headerstyleplugin.h

/*
   SPDX-FileCopyrightText: 2015-2025 Laurent Montel <montel@kde.org>
 
   SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#pragma once
 
#include <QObject>
 
#include "messageviewer_export.h"
#include <memory>
class KActionCollection;
class QActionGroup;
class KActionMenu;
namespace MessageViewer
{
class HeaderStyle;
class HeaderStrategy;
class HeaderStylePluginPrivate;
class HeaderStyleInterface;
/**
 * @brief The HeaderStylePlugin class
 * @author Laurent Montel <montel@kde.org>
 */
class MESSAGEVIEWER_EXPORT HeaderStylePlugin : public QObject
{
    Q_OBJECT
public:
    explicit HeaderStylePlugin(QObject *parent = nullptr);
    ~HeaderStylePlugin() override;
 
    virtual HeaderStyle *headerStyle() const = 0;
    virtual HeaderStrategy *headerStrategy() const = 0;
    virtual HeaderStyleInterface *createView(KActionMenu *menu, QActionGroup *actionGroup, KActionCollection *ac, QObject *parent = nullptr) = 0;
    [[nodiscard]] virtual QString name() const = 0;
    [[nodiscard]] virtual bool hasMargin() const;
    [[nodiscard]] virtual QString alignment() const;
    [[nodiscard]] virtual int elidedTextSize() const;
 
    void setIsEnabled(bool enabled);
    [[nodiscard]] bool isEnabled() const;
 
    [[nodiscard]] virtual QString attachmentHtml() const;
 
    [[nodiscard]] virtual bool hasConfigureDialog() const;
 
    virtual void showConfigureDialog(QWidget *parent);
 
    [[nodiscard]] virtual QString extraScreenCss(const QString &headerFont) const;
    [[nodiscard]] virtual QString extraPrintCss(const QString &headerFont) const;
    [[nodiscard]] virtual QString extraCommonCss(const QString &headerFont) const;
 
private:
    std::unique_ptr<HeaderStylePluginPrivate> const d;
};
}