/* -*- 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/.

 */

#include <basegfx/polygon/b2dpolygon.hxx>

#include <comphelper/dispatchcommand.hxx>

#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>

#include <drawinglayer/primitive2d/PolyPolygonStrokePrimitive2D.hxx>

#include <drawinglayer/processor2d/baseprocessor2d.hxx>

#include <drawinglayer/processor2d/processor2dtools.hxx>

#include <memory>

#include <officecfg/Office/UI/Infobar.hxx>

#include <officecfg/Office/Common.hxx>

#include <sfx2/bindings.hxx>

#include <sfx2/chalign.hxx>

#include <sfx2/dispatch.hxx>

#include <sfx2/infobar.hxx>

#include <sfx2/objface.hxx>

#include <sfx2/sfxsids.hrc>

#include <sfx2/viewfrm.hxx>

#include <utility>

#include <vcl/event.hxx>

#include <vcl/image.hxx>

#include <vcl/settings.hxx>

#include <vcl/svapp.hxx>

#include <vcl/virdev.hxx>

#include <vcl/weld/Builder.hxx>

#include <vcl/weld/TextView.hxx>

#include <vcl/weld/Toolbar.hxx>

#include <vcl/weld/weldutils.hxx>

#include <bitmaps.hlst>

using namespace drawinglayer::geometry;

using namespace drawinglayer::processor2d;

using namespace drawinglayer::primitive2d;

using namespace drawinglayer::attribute;

using namespace basegfx;

using namespace css::frame;

namespace

{

void GetInfoBarColors(InfobarType ibType, BColor& rBackgroundColor, BColor& rForegroundColor,

                      BColor& rMessageColor)

{

    const StyleSettings& rSettings = Application::GetSettings().GetStyleSettings();

    const bool bIsDark = rSettings.GetWindowColor().IsDark();

    switch (ibType)

    {

        case InfobarType::INFO: // blue; #004785/0,71,133; #BDE5F8/189,229,248

            rBackgroundColor = bIsDark ? basegfx::BColor(0.000, 0.278, 0.522)

                                       : basegfx::BColor(0.741, 0.898, 0.973);

            rForegroundColor = bIsDark ? basegfx::BColor(0.741, 0.898, 0.973)

                                       : basegfx::BColor(0.000, 0.278, 0.522);

            rMessageColor = rForegroundColor;

            break;

        case InfobarType::SUCCESS: // green; #32550C/50,85,12; #DFF2BF/223,242,191

            rBackgroundColor = bIsDark ? basegfx::BColor(0.196, 0.333, 0.047)

                                       : basegfx::BColor(0.874, 0.949, 0.749);

            rForegroundColor = bIsDark ? basegfx::BColor(0.874, 0.949, 0.749)

                                       : basegfx::BColor(0.196, 0.333, 0.047);

            rMessageColor = rForegroundColor;

            break;

        case InfobarType::WARNING: // orange; #704300/112,67,0; #FEEFB3/254,239,179

            rBackgroundColor = rSettings.GetWarningColor().getBColor();

            rForegroundColor = rSettings.GetWarningTextColor().getBColor();

            rMessageColor = rSettings.GetWarningTextColor().getBColor();

            break;

        case InfobarType::DANGER: // red; #7A0006/122,0,6; #FFBABA/255,186,186

            rBackgroundColor = rSettings.GetErrorColor().getBColor();

            rForegroundColor = rSettings.GetErrorTextColor().getBColor();

            rMessageColor = rSettings.GetErrorTextColor().getBColor();

            break;

    }

    if (rSettings.GetHighContrastMode())

    {

        rBackgroundColor = rSettings.GetLightColor().getBColor();

        rForegroundColor = rSettings.GetDialogTextColor().getBColor();

    }

}

OUString GetInfoBarIconName(InfobarType ibType)

{

    OUString aRet;

    switch (ibType)

    {

        case InfobarType::INFO:

            aRet = "vcl/res/infobox.png";

            break;

        case InfobarType::SUCCESS:

            aRet = "vcl/res/successbox.png";

            break;

        case InfobarType::WARNING:

            aRet = "vcl/res/warningbox.png";

            break;

        case InfobarType::DANGER:

            aRet = "vcl/res/errorbox.png";

            break;

    }

    return aRet;

}

} // anonymous namespace

void SfxInfoBarWindow::SetCloseButtonImage()

{

    Size aSize = Image(StockImage::Yes, CLOSEDOC).GetSizePixel();

    aSize = Size(aSize.Width() * 1.5, aSize.Height() * 1.5);

    ScopedVclPtr<VirtualDevice> xDevice(m_xCloseBtn->create_virtual_device());

    xDevice->SetOutputSizePixel(Size(24, 24));

    xDevice->SetBackground(Color(m_aBackgroundColor));

    xDevice->Erase();

    const int nPos = (24 - aSize.getWidth()) / 2;

    Point aBtnPos(nPos, nPos);

    const ViewInformation2D aNewViewInfos;

    const std::unique_ptr<BaseProcessor2D> pProcessor(

        createProcessor2DFromOutputDevice(*xDevice, aNewViewInfos));

    const ::tools::Rectangle aRect(aBtnPos, xDevice->PixelToLogic(aSize));

    drawinglayer::primitive2d::Primitive2DContainer aSeq(2);

    // Draw background. The right and bottom need to be extended by 1 or

    // there will be a white line on both edges when Skia is enabled.

    B2DPolygon aPolygon;

    aPolygon.append(B2DPoint(aRect.Left(), aRect.Top()));

    aPolygon.append(B2DPoint(aRect.Right() + 1, aRect.Top()));

    aPolygon.append(B2DPoint(aRect.Right() + 1, aRect.Bottom() + 1));

    aPolygon.append(B2DPoint(aRect.Left(), aRect.Bottom() + 1));

    aPolygon.setClosed(true);

    aSeq[0] = new PolyPolygonColorPrimitive2D(B2DPolyPolygon(aPolygon), m_aBackgroundColor);

    LineAttribute aLineAttribute(m_aForegroundColor, 2.0);

    // Cross

    B2DPolyPolygon aCross;

    B2DPolygon aLine1;

    aLine1.append(B2DPoint(aRect.Left(), aRect.Top()));

    aLine1.append(B2DPoint(aRect.Right(), aRect.Bottom()));

    aCross.append(aLine1);

    B2DPolygon aLine2;

    aLine2.append(B2DPoint(aRect.Right(), aRect.Top()));

    aLine2.append(B2DPoint(aRect.Left(), aRect.Bottom()));

    aCross.append(aLine2);

    aSeq[1]

        = new PolyPolygonStrokePrimitive2D(std::move(aCross), aLineAttribute, StrokeAttribute());

    pProcessor->process(aSeq);

    m_xCloseBtn->set_item_image(u"close"_ustr, xDevice);

}

class ExtraButton

{

private:

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

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

    std::unique_ptr<weld::Button> m_xButton;

    /** StatusListener. Updates the button as the slot state changes */

    rtl::Reference<weld::WidgetStatusListener> m_xStatusListener;

    OUString m_aCommand;

    DECL_LINK(CommandHdl, weld::Button&, void);

public:

    ExtraButton(weld::Container* pContainer, const OUString* pCommand)

        : m_xBuilder(Application::CreateBuilder(pContainer, u"sfx/ui/extrabutton.ui"_ustr))

        , m_xContainer(m_xBuilder->weld_container(u"ExtraButton"_ustr))

        , m_xButton(m_xBuilder->weld_button(u"button"_ustr))

    {

        if (pCommand)

        {

            m_aCommand = *pCommand;

            m_xButton->connect_clicked(LINK(this, ExtraButton, CommandHdl));

            m_xStatusListener.set(new weld::WidgetStatusListener(m_xButton.get(), m_aCommand));

            m_xStatusListener->startListening();

        }

    }

    ~ExtraButton()

    {

        if (m_xStatusListener.is())

            m_xStatusListener->dispose();

    }

    weld::Button& get_widget() { return *m_xButton; }

};

IMPL_LINK_NOARG(ExtraButton, CommandHdl, weld::Button&, void)

{

    comphelper::dispatchCommand(m_aCommand, css::uno::Sequence<css::beans::PropertyValue>());

}

SfxInfoBarWindow::SfxInfoBarWindow(vcl::Window* pParent, OUString sId,

                                   const OUString& sPrimaryMessage,

                                   const OUString& sSecondaryMessage, InfobarType ibType,

                                   bool bShowCloseButton)

    : InterimItemWindow(pParent, u"sfx/ui/infobar.ui"_ustr, u"InfoBar"_ustr)

    , m_sId(std::move(sId))

    , m_eType(ibType)

    , m_bLayingOut(false)

    , m_xImage(m_xBuilder->weld_image(u"image"_ustr))

    , m_xPrimaryMessage(m_xBuilder->weld_label(u"primary"_ustr))

    , m_xSecondaryMessage(m_xBuilder->weld_text_view(u"secondary"_ustr))

    , m_xButtonBox(m_xBuilder->weld_container(u"buttonbox"_ustr))

    , m_xCloseBtn(m_xBuilder->weld_toolbar(u"closebar"_ustr))

{

    SetStyle(GetStyle() | WB_DIALOGCONTROL);

    InitControlBase(m_xCloseBtn.get());

    m_xImage->set_from_icon_name(GetInfoBarIconName(ibType));

    m_xSecondaryMessage->set_margin_top(m_xImage->get_preferred_size().Height() / 4);

    if (!sPrimaryMessage.isEmpty())

    {

        m_xPrimaryMessage->set_label(sPrimaryMessage);

        m_xPrimaryMessage->show();

    }

    m_xSecondaryMessage->set_text(sSecondaryMessage);

    m_aOrigMessageSize = m_xSecondaryMessage->get_preferred_size();

    m_aMessageSize = m_aOrigMessageSize;

    m_xSecondaryMessage->connect_size_allocate(LINK(this, SfxInfoBarWindow, SizeAllocHdl));

    if (bShowCloseButton)

    {

        m_xCloseBtn->connect_clicked(LINK(this, SfxInfoBarWindow, CloseHandler));

        m_xCloseBtn->show();

    }

    EnableChildTransparentMode();

    SetForeAndBackgroundColors(m_eType);

    auto nWidth = pParent->GetSizePixel().getWidth();

    auto nHeight = get_preferred_size().Height();

    SetSizePixel(Size(nWidth, nHeight + 2));

    Resize();

}

Unexecuted instantiation: SfxInfoBarWindow::SfxInfoBarWindow(vcl::Window*, rtl::OUString, rtl::OUString const&, rtl::OUString const&, InfobarType, bool)

Unexecuted instantiation: SfxInfoBarWindow::SfxInfoBarWindow(vcl::Window*, rtl::OUString, rtl::OUString const&, rtl::OUString const&, InfobarType, bool)

IMPL_LINK(SfxInfoBarWindow, SizeAllocHdl, const Size&, rSize, void)

{

    if (m_aMessageSize != rSize)

    {

        m_aMessageSize = rSize;

        static_cast<SfxInfoBarContainerWindow*>(GetParent())->TriggerUpdateLayout();

    }

}

Size SfxInfoBarWindow::DoLayout()

{

    Size aGivenSize(GetSizePixel());

    // disconnect SizeAllocHdl because we don't care about the size change

    // during layout

    m_xSecondaryMessage->connect_size_allocate(Link<const Size&, void>());

    // blow away size cache in case m_aMessageSize.Width() is already the width request

    // and we would get the cached preferred size instead of the recalc we want to force

    m_xSecondaryMessage->set_size_request(-1, -1);

    // make the width we were detected as set to by SizeAllocHdl as our desired width

    m_xSecondaryMessage->set_size_request(m_aMessageSize.Width(), -1);

    // get our preferred size with that message width

    Size aSizeForWidth(aGivenSize.Width(), m_xContainer->get_preferred_size().Height());

    // restore the message preferred size so we can freely resize, and get a new

    // m_aMessageSize and repeat the process if we do

    m_xSecondaryMessage->set_size_request(m_aOrigMessageSize.Width(), -1);

    // connect SizeAllocHdl so changes outside of this layout will trigger a new layout

    m_xSecondaryMessage->connect_size_allocate(LINK(this, SfxInfoBarWindow, SizeAllocHdl));

    return aSizeForWidth;

}

void SfxInfoBarWindow::Layout()

{

    if (m_bLayingOut)

        return;

    m_bLayingOut = true;

    InterimItemWindow::Layout();

    m_bLayingOut = false;

}

bool SfxInfoBarWindow::EventNotify(NotifyEvent& rEvent)

{

    const NotifyEventType nType = rEvent.GetType();

    if (NotifyEventType::KEYINPUT == nType)

    {

        const vcl::KeyCode& rKeyCode = rEvent.GetKeyEvent()->GetKeyCode();

        switch (rKeyCode.GetCode())

        {

            case KEY_TAB:

            case KEY_SPACE:

            case KEY_RETURN:

                // Allow Tab, Space, and Enter to pass through to parent for proper focus handling

                break;

            default:

                // Consume all other keys to prevent document window interaction

                return true;

        }

    }

    return InterimItemWindow::EventNotify(rEvent);

}

weld::Button& SfxInfoBarWindow::addButton(const OUString* pCommand)

{

    m_aActionBtns.emplace_back(std::make_unique<ExtraButton>(m_xButtonBox.get(), pCommand));

    return m_aActionBtns.back()->get_widget();

}

SfxInfoBarWindow::~SfxInfoBarWindow() { disposeOnce(); }

void SfxInfoBarWindow::SetForeAndBackgroundColors(InfobarType eType)

{

    basegfx::BColor aMessageColor;

    GetInfoBarColors(eType, m_aBackgroundColor, m_aForegroundColor, aMessageColor);

    m_xPrimaryMessage->set_font_color(Color(aMessageColor));

    m_xSecondaryMessage->set_font_color(Color(aMessageColor));

    Color aBackgroundColor(m_aBackgroundColor);

    m_xPrimaryMessage->set_background(aBackgroundColor);

    m_xSecondaryMessage->set_background(aBackgroundColor);

    m_xContainer->set_background(aBackgroundColor);

    if (m_xCloseBtn->get_visible())

    {

        m_xCloseBtn->set_background(aBackgroundColor);

        SetCloseButtonImage();

    }

}

void SfxInfoBarWindow::dispose()

{

    for (auto& rxBtn : m_aActionBtns)

        rxBtn.reset();

    m_xImage.reset();

    m_xPrimaryMessage.reset();

    m_xSecondaryMessage.reset();

    m_xButtonBox.reset();

    m_xCloseBtn.reset();

    m_aActionBtns.clear();

    InterimItemWindow::dispose();

}

void SfxInfoBarWindow::Update(const OUString& sPrimaryMessage, const OUString& sSecondaryMessage,

                              InfobarType eType)

{

    if (m_eType != eType)

    {

        m_eType = eType;

        SetForeAndBackgroundColors(m_eType);

        m_xImage->set_from_icon_name(GetInfoBarIconName(eType));

    }

    m_xPrimaryMessage->set_label(sPrimaryMessage);

    m_xSecondaryMessage->set_text(sSecondaryMessage);

    Resize();

    Invalidate();

}

IMPL_LINK_NOARG(SfxInfoBarWindow, CloseHandler, const OUString&, void)

{

    static_cast<SfxInfoBarContainerWindow*>(GetParent())->removeInfoBar(this);

}

SfxInfoBarContainerWindow::SfxInfoBarContainerWindow(SfxInfoBarContainerChild* pChildWin)

    : Window(pChildWin->GetParent(), WB_DIALOGCONTROL)

    , m_pChildWin(pChildWin)

    , m_aLayoutIdle("SfxInfoBarContainerWindow m_aLayoutIdle")

    , m_bResizing(false)

{

    m_aLayoutIdle.SetPriority(TaskPriority::HIGHEST);

    m_aLayoutIdle.SetInvokeHandler(LINK(this, SfxInfoBarContainerWindow, DoUpdateLayout));

}

Unexecuted instantiation: SfxInfoBarContainerWindow::SfxInfoBarContainerWindow(SfxInfoBarContainerChild*)

Unexecuted instantiation: SfxInfoBarContainerWindow::SfxInfoBarContainerWindow(SfxInfoBarContainerChild*)

IMPL_LINK_NOARG(SfxInfoBarContainerWindow, DoUpdateLayout, Timer*, void) { m_pChildWin->Update(); }

SfxInfoBarContainerWindow::~SfxInfoBarContainerWindow() { disposeOnce(); }

void SfxInfoBarContainerWindow::dispose()

{

    for (auto& infoBar : m_pInfoBars)

        infoBar.disposeAndClear();

    m_pInfoBars.clear();

    Window::dispose();

}

VclPtr<SfxInfoBarWindow> SfxInfoBarContainerWindow::appendInfoBar(const OUString& sId,

                                                                  const OUString& sPrimaryMessage,

                                                                  const OUString& sSecondaryMessage,

                                                                  InfobarType ibType,

                                                                  bool bShowCloseButton)

{

    if (!isInfobarEnabled(sId))

        return nullptr;

    auto pInfoBar = VclPtr<SfxInfoBarWindow>::Create(this, sId, sPrimaryMessage, sSecondaryMessage,

                                                     ibType, bShowCloseButton);

    basegfx::BColor aBackgroundColor;

    basegfx::BColor aForegroundColor;

    basegfx::BColor aMessageColor;

    GetInfoBarColors(ibType, aBackgroundColor, aForegroundColor, aMessageColor);

    pInfoBar->m_aBackgroundColor = aBackgroundColor;

    pInfoBar->m_aForegroundColor = aForegroundColor;

    m_pInfoBars.push_back(pInfoBar);

    Resize();

    return pInfoBar;

}

VclPtr<SfxInfoBarWindow> SfxInfoBarContainerWindow::getInfoBar(std::u16string_view sId)

{

    for (auto const& infoBar : m_pInfoBars)

    {

        if (infoBar->getId() == sId)

            return infoBar;

    }

    return nullptr;

}

bool SfxInfoBarContainerWindow::hasInfoBarWithID(std::u16string_view sId)

{

    return (getInfoBar(sId) != nullptr);

}

void SfxInfoBarContainerWindow::removeInfoBar(VclPtr<SfxInfoBarWindow> const& pInfoBar)

{

    // Remove

    auto it = std::find(m_pInfoBars.begin(), m_pInfoBars.end(), pInfoBar);

    if (it != m_pInfoBars.end())

    {

        it->disposeAndClear();

        m_pInfoBars.erase(it);

    }

    m_pChildWin->Update();

}

bool SfxInfoBarContainerWindow::isInfobarEnabled(std::u16string_view sId)

{

    if (sId == u"readonly")

        return officecfg::Office::UI::Infobar::Enabled::Readonly::get();

    if (sId == u"signature")

        return officecfg::Office::UI::Infobar::Enabled::Signature::get();

    if (sId == u"donate")

        return officecfg::Office::UI::Infobar::Enabled::Donate::get();

    if (sId == u"getinvolved")

        return officecfg::Office::UI::Infobar::Enabled::GetInvolved::get();

    if (sId == u"hyphenationmissing")

        return officecfg::Office::UI::Infobar::Enabled::HyphenationMissing::get();

    if (sId == u"whatsnew")

        return officecfg::Office::UI::Infobar::Enabled::WhatsNew::get();

    if (sId == u"hiddentrackchanges")

        return officecfg::Office::UI::Infobar::Enabled::HiddenTrackChanges::get();

    if (sId == u"macro")

        return officecfg::Office::UI::Infobar::Enabled::MacrosDisabled::get();

    if (sId == u"securitywarn")

    {

        return officecfg::Office::Common::Security::Scripting::WarnSaveOrSendDoc::get()

               || officecfg::Office::Common::Security::Scripting::WarnSignDoc::get()

               || officecfg::Office::Common::Security::Scripting::WarnPrintDoc::get()

               || officecfg::Office::Common::Security::Scripting::WarnCreatePDF::get();

    }

    if (sId == u"autocorr_leadtrail")

        return officecfg::Office::UI::Infobar::Enabled::AutoCorrLeadTrail::get();

    return true;

}

// This triggers the SfxFrame to re-layout its childwindows

void SfxInfoBarContainerWindow::TriggerUpdateLayout() { m_aLayoutIdle.Start(); }

void SfxInfoBarContainerWindow::Resize()

{

    if (m_bResizing)

        return;

    m_bResizing = true;

    const Size aWindowOrigSize = GetSizePixel();

    auto nOrigWidth = aWindowOrigSize.getWidth();

    auto nOrigHeight = aWindowOrigSize.getHeight();

    tools::Long nHeight = 0;

    for (auto& rxInfoBar : m_pInfoBars)

    {

        Size aOrigSize = rxInfoBar->GetSizePixel();

        Size aSize(nOrigWidth, aOrigSize.Height());

        Point aPos(0, nHeight);

        // stage 1: provisionally size the infobar,

        rxInfoBar->SetPosSizePixel(aPos, aSize);

        // stage 2: perhaps allow height to stretch to fit

        // the stage 1 width

        aSize = rxInfoBar->DoLayout();

        rxInfoBar->SetPosSizePixel(aPos, aSize);

        rxInfoBar->Show();

        // Stretch to fit the infobar(s)

        nHeight += aSize.getHeight();

    }

    if (nOrigHeight != nHeight)

    {

        SetSizePixel(Size(nOrigWidth, nHeight));

        TriggerUpdateLayout();

    }

    m_bResizing = false;

}

SFX_IMPL_POS_CHILDWINDOW_WITHID(SfxInfoBarContainerChild, SID_INFOBAR, SFX_OBJECTBAR_OBJECT);

SfxInfoBarContainerChild::SfxInfoBarContainerChild(vcl::Window* _pParent, sal_uInt16 nId,

                                                   SfxBindings* pBindings, SfxChildWinInfo*)

    : SfxChildWindow(_pParent, nId)

    , m_pBindings(pBindings)

{

    SetWindow(VclPtr<SfxInfoBarContainerWindow>::Create(this));

    GetWindow()->SetPosSizePixel(Point(0, 0), Size(_pParent->GetSizePixel().getWidth(), 0));

    GetWindow()->Show();

    SetAlignment(SfxChildAlignment::LOWESTTOP);

}

SfxInfoBarContainerChild::~SfxInfoBarContainerChild() {}

SfxChildWinInfo SfxInfoBarContainerChild::GetInfo() const

{

    SfxChildWinInfo aInfo = SfxChildWindow::GetInfo();

    return aInfo;

}

void SfxInfoBarContainerChild::Update()

{

    // Layout to current width, this may change the height

    if (vcl::Window* pChild = GetWindow())

    {

        Size aSize(pChild->GetSizePixel());

        pChild->Resize();

        if (aSize == pChild->GetSizePixel())

            return;

    }

    // Refresh the frame to take the infobars container height change into account

    const sal_uInt16 nId = GetChildWindowId();

    SfxViewFrame* pVFrame = m_pBindings->GetDispatcher()->GetFrame();

    pVFrame->ShowChildWindow(nId);

    // Give the focus to the document view

    pVFrame->GetWindow().GrabFocusToDocument();

}

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