proxytranslator.h

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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef PROXYTRANSLATOR_H
#define PROXYTRANSLATOR_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <private/qqmldebugserviceinterfaces_p.h>
#include <private/qqmlglobal_p.h>
 
#include <QtCore/qstring.h>
#include <QtCore/qurl.h>
#include <QtCore/qtranslator.h>
 
#include <memory>
 
QT_BEGIN_NAMESPACE
 
class ProxyTranslator : public QTranslator
{
    Q_OBJECT
public:
    QString translate(const char *context, const char *sourceText, const char *disambiguation, int n) const override;
    bool isEmpty() const override;
 
    QString currentUILanguages() const;
    void setLanguage(const QUrl &context, const QLocale &locale);
    void addEngine(QQmlEngine *engine);
    void removeEngine(QQmlEngine *engine);
 
    bool hasTranslation(const TranslationBindingInformation &translationBindingInformation) const;
    static QString
    translationFromInformation(const TranslationBindingInformation &translationBindingInformation);
    static QQmlSourceLocation sourceLocationFromInformation(const TranslationBindingInformation &translationBindingInformation);
Q_SIGNALS:
    void languageChanged(const QLocale &locale);
 
private:
    void resetTranslationFound() const;
    bool translationFound() const;
    QList<QQmlEngine *> m_engines;
    std::unique_ptr<QTranslator> m_qtTranslator;
    std::unique_ptr<QTranslator> m_qmlTranslator;
    bool m_enable = false;
    QString m_currentUILanguages;
    mutable bool m_translationFound = false;
};
 
QT_END_NAMESPACE
 
#endif // PROXYTRANSLATOR_H