/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#pragma once

#include <sfx2/sidebar/ResourceManager.hxx>

#include <vcl/InterimItemWindow.hxx>

#include <vcl/weld/Builder.hxx>

#include <com/sun/star/graphic/XGraphic.hpp>

#include <functional>

namespace com::sun::star::frame { class XFrame; }

namespace com::sun::star::graphic { class XGraphic; }

namespace weld { class MenuButton; }

namespace weld { class Toolbar; }

namespace sfx2::sidebar {

class FocusManager;

class SidebarController;

/** The tab bar is the container for the individual tabs.

*/

class TabBar final : public InterimItemWindow

{

    friend class TabBarUIObject;

public:

    typedef ::std::function<void (

            weld::Menu& rMainMenu, weld::Menu& rSubMenu)> PopupMenuSignalConnectFunction;

    TabBar (

        vcl::Window* pParentWindow,

        const css::uno::Reference<css::frame::XFrame>& rxFrame,

        ::std::function<void (const OUString& rsDeckId)> aDeckActivationFunctor,

        PopupMenuSignalConnectFunction aPopupMenuSignalConnectFunction,

        SidebarController& rParentSidebarController);

    weld::Container* GetContainer() { return m_xContainer.get(); }

    virtual ~TabBar() override;

    virtual void dispose() override;

    virtual void DataChanged (const DataChangedEvent& rDataChangedEvent) override;

    virtual bool EventNotify (NotifyEvent& rEvent) override;

    static sal_Int32 GetDefaultWidth();

    void SetDecks (

        const ResourceManager::DeckContextDescriptorContainer& rDecks);

    void HighlightDeck (std::u16string_view rsDeckId);

    void RemoveDeckHighlight ();

    OUString const & GetDeckIdForIndex (const sal_Int32 nIndex) const;

    void ToggleHideFlag (const sal_Int32 nIndex);

    void UpdateFocusManager (FocusManager& rFocusManager);

    /// Enables/Disables the menu button. Used by LoKit.

    void EnableMenuButton(const bool bEnable);

    void UpdateMenus();

    virtual FactoryFunction GetUITestFactory() const override;

private:

    css::uno::Reference<css::frame::XFrame> mxFrame;

    // This unusual auxiliary builder is because without a toplevel GtkWindow

    // gtk will warn on loading a .ui with an accelerator defined, so use a

    // temporary toplevel to suppress that and move the contents after load

    std::unique_ptr<weld::Builder> mxAuxBuilder;

    std::unique_ptr<weld::Box> mxTempToplevel;

    std::unique_ptr<weld::Widget> mxContents;

    std::unique_ptr<weld::MenuButton> mxMenuButton;

    std::unique_ptr<weld::Menu> mxMainMenu;

    std::unique_ptr<weld::Menu> mxSubMenu;

    std::unique_ptr<weld::Widget> mxMeasureBox;

    class Item

    {

    private:

        TabBar& mrTabBar;

        std::unique_ptr<weld::Builder> mxBuilder;

    public:

        Item(TabBar& rTabBar);

        ~Item();

        DECL_LINK(HandleClick, const OUString&, void);

        std::unique_ptr<weld::Toolbar> mxButton;

        OUString msDeckId;

        typedef ::std::function<void (const OUString& rsDeckId)> DeckActivationFunctor;

        DeckActivationFunctor maDeckActivationFunctor;

        bool mbIsHidden;

    };

    typedef ::std::vector<std::unique_ptr<Item>> ItemContainer;

    ItemContainer maItems;

    const Item::DeckActivationFunctor maDeckActivationFunctor;

    void CreateTabItem(weld::Toolbar& rButton, const DeckDescriptor& rDeckDescriptor);

    css::uno::Reference<css::graphic::XGraphic> GetItemImage(const DeckDescriptor& rDeskDescriptor) const;

    void UpdateButtonIcons();

    SidebarController& mrParentSidebarController;

};

} // end of namespace sfx2::sidebar

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */