[epiphany/pgriffis/web-extension/menus: 3/4] WebExtensions: Delay adding user scripts until script world is initialized

[Marge Bot <marge-bot src gnome org>]

commit d7df953973aa2b211379be902b4579829c977390
Author: Patrick Griffis <pgriffis igalia com>
Date:   Fri Jun 24 12:38:29 2022 -0500

    WebExtensions: Delay adding user scripts until script world is initialized
    
    Part-of: <https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1154>

 src/webextension/ephy-web-extension-manager.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)
---
diff --git a/src/webextension/ephy-web-extension-manager.c b/src/webextension/ephy-web-extension-manager.c
index 1112e371d..dae10db98 100644
--- a/src/webextension/ephy-web-extension-manager.c
+++ b/src/webextension/ephy-web-extension-manager.c
@@ -768,6 +768,17 @@ update_translations (EphyWebExtension *web_extension)
                                                                               g_variant_new ("(ss)", 
ephy_web_extension_get_guid (web_extension), data)));
 }
 
+static void
+send_to_page_ready_cb (WebKitWebView    *web_view,
+                       GAsyncResult     *result,
+                       EphyWebExtension *web_extension)
+{
+  g_autoptr (WebKitUserMessage) response = webkit_web_view_send_message_to_page_finish (web_view, result, 
NULL);
+
+  update_translations (web_extension);
+  add_content_scripts (web_extension, EPHY_WEB_VIEW (web_view));
+}
+
 static void
 ephy_web_extension_manager_add_web_extension_to_webview (EphyWebExtensionManager *self,
                                                          EphyWebExtension        *web_extension,
@@ -800,10 +811,7 @@ ephy_web_extension_manager_add_web_extension_to_webview (EphyWebExtensionManager
 
   webkit_web_view_send_message_to_page (WEBKIT_WEB_VIEW (web_view),
                                         webkit_user_message_new ("WebExtension.Initialize", 
g_variant_new_string (ephy_web_extension_get_guid (web_extension))),
-                                        NULL, NULL, NULL);
-
-  update_translations (web_extension);
-  add_content_scripts (web_extension, web_view);
+                                        NULL, (GAsyncReadyCallback)send_to_page_ready_cb, web_extension);
 }
 
 static void