/*
   Copyright (C) 2015-2020 Laurent Montel <montel@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#ifndef HEADERSTYLEINTERFACE_H
#define HEADERSTYLEINTERFACE_H

#include <QObject>
#include "messageviewer_export.h"
class KToggleAction;
class KActionCollection;
class QAction;
class QActionGroup;
class KActionMenu;
namespace MessageViewer {
class HeaderStyle;
class HeaderStylePlugin;
/**
 * @brief The HeaderStyleInterface class
 * @author Laurent Montel <montel@kde.org>
 */
class MESSAGEVIEWER_EXPORT HeaderStyleInterface : public QObject
{
    Q_OBJECT
public:
    explicit HeaderStyleInterface(MessageViewer::HeaderStylePlugin *, QObject *parent = nullptr);
    ~HeaderStyleInterface() override;
    Q_REQUIRED_RESULT QList<KToggleAction * > action() const;
    virtual void createAction(KActionMenu *menu, QActionGroup *actionGroup, KActionCollection *ac) = 0;
    virtual void activateAction() = 0;
    Q_REQUIRED_RESULT HeaderStylePlugin *headerStylePlugin() const;

Q_SIGNALS:
    void styleChanged(MessageViewer::HeaderStylePlugin *plugin);
    void styleUpdated();

protected Q_SLOTS:
    void slotStyleChanged();
protected:
    void addHelpTextAction(QAction *act, const QString &text);
    void addActionToMenu(KActionMenu *menu, QActionGroup *actionGroup);
    QList<KToggleAction *> mAction;
    HeaderStylePlugin *mHeaderStylePlugin = nullptr;
};
}
#endif // HEADERSTYLEINTERFACE_H
