extensions-app: Use one-shot idle/timeout functions

gjs now provides overrides for GLib's one-shot idle/timeout
functions, so use them to save a bit of code and clearly
indicate that a callback is only invoked once.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3947>

diff --git a/subprojects/extensions-app/js/extensionManager.js b/subprojects/extensions-app/js/extensionManager.js
index 3150af36419dd12e7cc402d97fa2e7641ff62437..7914aad20309b74184c03feba4078e408156363e 100644 (file)
--- a/subprojects/extensions-app/js/extensionManager.js
+++ b/subprojects/extensions-app/js/extensionManager.js
@@ -412,12 +412,11 @@ export const ExtensionManager = GObject.registerClass({
         if (this._updatesCheckId)
             return;
 
-        this._updatesCheckId = GLib.timeout_add_seconds(
+        this._updatesCheckId = GLib.timeout_add_seconds_once(
             GLib.PRIORITY_DEFAULT, 1, () => {
                 this.notify('n-updates');
 
                 delete this._updatesCheckId;
-                return GLib.SOURCE_REMOVE;
             });
     }
 });