/* -*- 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 <config_wasm_strip.h>

#include <ChartWindow.hxx>

#include <ChartController.hxx>

#include <helpids.h>

#include <uiobject.hxx>

#include <vcl/help.hxx>

#include <vcl/settings.hxx>

#include <sfx2/ipclient.hxx>

#include <sfx2/viewsh.hxx>

#include <sfx2/lokhelper.hxx>

#include <comphelper/lok.hxx>

using namespace ::com::sun::star;

namespace

{

::tools::Rectangle lcl_AWTRectToVCLRect( const css::awt::Rectangle & rAWTRect )

{

    ::tools::Rectangle aResult(rAWTRect.X, rAWTRect.Y);

    aResult.setWidth( rAWTRect.Width );

    aResult.setHeight( rAWTRect.Height );

    return aResult;

}

} // anonymous namespace

namespace chart

{

ChartWindow::ChartWindow( ChartController* pController, vcl::Window* pParent, WinBits nStyle )

        : Window(pParent, nStyle)

        , m_pWindowController( pController )

        , m_bInPaint(false)

        , m_pViewShellWindow( nullptr )

{

    set_id(u"chart_window"_ustr);

    SetHelpId( HID_SCH_WIN_DOCUMENT );

    SetMapMode( MapMode(MapUnit::Map100thMM) );

    adjustHighContrastMode();

    // chart does not depend on exact pixel painting => enable antialiased drawing

    GetOutDev()->SetAntialiasing( AntialiasingFlags::Enable | GetOutDev()->GetAntialiasing() );

    EnableRTL( false );

    if( pParent )

        pParent->EnableRTL( false );// #i96215# necessary for a correct position of the context menu in rtl mode

}

Unexecuted instantiation: chart::ChartWindow::ChartWindow(chart::ChartController*, vcl::Window*, long)

Unexecuted instantiation: chart::ChartWindow::ChartWindow(chart::ChartController*, vcl::Window*, long)

ChartWindow::~ChartWindow()

{

    disposeOnce();

}

void ChartWindow::dispose()

{

    m_pWindowController = nullptr;

    m_pViewShellWindow.reset();

    vcl::Window::dispose();

}

void ChartWindow::PrePaint(vcl::RenderContext& )

{

    // forward VCLs PrePaint window event to DrawingLayer

    if (m_pWindowController)

    {

       m_pWindowController->PrePaint();

    }

}

void ChartWindow::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)

{

    if (comphelper::LibreOfficeKit::isActive() && !rRenderContext.IsVirtual())

        return;

    m_bInPaint = true;

    if (m_pWindowController)

    {

        m_pWindowController->execute_Paint(rRenderContext, rRect);

    }

    else

    {

        Window::Paint(rRenderContext, rRect);

    }

    m_bInPaint = false;

}

void ChartWindow::MouseButtonDown(const MouseEvent& rMEvt)

{

    if( m_pWindowController )

        m_pWindowController->execute_MouseButtonDown(rMEvt);

    else

        Window::MouseButtonDown(rMEvt);

}

void ChartWindow::MouseMove( const MouseEvent& rMEvt )

{

    if( m_pWindowController )

        m_pWindowController->execute_MouseMove( rMEvt );

    else

        Window::MouseMove( rMEvt );

}

void ChartWindow::Tracking( const TrackingEvent& rTEvt )

{

    if( !m_pWindowController )

        Window::Tracking( rTEvt );

}

void ChartWindow::MouseButtonUp( const MouseEvent& rMEvt )

{

    if( m_pWindowController )

        m_pWindowController->execute_MouseButtonUp( rMEvt );

    else

        Window::MouseButtonUp( rMEvt );

}

void ChartWindow::Resize()

{

    if( m_pWindowController )

        m_pWindowController->execute_Resize();

    else

        Window::Resize();

}

void ChartWindow::Activate()

{

    if( !m_pWindowController )

        Window::Activate();

}

void ChartWindow::Deactivate()

{

    if( !m_pWindowController )

        Window::Deactivate();

}

void ChartWindow::GetFocus()

{

    if( !m_pWindowController )

        Window::GetFocus();

}

void ChartWindow::LoseFocus()

{

    if( !m_pWindowController )

        Window::LoseFocus();

}

void ChartWindow::Command( const CommandEvent& rCEvt )

{

    if( m_pWindowController )

        m_pWindowController->execute_Command( rCEvt );

    else

        Window::Command( rCEvt );

}

void ChartWindow::KeyInput( const KeyEvent& rKEvt )

{

    if( m_pWindowController )

    {

        if( !m_pWindowController->execute_KeyInput(rKEvt) )

            Window::KeyInput(rKEvt);

    }

    else

        Window::KeyInput( rKEvt );

}

rtl::Reference<comphelper::OAccessible> ChartWindow::CreateAccessible()

{

#if !ENABLE_WASM_STRIP_ACCESSIBILITY

    if( m_pWindowController )

        return m_pWindowController->CreateAccessible();

    else

        return Window::CreateAccessible();

#else

    return {};

#endif

}

void ChartWindow::DataChanged( const DataChangedEvent& rDCEvt )

{

    vcl::Window::DataChanged( rDCEvt );

    if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&

         (rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )

    {

        adjustHighContrastMode();

    }

}

void ChartWindow::RequestHelp( const HelpEvent& rHEvt )

{

    bool bHelpHandled = false;

    if( ( rHEvt.GetMode() & HelpEventMode::QUICK ) &&

        m_pWindowController )

    {

        Point aLogicHitPos = PixelToLogic( GetPointerPosPixel());

        OUString aQuickHelpText;

        awt::Rectangle aHelpRect;

        bool bIsBalloonHelp( Help::IsBalloonHelpEnabled() );

        bHelpHandled = m_pWindowController->requestQuickHelp( aLogicHitPos, bIsBalloonHelp, aQuickHelpText, aHelpRect );

        if( bHelpHandled )

        {

            tools::Rectangle aPixelRect(LogicToPixel(lcl_AWTRectToVCLRect(aHelpRect)));

            tools::Rectangle aScreenRect(OutputToScreenPixel(aPixelRect.TopLeft()),

                                         OutputToScreenPixel(aPixelRect.BottomRight()));

            if( bIsBalloonHelp )

                Help::ShowBalloon(this, rHEvt.GetMousePosPixel(), aScreenRect, aQuickHelpText);

            else

                Help::ShowQuickHelp(this, aScreenRect, aQuickHelpText);

        }

    }

    if( !bHelpHandled )

        vcl::Window::RequestHelp( rHEvt );

}

void ChartWindow::adjustHighContrastMode()

{

    static const DrawModeFlags nContrastMode =

        DrawModeFlags::SettingsLine | DrawModeFlags::SettingsFill |

        DrawModeFlags::SettingsText | DrawModeFlags::SettingsGradient;

    bool bUseContrast = GetSettings().GetStyleSettings().GetHighContrastMode();

    GetOutDev()->SetDrawMode( bUseContrast ? nContrastMode : DrawModeFlags::Default );

}

void ChartWindow::ForceInvalidate()

{

    vcl::Window::Invalidate();

}

void ChartWindow::ImplInvalidate( const vcl::Region* rRegion, InvalidateFlags nFlags )

{

    if( m_bInPaint ) // #i101928# superfluous paint calls while entering and editing charts"

        return;

    vcl::Window::ImplInvalidate( rRegion, nFlags );

}

void ChartWindow::LogicInvalidate(const tools::Rectangle* pRectangle)

{

    SfxViewShell* pCurrentShell = SfxViewShell::Current();

    if ( nullptr == pCurrentShell )

        return;

    tools::Rectangle aResultRectangle;

    if (!pRectangle)

    {

        // we have to invalidate the whole chart area not the whole document

        aResultRectangle = GetBoundingBox();

    }

    else

    {

        tools::Rectangle aRectangle(*pRectangle);

        // When dragging shapes the map mode is disabled.

        if (IsMapModeEnabled())

        {

            if (GetMapMode().GetMapUnit() == MapUnit::Map100thMM)

            {

                aRectangle = o3tl::convert(aRectangle, o3tl::Length::mm100, o3tl::Length::twip);

            }

        }

        else

        {

            aRectangle = PixelToLogic(aRectangle, MapMode(MapUnit::MapTwip));

        }

        vcl::Window* pEditWin = GetParentEditWin();

        if (pEditWin)

        {

            MapMode aCWMapMode = GetMapMode();

            constexpr auto p = o3tl::getConversionMulDiv(o3tl::Length::px, o3tl::Length::twip);

            const auto& scaleX = aCWMapMode.GetScaleX();

            const auto& scaleY = aCWMapMode.GetScaleY();

            const auto nXNum = p.first * scaleX.GetDenominator();

            const auto nXDen = p.second * scaleX.GetNumerator();

            const auto nYNum = p.first * scaleY.GetDenominator();

            const auto nYDen = p.second * scaleY.GetNumerator();

            if (!IsMapModeEnabled())

            {

                aRectangle = aRectangle.scale(scaleX.GetDenominator(), scaleX.GetNumerator(),

                                              scaleY.GetDenominator(), scaleY.GetNumerator());

            }

            Point aOffset = this->GetOffsetPixelFrom(*pEditWin).scale(nXNum, nXDen, nYNum, nYDen);

            aRectangle = tools::Rectangle(aRectangle.TopLeft() + aOffset, aRectangle.GetSize());

        }

        aResultRectangle = aRectangle;

    }

    SfxLokHelper::notifyInvalidation(pCurrentShell, &aResultRectangle);

}

FactoryFunction ChartWindow::GetUITestFactory() const

{

    return ChartWindowUIObject::create;

}

ChartController* ChartWindow::GetController()

{

    return m_pWindowController;

}

vcl::Window* ChartWindow::GetParentEditWin()

{

    if (m_pViewShellWindow)

        return m_pViewShellWindow.get();

    // So, you are thinking, why do not invoke pCurrentShell->GetWindow() ?

    // Because in Impress the parent edit win is not view shell window.

    SfxViewShell* pCurrentShell = SfxViewShell::Current();

    if( pCurrentShell )

    {

        SfxInPlaceClient* pIPClient = pCurrentShell->GetIPClient();

        if (pIPClient)

        {

            vcl::Window* pRootWin = pIPClient->GetEditWin();

            if(pRootWin && pRootWin->IsAncestorOf(*this))

            {

                m_pViewShellWindow = pRootWin;

                return m_pViewShellWindow.get();

            }

        }

    }

    return nullptr;

}

tools::Rectangle ChartWindow::GetBoundingBox()

{

    tools::Rectangle aBBox;

    vcl::Window* pRootWin = GetParentEditWin();

    if (pRootWin)

    {

        // In all cases, the following code fragment

        // returns the chart bounding box in twips.

        MapMode aCWMapMode = GetMapMode();

        constexpr auto p = o3tl::getConversionMulDiv(o3tl::Length::px, o3tl::Length::twip);

        const auto& scaleX = aCWMapMode.GetScaleX();

        const auto& scaleY = aCWMapMode.GetScaleY();

        const auto nXNum = p.first * scaleX.GetDenominator();

        const auto nXDen = p.second * scaleX.GetNumerator();

        const auto nYNum = p.first * scaleY.GetDenominator();

        const auto nYDen = p.second * scaleY.GetNumerator();

        Point aOffset = GetOffsetPixelFrom(*pRootWin);

        aOffset.setX( o3tl::convert(aOffset.X(), nXNum, nXDen) );

        aOffset.setY( o3tl::convert(aOffset.Y(), nYNum, nYDen) );

        Size aSize = GetSizePixel();

        aSize.setWidth( o3tl::convert(aSize.Width(), nXNum, nXDen) );

        aSize.setHeight( o3tl::convert(aSize.Height(), nYNum, nYDen) );

        aBBox = tools::Rectangle(aOffset, aSize);

    }

    return aBBox;

}

} //namespace chart

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