webkit6 0.6.1

// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// from webkit-gir-files
// DO NOT EDIT

use crate::{
    AuthenticationRequest, AutomationBrowsingContextPresentation, BackForwardList,
    BackForwardListItem, ColorChooserRequest, ContextMenu, Download, EditorState,
    FileChooserRequest, FindController, FormSubmissionRequest, HitTestResult, InputMethodContext,
    InsecureContentEvent, LoadEvent, MediaCaptureState, NavigationAction, NetworkSession,
    Notification, OptionMenu, PermissionRequest, PermissionStateQuery, PolicyDecision,
    PolicyDecisionType, PrintOperation, SaveMode, ScriptDialog, Settings, SnapshotOptions,
    SnapshotRegion, URIRequest, UserContentManager, UserMessage, WebContext, WebExtensionMode,
    WebInspector, WebProcessTerminationReason, WebResource, WebViewBase, WebViewSessionState,
    WebsitePolicies, WindowProperties, ffi,
};
use glib::{
    object::ObjectType as _,
    prelude::*,
    signal::{SignalHandlerId, connect_raw},
    translate::*,
};
use std::{boxed::Box as Box_, pin::Pin};

glib::wrapper! {
    #[doc(alias = "WebKitWebView")]
    pub struct WebView(Object<ffi::WebKitWebView, ffi::WebKitWebViewClass>) @extends WebViewBase, gtk::Widget, @implements gtk::Accessible, gtk::Buildable, gtk::ConstraintTarget;

    match fn {
        type_ => || ffi::webkit_web_view_get_type(),
    }
}

impl WebView {
    pub const NONE: Option<&'static WebView> = None;

    #[doc(alias = "webkit_web_view_new")]
    pub fn new() -> WebView {
        assert_initialized_main_thread!();
        unsafe { gtk::Widget::from_glib_none(ffi::webkit_web_view_new()).unsafe_cast() }
    }

    // rustdoc-stripper-ignore-next
    /// Creates a new builder-pattern struct instance to construct [`WebView`] objects.
    ///
    /// This method returns an instance of [`WebViewBuilder`](crate::builders::WebViewBuilder) which can be used to create [`WebView`] objects.
    pub fn builder() -> WebViewBuilder {
        WebViewBuilder::new()
    }
}

impl Default for WebView {
    fn default() -> Self {
        Self::new()
    }
}

// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`WebView`] objects.
///
/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
#[must_use = "The builder must be built to be used"]
pub struct WebViewBuilder {
    builder: glib::object::ObjectBuilder<'static, WebView>,
}

impl WebViewBuilder {
    fn new() -> Self {
        Self {
            builder: glib::object::Object::builder(),
        }
    }

    pub fn automation_presentation_type(
        self,
        automation_presentation_type: AutomationBrowsingContextPresentation,
    ) -> Self {
        Self {
            builder: self
                .builder
                .property("automation-presentation-type", automation_presentation_type),
        }
    }

    pub fn camera_capture_state(self, camera_capture_state: MediaCaptureState) -> Self {
        Self {
            builder: self
                .builder
                .property("camera-capture-state", camera_capture_state),
        }
    }

    pub fn default_content_security_policy(
        self,
        default_content_security_policy: impl Into<glib::GString>,
    ) -> Self {
        Self {
            builder: self.builder.property(
                "default-content-security-policy",
                default_content_security_policy.into(),
            ),
        }
    }

    pub fn display_capture_state(self, display_capture_state: MediaCaptureState) -> Self {
        Self {
            builder: self
                .builder
                .property("display-capture-state", display_capture_state),
        }
    }

    pub fn editable(self, editable: bool) -> Self {
        Self {
            builder: self.builder.property("editable", editable),
        }
    }

    pub fn is_controlled_by_automation(self, is_controlled_by_automation: bool) -> Self {
        Self {
            builder: self
                .builder
                .property("is-controlled-by-automation", is_controlled_by_automation),
        }
    }

    pub fn is_muted(self, is_muted: bool) -> Self {
        Self {
            builder: self.builder.property("is-muted", is_muted),
        }
    }

    pub fn microphone_capture_state(self, microphone_capture_state: MediaCaptureState) -> Self {
        Self {
            builder: self
                .builder
                .property("microphone-capture-state", microphone_capture_state),
        }
    }

    pub fn network_session(self, network_session: &NetworkSession) -> Self {
        Self {
            builder: self
                .builder
                .property("network-session", network_session.clone()),
        }
    }

    pub fn related_view(self, related_view: &impl IsA<WebView>) -> Self {
        Self {
            builder: self
                .builder
                .property("related-view", related_view.clone().upcast()),
        }
    }

    pub fn settings(self, settings: &Settings) -> Self {
        Self {
            builder: self.builder.property("settings", settings.clone()),
        }
    }

    pub fn user_content_manager(self, user_content_manager: &UserContentManager) -> Self {
        Self {
            builder: self
                .builder
                .property("user-content-manager", user_content_manager.clone()),
        }
    }

    pub fn web_context(self, web_context: &WebContext) -> Self {
        Self {
            builder: self.builder.property("web-context", web_context.clone()),
        }
    }

    pub fn web_extension_mode(self, web_extension_mode: WebExtensionMode) -> Self {
        Self {
            builder: self
                .builder
                .property("web-extension-mode", web_extension_mode),
        }
    }

    pub fn website_policies(self, website_policies: &WebsitePolicies) -> Self {
        Self {
            builder: self
                .builder
                .property("website-policies", website_policies.clone()),
        }
    }

    pub fn zoom_level(self, zoom_level: f64) -> Self {
        Self {
            builder: self.builder.property("zoom-level", zoom_level),
        }
    }

    pub fn can_focus(self, can_focus: bool) -> Self {
        Self {
            builder: self.builder.property("can-focus", can_focus),
        }
    }

    pub fn can_target(self, can_target: bool) -> Self {
        Self {
            builder: self.builder.property("can-target", can_target),
        }
    }

    pub fn css_classes(self, css_classes: impl Into<glib::StrV>) -> Self {
        Self {
            builder: self.builder.property("css-classes", css_classes.into()),
        }
    }

    pub fn css_name(self, css_name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("css-name", css_name.into()),
        }
    }

    //pub fn cursor(self, cursor: /*Ignored*/&gdk::Cursor) -> Self {
    //    Self { builder: self.builder.property("cursor", cursor), }
    //}

    pub fn focus_on_click(self, focus_on_click: bool) -> Self {
        Self {
            builder: self.builder.property("focus-on-click", focus_on_click),
        }
    }

    pub fn focusable(self, focusable: bool) -> Self {
        Self {
            builder: self.builder.property("focusable", focusable),
        }
    }

    //pub fn halign(self, halign: /*Ignored*/gtk::Align) -> Self {
    //    Self { builder: self.builder.property("halign", halign), }
    //}

    pub fn has_tooltip(self, has_tooltip: bool) -> Self {
        Self {
            builder: self.builder.property("has-tooltip", has_tooltip),
        }
    }

    pub fn height_request(self, height_request: i32) -> Self {
        Self {
            builder: self.builder.property("height-request", height_request),
        }
    }

    pub fn hexpand(self, hexpand: bool) -> Self {
        Self {
            builder: self.builder.property("hexpand", hexpand),
        }
    }

    pub fn hexpand_set(self, hexpand_set: bool) -> Self {
        Self {
            builder: self.builder.property("hexpand-set", hexpand_set),
        }
    }

    //pub fn layout_manager(self, layout_manager: &impl IsA</*Ignored*/gtk::LayoutManager>) -> Self {
    //    Self { builder: self.builder.property("layout-manager", layout_manager.clone().upcast()), }
    //}

    #[cfg(feature = "gtk_v4_18")]
    #[cfg_attr(docsrs, doc(cfg(feature = "gtk_v4_18")))]
    pub fn limit_events(self, limit_events: bool) -> Self {
        Self {
            builder: self.builder.property("limit-events", limit_events),
        }
    }

    pub fn margin_bottom(self, margin_bottom: i32) -> Self {
        Self {
            builder: self.builder.property("margin-bottom", margin_bottom),
        }
    }

    pub fn margin_end(self, margin_end: i32) -> Self {
        Self {
            builder: self.builder.property("margin-end", margin_end),
        }
    }

    pub fn margin_start(self, margin_start: i32) -> Self {
        Self {
            builder: self.builder.property("margin-start", margin_start),
        }
    }

    pub fn margin_top(self, margin_top: i32) -> Self {
        Self {
            builder: self.builder.property("margin-top", margin_top),
        }
    }

    pub fn name(self, name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("name", name.into()),
        }
    }

    pub fn opacity(self, opacity: f64) -> Self {
        Self {
            builder: self.builder.property("opacity", opacity),
        }
    }

    //pub fn overflow(self, overflow: /*Ignored*/gtk::Overflow) -> Self {
    //    Self { builder: self.builder.property("overflow", overflow), }
    //}

    pub fn receives_default(self, receives_default: bool) -> Self {
        Self {
            builder: self.builder.property("receives-default", receives_default),
        }
    }

    pub fn sensitive(self, sensitive: bool) -> Self {
        Self {
            builder: self.builder.property("sensitive", sensitive),
        }
    }

    pub fn tooltip_markup(self, tooltip_markup: impl Into<glib::GString>) -> Self {
        Self {
            builder: self
                .builder
                .property("tooltip-markup", tooltip_markup.into()),
        }
    }

    pub fn tooltip_text(self, tooltip_text: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("tooltip-text", tooltip_text.into()),
        }
    }

    //pub fn valign(self, valign: /*Ignored*/gtk::Align) -> Self {
    //    Self { builder: self.builder.property("valign", valign), }
    //}

    pub fn vexpand(self, vexpand: bool) -> Self {
        Self {
            builder: self.builder.property("vexpand", vexpand),
        }
    }

    pub fn vexpand_set(self, vexpand_set: bool) -> Self {
        Self {
            builder: self.builder.property("vexpand-set", vexpand_set),
        }
    }

    pub fn visible(self, visible: bool) -> Self {
        Self {
            builder: self.builder.property("visible", visible),
        }
    }

    pub fn width_request(self, width_request: i32) -> Self {
        Self {
            builder: self.builder.property("width-request", width_request),
        }
    }

    //pub fn accessible_role(self, accessible_role: /*Ignored*/gtk::AccessibleRole) -> Self {
    //    Self { builder: self.builder.property("accessible-role", accessible_role), }
    //}

    // rustdoc-stripper-ignore-next
    /// Build the [`WebView`].
    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
    pub fn build(self) -> WebView {
        assert_initialized_main_thread!();
        self.builder.build()
    }
}

pub trait WebViewExt: IsA<WebView> + 'static {
    #[doc(alias = "webkit_web_view_call_async_javascript_function")]
    fn call_async_javascript_function<
        P: FnOnce(Result<javascriptcore::Value, glib::Error>) + 'static,
    >(
        &self,
        body: &str,
        arguments: Option<&glib::Variant>,
        world_name: Option<&str>,
        source_uri: Option<&str>,
        cancellable: Option<&impl IsA<gio::Cancellable>>,
        callback: P,
    ) {
        let length = body.len() as _;

        let main_context = glib::MainContext::ref_thread_default();
        let is_main_context_owner = main_context.is_owner();
        let has_acquired_main_context = (!is_main_context_owner)
            .then(|| main_context.acquire().ok())
            .flatten();
        assert!(
            is_main_context_owner || has_acquired_main_context.is_some(),
            "Async operations only allowed if the thread is owning the MainContext"
        );

        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
        unsafe extern "C" fn call_async_javascript_function_trampoline<
            P: FnOnce(Result<javascriptcore::Value, glib::Error>) + 'static,
        >(
            _source_object: *mut glib::gobject_ffi::GObject,
            res: *mut gio::ffi::GAsyncResult,
            user_data: glib::ffi::gpointer,
        ) {
            unsafe {
                let mut error = std::ptr::null_mut();
                let ret = ffi::webkit_web_view_call_async_javascript_function_finish(
                    _source_object as *mut _,
                    res,
                    &mut error,
                );
                let result = if error.is_null() {
                    Ok(from_glib_full(ret))
                } else {
                    Err(from_glib_full(error))
                };
                let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
                    Box_::from_raw(user_data as *mut _);
                let callback: P = callback.into_inner();
                callback(result);
            }
        }
        let callback = call_async_javascript_function_trampoline::<P>;
        unsafe {
            ffi::webkit_web_view_call_async_javascript_function(
                self.as_ref().to_glib_none().0,
                body.to_glib_none().0,
                length,
                arguments.to_glib_none().0,
                world_name.to_glib_none().0,
                source_uri.to_glib_none().0,
                cancellable.map(|p| p.as_ref()).to_glib_none().0,
                Some(callback),
                Box_::into_raw(user_data) as *mut _,
            );
        }
    }

    fn call_async_javascript_function_future(
        &self,
        body: &str,
        arguments: Option<&glib::Variant>,
        world_name: Option<&str>,
        source_uri: Option<&str>,
    ) -> Pin<
        Box_<
            dyn std::future::Future<Output = Result<javascriptcore::Value, glib::Error>> + 'static,
        >,
    > {
        let body = String::from(body);
        let arguments = arguments.map(ToOwned::to_owned);
        let world_name = world_name.map(ToOwned::to_owned);
        let source_uri = source_uri.map(ToOwned::to_owned);
        Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
            obj.call_async_javascript_function(
                &body,
                arguments.as_ref().map(::std::borrow::Borrow::borrow),
                world_name.as_ref().map(::std::borrow::Borrow::borrow),
                source_uri.as_ref().map(::std::borrow::Borrow::borrow),
                Some(cancellable),
                move |res| {
                    send.resolve(res);
                },
            );
        }))
    }

    #[doc(alias = "webkit_web_view_can_execute_editing_command")]
    fn can_execute_editing_command<P: FnOnce(Result<(), glib::Error>) + 'static>(
        &self,
        command: &str,
        cancellable: Option<&impl IsA<gio::Cancellable>>,
        callback: P,
    ) {
        let main_context = glib::MainContext::ref_thread_default();
        let is_main_context_owner = main_context.is_owner();
        let has_acquired_main_context = (!is_main_context_owner)
            .then(|| main_context.acquire().ok())
            .flatten();
        assert!(
            is_main_context_owner || has_acquired_main_context.is_some(),
            "Async operations only allowed if the thread is owning the MainContext"
        );

        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
        unsafe extern "C" fn can_execute_editing_command_trampoline<
            P: FnOnce(Result<(), glib::Error>) + 'static,
        >(
            _source_object: *mut glib::gobject_ffi::GObject,
            res: *mut gio::ffi::GAsyncResult,
            user_data: glib::ffi::gpointer,
        ) {
            unsafe {
                let mut error = std::ptr::null_mut();
                ffi::webkit_web_view_can_execute_editing_command_finish(
                    _source_object as *mut _,
                    res,
                    &mut error,
                );
                let result = if error.is_null() {
                    Ok(())
                } else {
                    Err(from_glib_full(error))
                };
                let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
                    Box_::from_raw(user_data as *mut _);
                let callback: P = callback.into_inner();
                callback(result);
            }
        }
        let callback = can_execute_editing_command_trampoline::<P>;
        unsafe {
            ffi::webkit_web_view_can_execute_editing_command(
                self.as_ref().to_glib_none().0,
                command.to_glib_none().0,
                cancellable.map(|p| p.as_ref()).to_glib_none().0,
                Some(callback),
                Box_::into_raw(user_data) as *mut _,
            );
        }
    }

    fn can_execute_editing_command_future(
        &self,
        command: &str,
    ) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>> {
        let command = String::from(command);
        Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
            obj.can_execute_editing_command(&command, Some(cancellable), move |res| {
                send.resolve(res);
            });
        }))
    }

    #[doc(alias = "webkit_web_view_can_go_back")]
    fn can_go_back(&self) -> bool {
        unsafe {
            from_glib(ffi::webkit_web_view_can_go_back(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_can_go_forward")]
    fn can_go_forward(&self) -> bool {
        unsafe {
            from_glib(ffi::webkit_web_view_can_go_forward(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_can_show_mime_type")]
    fn can_show_mime_type(&self, mime_type: &str) -> bool {
        unsafe {
            from_glib(ffi::webkit_web_view_can_show_mime_type(
                self.as_ref().to_glib_none().0,
                mime_type.to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_download_uri")]
    fn download_uri(&self, uri: &str) -> Option<Download> {
        unsafe {
            from_glib_full(ffi::webkit_web_view_download_uri(
                self.as_ref().to_glib_none().0,
                uri.to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_evaluate_javascript")]
    fn evaluate_javascript<P: FnOnce(Result<javascriptcore::Value, glib::Error>) + 'static>(
        &self,
        script: &str,
        world_name: Option<&str>,
        source_uri: Option<&str>,
        cancellable: Option<&impl IsA<gio::Cancellable>>,
        callback: P,
    ) {
        let length = script.len() as _;

        let main_context = glib::MainContext::ref_thread_default();
        let is_main_context_owner = main_context.is_owner();
        let has_acquired_main_context = (!is_main_context_owner)
            .then(|| main_context.acquire().ok())
            .flatten();
        assert!(
            is_main_context_owner || has_acquired_main_context.is_some(),
            "Async operations only allowed if the thread is owning the MainContext"
        );

        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
        unsafe extern "C" fn evaluate_javascript_trampoline<
            P: FnOnce(Result<javascriptcore::Value, glib::Error>) + 'static,
        >(
            _source_object: *mut glib::gobject_ffi::GObject,
            res: *mut gio::ffi::GAsyncResult,
            user_data: glib::ffi::gpointer,
        ) {
            unsafe {
                let mut error = std::ptr::null_mut();
                let ret = ffi::webkit_web_view_evaluate_javascript_finish(
                    _source_object as *mut _,
                    res,
                    &mut error,
                );
                let result = if error.is_null() {
                    Ok(from_glib_full(ret))
                } else {
                    Err(from_glib_full(error))
                };
                let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
                    Box_::from_raw(user_data as *mut _);
                let callback: P = callback.into_inner();
                callback(result);
            }
        }
        let callback = evaluate_javascript_trampoline::<P>;
        unsafe {
            ffi::webkit_web_view_evaluate_javascript(
                self.as_ref().to_glib_none().0,
                script.to_glib_none().0,
                length,
                world_name.to_glib_none().0,
                source_uri.to_glib_none().0,
                cancellable.map(|p| p.as_ref()).to_glib_none().0,
                Some(callback),
                Box_::into_raw(user_data) as *mut _,
            );
        }
    }

    fn evaluate_javascript_future(
        &self,
        script: &str,
        world_name: Option<&str>,
        source_uri: Option<&str>,
    ) -> Pin<
        Box_<
            dyn std::future::Future<Output = Result<javascriptcore::Value, glib::Error>> + 'static,
        >,
    > {
        let script = String::from(script);
        let world_name = world_name.map(ToOwned::to_owned);
        let source_uri = source_uri.map(ToOwned::to_owned);
        Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
            obj.evaluate_javascript(
                &script,
                world_name.as_ref().map(::std::borrow::Borrow::borrow),
                source_uri.as_ref().map(::std::borrow::Borrow::borrow),
                Some(cancellable),
                move |res| {
                    send.resolve(res);
                },
            );
        }))
    }

    #[doc(alias = "webkit_web_view_execute_editing_command")]
    fn execute_editing_command(&self, command: &str) {
        unsafe {
            ffi::webkit_web_view_execute_editing_command(
                self.as_ref().to_glib_none().0,
                command.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_execute_editing_command_with_argument")]
    fn execute_editing_command_with_argument(&self, command: &str, argument: &str) {
        unsafe {
            ffi::webkit_web_view_execute_editing_command_with_argument(
                self.as_ref().to_glib_none().0,
                command.to_glib_none().0,
                argument.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_get_automation_presentation_type")]
    #[doc(alias = "get_automation_presentation_type")]
    #[doc(alias = "automation-presentation-type")]
    fn automation_presentation_type(&self) -> AutomationBrowsingContextPresentation {
        unsafe {
            from_glib(ffi::webkit_web_view_get_automation_presentation_type(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_back_forward_list")]
    #[doc(alias = "get_back_forward_list")]
    fn back_forward_list(&self) -> Option<BackForwardList> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_back_forward_list(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_background_color")]
    #[doc(alias = "get_background_color")]
    fn background_color(&self) -> gdk::RGBA {
        unsafe {
            let mut rgba = gdk::RGBA::uninitialized();
            ffi::webkit_web_view_get_background_color(
                self.as_ref().to_glib_none().0,
                rgba.to_glib_none_mut().0,
            );
            rgba
        }
    }

    #[doc(alias = "webkit_web_view_get_camera_capture_state")]
    #[doc(alias = "get_camera_capture_state")]
    #[doc(alias = "camera-capture-state")]
    fn camera_capture_state(&self) -> MediaCaptureState {
        unsafe {
            from_glib(ffi::webkit_web_view_get_camera_capture_state(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_context")]
    #[doc(alias = "get_context")]
    fn context(&self) -> Option<WebContext> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_context(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_custom_charset")]
    #[doc(alias = "get_custom_charset")]
    fn custom_charset(&self) -> Option<glib::GString> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_custom_charset(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_default_content_security_policy")]
    #[doc(alias = "get_default_content_security_policy")]
    #[doc(alias = "default-content-security-policy")]
    fn default_content_security_policy(&self) -> Option<glib::GString> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_default_content_security_policy(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_display_capture_state")]
    #[doc(alias = "get_display_capture_state")]
    #[doc(alias = "display-capture-state")]
    fn display_capture_state(&self) -> MediaCaptureState {
        unsafe {
            from_glib(ffi::webkit_web_view_get_display_capture_state(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_editor_state")]
    #[doc(alias = "get_editor_state")]
    fn editor_state(&self) -> Option<EditorState> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_editor_state(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_estimated_load_progress")]
    #[doc(alias = "get_estimated_load_progress")]
    #[doc(alias = "estimated-load-progress")]
    fn estimated_load_progress(&self) -> f64 {
        unsafe { ffi::webkit_web_view_get_estimated_load_progress(self.as_ref().to_glib_none().0) }
    }

    #[doc(alias = "webkit_web_view_get_favicon")]
    #[doc(alias = "get_favicon")]
    fn favicon(&self) -> Option<gdk::Texture> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_favicon(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_find_controller")]
    #[doc(alias = "get_find_controller")]
    fn find_controller(&self) -> Option<FindController> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_find_controller(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_input_method_context")]
    #[doc(alias = "get_input_method_context")]
    fn input_method_context(&self) -> Option<InputMethodContext> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_input_method_context(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_inspector")]
    #[doc(alias = "get_inspector")]
    fn inspector(&self) -> Option<WebInspector> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_inspector(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_is_muted")]
    #[doc(alias = "get_is_muted")]
    #[doc(alias = "is-muted")]
    fn is_muted(&self) -> bool {
        unsafe {
            from_glib(ffi::webkit_web_view_get_is_muted(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_is_web_process_responsive")]
    #[doc(alias = "get_is_web_process_responsive")]
    #[doc(alias = "is-web-process-responsive")]
    fn is_web_process_responsive(&self) -> bool {
        unsafe {
            from_glib(ffi::webkit_web_view_get_is_web_process_responsive(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_main_resource")]
    #[doc(alias = "get_main_resource")]
    fn main_resource(&self) -> Option<WebResource> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_main_resource(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_microphone_capture_state")]
    #[doc(alias = "get_microphone_capture_state")]
    #[doc(alias = "microphone-capture-state")]
    fn microphone_capture_state(&self) -> MediaCaptureState {
        unsafe {
            from_glib(ffi::webkit_web_view_get_microphone_capture_state(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_network_session")]
    #[doc(alias = "get_network_session")]
    #[doc(alias = "network-session")]
    fn network_session(&self) -> Option<NetworkSession> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_network_session(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_page_id")]
    #[doc(alias = "get_page_id")]
    #[doc(alias = "page-id")]
    fn page_id(&self) -> u64 {
        unsafe { ffi::webkit_web_view_get_page_id(self.as_ref().to_glib_none().0) }
    }

    #[doc(alias = "webkit_web_view_get_session_state")]
    #[doc(alias = "get_session_state")]
    fn session_state(&self) -> Option<WebViewSessionState> {
        unsafe {
            from_glib_full(ffi::webkit_web_view_get_session_state(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_settings")]
    #[doc(alias = "get_settings")]
    fn settings(&self) -> Option<Settings> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_settings(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_snapshot")]
    #[doc(alias = "get_snapshot")]
    fn snapshot<P: FnOnce(Result<gdk::Texture, glib::Error>) + 'static>(
        &self,
        region: SnapshotRegion,
        options: SnapshotOptions,
        cancellable: Option<&impl IsA<gio::Cancellable>>,
        callback: P,
    ) {
        let main_context = glib::MainContext::ref_thread_default();
        let is_main_context_owner = main_context.is_owner();
        let has_acquired_main_context = (!is_main_context_owner)
            .then(|| main_context.acquire().ok())
            .flatten();
        assert!(
            is_main_context_owner || has_acquired_main_context.is_some(),
            "Async operations only allowed if the thread is owning the MainContext"
        );

        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
        unsafe extern "C" fn snapshot_trampoline<
            P: FnOnce(Result<gdk::Texture, glib::Error>) + 'static,
        >(
            _source_object: *mut glib::gobject_ffi::GObject,
            res: *mut gio::ffi::GAsyncResult,
            user_data: glib::ffi::gpointer,
        ) {
            unsafe {
                let mut error = std::ptr::null_mut();
                let ret = ffi::webkit_web_view_get_snapshot_finish(
                    _source_object as *mut _,
                    res,
                    &mut error,
                );
                let result = if error.is_null() {
                    Ok(from_glib_full(ret))
                } else {
                    Err(from_glib_full(error))
                };
                let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
                    Box_::from_raw(user_data as *mut _);
                let callback: P = callback.into_inner();
                callback(result);
            }
        }
        let callback = snapshot_trampoline::<P>;
        unsafe {
            ffi::webkit_web_view_get_snapshot(
                self.as_ref().to_glib_none().0,
                region.into_glib(),
                options.into_glib(),
                cancellable.map(|p| p.as_ref()).to_glib_none().0,
                Some(callback),
                Box_::into_raw(user_data) as *mut _,
            );
        }
    }

    fn snapshot_future(
        &self,
        region: SnapshotRegion,
        options: SnapshotOptions,
    ) -> Pin<Box_<dyn std::future::Future<Output = Result<gdk::Texture, glib::Error>> + 'static>>
    {
        Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
            obj.snapshot(region, options, Some(cancellable), move |res| {
                send.resolve(res);
            });
        }))
    }

    #[cfg(feature = "v2_50")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v2_50")))]
    #[doc(alias = "webkit_web_view_get_theme_color")]
    #[doc(alias = "get_theme_color")]
    #[doc(alias = "theme-color")]
    fn theme_color(&self) -> Option<gdk::RGBA> {
        unsafe {
            let mut rgba = gdk::RGBA::uninitialized();
            let ret = from_glib(ffi::webkit_web_view_get_theme_color(
                self.as_ref().to_glib_none().0,
                rgba.to_glib_none_mut().0,
            ));
            if ret { Some(rgba) } else { None }
        }
    }

    #[doc(alias = "webkit_web_view_get_title")]
    #[doc(alias = "get_title")]
    fn title(&self) -> Option<glib::GString> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_title(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_tls_info")]
    #[doc(alias = "get_tls_info")]
    fn tls_info(&self) -> Option<(gio::TlsCertificate, gio::TlsCertificateFlags)> {
        unsafe {
            let mut certificate = std::ptr::null_mut();
            let mut errors = std::mem::MaybeUninit::uninit();
            let ret = from_glib(ffi::webkit_web_view_get_tls_info(
                self.as_ref().to_glib_none().0,
                &mut certificate,
                errors.as_mut_ptr(),
            ));
            if ret {
                Some((from_glib_none(certificate), from_glib(errors.assume_init())))
            } else {
                None
            }
        }
    }

    #[doc(alias = "webkit_web_view_get_uri")]
    #[doc(alias = "get_uri")]
    fn uri(&self) -> Option<glib::GString> {
        unsafe { from_glib_none(ffi::webkit_web_view_get_uri(self.as_ref().to_glib_none().0)) }
    }

    #[doc(alias = "webkit_web_view_get_user_content_manager")]
    #[doc(alias = "get_user_content_manager")]
    #[doc(alias = "user-content-manager")]
    fn user_content_manager(&self) -> Option<UserContentManager> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_user_content_manager(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_web_extension_mode")]
    #[doc(alias = "get_web_extension_mode")]
    #[doc(alias = "web-extension-mode")]
    fn web_extension_mode(&self) -> WebExtensionMode {
        unsafe {
            from_glib(ffi::webkit_web_view_get_web_extension_mode(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_website_policies")]
    #[doc(alias = "get_website_policies")]
    #[doc(alias = "website-policies")]
    fn website_policies(&self) -> Option<WebsitePolicies> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_website_policies(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_window_properties")]
    #[doc(alias = "get_window_properties")]
    fn window_properties(&self) -> Option<WindowProperties> {
        unsafe {
            from_glib_none(ffi::webkit_web_view_get_window_properties(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_get_zoom_level")]
    #[doc(alias = "get_zoom_level")]
    #[doc(alias = "zoom-level")]
    fn zoom_level(&self) -> f64 {
        unsafe { ffi::webkit_web_view_get_zoom_level(self.as_ref().to_glib_none().0) }
    }

    #[doc(alias = "webkit_web_view_go_back")]
    fn go_back(&self) {
        unsafe {
            ffi::webkit_web_view_go_back(self.as_ref().to_glib_none().0);
        }
    }

    #[doc(alias = "webkit_web_view_go_forward")]
    fn go_forward(&self) {
        unsafe {
            ffi::webkit_web_view_go_forward(self.as_ref().to_glib_none().0);
        }
    }

    #[doc(alias = "webkit_web_view_go_to_back_forward_list_item")]
    fn go_to_back_forward_list_item(&self, list_item: &BackForwardListItem) {
        unsafe {
            ffi::webkit_web_view_go_to_back_forward_list_item(
                self.as_ref().to_glib_none().0,
                list_item.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_is_controlled_by_automation")]
    fn is_controlled_by_automation(&self) -> bool {
        unsafe {
            from_glib(ffi::webkit_web_view_is_controlled_by_automation(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_is_editable")]
    #[doc(alias = "editable")]
    fn is_editable(&self) -> bool {
        unsafe {
            from_glib(ffi::webkit_web_view_is_editable(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[cfg(feature = "v2_52")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v2_52")))]
    #[doc(alias = "webkit_web_view_is_immersive_mode_enabled")]
    #[doc(alias = "is-immersive-mode-enabled")]
    fn is_immersive_mode_enabled(&self) -> bool {
        unsafe {
            from_glib(ffi::webkit_web_view_is_immersive_mode_enabled(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_is_loading")]
    #[doc(alias = "is-loading")]
    fn is_loading(&self) -> bool {
        unsafe {
            from_glib(ffi::webkit_web_view_is_loading(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "webkit_web_view_is_playing_audio")]
    #[doc(alias = "is-playing-audio")]
    fn is_playing_audio(&self) -> bool {
        unsafe {
            from_glib(ffi::webkit_web_view_is_playing_audio(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    #[cfg(feature = "v2_52")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v2_52")))]
    #[doc(alias = "webkit_web_view_leave_immersive_mode")]
    fn leave_immersive_mode(&self) {
        unsafe {
            ffi::webkit_web_view_leave_immersive_mode(self.as_ref().to_glib_none().0);
        }
    }

    #[doc(alias = "webkit_web_view_load_alternate_html")]
    fn load_alternate_html(&self, content: &str, content_uri: &str, base_uri: Option<&str>) {
        unsafe {
            ffi::webkit_web_view_load_alternate_html(
                self.as_ref().to_glib_none().0,
                content.to_glib_none().0,
                content_uri.to_glib_none().0,
                base_uri.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_load_bytes")]
    fn load_bytes(
        &self,
        bytes: &glib::Bytes,
        mime_type: Option<&str>,
        encoding: Option<&str>,
        base_uri: Option<&str>,
    ) {
        unsafe {
            ffi::webkit_web_view_load_bytes(
                self.as_ref().to_glib_none().0,
                bytes.to_glib_none().0,
                mime_type.to_glib_none().0,
                encoding.to_glib_none().0,
                base_uri.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_load_html")]
    fn load_html(&self, content: &str, base_uri: Option<&str>) {
        unsafe {
            ffi::webkit_web_view_load_html(
                self.as_ref().to_glib_none().0,
                content.to_glib_none().0,
                base_uri.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_load_plain_text")]
    fn load_plain_text(&self, plain_text: &str) {
        unsafe {
            ffi::webkit_web_view_load_plain_text(
                self.as_ref().to_glib_none().0,
                plain_text.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_load_request")]
    fn load_request(&self, request: &URIRequest) {
        unsafe {
            ffi::webkit_web_view_load_request(
                self.as_ref().to_glib_none().0,
                request.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_load_uri")]
    fn load_uri(&self, uri: &str) {
        unsafe {
            ffi::webkit_web_view_load_uri(self.as_ref().to_glib_none().0, uri.to_glib_none().0);
        }
    }

    #[doc(alias = "webkit_web_view_reload")]
    fn reload(&self) {
        unsafe {
            ffi::webkit_web_view_reload(self.as_ref().to_glib_none().0);
        }
    }

    #[doc(alias = "webkit_web_view_reload_bypass_cache")]
    fn reload_bypass_cache(&self) {
        unsafe {
            ffi::webkit_web_view_reload_bypass_cache(self.as_ref().to_glib_none().0);
        }
    }

    #[doc(alias = "webkit_web_view_restore_session_state")]
    fn restore_session_state(&self, state: &WebViewSessionState) {
        unsafe {
            ffi::webkit_web_view_restore_session_state(
                self.as_ref().to_glib_none().0,
                state.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_save")]
    fn save<P: FnOnce(Result<gio::InputStream, glib::Error>) + 'static>(
        &self,
        save_mode: SaveMode,
        cancellable: Option<&impl IsA<gio::Cancellable>>,
        callback: P,
    ) {
        let main_context = glib::MainContext::ref_thread_default();
        let is_main_context_owner = main_context.is_owner();
        let has_acquired_main_context = (!is_main_context_owner)
            .then(|| main_context.acquire().ok())
            .flatten();
        assert!(
            is_main_context_owner || has_acquired_main_context.is_some(),
            "Async operations only allowed if the thread is owning the MainContext"
        );

        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
        unsafe extern "C" fn save_trampoline<
            P: FnOnce(Result<gio::InputStream, glib::Error>) + 'static,
        >(
            _source_object: *mut glib::gobject_ffi::GObject,
            res: *mut gio::ffi::GAsyncResult,
            user_data: glib::ffi::gpointer,
        ) {
            unsafe {
                let mut error = std::ptr::null_mut();
                let ret =
                    ffi::webkit_web_view_save_finish(_source_object as *mut _, res, &mut error);
                let result = if error.is_null() {
                    Ok(from_glib_full(ret))
                } else {
                    Err(from_glib_full(error))
                };
                let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
                    Box_::from_raw(user_data as *mut _);
                let callback: P = callback.into_inner();
                callback(result);
            }
        }
        let callback = save_trampoline::<P>;
        unsafe {
            ffi::webkit_web_view_save(
                self.as_ref().to_glib_none().0,
                save_mode.into_glib(),
                cancellable.map(|p| p.as_ref()).to_glib_none().0,
                Some(callback),
                Box_::into_raw(user_data) as *mut _,
            );
        }
    }

    fn save_future(
        &self,
        save_mode: SaveMode,
    ) -> Pin<Box_<dyn std::future::Future<Output = Result<gio::InputStream, glib::Error>> + 'static>>
    {
        Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
            obj.save(save_mode, Some(cancellable), move |res| {
                send.resolve(res);
            });
        }))
    }

    #[doc(alias = "webkit_web_view_save_to_file")]
    fn save_to_file<P: FnOnce(Result<(), glib::Error>) + 'static>(
        &self,
        file: &impl IsA<gio::File>,
        save_mode: SaveMode,
        cancellable: Option<&impl IsA<gio::Cancellable>>,
        callback: P,
    ) {
        let main_context = glib::MainContext::ref_thread_default();
        let is_main_context_owner = main_context.is_owner();
        let has_acquired_main_context = (!is_main_context_owner)
            .then(|| main_context.acquire().ok())
            .flatten();
        assert!(
            is_main_context_owner || has_acquired_main_context.is_some(),
            "Async operations only allowed if the thread is owning the MainContext"
        );

        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
        unsafe extern "C" fn save_to_file_trampoline<
            P: FnOnce(Result<(), glib::Error>) + 'static,
        >(
            _source_object: *mut glib::gobject_ffi::GObject,
            res: *mut gio::ffi::GAsyncResult,
            user_data: glib::ffi::gpointer,
        ) {
            unsafe {
                let mut error = std::ptr::null_mut();
                ffi::webkit_web_view_save_to_file_finish(_source_object as *mut _, res, &mut error);
                let result = if error.is_null() {
                    Ok(())
                } else {
                    Err(from_glib_full(error))
                };
                let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
                    Box_::from_raw(user_data as *mut _);
                let callback: P = callback.into_inner();
                callback(result);
            }
        }
        let callback = save_to_file_trampoline::<P>;
        unsafe {
            ffi::webkit_web_view_save_to_file(
                self.as_ref().to_glib_none().0,
                file.as_ref().to_glib_none().0,
                save_mode.into_glib(),
                cancellable.map(|p| p.as_ref()).to_glib_none().0,
                Some(callback),
                Box_::into_raw(user_data) as *mut _,
            );
        }
    }

    fn save_to_file_future(
        &self,
        file: &(impl IsA<gio::File> + Clone + 'static),
        save_mode: SaveMode,
    ) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>> {
        let file = file.clone();
        Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
            obj.save_to_file(&file, save_mode, Some(cancellable), move |res| {
                send.resolve(res);
            });
        }))
    }

    #[doc(alias = "webkit_web_view_send_message_to_page")]
    fn send_message_to_page<P: FnOnce(Result<UserMessage, glib::Error>) + 'static>(
        &self,
        message: &UserMessage,
        cancellable: Option<&impl IsA<gio::Cancellable>>,
        callback: P,
    ) {
        let main_context = glib::MainContext::ref_thread_default();
        let is_main_context_owner = main_context.is_owner();
        let has_acquired_main_context = (!is_main_context_owner)
            .then(|| main_context.acquire().ok())
            .flatten();
        assert!(
            is_main_context_owner || has_acquired_main_context.is_some(),
            "Async operations only allowed if the thread is owning the MainContext"
        );

        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
        unsafe extern "C" fn send_message_to_page_trampoline<
            P: FnOnce(Result<UserMessage, glib::Error>) + 'static,
        >(
            _source_object: *mut glib::gobject_ffi::GObject,
            res: *mut gio::ffi::GAsyncResult,
            user_data: glib::ffi::gpointer,
        ) {
            unsafe {
                let mut error = std::ptr::null_mut();
                let ret = ffi::webkit_web_view_send_message_to_page_finish(
                    _source_object as *mut _,
                    res,
                    &mut error,
                );
                let result = if error.is_null() {
                    Ok(from_glib_full(ret))
                } else {
                    Err(from_glib_full(error))
                };
                let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
                    Box_::from_raw(user_data as *mut _);
                let callback: P = callback.into_inner();
                callback(result);
            }
        }
        let callback = send_message_to_page_trampoline::<P>;
        unsafe {
            ffi::webkit_web_view_send_message_to_page(
                self.as_ref().to_glib_none().0,
                message.to_glib_none().0,
                cancellable.map(|p| p.as_ref()).to_glib_none().0,
                Some(callback),
                Box_::into_raw(user_data) as *mut _,
            );
        }
    }

    fn send_message_to_page_future(
        &self,
        message: &UserMessage,
    ) -> Pin<Box_<dyn std::future::Future<Output = Result<UserMessage, glib::Error>> + 'static>>
    {
        let message = message.clone();
        Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
            obj.send_message_to_page(&message, Some(cancellable), move |res| {
                send.resolve(res);
            });
        }))
    }

    #[doc(alias = "webkit_web_view_set_background_color")]
    fn set_background_color(&self, rgba: &gdk::RGBA) {
        unsafe {
            ffi::webkit_web_view_set_background_color(
                self.as_ref().to_glib_none().0,
                rgba.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_set_camera_capture_state")]
    #[doc(alias = "camera-capture-state")]
    fn set_camera_capture_state(&self, state: MediaCaptureState) {
        unsafe {
            ffi::webkit_web_view_set_camera_capture_state(
                self.as_ref().to_glib_none().0,
                state.into_glib(),
            );
        }
    }

    #[doc(alias = "webkit_web_view_set_cors_allowlist")]
    fn set_cors_allowlist(&self, allowlist: &[&str]) {
        unsafe {
            ffi::webkit_web_view_set_cors_allowlist(
                self.as_ref().to_glib_none().0,
                allowlist.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_set_custom_charset")]
    fn set_custom_charset(&self, charset: Option<&str>) {
        unsafe {
            ffi::webkit_web_view_set_custom_charset(
                self.as_ref().to_glib_none().0,
                charset.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_set_display_capture_state")]
    #[doc(alias = "display-capture-state")]
    fn set_display_capture_state(&self, state: MediaCaptureState) {
        unsafe {
            ffi::webkit_web_view_set_display_capture_state(
                self.as_ref().to_glib_none().0,
                state.into_glib(),
            );
        }
    }

    #[doc(alias = "webkit_web_view_set_editable")]
    #[doc(alias = "editable")]
    fn set_editable(&self, editable: bool) {
        unsafe {
            ffi::webkit_web_view_set_editable(self.as_ref().to_glib_none().0, editable.into_glib());
        }
    }

    #[doc(alias = "webkit_web_view_set_input_method_context")]
    fn set_input_method_context(&self, context: Option<&impl IsA<InputMethodContext>>) {
        unsafe {
            ffi::webkit_web_view_set_input_method_context(
                self.as_ref().to_glib_none().0,
                context.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_set_is_muted")]
    #[doc(alias = "is-muted")]
    fn set_is_muted(&self, muted: bool) {
        unsafe {
            ffi::webkit_web_view_set_is_muted(self.as_ref().to_glib_none().0, muted.into_glib());
        }
    }

    #[doc(alias = "webkit_web_view_set_microphone_capture_state")]
    #[doc(alias = "microphone-capture-state")]
    fn set_microphone_capture_state(&self, state: MediaCaptureState) {
        unsafe {
            ffi::webkit_web_view_set_microphone_capture_state(
                self.as_ref().to_glib_none().0,
                state.into_glib(),
            );
        }
    }

    #[doc(alias = "webkit_web_view_set_settings")]
    #[doc(alias = "settings")]
    fn set_settings(&self, settings: &Settings) {
        unsafe {
            ffi::webkit_web_view_set_settings(
                self.as_ref().to_glib_none().0,
                settings.to_glib_none().0,
            );
        }
    }

    #[doc(alias = "webkit_web_view_set_zoom_level")]
    #[doc(alias = "zoom-level")]
    fn set_zoom_level(&self, zoom_level: f64) {
        unsafe {
            ffi::webkit_web_view_set_zoom_level(self.as_ref().to_glib_none().0, zoom_level);
        }
    }

    #[doc(alias = "webkit_web_view_stop_loading")]
    fn stop_loading(&self) {
        unsafe {
            ffi::webkit_web_view_stop_loading(self.as_ref().to_glib_none().0);
        }
    }

    #[doc(alias = "webkit_web_view_terminate_web_process")]
    fn terminate_web_process(&self) {
        unsafe {
            ffi::webkit_web_view_terminate_web_process(self.as_ref().to_glib_none().0);
        }
    }

    #[doc(alias = "webkit_web_view_try_close")]
    fn try_close(&self) {
        unsafe {
            ffi::webkit_web_view_try_close(self.as_ref().to_glib_none().0);
        }
    }

    #[doc(alias = "web-context")]
    fn web_context(&self) -> Option<WebContext> {
        ObjectExt::property(self.as_ref(), "web-context")
    }

    #[doc(alias = "authenticate")]
    fn connect_authenticate<F: Fn(&Self, &AuthenticationRequest) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn authenticate_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &AuthenticationRequest) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            request: *mut ffi::WebKitAuthenticationRequest,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(request),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"authenticate".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    authenticate_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "close")]
    fn connect_close<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn close_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"close".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    close_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "context-menu")]
    fn connect_context_menu<F: Fn(&Self, &ContextMenu, &HitTestResult) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn context_menu_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &ContextMenu, &HitTestResult) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            context_menu: *mut ffi::WebKitContextMenu,
            hit_test_result: *mut ffi::WebKitHitTestResult,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(context_menu),
                    &from_glib_borrow(hit_test_result),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"context-menu".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    context_menu_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "context-menu-dismissed")]
    fn connect_context_menu_dismissed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn context_menu_dismissed_trampoline<
            P: IsA<WebView>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"context-menu-dismissed".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    context_menu_dismissed_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "create")]
    fn connect_create<F: Fn(&Self, &NavigationAction) -> Option<gtk::Widget> + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn create_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &NavigationAction) -> Option<gtk::Widget> + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            navigation_action: *mut ffi::WebKitNavigationAction,
            f: glib::ffi::gpointer,
        ) -> *mut gtk::ffi::GtkWidget {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(navigation_action),
                )
                .to_glib_full()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"create".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    create_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "decide-policy")]
    fn connect_decide_policy<
        F: Fn(&Self, &PolicyDecision, PolicyDecisionType) -> bool + 'static,
    >(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn decide_policy_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &PolicyDecision, PolicyDecisionType) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            decision: *mut ffi::WebKitPolicyDecision,
            decision_type: ffi::WebKitPolicyDecisionType,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(decision),
                    from_glib(decision_type),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"decide-policy".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    decide_policy_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "enter-fullscreen")]
    fn connect_enter_fullscreen<F: Fn(&Self) -> bool + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn enter_fullscreen_trampoline<
            P: IsA<WebView>,
            F: Fn(&P) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref()).into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"enter-fullscreen".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    enter_fullscreen_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[cfg_attr(feature = "v2_46", deprecated = "Since 2.46")]
    #[doc(alias = "insecure-content-detected")]
    fn connect_insecure_content_detected<F: Fn(&Self, InsecureContentEvent) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn insecure_content_detected_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, InsecureContentEvent) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            event: ffi::WebKitInsecureContentEvent,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    from_glib(event),
                )
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"insecure-content-detected".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    insecure_content_detected_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "leave-fullscreen")]
    fn connect_leave_fullscreen<F: Fn(&Self) -> bool + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn leave_fullscreen_trampoline<
            P: IsA<WebView>,
            F: Fn(&P) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref()).into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"leave-fullscreen".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    leave_fullscreen_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "load-changed")]
    fn connect_load_changed<F: Fn(&Self, LoadEvent) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn load_changed_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, LoadEvent) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            load_event: ffi::WebKitLoadEvent,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    from_glib(load_event),
                )
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"load-changed".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    load_changed_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "load-failed")]
    fn connect_load_failed<F: Fn(&Self, LoadEvent, &str, &glib::Error) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn load_failed_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, LoadEvent, &str, &glib::Error) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            load_event: ffi::WebKitLoadEvent,
            failing_uri: *mut std::ffi::c_char,
            error: *mut glib::ffi::GError,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    from_glib(load_event),
                    &glib::GString::from_glib_borrow(failing_uri),
                    &from_glib_borrow(error),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"load-failed".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    load_failed_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "load-failed-with-tls-errors")]
    fn connect_load_failed_with_tls_errors<
        F: Fn(&Self, &str, &gio::TlsCertificate, gio::TlsCertificateFlags) -> bool + 'static,
    >(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn load_failed_with_tls_errors_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &str, &gio::TlsCertificate, gio::TlsCertificateFlags) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            failing_uri: *mut std::ffi::c_char,
            certificate: *mut gio::ffi::GTlsCertificate,
            errors: gio::ffi::GTlsCertificateFlags,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &glib::GString::from_glib_borrow(failing_uri),
                    &from_glib_borrow(certificate),
                    from_glib(errors),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"load-failed-with-tls-errors".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    load_failed_with_tls_errors_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "mouse-target-changed")]
    fn connect_mouse_target_changed<F: Fn(&Self, &HitTestResult, u32) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn mouse_target_changed_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &HitTestResult, u32) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            hit_test_result: *mut ffi::WebKitHitTestResult,
            modifiers: std::ffi::c_uint,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(hit_test_result),
                    modifiers,
                )
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"mouse-target-changed".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    mouse_target_changed_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "permission-request")]
    fn connect_permission_request<F: Fn(&Self, &PermissionRequest) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn permission_request_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &PermissionRequest) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            request: *mut ffi::WebKitPermissionRequest,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(request),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"permission-request".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    permission_request_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "print")]
    fn connect_print<F: Fn(&Self, &PrintOperation) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn print_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &PrintOperation) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            print_operation: *mut ffi::WebKitPrintOperation,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(print_operation),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"print".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    print_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "query-permission-state")]
    fn connect_query_permission_state<F: Fn(&Self, &PermissionStateQuery) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn query_permission_state_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &PermissionStateQuery) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            query: *mut ffi::WebKitPermissionStateQuery,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(query),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"query-permission-state".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    query_permission_state_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "ready-to-show")]
    fn connect_ready_to_show<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn ready_to_show_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"ready-to-show".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    ready_to_show_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "resource-load-started")]
    fn connect_resource_load_started<F: Fn(&Self, &WebResource, &URIRequest) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn resource_load_started_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &WebResource, &URIRequest) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            resource: *mut ffi::WebKitWebResource,
            request: *mut ffi::WebKitURIRequest,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(resource),
                    &from_glib_borrow(request),
                )
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"resource-load-started".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    resource_load_started_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "run-as-modal")]
    fn connect_run_as_modal<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn run_as_modal_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"run-as-modal".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    run_as_modal_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "run-color-chooser")]
    fn connect_run_color_chooser<F: Fn(&Self, &ColorChooserRequest) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn run_color_chooser_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &ColorChooserRequest) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            request: *mut ffi::WebKitColorChooserRequest,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(request),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"run-color-chooser".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    run_color_chooser_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "run-file-chooser")]
    fn connect_run_file_chooser<F: Fn(&Self, &FileChooserRequest) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn run_file_chooser_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &FileChooserRequest) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            request: *mut ffi::WebKitFileChooserRequest,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(request),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"run-file-chooser".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    run_file_chooser_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "script-dialog")]
    fn connect_script_dialog<F: Fn(&Self, &ScriptDialog) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn script_dialog_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &ScriptDialog) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            dialog: *mut ffi::WebKitScriptDialog,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(dialog),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"script-dialog".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    script_dialog_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "show-notification")]
    fn connect_show_notification<F: Fn(&Self, &Notification) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn show_notification_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &Notification) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            notification: *mut ffi::WebKitNotification,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(notification),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"show-notification".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    show_notification_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "show-option-menu")]
    fn connect_show_option_menu<F: Fn(&Self, &OptionMenu, &gdk::Rectangle) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn show_option_menu_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &OptionMenu, &gdk::Rectangle) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            menu: *mut ffi::WebKitOptionMenu,
            rectangle: *mut gdk::ffi::GdkRectangle,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(menu),
                    &from_glib_borrow(rectangle),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"show-option-menu".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    show_option_menu_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "submit-form")]
    fn connect_submit_form<F: Fn(&Self, &FormSubmissionRequest) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn submit_form_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &FormSubmissionRequest) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            request: *mut ffi::WebKitFormSubmissionRequest,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(request),
                )
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"submit-form".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    submit_form_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "user-message-received")]
    fn connect_user_message_received<F: Fn(&Self, &UserMessage) -> bool + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn user_message_received_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, &UserMessage) -> bool + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            message: *mut ffi::WebKitUserMessage,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    &from_glib_borrow(message),
                )
                .into_glib()
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"user-message-received".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    user_message_received_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "web-process-terminated")]
    fn connect_web_process_terminated<F: Fn(&Self, WebProcessTerminationReason) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn web_process_terminated_trampoline<
            P: IsA<WebView>,
            F: Fn(&P, WebProcessTerminationReason) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            reason: ffi::WebKitWebProcessTerminationReason,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(
                    WebView::from_glib_borrow(this).unsafe_cast_ref(),
                    from_glib(reason),
                )
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"web-process-terminated".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    web_process_terminated_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "camera-capture-state")]
    fn connect_camera_capture_state_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_camera_capture_state_trampoline<
            P: IsA<WebView>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::camera-capture-state".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_camera_capture_state_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "display-capture-state")]
    fn connect_display_capture_state_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_display_capture_state_trampoline<
            P: IsA<WebView>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::display-capture-state".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_display_capture_state_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "editable")]
    fn connect_editable_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_editable_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::editable".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_editable_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "estimated-load-progress")]
    fn connect_estimated_load_progress_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_estimated_load_progress_trampoline<
            P: IsA<WebView>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::estimated-load-progress".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_estimated_load_progress_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "favicon")]
    fn connect_favicon_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_favicon_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::favicon".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_favicon_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[cfg(feature = "v2_52")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v2_52")))]
    #[doc(alias = "is-immersive-mode-enabled")]
    fn connect_is_immersive_mode_enabled_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_is_immersive_mode_enabled_trampoline<
            P: IsA<WebView>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::is-immersive-mode-enabled".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_is_immersive_mode_enabled_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "is-loading")]
    fn connect_is_loading_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_is_loading_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::is-loading".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_is_loading_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "is-muted")]
    fn connect_is_muted_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_is_muted_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::is-muted".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_is_muted_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "is-playing-audio")]
    fn connect_is_playing_audio_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_is_playing_audio_trampoline<
            P: IsA<WebView>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::is-playing-audio".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_is_playing_audio_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "is-web-process-responsive")]
    fn connect_is_web_process_responsive_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_is_web_process_responsive_trampoline<
            P: IsA<WebView>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::is-web-process-responsive".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_is_web_process_responsive_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "microphone-capture-state")]
    fn connect_microphone_capture_state_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_microphone_capture_state_trampoline<
            P: IsA<WebView>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::microphone-capture-state".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_microphone_capture_state_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "page-id")]
    fn connect_page_id_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_page_id_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::page-id".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_page_id_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "settings")]
    fn connect_settings_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_settings_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::settings".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_settings_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[cfg(feature = "v2_50")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v2_50")))]
    #[doc(alias = "theme-color")]
    fn connect_theme_color_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_theme_color_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::theme-color".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_theme_color_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "title")]
    fn connect_title_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_title_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::title".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_title_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "uri")]
    fn connect_uri_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_uri_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::uri".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_uri_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "zoom-level")]
    fn connect_zoom_level_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_zoom_level_trampoline<P: IsA<WebView>, F: Fn(&P) + 'static>(
            this: *mut ffi::WebKitWebView,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            unsafe {
                let f: &F = &*(f as *const F);
                f(WebView::from_glib_borrow(this).unsafe_cast_ref())
            }
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                c"notify::zoom-level".as_ptr(),
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_zoom_level_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl<O: IsA<WebView>> WebViewExt for O {}