Method createWebView

core/ui/UIWebView/UIWebViewImpl-linux.cpp:383–467

    }

    bool createWebView(const ContinueUrlCallback_t& shouldStartLoading,
                       const GeneralUrlCallback_t& didFinishLoading,
                       const GeneralUrlCallback_t didFailLoading,
                       const GeneralUrlCallback_t& onJsCallback)
    {
        if (m_Window == nullptr)
            return false;

        m_WebView = webkit_web_view_new();
        if (m_WebView == nullptr)
            return false;

        WebKitUserContentManager* manager = m_UserContentManager =
            webkit_web_view_get_user_content_manager(WEBKIT_WEB_VIEW(m_WebView));
        if (manager == nullptr)
            return false;

        g_signal_connect(manager, "script-message-received::__webview__",
                         G_CALLBACK(+[](WebKitUserContentManager*, WebKitJavascriptResult* r, gpointer arg) {
                             auto* w = static_cast<GTKWebKit*>(arg);
                             // webkit2 2.22+
                             JSCValue* value = webkit_javascript_result_get_js_value(r);
                             char* s         = jsc_value_to_string(value);
                             w->onMessage(s);
                             g_free(s);
                         }),
                         this);
        webkit_user_content_manager_register_script_message_handler(manager, "__webview__");
        initScript("function(message){return window.webkit.messageHandlers.__webview__.postMessage(message);}");

        m_ShouldStartLoading = shouldStartLoading;
        m_DidFinishLoading   = didFinishLoading;
        m_DidFailLoading     = didFailLoading;
        m_OnJsCallback       = onJsCallback;
        g_signal_connect(m_WebView, "load-changed",
                         G_CALLBACK(+[](WebKitWebView* webView, WebKitLoadEvent loadEvent, gpointer userData) {
                             auto thiz = static_cast<GTKWebKit*>(userData);
                             switch (loadEvent)
                             {
                             case WEBKIT_LOAD_COMMITTED:
                             {
                                 std::string_view uri = webkit_web_view_get_uri(webView);
                                 const auto scheme    = uri.substr(0, uri.find_first_of(':'));

                                 if (scheme == thiz->m_JsScheme)
                                 {
                                     thiz->m_OnJsCallback(uri);
                                     return;
                                 }

                                 if (!thiz->m_ShouldStartLoading(uri))
                                     webkit_web_view_stop_loading(webView);
                                 break;
                             }
                             case WEBKIT_LOAD_FINISHED:
                             {
                                 std::string_view uri = webkit_web_view_get_uri(webView);
                                 thiz->m_DidFinishLoading(uri);