/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Device Utilities module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
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****************************************************************************/
#ifndef LOCALEMODEL_H
#define LOCALEMODEL_H

#include <QObject>
#include <QAbstractListModel>
#include <QLocale>
#include <QMutex>

QT_BEGIN_NAMESPACE

class LocaleItem : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QString code READ code CONSTANT)
    Q_PROPERTY(QString country READ country CONSTANT)
    Q_PROPERTY(QString language READ language CONSTANT)
public:
    explicit LocaleItem(const QLocale &locale, QObject *parent = Q_NULLPTR);
    QString country() const;
    QString language() const;
    QString code() const;

private:
    QString m_country;
    QString m_language;
    QString m_code;
};

class Q_DECL_EXPORT LocaleModel : public QAbstractListModel
{
    Q_OBJECT

public:
    explicit LocaleModel(QObject *parent = Q_NULLPTR);
    virtual ~LocaleModel();
    // from QAbstractItemModel
    int rowCount(const QModelIndex & parent = QModelIndex()) const;
    QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const;
    QHash<int, QByteArray> roleNames() const;
    void sort(int column, Qt::SortOrder order=Qt::AscendingOrder);
    static bool variantLessThan(const LocaleItem* v1, const LocaleItem* v2);

    enum Roles {
        Language = Qt::UserRole + 1,
        Country,
        Code
    };

    static void generateModel(LocaleModel* model);

Q_SIGNALS:
    void addItem(LocaleItem* item);

private Q_SLOTS:
    void addNewItem(QObject* item);
    void modelReady();

private:
    QList<LocaleItem*> m_items;
    QHash<int, QByteArray> m_roleNames;
};

QT_END_NAMESPACE

#endif // LOCALEMODEL_H