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/*
 * This file is part of smolbote. It's copyrighted by the contributors recorded
 * in the version control history of the file, available from its original
 * location: https://neueland.iserlohn-fortress.net/gitea/aqua/smolbote
 *
 * SPDX-License-Identifier: GPL-3.0
 */

#ifndef SMOLBOTE_TABWIDGET_H
#define SMOLBOTE_TABWIDGET_H

#include <QBuffer>
#include <QQueue>
#include <QTabWidget>

template <typename T>
concept c_WebView = requires(T *a)
{
    a->title();
    a->titleChanged(QString());
    a->iconChanged(QIcon());
};

class QAction;
class QMenu;
class WebView;
class WebProfile;
class QWebEnginePage;
class SubWindow;
class TabWidget : public QTabWidget
{
    Q_OBJECT

public:
    explicit TabWidget(SubWindow *parent = nullptr);
    ~TabWidget() override;

    template <c_WebView T>
    int addTab(T *view)
    {
        if(view == nullptr) {
            return -1;
        }

        const int idx = QTabWidget::addTab(view, view->title());
        connect(view, &T::titleChanged, [this, view](const QString &title) {
            const int current_idx = indexOf(view);
            if(current_idx != -1) {
                setTabText(current_idx, title);
            }
        });
        connect(view, &T::iconChanged, [this, view](const QIcon &icon) {
            const int current_idx = indexOf(view);
            if(current_idx != -1) {
                setTabIcon(current_idx, icon);
            }
        });
        //tabBar()->setTabData(idx, QVariant::fromValue<SubWindow::TabData>(SubWindow::TabData{}));
        return idx;
    }

public slots:
    void removeTab(int index);

    int restoreLastTab();
    void restoreTabMenu(QMenu *menu);

protected:
    void contextMenuEvent(QContextMenuEvent *event) override;
    void mousePressEvent(QMouseEvent *event) override;

private:
    struct TabInformation {
        WebProfile *profile;
        QString title;
        int historyIndex;
        QByteArray historyBuffer;
    };
    [[nodiscard]] WebView *createViewFromInfo(TabInformation &tab, SubWindow *parent);

    SubWindow *m_parent;
    int current = -1;
    int previous = -1;
    QMenu *tabContextMenu;
    QQueue<TabInformation> m_closedTabs;
};

#endif // SMOLBOTE_TABWIDGET_H