/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qwebenginenotificationpresenter_p.h"
#include "qwebengineview.h"
#include "qwebengineview_p.h"
#include "render_widget_host_view_qt_delegate_client.h"
#include "render_widget_host_view_qt_delegate_item.h"
#include "qwebengine_accessible.h"
#include "ui/autofillpopupwidget_p.h"

#include <QtWebEngineCore/private/qwebenginepage_p.h>
#include <QtWebEngineCore/qwebenginecontextmenurequest.h>
#include <QtWebEngineCore/qwebenginehistory.h>
#include <QtWebEngineCore/qwebenginehttprequest.h>
#include <QtWebEngineCore/qwebengineprofile.h>

#include "autofill_popup_controller.h"
#include "color_chooser_controller.h"
#include "web_contents_adapter.h"

#include <QContextMenuEvent>
#include <QToolTip>
#include <QVBoxLayout>
#include <QKeyEvent>
#include <QIcon>
#include <QStyle>
#include <QGuiApplication>
#include <QQuickWidget>

#if QT_CONFIG(action)
#include <QAction>
#endif

#if QT_CONFIG(colordialog)
#include <QColorDialog>
#endif

#if QT_CONFIG(filedialog)
#include <QFileDialog>
#include <QStandardPaths>
#include "file_picker_controller.h"
#endif

#if QT_CONFIG(inputdialog)
#include <QInputDialog>
#endif

#if QT_CONFIG(menu)
#include <QMenu>
#endif

#if QT_CONFIG(messagebox)
#include <QMessageBox>
#endif

#if QT_CONFIG(webengine_printing_and_pdf)
#include "printing/printer_worker.h"

#include <QPrinter>
#include <QThread>
#endif

namespace QtWebEngineCore {
class WebEngineQuickWidget : public QQuickWidget, public WidgetDelegate
{
public:
    WebEngineQuickWidget(RenderWidgetHostViewQtDelegateItem *widget, QWidget *parent)
        : QQuickWidget(parent)
        , m_contentItem(widget)
    {
        setFocusPolicy(Qt::StrongFocus);
        setMouseTracking(true);
        setAttribute(Qt::WA_AcceptTouchEvents);
        setAttribute(Qt::WA_OpaquePaintEvent);
        setAttribute(Qt::WA_AlwaysShowToolTips);

        QQuickItem *root = new QQuickItem(); // Indirection so we don't delete m_contentItem
        setContent(QUrl(), nullptr, root);
        root->setFlags(QQuickItem::ItemHasContents);
        root->setFocus(true);
        root->setVisible(true);
        m_contentItem->setParentItem(root);

        connectRemoveParentBeforeParentDelete();
    }
    ~WebEngineQuickWidget() override
    {
        if (m_contentItem) {
            m_contentItem->setWidgetDelegate(nullptr);
            m_contentItem->setParentItem(nullptr);
        }
    }

    void InitAsPopup(const QRect &screenRect) override
    {
        setAttribute(Qt::WA_ShowWithoutActivating);
        setFocusPolicy(Qt::NoFocus);
        setWindowFlags(Qt::Popup | Qt::FramelessWindowHint | Qt::WindowDoesNotAcceptFocus);

        setGeometry(screenRect);
        raise();
        m_contentItem->show();
        show();
    }

    void Bind(WebContentsAdapterClient *client) override
    {
        BindPage(static_cast<QWebEnginePagePrivate *>(client)->q_func());
    }

    void BindPage(QWebEnginePage *page)
    {
        if (m_pageDestroyedConnection)
            QObject::disconnect(m_pageDestroyedConnection);
        QWebEngineViewPrivate::bindPageAndWidget(page, this);
        m_pageDestroyedConnection = QObject::connect(page, &QObject::destroyed, this, &WebEngineQuickWidget::UnbindPage);
    }

    void UnbindPage()
    {
        Unbind();
        // In case we are not bound to a WebContentsAdapterClient that would destroy us:
        if (!parent())
            Destroy();
    }

    void Unbind() override
    {
        if (m_pageDestroyedConnection) {
            QObject::disconnect(m_pageDestroyedConnection);
            m_pageDestroyedConnection = {};
        }
        QWebEngineViewPrivate::bindPageAndWidget(nullptr, this);
    }

    void Destroy() override
    {
        deleteLater();
    }

    bool ActiveFocusOnPress() override
    {
        return true;
    }

    void SetInputMethodEnabled(bool enabled) override
    {
        QQuickWidget::setAttribute(Qt::WA_InputMethodEnabled, enabled);
    }
    void SetInputMethodHints(Qt::InputMethodHints hints) override
    {
        QQuickWidget::setInputMethodHints(hints);
    }
    void SetClearColor(const QColor &color) override
    {
        QQuickWidget::setClearColor(color);
        // QQuickWidget is usually blended by punching holes into widgets
        // above it to simulate the visual stacking order. If we want it to be
        // transparent we have to throw away the proper stacking order and always
        // blend the complete normal widgets backing store under it.
        bool isTranslucent = color.alpha() < 255;
        setAttribute(Qt::WA_AlwaysStackOnTop, isTranslucent);
        setAttribute(Qt::WA_OpaquePaintEvent, !isTranslucent);
        update();
    }
    void MoveWindow(const QPoint &screenPos) override
    {
        QQuickWidget::move(screenPos);
    }
    void Resize(int width, int height) override
    {
        QQuickWidget::resize(width, height);
    }
    QWindow *Window() override
    {
        if (const QWidget *root = QQuickWidget::window())
            return root->windowHandle();
        return nullptr;
    }

protected:
    void closeEvent(QCloseEvent *event) override
    {
        QQuickWidget::closeEvent(event);

        // If a close event was received from the window manager (e.g. when moving the parent window,
        // clicking outside the popup area)
        // make sure to notify the Chromium WebUI popup and its underlying
        // RenderWidgetHostViewQtDelegate instance to be closed.
        if (m_contentItem && m_contentItem->m_isPopup)
            m_contentItem->m_client->closePopup();
    }
    void showEvent(QShowEvent *event) override
    {
        QQuickWidget::showEvent(event);
        // We don't have a way to catch a top-level window change with QWidget
        // but a widget will most likely be shown again if it changes, so do
        // the reconnection at this point.
        for (const QMetaObject::Connection &c : qAsConst(m_windowConnections))
            disconnect(c);
        m_windowConnections.clear();
        if (QWindow *w = Window()) {
            m_windowConnections.append(connect(w, SIGNAL(xChanged(int)), m_contentItem, SLOT(onWindowPosChanged())));
            m_windowConnections.append(connect(w, SIGNAL(yChanged(int)), m_contentItem, SLOT(onWindowPosChanged())));
        }
    }
    void resizeEvent(QResizeEvent *event) override
    {
        QQuickWidget::resizeEvent(event);
        if (m_contentItem) { // FIXME: Not sure why we need to set m_contentItem size manually
            m_contentItem->setSize(event->size());
            m_contentItem->onWindowPosChanged();
        }
    }
    QVariant inputMethodQuery(Qt::InputMethodQuery query) const override
    {
        if (m_contentItem)
            return m_contentItem->inputMethodQuery(query);
        return QVariant();
    }
    bool event(QEvent *event) override;

    void connectRemoveParentBeforeParentDelete();
    void removeParentBeforeParentDelete();

private:
    friend QWebEngineViewPrivate;
    QPointer<RenderWidgetHostViewQtDelegateItem> m_contentItem; // deleted by core
    QMetaObject::Connection m_parentDestroyedConnection;
    QMetaObject::Connection m_pageDestroyedConnection;
    QList<QMetaObject::Connection> m_windowConnections;
};

void WebEngineQuickWidget::connectRemoveParentBeforeParentDelete()
{
    disconnect(m_parentDestroyedConnection);

    if (QWidget *parent = parentWidget()) {
        m_parentDestroyedConnection = connect(parent, &QObject::destroyed,
                                              this,
                                              &WebEngineQuickWidget::removeParentBeforeParentDelete);
    } else {
        m_parentDestroyedConnection = QMetaObject::Connection();
    }
}

void WebEngineQuickWidget::removeParentBeforeParentDelete()
{
    // Unset the parent, because parent is being destroyed, but the owner of this
    // WebEngineQuickWidget is actually a RenderWidgetHostViewQt instance.
    setParent(nullptr);

    // If this widget represents a popup window, make sure to close it, so that if the popup was the
    // last visible top level window, the application event loop can quit if it deems it necessarry.
    if (m_contentItem && m_contentItem->m_isPopup)
        close();
}

bool WebEngineQuickWidget::event(QEvent *event)
{
    bool handled = false;

    // Track parent to make sure we don't get deleted.
    if (event->type() == QEvent::ParentChange)
        connectRemoveParentBeforeParentDelete();

    if (!m_contentItem)
        return QQuickWidget::event(event);

    // Mimic QWidget::event() by ignoring mouse, keyboard, touch and tablet events if the widget is
    // disabled.
    if (!isEnabled()) {
        switch (event->type()) {
        case QEvent::TabletPress:
        case QEvent::TabletRelease:
        case QEvent::TabletMove:
        case QEvent::MouseButtonPress:
        case QEvent::MouseButtonRelease:
        case QEvent::MouseButtonDblClick:
        case QEvent::MouseMove:
        case QEvent::TouchBegin:
        case QEvent::TouchUpdate:
        case QEvent::TouchEnd:
        case QEvent::TouchCancel:
        case QEvent::ContextMenu:
        case QEvent::KeyPress:
        case QEvent::KeyRelease:
#if QT_CONFIG(wheelevent)
        case QEvent::Wheel:
#endif
            return false;
        default:
            break;
        }
    }

    switch (event->type()) {
    case QEvent::FocusIn:
    case QEvent::FocusOut:
        // We forward focus events later, once they have made it to the content item.
        return QQuickWidget::event(event);
    case QEvent::DragEnter:
    case QEvent::DragLeave:
    case QEvent::DragMove:
    case QEvent::Drop:
    case QEvent::HoverEnter:
    case QEvent::HoverLeave:
    case QEvent::HoverMove:
        // Let the parent handle these events.
        return false;
    default:
        break;
    }

    switch (event->type()) {
        case QEvent::MouseButtonPress:
        case QEvent::MouseButtonRelease:
        case QEvent::MouseButtonDblClick:
        case QEvent::MouseMove:
            // Don't forward mouse events synthesized by the system, which are caused by genuine touch
            // events. Chromium would then process for e.g. a mouse click handler twice, once due to the
            // system synthesized mouse event, and another time due to a touch-to-gesture-to-mouse
            // transformation done by Chromium.
            // Only allow them for popup type, since QWidgetWindow will ignore them for Qt::Popup flag,
            // which is expected to get input through synthesized mouse events (either by system or Qt)
            if (!m_contentItem->m_isPopup &&
                    static_cast<QMouseEvent *>(event)->source() == Qt::MouseEventSynthesizedBySystem) {
                Q_ASSERT(!windowFlags().testFlag(Qt::Popup));
                return true;
            }
            break;
        default:
            break;
    }

    if (event->type() == QEvent::MouseButtonDblClick) {
        // QWidget keeps the Qt4 behavior where the DblClick event would replace the Press event.
        // QtQuick is different by sending both the Press and DblClick events for the second press
        // where we can simply ignore the DblClick event.
        QMouseEvent *dblClick = static_cast<QMouseEvent *>(event);
        QMouseEvent press(QEvent::MouseButtonPress, dblClick->position(), dblClick->scenePosition(),
                          dblClick->globalPosition(), dblClick->button(), dblClick->buttons(),
                          dblClick->modifiers(), dblClick->source());
        press.setTimestamp(dblClick->timestamp());
        handled = m_contentItem->m_client->forwardEvent(&press);
    } else
        handled = m_contentItem->m_client->forwardEvent(event);

    if (!handled)
        return QQuickWidget::event(event);
    event->accept();
    return true;
}

} // namespace QtWebEngineCore

QT_BEGIN_NAMESPACE

void QWebEngineViewPrivate::pageChanged(QWebEnginePage *oldPage, QWebEnginePage *newPage)
{
    Q_Q(QWebEngineView);

    if (oldPage) {
        oldPage->setVisible(false);
        QObject::disconnect(oldPage, &QWebEnginePage::titleChanged, q, &QWebEngineView::titleChanged);
        QObject::disconnect(oldPage, &QWebEnginePage::urlChanged, q, &QWebEngineView::urlChanged);
        QObject::disconnect(oldPage, &QWebEnginePage::iconUrlChanged, q, &QWebEngineView::iconUrlChanged);
        QObject::disconnect(oldPage, &QWebEnginePage::iconChanged, q, &QWebEngineView::iconChanged);
        QObject::disconnect(oldPage, &QWebEnginePage::loadStarted, q, &QWebEngineView::loadStarted);
        QObject::disconnect(oldPage, &QWebEnginePage::loadProgress, q, &QWebEngineView::loadProgress);
        QObject::disconnect(oldPage, &QWebEnginePage::loadFinished, q, &QWebEngineView::loadFinished);
        QObject::disconnect(oldPage, &QWebEnginePage::selectionChanged, q, &QWebEngineView::selectionChanged);
        QObject::disconnect(oldPage, &QWebEnginePage::renderProcessTerminated, q, &QWebEngineView::renderProcessTerminated);
    }

    if (newPage) {
        QObject::connect(newPage, &QWebEnginePage::titleChanged, q, &QWebEngineView::titleChanged);
        QObject::connect(newPage, &QWebEnginePage::urlChanged, q, &QWebEngineView::urlChanged);
        QObject::connect(newPage, &QWebEnginePage::iconUrlChanged, q, &QWebEngineView::iconUrlChanged);
        QObject::connect(newPage, &QWebEnginePage::iconChanged, q, &QWebEngineView::iconChanged);
        QObject::connect(newPage, &QWebEnginePage::loadStarted, q, &QWebEngineView::loadStarted);
        QObject::connect(newPage, &QWebEnginePage::loadProgress, q, &QWebEngineView::loadProgress);
        QObject::connect(newPage, &QWebEnginePage::loadFinished, q, &QWebEngineView::loadFinished);
        QObject::connect(newPage, &QWebEnginePage::selectionChanged, q, &QWebEngineView::selectionChanged);
        QObject::connect(newPage, &QWebEnginePage::renderProcessTerminated, q, &QWebEngineView::renderProcessTerminated);
        newPage->setVisible(q->isVisible());
    }

    auto oldUrl = oldPage ? oldPage->url() : QUrl();
    auto newUrl = newPage ? newPage->url() : QUrl();
    if (oldUrl != newUrl)
        Q_EMIT q->urlChanged(newUrl);

    auto oldTitle = oldPage ? oldPage->title() : QString();
    auto newTitle = newPage ? newPage->title() : QString();
    if (oldTitle != newTitle)
        Q_EMIT q->titleChanged(newTitle);

    auto oldIcon = oldPage ? oldPage->iconUrl() : QUrl();
    auto newIcon = newPage ? newPage->iconUrl() : QUrl();
    if (oldIcon != newIcon) {
        Q_EMIT q->iconUrlChanged(newIcon);
        Q_EMIT q->iconChanged(newPage ? newPage->icon() : QIcon());
    }

    if ((oldPage && oldPage->hasSelection()) || (newPage && newPage->hasSelection()))
        Q_EMIT q->selectionChanged();
}

void QWebEngineViewPrivate::widgetChanged(QtWebEngineCore::WebEngineQuickWidget *oldWidget,
                                          QtWebEngineCore::WebEngineQuickWidget *newWidget)
{
    Q_Q(QWebEngineView);

    if (oldWidget) {
        q->layout()->removeWidget(oldWidget);
        oldWidget->hide();
#if QT_CONFIG(accessibility)
        if (!QtWebEngineCore::closingDown())
            QAccessible::deleteAccessibleInterface(
                    QAccessible::uniqueId(QAccessible::queryAccessibleInterface(oldWidget)));
#endif
    }

    if (newWidget) {
        Q_ASSERT(!QtWebEngineCore::closingDown());
#if QT_CONFIG(accessibility)
        QAccessible::deleteAccessibleInterface(QAccessible::uniqueId(QAccessible::queryAccessibleInterface(newWidget)));
        QAccessible::registerAccessibleInterface(new QtWebEngineCore::RenderWidgetHostViewQtDelegateWidgetAccessible(newWidget, q));
#endif
        q->layout()->addWidget(newWidget);
        q->setFocusProxy(newWidget);
        newWidget->show();
    }
}

void QWebEngineViewPrivate::contextMenuRequested(QWebEngineContextMenuRequest *request)
{
#if QT_CONFIG(action)
    m_contextRequest = request;
    switch (q_ptr->contextMenuPolicy()) {
    case Qt::DefaultContextMenu: {
        QContextMenuEvent event(QContextMenuEvent::Mouse, request->position(),
                                q_ptr->mapToGlobal(request->position()));
        q_ptr->contextMenuEvent(&event);
        return;
    }
    case Qt::CustomContextMenu:
        Q_EMIT q_ptr->customContextMenuRequested(request->position());
        return;
    case Qt::ActionsContextMenu:
        if (q_ptr->actions().count()) {
            QContextMenuEvent event(QContextMenuEvent::Mouse, request->position(),
                                    q_ptr->mapToGlobal(request->position()));
            QMenu::exec(q_ptr->actions(), event.globalPos(), 0, q_ptr);
        }
        return;
    case Qt::PreventContextMenu:
    case Qt::NoContextMenu:
        return;
    }

    Q_UNREACHABLE();
#else
    Q_UNUSED(request);
#endif // QT_CONFIG(action)
}

QStringList QWebEngineViewPrivate::chooseFiles(QWebEnginePage::FileSelectionMode mode,
                                               const QStringList &oldFiles,
                                               const QStringList &acceptedMimeTypes)
{
#if QT_CONFIG(filedialog)
    Q_Q(QWebEngineView);
    const QStringList &filter =
            QtWebEngineCore::FilePickerController::nameFilters(acceptedMimeTypes);
    QStringList ret;
    QString str;
    switch (static_cast<QtWebEngineCore::FilePickerController::FileChooserMode>(mode)) {
    case QtWebEngineCore::FilePickerController::OpenMultiple:
        ret = QFileDialog::getOpenFileNames(q, QString(), QString(),
                                            filter.join(QStringLiteral(";;")), nullptr,
                                            QFileDialog::HideNameFilterDetails);
        break;
    case QtWebEngineCore::FilePickerController::UploadFolder:
        str = QFileDialog::getExistingDirectory(q, QWebEngineView::tr("Select folder to upload"));
        if (!str.isNull())
            ret << str;
        break;
    case QtWebEngineCore::FilePickerController::Save:
        str = QFileDialog::getSaveFileName(
                q, QString(),
                (QStandardPaths::writableLocation(QStandardPaths::DownloadLocation)
                 + oldFiles.first()));
        if (!str.isNull())
            ret << str;
        break;
    case QtWebEngineCore::FilePickerController::Open:
        str = QFileDialog::getOpenFileName(q, QString(), oldFiles.first(),
                                           filter.join(QStringLiteral(";;")), nullptr,
                                           QFileDialog::HideNameFilterDetails);
        if (!str.isNull())
            ret << str;
        break;
    }
    return ret;
#else
    Q_UNUSED(mode);
    Q_UNUSED(oldFiles);
    Q_UNUSED(acceptedMimeTypes);

    return QStringList();
#endif // QT_CONFIG(filedialog)
}

void QWebEngineViewPrivate::showColorDialog(
        QSharedPointer<QtWebEngineCore::ColorChooserController> controller)
{
#if QT_CONFIG(colordialog)
    Q_Q(QWebEngineView);
    QColorDialog *dialog = new QColorDialog(controller.data()->initialColor(), q);

    QColorDialog::connect(dialog, SIGNAL(colorSelected(QColor)), controller.data(),
                          SLOT(accept(QColor)));
    QColorDialog::connect(dialog, SIGNAL(rejected()), controller.data(), SLOT(reject()));

    // Delete when done
    QColorDialog::connect(dialog, SIGNAL(colorSelected(QColor)), dialog, SLOT(deleteLater()));
    QColorDialog::connect(dialog, SIGNAL(rejected()), dialog, SLOT(deleteLater()));

    dialog->open();
#else
    Q_UNUSED(controller);
#endif
}

bool QWebEngineViewPrivate::showAuthorizationDialog(const QString &title, const QString &message)
{
#if QT_CONFIG(messagebox)
    Q_Q(QWebEngineView);
    return QMessageBox::question(q, title, message, QMessageBox::Yes, QMessageBox::No)
            == QMessageBox::Yes;
#else
    return false;
#endif // QT_CONFIG(messagebox)
}

void QWebEngineViewPrivate::javaScriptAlert(const QUrl &url, const QString &msg)
{
#if QT_CONFIG(messagebox)
    Q_Q(QWebEngineView);
    QMessageBox::information(q, QStringLiteral("Javascript Alert - %1").arg(url.toString()),
                             msg.toHtmlEscaped());
#else
    Q_UNUSED(msg);
#endif // QT_CONFIG(messagebox)
}

bool QWebEngineViewPrivate::javaScriptConfirm(const QUrl &url, const QString &msg)
{
#if QT_CONFIG(messagebox)
    Q_Q(QWebEngineView);
    return (QMessageBox::information(q,
                                     QStringLiteral("Javascript Confirm - %1").arg(url.toString()),
                                     msg.toHtmlEscaped(), QMessageBox::Ok, QMessageBox::Cancel)
            == QMessageBox::Ok);
#else
    Q_UNUSED(msg);
    return false;
#endif // QT_CONFIG(messagebox)
}

bool QWebEngineViewPrivate::javaScriptPrompt(const QUrl &url, const QString &msg,
                                             const QString &defaultValue, QString *result)
{
#if QT_CONFIG(inputdialog)
    Q_Q(QWebEngineView);
    bool ret = false;
    if (result)
        *result = QInputDialog::getText(
                q, QStringLiteral("Javascript Prompt - %1").arg(url.toString()),
                msg.toHtmlEscaped(), QLineEdit::Normal, defaultValue.toHtmlEscaped(), &ret);
    return ret;
#else
    Q_UNUSED(msg);
    Q_UNUSED(defaultValue);
    Q_UNUSED(result);
    return false;
#endif // QT_CONFIG(inputdialog)
}

void QWebEngineViewPrivate::focusContainer()
{
    Q_Q(QWebEngineView);
    q->activateWindow();
    q->setFocus();
}

void QWebEngineViewPrivate::unhandledKeyEvent(QKeyEvent *event)
{
    Q_Q(QWebEngineView);
    if (q->parentWidget())
        QGuiApplication::sendEvent(q->parentWidget(), event);
}

bool QWebEngineViewPrivate::passOnFocus(bool reverse)
{
    Q_Q(QWebEngineView);
    return q->focusNextPrevChild(!reverse);
}

#if QT_CONFIG(accessibility)
static QAccessibleInterface *webAccessibleFactory(const QString &, QObject *object)
{
    if (QWebEngineView *v = qobject_cast<QWebEngineView*>(object))
        return new QWebEngineViewAccessible(v);
    return nullptr;
}
#endif // QT_CONFIG(accessibility)

QWebEngineViewPrivate::QWebEngineViewPrivate()
    : page(nullptr)
    , m_dragEntered(false)
    , m_ownsPage(false)
    , m_contextRequest(nullptr)
{
#if QT_CONFIG(accessibility)
    QAccessible::installFactory(&webAccessibleFactory);
#endif // QT_CONFIG(accessibility)
}

QWebEngineViewPrivate::~QWebEngineViewPrivate() = default;

void QWebEngineViewPrivate::bindPageAndView(QWebEnginePage *page, QWebEngineView *view)
{
    QWebEngineViewPrivate *v =
            page ? static_cast<QWebEngineViewPrivate *>(page->d_func()->view) : nullptr;
    auto oldView = v ? v->q_func() : nullptr;
    auto oldPage = view ? view->d_func()->page : nullptr;

    bool ownNewPage = false;
    bool deleteOldPage = false;

    // Change pointers first.

    if (page && oldView != view) {
        if (oldView) {
            ownNewPage = oldView->d_func()->m_ownsPage;
            oldView->d_func()->page = nullptr;
            oldView->d_func()->m_ownsPage = false;
        }
        page->d_func()->view = view ? view->d_func() : nullptr;
    }

    if (view && oldPage != page) {
        if (oldPage) {
            if (oldPage->d_func())
                oldPage->d_func()->view = nullptr;
            deleteOldPage = view->d_func()->m_ownsPage;
        }
        view->d_func()->m_ownsPage = ownNewPage;
        view->d_func()->page = page;
    }

    // Then notify.

    auto widget = page ? static_cast<QtWebEngineCore::WebEngineQuickWidget *>(page->d_func()->widget) : nullptr;
    auto oldWidget = (oldPage && oldPage->d_func()) ? static_cast<QtWebEngineCore::WebEngineQuickWidget *>(oldPage->d_func()->widget) : nullptr;

    // New page/widget moving away from oldView
    if (page && oldView != view && oldView) {
        oldView->d_func()->pageChanged(page, nullptr);
        if (widget)
            oldView->d_func()->widgetChanged(widget, nullptr);
    }

    // New page/widget moving into new view
    if (view && oldPage != page) {
        if (oldPage && oldPage->d_func())
            view->d_func()->pageChanged(oldPage, page);
        else
            view->d_func()->pageChanged(nullptr, page);
        if (!widget && page && page->d_func()->item) {
            widget = new QtWebEngineCore::WebEngineQuickWidget(page->d_func()->item, nullptr);
            widget->BindPage(page);
        }
        if (oldWidget != widget)
            view->d_func()->widgetChanged(oldWidget, widget);
    }
    if (deleteOldPage)
        delete oldPage;
}

void QWebEngineViewPrivate::bindPageAndWidget(
        QWebEnginePage *page, QtWebEngineCore::WebEngineQuickWidget *widget)
{
    auto oldPage = (widget && widget->m_contentItem) ? widget->m_contentItem->m_page : nullptr;
    auto oldWidget = page ? static_cast<QtWebEngineCore::WebEngineQuickWidget *>(page->d_func()->widget) : nullptr;

    // Change pointers first.

    if (widget && oldPage != page) {
        if (oldPage && oldPage->d_func()) {
            oldPage->d_func()->widget = nullptr;
            oldPage->d_func()->item = nullptr;
        }
        if (widget->m_contentItem)
            widget->m_contentItem->m_page = page;
    }

    if (page && oldWidget != widget) {
        if (oldWidget && oldWidget->m_contentItem)
            oldWidget->m_contentItem->m_page = nullptr;
        page->d_func()->widget = widget;
        page->d_func()->item = widget->m_contentItem;
    }

    // Then notify.

    if (widget && oldPage != page && oldPage && oldPage->d_func()) {
        if (auto oldView = oldPage->d_func()->view)
            static_cast<QWebEngineViewPrivate *>(oldView)->widgetChanged(widget, nullptr);
    }

    if (page && oldWidget != widget) {
        if (auto view = page->d_func()->view)
            static_cast<QWebEngineViewPrivate *>(view)->widgetChanged(oldWidget, widget);
    }
}

QIcon QWebEngineViewPrivate::webActionIcon(QWebEnginePage::WebAction action)
{
    Q_Q(QWebEngineView);
    QIcon icon;
    QStyle *style = q->style();

    switch (action) {
    case QWebEnginePage::Back:
        icon = style->standardIcon(QStyle::SP_ArrowBack);
        break;
    case QWebEnginePage::Forward:
        icon = style->standardIcon(QStyle::SP_ArrowForward);
        break;
    case QWebEnginePage::Stop:
        icon = style->standardIcon(QStyle::SP_BrowserStop);
        break;
    case QWebEnginePage::Reload:
        icon = style->standardIcon(QStyle::SP_BrowserReload);
        break;
    case QWebEnginePage::ReloadAndBypassCache:
        icon = style->standardIcon(QStyle::SP_BrowserReload);
        break;
    default:
        break;
    }
    return icon;
}

QWebEnginePage *QWebEngineViewPrivate::createPageForWindow(QWebEnginePage::WebWindowType type)
{
    Q_Q(QWebEngineView);
    QWebEngineView *newView = q->createWindow(type);
    if (newView)
        return newView->page();
    return nullptr;
}

void QWebEngineViewPrivate::setToolTip(const QString &toolTipText)
{
    Q_Q(QWebEngineView);
    if (toolTipText.isEmpty()) {
        // Avoid duplicate events.
        if (!q->toolTip().isEmpty())
            q->setToolTip(QString());
        // Force to hide tooltip because QWidget's default handler
        // doesn't hide on empty text.
        if (!QToolTip::text().isEmpty())
            QToolTip::hideText();
    } else if (toolTipText != q->toolTip()) {
        q->setToolTip(toolTipText);
    }

}

bool QWebEngineViewPrivate::isEnabled() const
{
    Q_Q(const QWebEngineView);
    return q->isEnabled();
}

QObject *QWebEngineViewPrivate::accessibilityParentObject()
{
    Q_Q(QWebEngineView);
    return q;
}

void QWebEngineViewPrivate::didPrintPage(QPrinter *&currentPrinter, QSharedPointer<QByteArray> result)
{
#if QT_CONFIG(webengine_printing_and_pdf)
    Q_Q(QWebEngineView);

    Q_ASSERT(currentPrinter);

    QThread *printerThread = new QThread;
    QObject::connect(printerThread, &QThread::finished, printerThread, &QThread::deleteLater);
    printerThread->start();

    QtWebEngineCore::PrinterWorker *printerWorker = new QtWebEngineCore::PrinterWorker(result, currentPrinter);
    printerWorker->m_deviceResolution = currentPrinter->resolution();
    printerWorker->m_firstPageFirst = currentPrinter->pageOrder() == QPrinter::FirstPageFirst;
    printerWorker->m_documentCopies = currentPrinter->copyCount();
    printerWorker->m_collateCopies = currentPrinter->collateCopies();

    QObject::connect(printerWorker, &QtWebEngineCore::PrinterWorker::resultReady, q, [q, &currentPrinter](bool success) {
        currentPrinter = nullptr;
        Q_EMIT q->printFinished(success);
    });

    QObject::connect(printerWorker, &QtWebEngineCore::PrinterWorker::resultReady, printerThread, &QThread::quit);
    QObject::connect(printerThread, &QThread::finished, printerWorker, &QtWebEngineCore::PrinterWorker::deleteLater);

    printerWorker->moveToThread(printerThread);
    QMetaObject::invokeMethod(printerWorker, "print");

#else
    Q_UNUSED(currentPrinter);
    Q_UNUSED(result);
#endif
}

void QWebEngineViewPrivate::didPrintPageToPdf(const QString &filePath, bool success)
{
    Q_Q(QWebEngineView);
    Q_EMIT q->pdfPrintingFinished(filePath, success);
}

void QWebEngineViewPrivate::printRequested()
{
    Q_Q(QWebEngineView);
    QTimer::singleShot(0, q, [q]() {
        Q_EMIT q->printRequested();
    });
}

bool QWebEngineViewPrivate::isVisible() const
{
    Q_Q(const QWebEngineView);
    return q->isVisible();
}
QRect QWebEngineViewPrivate::viewportRect() const
{
    Q_Q(const QWebEngineView);
    return q->rect();
}
QtWebEngineCore::RenderWidgetHostViewQtDelegate *
QWebEngineViewPrivate::CreateRenderWidgetHostViewQtDelegate(
        QtWebEngineCore::RenderWidgetHostViewQtDelegateClient *client)
{
    auto *item = new QtWebEngineCore::RenderWidgetHostViewQtDelegateItem(client, false);
    auto *widget = new QtWebEngineCore::WebEngineQuickWidget(item, nullptr);
    item->setWidgetDelegate(widget);
    return item;
}

QtWebEngineCore::RenderWidgetHostViewQtDelegate *
QWebEngineViewPrivate::CreateRenderWidgetHostViewQtDelegateForPopup(
        QtWebEngineCore::RenderWidgetHostViewQtDelegateClient *client)
{
    Q_Q(QWebEngineView);
    auto *item = new QtWebEngineCore::RenderWidgetHostViewQtDelegateItem(client, true);
    auto *widget = new QtWebEngineCore::WebEngineQuickWidget(item, q);
    item->setWidgetDelegate(widget);
    return item;
}

QWebEngineContextMenuRequest *QWebEngineViewPrivate::lastContextMenuRequest() const
{
    return m_contextRequest;
}

void QWebEngineViewPrivate::showAutofillPopup(QtWebEngineCore::AutofillPopupController *controller,
                                              const QRect &bounds, bool autoselectFirstSuggestion)
{
    Q_Q(QWebEngineView);
    if (!m_autofillPopupWidget)
        m_autofillPopupWidget.reset(new QtWebEngineWidgetUI::AutofillPopupWidget(controller, q));
    m_autofillPopupWidget->showPopup(q->mapToGlobal(bounds.bottomLeft()), bounds.width() + 2,
                                     autoselectFirstSuggestion);
    controller->notifyPopupShown();
}

void QWebEngineViewPrivate::hideAutofillPopup()
{
    if (!m_autofillPopupWidget)
        return;

    Q_Q(QWebEngineView);
    QTimer::singleShot(0, q, [this] {
        if (m_autofillPopupWidget) {
            QtWebEngineCore::AutofillPopupController *controller =
                    m_autofillPopupWidget->m_controller;
            m_autofillPopupWidget.reset();
            controller->notifyPopupHidden();
        }
    });
}

/*!
    \fn QWebEngineView::renderProcessTerminated(QWebEnginePage::RenderProcessTerminationStatus terminationStatus, int exitCode)
    \since 5.6

    This signal is emitted when the render process is terminated with a non-zero exit status.
    \a terminationStatus is the termination status of the process and \a exitCode is the status code
    with which the process terminated.
*/

/*!
    \fn void QWebEngineView::iconChanged(const QIcon &icon)
    \since 5.7

    This signal is emitted when the icon ("favicon") associated with the
    view is changed. The new icon is specified by \a icon.

    \sa icon(), iconUrl(), iconUrlChanged()
*/

QWebEngineView::QWebEngineView(QWidget *parent)
    : QWidget(parent)
    , d_ptr(new QWebEngineViewPrivate)
{
    Q_D(QWebEngineView);
    d->q_ptr = this;
    setAcceptDrops(true);

    QVBoxLayout *layout = new QVBoxLayout;
    layout->setContentsMargins(0, 0, 0, 0);
    setLayout(layout);
}

/*!
    \since 6.4

    Constructs an empty web view using \a profile with the parent \a parent.

    \note The \a profile object ownership is not taken and it should outlive the view.

    \sa load()
*/

QWebEngineView::QWebEngineView(QWebEngineProfile *profile, QWidget *parent)
    : QWebEngineView(parent)
{
    Q_D(QWebEngineView);
    setPage(new QWebEnginePage(profile, this));
    d->m_ownsPage = true;
}

/*!
    \since 6.4

    Constructs a web view containing \a page with the parent \a parent.

    \note Ownership of \a page is not taken, and it is up to the caller to ensure it is deleted.

    \sa load(), setPage()
*/

QWebEngineView::QWebEngineView(QWebEnginePage *page, QWidget *parent)
    : QWebEngineView(parent)
{
    setPage(page);
}

QWebEngineView::~QWebEngineView()
{
    blockSignals(true);
    QWebEngineViewPrivate::bindPageAndView(nullptr, this);
}

/*!
    \since 6.2

    Returns the view if any, associated with the \a page.

    \sa page(), setPage()
*/
QWebEngineView *QWebEngineView::forPage(const QWebEnginePage *page)
{
    if (!page)
        return nullptr;
    return qobject_cast<QWebEngineView *>(page->d_ptr->accessibilityParentObject());
}

QWebEnginePage* QWebEngineView::page() const
{
    Q_D(const QWebEngineView);
    if (!d->page) {
        QWebEngineView *that = const_cast<QWebEngineView*>(this);
        that->setPage(new QWebEnginePage(that));
        d->m_ownsPage = true;
    }
    return d->page;
}

void QWebEngineView::setPage(QWebEnginePage *newPage)
{
    Q_D(QWebEngineView);
    if (d->page) {
        disconnect(d->m_pageConnection);
        d->m_pageConnection = {};
    }

    QWebEngineViewPrivate::bindPageAndView(newPage, this);
    if (!newPage)
        return;
    d->m_pageConnection = connect(newPage, &QWebEnginePage::_q_aboutToDelete, this,
                                  [newPage]() { QWebEngineViewPrivate::bindPageAndView(newPage, nullptr); });
    auto profile = newPage->profile();
    if (!profile->notificationPresenter())
        profile->setNotificationPresenter(&defaultNotificationPresenter);
}

void QWebEngineView::load(const QUrl& url)
{
    page()->load(url);
}

/*!
    \since 5.9
    Issues the specified \a request and loads the response.

    \sa load(), setUrl(), url(), urlChanged(), QUrl::fromUserInput()
*/
void QWebEngineView::load(const QWebEngineHttpRequest &request)
{
    page()->load(request);
}

void QWebEngineView::setHtml(const QString& html, const QUrl& baseUrl)
{
    page()->setHtml(html, baseUrl);
}

void QWebEngineView::setContent(const QByteArray& data, const QString& mimeType, const QUrl& baseUrl)
{
    page()->setContent(data, mimeType, baseUrl);
}

QWebEngineHistory* QWebEngineView::history() const
{
    return page()->history();
}

QString QWebEngineView::title() const
{
    return page()->title();
}

void QWebEngineView::setUrl(const QUrl &url)
{
    page()->setUrl(url);
}

QUrl QWebEngineView::url() const
{
    return page()->url();
}

QUrl QWebEngineView::iconUrl() const
{
    return page()->iconUrl();
}

/*!
    \property QWebEngineView::icon
    \brief The icon associated with the page currently viewed.
    \since 5.7

    By default, this property contains a null icon.

    \sa iconChanged(), iconUrl(), iconUrlChanged()
*/
QIcon QWebEngineView::icon() const
{
    return page()->icon();
}

bool QWebEngineView::hasSelection() const
{
    return page()->hasSelection();
}

QString QWebEngineView::selectedText() const
{
    return page()->selectedText();
}

#if QT_CONFIG(action)
QAction* QWebEngineView::pageAction(QWebEnginePage::WebAction action) const
{
    return page()->action(action);
}
#endif

void QWebEngineView::triggerPageAction(QWebEnginePage::WebAction action, bool checked)
{
    page()->triggerAction(action, checked);
}

void QWebEngineView::findText(const QString &subString, QWebEnginePage::FindFlags options, const std::function<void(const QWebEngineFindTextResult &)> &resultCallback)
{
    page()->findText(subString, options, resultCallback);
}

/*!
 * \reimp
 */
QSize QWebEngineView::sizeHint() const
{
    // TODO: Remove this override for Qt 6
    return QWidget::sizeHint();
}

QWebEngineSettings *QWebEngineView::settings() const
{
    return page()->settings();
}

void QWebEngineView::stop()
{
    page()->triggerAction(QWebEnginePage::Stop);
}

void QWebEngineView::back()
{
    page()->triggerAction(QWebEnginePage::Back);
}

void QWebEngineView::forward()
{
    page()->triggerAction(QWebEnginePage::Forward);
}

void QWebEngineView::reload()
{
    page()->triggerAction(QWebEnginePage::Reload);
}

QWebEngineView *QWebEngineView::createWindow(QWebEnginePage::WebWindowType type)
{
    Q_UNUSED(type);
    return nullptr;
}

qreal QWebEngineView::zoomFactor() const
{
    return page()->zoomFactor();
}

void QWebEngineView::setZoomFactor(qreal factor)
{
    page()->setZoomFactor(factor);
}

/*!
 * \reimp
 */
bool QWebEngineView::event(QEvent *ev)
{
    if (ev->type() == QEvent::ContextMenu) {
        if (contextMenuPolicy() == Qt::NoContextMenu) {
            // We forward the contextMenu event to the parent widget
            ev->ignore();
            return false;
        }

        // We swallow spontaneous contextMenu events and synthethize those back later on when we get the
        // HandleContextMenu callback from chromium
        ev->accept();
        return true;
    }

    return QWidget::event(ev);
}

/*!
 * \reimp
 */
#if QT_CONFIG(contextmenu)
void QWebEngineView::contextMenuEvent(QContextMenuEvent *event)
{
    QMenu *menu = createStandardContextMenu();
    menu->popup(event->globalPos());
}
#endif // QT_CONFIG(contextmenu)

/*!
 * \reimp
 */
void QWebEngineView::showEvent(QShowEvent *event)
{
    QWidget::showEvent(event);
    page()->setVisible(true);
}

/*!
 * \reimp
 */
void QWebEngineView::hideEvent(QHideEvent *event)
{
    QWidget::hideEvent(event);
    page()->setVisible(false);
}

/*!
 * \reimp
 */
void QWebEngineView::closeEvent(QCloseEvent *event)
{
    QWidget::closeEvent(event);
    page()->setVisible(false);
    page()->setLifecycleState(QWebEnginePage::LifecycleState::Discarded);
}

#if QT_CONFIG(draganddrop)
/*!
    \reimp
*/
void QWebEngineView::dragEnterEvent(QDragEnterEvent *e)
{
    Q_D(QWebEngineView);
    e->accept();
    if (d->m_dragEntered)
        d->page->d_ptr->adapter->leaveDrag();
    d->page->d_ptr->adapter->enterDrag(e, mapToGlobal(e->position().toPoint()));
    d->m_dragEntered = true;
}

/*!
    \reimp
*/
void QWebEngineView::dragLeaveEvent(QDragLeaveEvent *e)
{
    Q_D(QWebEngineView);
    if (!d->m_dragEntered)
        return;
    e->accept();
    d->page->d_ptr->adapter->leaveDrag();
    d->m_dragEntered = false;
}

/*!
    \reimp
*/
void QWebEngineView::dragMoveEvent(QDragMoveEvent *e)
{
    Q_D(QWebEngineView);
    if (!d->m_dragEntered)
        return;
    QtWebEngineCore::WebContentsAdapter *adapter = d->page->d_ptr->adapter.data();
    Qt::DropAction dropAction =
            adapter->updateDragPosition(e, mapToGlobal(e->position().toPoint()));
    if (Qt::IgnoreAction == dropAction) {
        e->ignore();
    } else {
        e->setDropAction(dropAction);
        e->accept();
    }
}

/*!
    \reimp
*/
void QWebEngineView::dropEvent(QDropEvent *e)
{
    Q_D(QWebEngineView);
    if (!d->m_dragEntered)
        return;
    e->accept();
    d->page->d_ptr->adapter->endDragging(e, mapToGlobal(e->position().toPoint()));
    d->m_dragEntered = false;
}
#endif // QT_CONFIG(draganddrop)

#if QT_CONFIG(menu)
/*!
  Creates a standard context menu and returns a pointer to it.
*/
QMenu *QWebEngineView::createStandardContextMenu()
{
    Q_D(QWebEngineView);
    QMenu *menu = new QMenu(this);
    QContextMenuBuilder contextMenuBuilder(d->m_contextRequest, this, menu);

    contextMenuBuilder.initMenu();

    menu->setAttribute(Qt::WA_DeleteOnClose, true);

    return menu;
}
#endif // QT_CONFIG(menu)

/*!
  \since 6.2

  Returns additional data about the current context menu. It is only guaranteed to be valid during
  the call to the contextMenuEvent().

  \sa createStandardContextMenu()
*/
QWebEngineContextMenuRequest *QWebEngineView::lastContextMenuRequest() const
{
    Q_D(const QWebEngineView);
    return d->m_contextRequest;
}

/*!
    \fn void QWebEngineView::pdfPrintingFinished(const QString &filePath, bool success)
    \since 6.2

    This signal is emitted when printing the web page into a PDF file has
    finished.
    \a filePath will contain the path the file was requested to be created
    at, and \a success will be \c true if the file was successfully created and
    \c false otherwise.

    \sa printToPdf()
*/

/*!
    Renders the current content of the page into a PDF document and saves it
    in the location specified in \a filePath.
    The page size and orientation of the produced PDF document are taken from
    the values specified in \a layout, while the range of pages printed is
    taken from \a ranges with the default being printing all pages.

    This method issues an asynchronous request for printing the web page into
    a PDF and returns immediately.
    To be informed about the result of the request, connect to the signal
    pdfPrintingFinished().

    If a file already exists at the provided file path, it will be overwritten.
    \since 6.2
    \sa pdfPrintingFinished()
*/
void QWebEngineView::printToPdf(const QString &filePath, const QPageLayout &layout, const QPageRanges &ranges)
{
    page()->printToPdf(filePath, layout, ranges);
}

/*!
    Renders the current content of the page into a PDF document and returns a byte array containing the PDF data
    as parameter to \a resultCallback.
    The page size and orientation of the produced PDF document are taken from the values specified in \a layout,
    while the range of pages printed is taken from \a ranges with the default being printing all pages.

    The \a resultCallback must take a const reference to a QByteArray as parameter. If printing was successful, this byte array
    will contain the PDF data, otherwise, the byte array will be empty.

    \warning We guarantee that the callback (\a resultCallback) is always called, but it might be done
    during page destruction. When QWebEnginePage is deleted, the callback is triggered with an invalid
    value and it is not safe to use the corresponding QWebEnginePage or QWebEngineView instance inside it.

    \since 6.2
*/
void QWebEngineView::printToPdf(const std::function<void(const QByteArray&)> &resultCallback, const QPageLayout &layout, const QPageRanges &ranges)
{
    page()->printToPdf(resultCallback, layout, ranges);
}

/*!
    \fn void QWebEngineView::printRequested()
    \since 6.2

    This signal is emitted when the JavaScript \c{window.print()} method is called.
    Typically, the signal handler can simply call print().

    \sa print()
*/

/*!
    \fn void QWebEngineView::printFinished(bool success)
    \since 6.2

    This signal is emitted when printing requested with print() has finished.
    The parameter \a success is \c true for success or \c false for failure.

    \sa print()
*/

/*!
    Renders the current content of the page into a temporary PDF document, then prints it using \a printer.

    The settings for creating and printing the PDF document will be retrieved from the \a printer
    object.

    When finished the signal printFinished() is emitted with the \c true for success or \c false for failure.

    It is the users responsibility to ensure the \a printer remains valid until printFinished()
    has been emitted.

    \note Printing runs on the browser process, which is by default not sandboxed.

    \note This function rasterizes the result when rendering onto \a printer. Please consider raising
    the default resolution of \a printer to at least 300 DPI or using printToPdf() to produce
    PDF file output more effectively.

    \since 6.2
*/
void QWebEngineView::print(QPrinter *printer)
{
#if QT_CONFIG(webengine_printing_and_pdf)
    if (page()->d_ptr->currentPrinter) {
        qWarning("Cannot print page on printer %ls: Already printing on a device.", qUtf16Printable(printer->printerName()));
        return;
    }

    page()->d_ptr->currentPrinter = printer;
    page()->d_ptr->ensureInitialized();
    page()->d_ptr->adapter->printToPDFCallbackResult(printer->pageLayout(),
                                                     printer->pageRanges(),
                                                     printer->colorMode() == QPrinter::Color,
                                                     false);
#else
    Q_UNUSED(printer);
    Q_EMIT printFinished(false);
#endif
}

#if QT_CONFIG(action)
QContextMenuBuilder::QContextMenuBuilder(QWebEngineContextMenuRequest *request,
                                         QWebEngineView *view, QMenu *menu)
    : QtWebEngineCore::RenderViewContextMenuQt(request), m_view(view), m_menu(menu)
{
    m_view->page()->d_ptr->ensureInitialized();
}

bool QContextMenuBuilder::hasInspector()
{
    return m_view->page()->d_ptr->adapter->hasInspector();
}

bool QContextMenuBuilder::isFullScreenMode()
{
    return m_view->page()->d_ptr->isFullScreenMode();
}

void QContextMenuBuilder::addMenuItem(ContextMenuItem menuItem)
{
    QPointer<QWebEnginePage> thisRef(m_view->page());
    QAction *action = nullptr;

    switch (menuItem) {
    case ContextMenuItem::Back:
        action = thisRef->action(QWebEnginePage::Back);
        break;
    case ContextMenuItem::Forward:
        action = thisRef->action(QWebEnginePage::Forward);
        break;
    case ContextMenuItem::Reload:
        action = thisRef->action(QWebEnginePage::Reload);
        break;
    case ContextMenuItem::Cut:
        action = thisRef->action(QWebEnginePage::Cut);
        break;
    case ContextMenuItem::Copy:
        action = thisRef->action(QWebEnginePage::Copy);
        break;
    case ContextMenuItem::Paste:
        action = thisRef->action(QWebEnginePage::Paste);
        break;
    case ContextMenuItem::Undo:
        action = thisRef->action(QWebEnginePage::Undo);
        break;
    case ContextMenuItem::Redo:
        action = thisRef->action(QWebEnginePage::Redo);
        break;
    case ContextMenuItem::SelectAll:
        action = thisRef->action(QWebEnginePage::SelectAll);
        break;
    case ContextMenuItem::PasteAndMatchStyle:
        action = thisRef->action(QWebEnginePage::PasteAndMatchStyle);
        break;
    case ContextMenuItem::OpenLinkInNewWindow:
        action = thisRef->action(QWebEnginePage::OpenLinkInNewWindow);
        break;
    case ContextMenuItem::OpenLinkInNewTab:
        action = thisRef->action(QWebEnginePage::OpenLinkInNewTab);
        break;
    case ContextMenuItem::CopyLinkToClipboard:
        action = thisRef->action(QWebEnginePage::CopyLinkToClipboard);
        break;
    case ContextMenuItem::DownloadLinkToDisk:
        action = thisRef->action(QWebEnginePage::DownloadLinkToDisk);
        break;
    case ContextMenuItem::CopyImageToClipboard:
        action = thisRef->action(QWebEnginePage::CopyImageToClipboard);
        break;
    case ContextMenuItem::CopyImageUrlToClipboard:
        action = thisRef->action(QWebEnginePage::CopyImageUrlToClipboard);
        break;
    case ContextMenuItem::DownloadImageToDisk:
        action = thisRef->action(QWebEnginePage::DownloadImageToDisk);
        break;
    case ContextMenuItem::CopyMediaUrlToClipboard:
        action = thisRef->action(QWebEnginePage::CopyMediaUrlToClipboard);
        break;
    case ContextMenuItem::ToggleMediaControls:
        action = thisRef->action(QWebEnginePage::ToggleMediaControls);
        break;
    case ContextMenuItem::ToggleMediaLoop:
        action = thisRef->action(QWebEnginePage::ToggleMediaLoop);
        break;
    case ContextMenuItem::DownloadMediaToDisk:
        action = thisRef->action(QWebEnginePage::DownloadMediaToDisk);
        break;
    case ContextMenuItem::InspectElement:
        action = thisRef->action(QWebEnginePage::InspectElement);
        break;
    case ContextMenuItem::ExitFullScreen:
        action = thisRef->action(QWebEnginePage::ExitFullScreen);
        break;
    case ContextMenuItem::SavePage:
        action = thisRef->action(QWebEnginePage::SavePage);
        break;
    case ContextMenuItem::ViewSource:
        action = thisRef->action(QWebEnginePage::ViewSource);
        break;
    case ContextMenuItem::SpellingSuggestions:
        for (int i = 0; i < m_contextData->spellCheckerSuggestions().count() && i < 4; i++) {
            action = new QAction(m_menu);
            QString replacement = m_contextData->spellCheckerSuggestions().at(i);
            QObject::connect(action, &QAction::triggered, [thisRef, replacement] {
                if (thisRef)
                    thisRef->replaceMisspelledWord(replacement);
            });
            action->setText(replacement);
            m_menu->addAction(action);
        }
        return;
    case ContextMenuItem::Separator:
        if (!m_menu->isEmpty())
            m_menu->addSeparator();
        return;
    }
    action->setEnabled(isMenuItemEnabled(menuItem));
    m_menu->addAction(action);
}

bool QContextMenuBuilder::isMenuItemEnabled(ContextMenuItem menuItem)
{
    switch (menuItem) {
    case ContextMenuItem::Back:
        return m_view->page()->d_ptr->adapter->canGoBack();
    case ContextMenuItem::Forward:
        return m_view->page()->d_ptr->adapter->canGoForward();
    case ContextMenuItem::Reload:
        return true;
    case ContextMenuItem::Cut:
        return m_contextData->editFlags() & QWebEngineContextMenuRequest::CanCut;
    case ContextMenuItem::Copy:
        return m_contextData->editFlags() & QWebEngineContextMenuRequest::CanCopy;
    case ContextMenuItem::Paste:
        return m_contextData->editFlags() & QWebEngineContextMenuRequest::CanPaste;
    case ContextMenuItem::Undo:
        return m_contextData->editFlags() & QWebEngineContextMenuRequest::CanUndo;
    case ContextMenuItem::Redo:
        return m_contextData->editFlags() & QWebEngineContextMenuRequest::CanRedo;
    case ContextMenuItem::SelectAll:
        return m_contextData->editFlags() & QWebEngineContextMenuRequest::CanSelectAll;
    case ContextMenuItem::PasteAndMatchStyle:
        return m_contextData->editFlags() & QWebEngineContextMenuRequest::CanPaste;
    case ContextMenuItem::OpenLinkInNewWindow:
    case ContextMenuItem::OpenLinkInNewTab:
    case ContextMenuItem::CopyLinkToClipboard:
    case ContextMenuItem::DownloadLinkToDisk:
    case ContextMenuItem::CopyImageToClipboard:
    case ContextMenuItem::CopyImageUrlToClipboard:
    case ContextMenuItem::DownloadImageToDisk:
    case ContextMenuItem::CopyMediaUrlToClipboard:
    case ContextMenuItem::ToggleMediaControls:
    case ContextMenuItem::ToggleMediaLoop:
    case ContextMenuItem::DownloadMediaToDisk:
    case ContextMenuItem::InspectElement:
    case ContextMenuItem::ExitFullScreen:
    case ContextMenuItem::SavePage:
        return true;
    case ContextMenuItem::ViewSource:
        return m_view->page()->d_ptr->adapter->canViewSource();
    case ContextMenuItem::SpellingSuggestions:
    case ContextMenuItem::Separator:
        return true;
    }
    Q_UNREACHABLE();
}
#endif // QT_CONFIG(action)

QT_END_NAMESPACE

#include "moc_qwebengineview.cpp"