tabmrumodel.h

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/* ============================================================
* Falkon - Qt web browser
* Copyright (C) 2018 David Rosca <nowrep@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#pragma once
 
#include <QAbstractProxyModel>
 
#include "qzcommon.h"
 
class WebTab;
class BrowserWindow;
 
class TabMruModelItem;
 
class FALKON_EXPORT TabMruModel : public QAbstractProxyModel
{
    Q_OBJECT
 
public:
    explicit TabMruModel(BrowserWindow *window, QObject *parent = nullptr);
    ~TabMruModel() override;
 
    QModelIndex tabIndex(WebTab *tab) const;
    WebTab *tab(const QModelIndex &index) const;
 
    Qt::ItemFlags flags(const QModelIndex &index) const override;
    int rowCount(const QModelIndex &parent) const override;
    int columnCount(const QModelIndex &parent) const override;
    QModelIndex parent(const QModelIndex &index) const override;
    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
 
    QModelIndex mapFromSource(const QModelIndex &sourceIndex) const override;
    QModelIndex mapToSource(const QModelIndex &proxyIndex) const override;
 
private:
    void init();
    QModelIndex index(TabMruModelItem *item) const;
    TabMruModelItem *item(const QModelIndex &index) const;
 
    void currentTabChanged(int index);
    void sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles);
    void sourceRowsInserted(const QModelIndex &parent, int start, int end);
    void sourceRowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
    void sourceReset();
 
    BrowserWindow *m_window;
    TabMruModelItem *m_root = nullptr;
    QHash<WebTab*, TabMruModelItem*> m_items;
};