/*
 * tabmanager.h - Controller for tab dialogs.
 * Copyright (C) 2007  Kevin Smith
 *
 * 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 2
 * 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 <https://www.gnu.org/licenses/>.
 *
 */
#ifndef TABMANAGER_H
#define TABMANAGER_H

#include "psicon.h"

#include <QList>
#include <QObject>

class TabDlg;
class TabDlgDelegate;
class TabbableWidget;

class TabManager : public QObject {
    Q_OBJECT
public:
    TabManager(PsiCon *psiCon, QObject *parent = nullptr);
    ~TabManager();

    PsiCon *psiCon() const;

    /**
     * Get the default tabset for this widget (created if needed).
     */
    TabDlg *getTabs(QWidget *widget);

    /**
     * Return a new tabset (for this widget).
     */
    TabDlg *newTabs(QWidget *widget = nullptr);

    /**
     * Checks if a tabset manages this widget.
     */
    bool isChatTabbed(const TabbableWidget *) const;

    /**
     * Returns the tab dialog that owns the supplied widget.
     */
    TabDlg *getManagingTabs(const TabbableWidget *) const;

    /**
     * Returns all active tabsets (could be empty).
     */
    const QList<TabDlg *> &tabSets();

    /**
     * Checks if a given widget should be in a tabset
     * (depends on set options and widget type).
     */
    bool shouldBeTabbed(QWidget *widget);

    /**
     * removes and deletes all tabsets
     */
    void deleteAll();

    /**
     * Returns the Kind of the given widget.
     */
    QChar tabKind(QWidget *widget);

    /**
     * return the preferred tabset for a given kind of tabs(0 for none).
     */
    TabDlg *preferredTabsForKind(QChar kind);

    /**
     * set the preferred tabset for a given kind of tabs
     */
    void setPreferredTabsForKind(QChar kind, TabDlg *tabs);

    /**
     * set the delegate to be used for all created TabDlgs
     */
    void setTabDlgDelegate(TabDlgDelegate *delegate);

    /**
     * enable/disable user dragging/detach/assignment of tabs
     *
     * the default is enabled
     */
    void setUserManagementEnabled(bool enabled);

    /**
     * enable/disable display of PsiTabBar when there is only one tab
     *
     * the default is enabled
     */
    void setTabBarShownForSingles(bool enabled);

    /**
     * enable/disable simplified caption mode
     *
     * the default is disabled
     */
    void setSimplifiedCaptionEnabled(bool enabled);

public slots:
    void tabDestroyed(QObject *);

private:
    QMap<QChar, TabDlg *>   preferedTabsetForKind_;
    QMap<TabDlg *, QString> tabsetToKinds_;
    QList<TabDlg *>         tabs_;
    QList<TabbableWidget *> tabControlledChats_;
    PsiCon *                psiCon_;
    TabDlgDelegate *        tabDlgDelegate_;
    bool                    userManagement_;
    bool                    tabSingles_;
    bool                    simplifiedCaption_;
};

#endif // TABMANAGER_H
