {
        loop.quit();
    }
}

void QMessageStorePrivate::messagesFound(const QMessageIdList &ids)
{
    _ids = ids;
    loop.quit();
}

void QMessageStorePrivate::messagesCounted(int count)
{
    _count = count;
    loop.quit();
}

QMessageAccountIdList QMessageStorePrivate::queryAccounts(const QMessageAccountFilter &filter, const QMessageAccountSortOrder &sortOrder, uint limit, uint offset) const
{
    QMessageAccountIdList idList;

    idList << _mtmEngine->queryAccounts(filter, sortOrder, 0, 0);

#ifdef FREESTYLEMAILUSED    
    idList << CFSEngine::instance()->queryAccounts(filter, sortOrder, 0, 0);
#endif

    MessagingHelper::orderAccounts(idList, sortOrder);

    MessagingHelper::applyOffsetAndLimitToAccountIdList(idList, limit, offset);

    return idList;
}

int QMessageStorePrivate::countAccounts(const QMessageAccountFilter &filter) const
{
    int count = 0;
#ifdef FREESTYLEMAILUSED
    count += CFSEngine::instance()->countAccounts(filter);
#endif
    count += _mtmEngine->countAccounts(filter);
    return count;
}

QMessageFolderIdList QMessageStorePrivate::queryFolders(const QMessageFolderFilter &filter, const QMessageFolderSortOrder &sortOrder, uint limit, uint offset) const
{
    QMessageFolderIdList idList;
#ifdef FREESTYLEMAILUSED
    idList << CFSEngine::instance()->queryFolders(filter, sortOrder, 0, 0);
#endif
    idList << _mtmEngine->queryFolders(filter, sortOrder, 0, 0);
 
    MessagingHelper::orderFolders(idList, sortOrder);

    MessagingHelper::applyOffsetAndLimitToFolderIdList(idList, limit, offset);

    return idList;
}

int QMessageStorePrivate::countFolders(const QMessageFolderFilter& filter) const
{
    int count = 0;
#ifdef FREESTYLEMAILUSED
    count += CFSEngine::instance()->countFolders(filter);
#endif
    count += _mtmEngine->countFolders(filter);
    return count;
}

QMessageFolder QMessageStorePrivate::folder(const QMessageFolderId& id) const
{
    switch (idType(id)) {
    case EngineTypeFreestyle:
#ifdef FREESTYLEMAILUSED
        return CFSEngine::instance()->folder(id);
#else
        return QMessageFolder();
#endif
    case EngineTypeMTM:
    default:
        return _mtmEngine->folder(id);
    }
}


bool QMessageStorePrivate::addMessage(QMessage *m)
{
    switch (idType(m->parentAccountId())) {
    case EngineTypeFreestyle:
#ifdef FREESTYLEMAILUSED
        return CFSEngine::instance()->addMessage(m);
#else
        return false;
#endif
    case EngineTypeMTM:
    default:
        return _mtmEngine->addMessage(m);
    }
}

bool QMessageStorePrivate::updateMessage(QMessage *m)
{
    switch (idType(m->id())) {
    case EngineTypeFreestyle:
#ifdef FREESTYLEMAILUSED
        return CFSEngine::instance()->updateMessage(m);
#else
        return false;
#endif
    case EngineTypeMTM:
    default:
        return _mtmEngine->updateMessage(m);
    }
}

bool QMessageStorePrivate::removeMessage(const QMessageId &id, QMessageManager::RemovalOption option)
{
    switch (idType(id)) {
    case EngineTypeFreestyle:
#ifdef FREESTYLEMAILUSED
        return CFSEngine::instance()->removeMessage(id, option);
#else
        return false;
#endif
    case EngineTypeMTM:
    default:
        return _mtmEngine->removeMessage(id, option);
    }
}

bool QMessageStorePrivate::removeMessages(const QMessageFilter &filter, QMessageManager::RemovalOption option)
{
    bool retVal = true;
    
    QMessageIdList ids;
    QMessageService service;
    connect(&service, SIGNAL(messagesFound(const QMessageIdList&)), this, SLOT(messagesFound(const QMessageIdList&)));
    if (service.queryMessages(filter)) {
        QObject::connect(&service, SIGNAL(messagesFound(const QMessageIdList&)), &loop, SLOT(quit()));
        QObject::connect(&service, SIGNAL(stateChanged(QMessageService::State)), this, SLOT(stateChanged(QMessageService::State)));
        loop.exec();
        ids = _ids;
        _ids.clear();
        
        for (int i=0; i < ids.count(); i++) {
            switch (idType(ids[i])) {
            case EngineTypeFreestyle:
#ifdef FREESTYLEMAILUSED
                if (!CFSEngine::instance()->removeMessage(ids[i], option)) {
                    retVal = false;
                }
                break;
#else
                return false;
#endif
            case EngineTypeMTM:
                if (!_mtmEngine->removeMessage(ids[i], option)) {
                    retVal = false;
                }
                break;
            default:
                return false;
            }
        }
    } else {
        retVal = false;
    }
    
    return retVal;
}

bool QMessageStorePrivate::removeAccount(const QMessageAccountId &id)
{
    switch (idType(id)) {
#ifdef FREESTYLEMAILMAPI12USED
    case EngineTypeFreestyle: {
        int err = CFSEngine::instance()->removeAccount(id);
        if(!err)
            err = loop.exec(QEventLoop::ExcludeUserInputEvents);
        
        switch (err) {
        case KErrNone:
            _error = QMessageManager::NoError;
            break;
        case KErrNotFound:
            _error = QMessageManager::InvalidId;
            break;
        case KErrNoMemory:
            _error = QMessageManager::WorkingMemoryOverflow;
            break;
        default:
            _error = QMessageManager::FrameworkFault;
            break;
        }
        break;
    }
#endif
    case EngineTypeMTM:
    default:
        _error = QMessageManager::NotYetImplemented;
        break;
    }
    
    return (_error == QMessageManager::NoError);
}

void QMessageStorePrivate::removeAccountComplete(int error)
{
    loop.exit(error);
}

void QMessageStorePrivate::accountRemoved(const QMessageAccountId &id)
{
    emit q_ptr->accountRemoved(id);
}

QMessage QMessageStorePrivate::message(const QMessageId& id) const
{
    switch (idType(id)) {
    case EngineTypeFreestyle:
#ifdef FREESTYLEMAILUSED
        return CFSEngine::instance()->message(id);
#else
        return QMessage();
#endif
    case EngineTypeMTM:
    default:
        return _mtmEngine->message(id);
    }
}

QMessageAccount QMessageStorePrivate::account(const QMessageAccountId &id) const
{
    switch (idType(id)) {
    case EngineTypeFreestyle:
#ifdef FREESTYLEMAILUSED
        return CFSEngine::instance()->account(id);
#else
        return QMessageAccount();
#endif
    case EngineTypeMTM:
    default:
        return _mtmEngine->account(id);
    }
}

QMessageManager::NotificationFilterId QMessageStorePrivate::registerNotificationFilter(const QMessageFilter &filter)
{
    QMessageManager::NotificationFilterId id = _mtmEngine->registerNotificationFilter(*this, filter);
#ifdef FREESTYLEMAILUSED
    return CFSEngine::instance()->registerNotificationFilter(*this, filter, id);
#else
    return id;
#endif   
}

void QMessageStorePrivate::unregisterNotificationFilter(QMessageManager::NotificationFilterId notificationFilterId)
{
#ifdef FREESTYLEMAILUSED
    CFSEngine::instance()->unregisterNotificationFilter(notificationFilterId);  
#endif
    _mtmEngine->unregisterNotificationFilter(notificationFilterId);  

}

void QMessageStorePrivate::messageNotification(QMessageStorePrivate::NotificationType type, const QMessageId& id,
                                               const QMessageManager::NotificationFilterIdSet &matchingFilters)
{
    switch (type) {
    case Added:
        emit q_ptr->messageAdded(id, matchingFilters);
        break;
    case Updated:
        emit q_ptr->messageUpdated(id, matchingFilters);
        break;
    case Removed:
        emit q_ptr->messageRemoved(id, matchingFilters);
        break;
    }
}

QMessageStore::QMessageStore(QObject *parent)
    : QObject(parent),
      d_ptr(messageStorePrivate())
{
    Q_ASSERT(d_ptr != 0);
    Q_ASSERT(d_ptr->q_ptr == 0); // QMessageStore should be singleton
    d_ptr->initialize(this);
}

QMessageStore::~QMessageStore()
{
    d_ptr = 0; // should be cleaned up by automatically
}

QMessageStore* QMessageStore::instance()
{
    QMessageStorePrivate *d = messageStorePrivate();
    Q_ASSERT(d != 0);
    if (!d->q_ptr)
        new QMessageStore();
    return d->q_ptr;
}

QMessageManager::Error QMessageStore::error() const
{
#ifdef FREESTYLEMAILMAPI12USED
    return d_ptr->_error;
#else
    return QMessageManager::NoError;
#endif
}

QMessageIdList QMessageStore::queryMessages(const QMessageFilter &filter, const QMessageSortOrder &sortOrder, uint limit, uint offset) const
{
    return messageStorePrivate()->queryMessages(filter, sortOrder, limit, offset);
}

QMessageIdList QMessageStore::queryMessages(const QMessageFilter &filter, const QString &body, QMessageDataComparator::MatchFlags matchFlags, const QMessageSortOrder &sortOrder, uint limit, uint offset) const
{
    return messageStorePrivate()->queryMessages(filter, body, matchFlags, sortOrder, limit, offset);
}

QMessageFolderIdList QMessageStore::queryFolders(const QMessageFolderFilter &filter, const QMessageFolderSortOrder &sortOrder, uint limit, uint offset) const
{
    return messageStorePrivate()->queryFolders(filter, sortOrder, limit, offset);
}

QMessageAccountIdList QMessageStore::queryAccounts(const QMessageAccountFilter &filter, const QMessageAccountSortOrder &sortOrder, uint limit, uint offset) const
{
    return messageStorePrivate()->queryAccounts(filter, sortOrder, limit, offset);
}

int QMessageStore::countMessages(const QMessageFilter& filter) const
{
    return messageStorePrivate()->countMessages(filter);
}

int QMessageStore::countFolders(const QMessageFolderFilter& filter) const
{
    return messageStorePrivate()->countFolders(filter);
}

int QMessageStore::countAccounts(const QMessageAccountFilter& filter) const
{
    return messageStorePrivate()->countAccounts(filter);
}

bool QMessageStore::removeMessage(const QMessageId& id, QMessageManager::RemovalOption option)
{
    return messageStorePrivate()->removeMessage(id, option);
}

bool QMessageStore::removeMessages(const QMessageFilter& filter, QMessageManager::RemovalOption option)
{
    return messageStorePrivate()->removeMessages(filter, option);
}

bool QMessageStore::removeAccount(const QMessageAccountId &id)
{
    return messageStorePrivate()->removeAccount(id);
}

bool QMessageStore::addMessage(QMessage *m)
{
    return messageStorePrivate()->addMessage(m);   	
}

bool QMessageStore::updateMessage(QMessage *m)
{
	return messageStorePrivate()->updateMessage(m);
}

QMessage QMessageStore::message(const QMessageId& id) const
{
    return messageStorePrivate()->message(id);
}

QMessageFolder QMessageStore::folder(const QMessageFolderId& id) const
{
    return messageStorePrivate()->folder(id);
}

QMessageAccount QMessageStore::account(const QMessageAccountId& id) const
{
    return messageStorePrivate()->account(id);
}

QMessageManager::NotificationFilterId QMessageStore::registerNotificationFilter(const QMessageFilter &filter)
{
    return messageStorePrivate()->registerNotificationFilter(filter);
}

void QMessageStore::unregisterNotificationFilter(QMessageManager::NotificationFilterId notificationFilterId)
{
    messageStorePrivate()->unregisterNotificationFilter(notificationFilterId);
}

#include "moc_qmessagestore_symbian_p.cpp"
QTM_END_NAMESPACE