/* -*- 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 <svtools/svtdllapi.h>

#include <memory>

#include <rtl/ref.hxx>

#include <vcl/dockwin.hxx>

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

namespace com::sun::star::frame { struct FeatureStateEvent; }

namespace svt { class FrameStatusListener; }

namespace weld { class Builder; }

namespace weld { class Container; }

namespace weld { class Widget; }

class SVT_DLLPUBLIC WeldToolbarPopup

{

private:

    DECL_DLLPRIVATE_LINK(FocusHdl, weld::Widget&, void);

protected:

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

    std::unique_ptr<weld::Container> m_xTopLevel;

    std::unique_ptr<weld::Container> m_xContainer;

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

    rtl::Reference<svt::FrameStatusListener> m_xStatusListener;

public:

    WeldToolbarPopup(css::uno::Reference<css::frame::XFrame> xFrame,

                     weld::Widget* pParent, const OUString& rUIFile, const OUString& rId);

    virtual ~WeldToolbarPopup();

    weld::Container* getTopLevel() { return m_xTopLevel.get(); }

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

    void AddStatusListener(const OUString& rCommandURL);

    // Forwarded from XStatusListener (subclasses must override this one to get the status updates):

    /// @throws css::uno::RuntimeException

    virtual void statusChanged(const css::frame::FeatureStateEvent& Event);

    virtual void GrabFocus() = 0;

};

// we want to create WeldToolbarPopup on-demand when a toolbar dropdown is

// clicked, but the widget to be shown must exist before the dropdown

// is activated, so ToolbarPopupContainer is that widget and the

// contents of the on-demand created WeldToolbarPopup is placed

// within the ToolbarPopupContainer

class SVT_DLLPUBLIC ToolbarPopupContainer final

{

private:

    DECL_DLLPRIVATE_LINK(FocusHdl, weld::Widget&, void);

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

    std::unique_ptr<weld::Container> m_xTopLevel;

    std::unique_ptr<weld::Container> m_xContainer;

    std::unique_ptr<WeldToolbarPopup> m_xPopup;

public:

    ToolbarPopupContainer(weld::Widget* pParent);

    ~ToolbarPopupContainer();

    weld::Container* getTopLevel() { return m_xTopLevel.get(); }

    void setPopover(std::unique_ptr<WeldToolbarPopup> xPopup);

    WeldToolbarPopup* getPopover() const { return m_xPopup.get(); }

    void unsetPopover();

};

class SVT_DLLPUBLIC InterimToolbarPopup final : public DropdownDockingWindow

{

private:

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

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

    std::unique_ptr<weld::Container> m_xContainer;

    std::unique_ptr<WeldToolbarPopup> m_xPopup;

public:

    InterimToolbarPopup(const css::uno::Reference<css::frame::XFrame>& rFrame, vcl::Window* pParent,

                        std::unique_ptr<WeldToolbarPopup> xPopup, bool bTearable = false);

    virtual void dispose() override;

    virtual ~InterimToolbarPopup() override;

    virtual void GetFocus() override;

    void EndPopupMode();

};

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