messagepartrenderermanager.h

/*
   SPDX-FileCopyrightText: 2016-2025 Laurent Montel <montel@kde.org>
 
   SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#pragma once
#include "messageviewer_export.h"
#include <QObject>
 
#include <KTextTemplate/Template>
 
#include <QMetaType>
 
#include <functional>
 
namespace GrantleeTheme
{
class Engine;
}
 
namespace MessageViewer
{
class GlobalContext;
 
using KTextTemplateCallback = std::function<void(KTextTemplate::OutputStream *)>;
/**
 * @brief The MessagePartRendererManager class
 */
class MESSAGEVIEWER_EXPORT MessagePartRendererManager : public QObject
{
    Q_OBJECT
public:
    ~MessagePartRendererManager() override;
    static MessagePartRendererManager *self();
    [[nodiscard]] KTextTemplate::Template loadByName(const QString &name);
    [[nodiscard]] KTextTemplate::Context createContext();
 
private:
    explicit MessagePartRendererManager(QObject *parent = nullptr);
    MESSAGEVIEWER_NO_EXPORT void initializeRenderer();
    GrantleeTheme::Engine *m_engine = nullptr;
    GlobalContext *const m_globalContext;
};
}
 
Q_DECLARE_METATYPE(MessageViewer::KTextTemplateCallback)