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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU 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 met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMFSTORE_MAEMO6_H
#define QMFSTORE_MAEMO6_H

#include <qmobilityglobal.h>
#include <qmailstore.h>
#include "qmfhelpers_maemo6_p.h"
#include "qmessagestore_p.h"

QTM_BEGIN_NAMESPACE

class QMFStorePrivate;

class QMFStore : public QObject
{
    Q_OBJECT

    friend class QMFStorePrivate;

public:
    QMessageManager::Error error() const;

    QMessageIdList queryMessages(const QMessageFilter &filter, const QMessageSortOrder &sortOrder, uint limit, uint offset, QMessageManager::Error &error) const;
    QMessageIdList queryMessages(const QMessageFilter &filter, const QString &body, QMessageDataComparator::MatchFlags matchFlags, const QMessageSortOrder &sortOrder, uint limit, uint offset, QMessageManager::Error &error) const;

    QMessageFolderIdList queryFolders(const QMessageFolderFilter &filter, const QMessageFolderSortOrder &sortOrder, uint limit, uint offset, QMessageManager::Error &error) const;

    QMessageAccountIdList queryAccounts(const QMessageAccountFilter &filter, const QMessageAccountSortOrder &sortOrder, uint limit, uint offset, QMessageManager::Error &error) const;

    int countMessages(const QMessageFilter &filter, QMessageManager::Error &error) const;
    int countFolders(const QMessageFolderFilter &filter, QMessageManager::Error &error) const;
    int countAccounts(const QMessageAccountFilter &filter, QMessageManager::Error &error) const;

    bool addMessage(QMessage &m, QMessageManager::Error &error);
    bool updateMessage(QMessage &m, QMessageManager::Error &error);
    bool removeMessage(const QMessageId &id, QMessageManager::RemovalOption option, QMessageManager::Error &error);
    bool removeMessages(const QMessageFilter &filter, QMessageManager::RemovalOption option, QMessageManager::Error &error);

    bool removeAccount(const QMessageAccountId &id, QMessageManager::Error &error);

    QMessage message(const QMessageId &id, QMessageManager::Error &error) const;
    QMessageFolder folder(const QMessageFolderId &id, QMessageManager::Error &error) const;
    QMessageAccount account(const QMessageAccountId &id, QMessageManager::Error &error) const;

    QMessageManager::NotificationFilterId registerNotificationFilter(const QMessageFilter &filter);
    void unregisterNotificationFilter(QMessageManager::NotificationFilterId filterId);

    QByteArray getMimePart(const QMessageId &messageId, const QMessageContentContainerId &contId);
    QMessageAccountId defaultAccount() const;

    static QMFStore* instance();

signals:
    void messageAdded(const QMessageId &id, const QMessageManager::NotificationFilterIdSet &matchingFilterIds);
    void messageRemoved(const QMessageId &id, const QMessageManager::NotificationFilterIdSet &matchingFilterIds);
    void messageUpdated(const QMessageId &id, const QMessageManager::NotificationFilterIdSet &matchingFilterIds);
    void accountRemoved(const QMessageAccountId &id);

protected slots:
    void emitAccountRemoved();

private:
    friend class QGlobalStaticDeleter<QMFStore>;
    QMFStore(QObject *parent = 0);
    virtual ~QMFStore();

    QMFStorePrivate *d_ptr;
    QMessageAccountId *m_ptrRemovedAccountId;
};


class QMFStorePrivate : public QObject
{
    Q_OBJECT

public:
    QMFStorePrivate() 
        : QObject(), 
          _store(QMailStore::instance()), 
          _notify(true),
          _filterId(0)
    {
    }

    QMailStore *_store;
    bool _notify;
    QMessageManager::NotificationFilterId _filterId;
    QMap<QMessageManager::NotificationFilterId, QMailMessageKey> _filters;

    static QMailStore *convert(QMFStore *store);

    Q_SCOPED_STATIC_DECLARE(QMFStore,storeInstance);

    static void registerMessageStatus(QMailStore *store, const QString &field);
    static void createNonexistentFolder(QMailStore *store, const QString &path, quint64 status); 

public slots:
    void messagesAdded(const QMailMessageIdList &ids);
    void messagesRemoved(const QMailMessageIdList &ids);
    void messagesUpdated(const QMailMessageIdList &ids);

signals:
    void messageAdded(const QMessageId &id, const QMessageManager::NotificationFilterIdSet &matchingFilterIds);
    void messageRemoved(const QMessageId &id, const QMessageManager::NotificationFilterIdSet &matchingFilterIds);
    void messageUpdated(const QMessageId &id, const QMessageManager::NotificationFilterIdSet &matchingFilterIds);

private:
    void processFilters(const QMailMessageIdList &ids, void (QMFStorePrivate::*signal)(const QMessageId &, const QMessageManager::NotificationFilterIdSet &));
};


QTM_END_NAMESPACE

#endif