/* -*- 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 .

 */

#include <sfx2/sidebar/Panel.hxx>

#include <sidebar/PanelTitleBar.hxx>

#include <sidebar/PanelDescriptor.hxx>

#include <sfx2/sidebar/ResourceManager.hxx>

#include <sfx2/sidebar/SidebarController.hxx>

#include <sfx2/sidebar/SidebarPanelBase.hxx>

#include <sfx2/viewfrm.hxx>

#include <sfx2/viewsh.hxx>

#include <tools/json_writer.hxx>

#include <sidebar/Tools.hxx>

#include <sfx2/sidebar/Deck.hxx>

#include <com/sun/star/ui/XToolPanel.hpp>

#include <com/sun/star/ui/XSidebarPanel.hpp>

#include <com/sun/star/ui/XUIElement.hpp>

#include <utility>

#include <vcl/svapp.hxx>

#include <vcl/weld/TransportAsXWindow.hxx>

using namespace css;

using namespace css::uno;

namespace sfx2::sidebar {

Panel::Panel(const PanelDescriptor& rPanelDescriptor,

             weld::Widget* pParentWindow,

             const bool bIsInitiallyExpanded,

             Deck* pDeck,

             std::function<Context()> aContextAccess,

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

    : mxBuilder(Application::CreateBuilder(pParentWindow, u"sfx/ui/panel.ui"_ustr))

    , msPanelId(rPanelDescriptor.msId)

    , msTitle(rPanelDescriptor.msTitle)

    , mbIsTitleBarOptional(rPanelDescriptor.mbIsTitleBarOptional)

    , mbWantsAWT(rPanelDescriptor.mbWantsAWT)

    , mbIsExpanded(bIsInitiallyExpanded)

    , mbLurking(false)

    , maContextAccess(std::move(aContextAccess))

    , mxFrame(rxFrame)

    , mpParentWindow(pParentWindow)

    , mxDeck(pDeck)

    , mxContainer(mxBuilder->weld_box(u"Panel"_ustr))

    , mxTitleBar(new PanelTitleBar(rPanelDescriptor.msTitle, *mxBuilder, this))

    , mxContents(mxBuilder->weld_box(u"contents"_ustr))

{

    mxContents->set_visible(mbIsExpanded);

}

bool Panel::get_extents(tools::Rectangle &rExtents) const

{

    // Get vertical extent of the panel.

    int x, y, width, height;

    if (mxContainer->get_extents_relative_to(*mpParentWindow, x, y, width, height))

    {

        rExtents = tools::Rectangle(Point(x, y), Size(width, height));

        return true;

    }

    return false;

}

void Panel::SetHeightPixel(int nHeight)

{

    mxContainer->set_size_request(-1, nHeight);

}

void Panel::set_margin_top(int nMargin)

{

    mxContainer->set_margin_top(nMargin);

}

void Panel::set_margin_bottom(int nMargin)

{

    mxContainer->set_margin_bottom(nMargin);

}

void Panel::set_vexpand(bool bExpand)

{

    mxContainer->set_vexpand(bExpand);

}

void Panel::SetLurkMode(bool bLurk)

{

    // cf. DeckLayouter

    mbLurking = bLurk;

}

Panel::~Panel()

{

    mxPanelComponent = nullptr;

    {

        Reference<lang::XComponent> xComponent (mxElement, UNO_QUERY);

        mxElement = nullptr;

        if (xComponent.is())

            xComponent->dispose();

    }

    {

        Reference<lang::XComponent> xComponent = GetElementWindow();

        if (xComponent.is())

            xComponent->dispose();

    }

    mxTitleBar.reset();

    if (mxXWindow)

    {

        mxXWindow->dispose();

        mxXWindow.clear();

    }

    mxContents.reset();

    assert(!mxTitleBar);

}

PanelTitleBar* Panel::GetTitleBar() const

{

    return mxTitleBar.get();

}

weld::Box* Panel::GetContents() const

{

    return mxContents.get();

}

void Panel::Show(bool bShow)

{

    mxContainer->set_visible(bShow);

}

void Panel::SetUIElement (const Reference<ui::XUIElement>& rxElement)

{

    mxElement = rxElement;

    if (!mxElement.is())

        return;

    mxPanelComponent.set(mxElement->getRealInterface(), UNO_QUERY);

    if (mbWantsAWT)

        return;

    sfx2::sidebar::SidebarPanelBase* pPanelBase = dynamic_cast<sfx2::sidebar::SidebarPanelBase*>(mxElement.get());

    assert(pPanelBase && "internal panels are all expected to inherit from SidebarPanelBase");

    pPanelBase->SetParentPanel(this);

}

void Panel::TriggerDeckLayouting()

{

    mxDeck->RequestLayout();

}

weld::Window* Panel::GetFrameWeld()

{

    return mxDeck->GetFrameWeld();

}

void Panel::SetExpanded (const bool bIsExpanded)

{

    SidebarController* pSidebarController = SidebarController::GetSidebarControllerForFrame(mxFrame);

    if (mbIsExpanded == bIsExpanded)

        return;

    mbIsExpanded = bIsExpanded;

    mxTitleBar->UpdateExpandedState();

    TriggerDeckLayouting();

    if (maContextAccess && pSidebarController)

    {

        pSidebarController->GetResourceManager()->StorePanelExpansionState(

            msPanelId,

            bIsExpanded,

            maContextAccess());

    }

    mxContents->set_visible(mbIsExpanded);

}

bool Panel::HasIdPredicate (std::u16string_view rsId) const

{

    return msPanelId == rsId;

}

void Panel::DataChanged()

{

    mxTitleBar->DataChanged();

}

Reference<awt::XWindow> Panel::GetElementWindow()

{

    if (mxElement.is())

    {

        Reference<ui::XToolPanel> xToolPanel(mxElement->getRealInterface(), UNO_QUERY);

        if (xToolPanel.is())

            return xToolPanel->getWindow();

    }

    return nullptr;

}

const Reference<awt::XWindow>& Panel::GetElementParentWindow()

{

    if (!mxXWindow)

    {

        if (mbWantsAWT)

            mxXWindow = mxContents->CreateChildFrame();

        else

            mxXWindow = Reference<awt::XWindow>(new weld::TransportAsXWindow(mxContents.get()));

    }

    return mxXWindow;

}

} // end of namespace sfx2::sidebar

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