environment: Hook up touch_file to GFile prototype

We don't usually extend introspected types with our own API, but in
this case it's too tempting to make the helper functions usable with
Gio._promisify() ...

https://gitlab.gnome.org/GNOME/gnome-shell/issues/2432

diff --git a/js/ui/environment.js b/js/ui/environment.js
index 0450f79328b338617f87e82b16e53622b3aa7289..6764bd279703f183c21b3ae77e816e96b51acfda 100644 (file)
--- a/js/ui/environment.js
+++ b/js/ui/environment.js
@@ -10,7 +10,7 @@ imports.gi.versions.Gtk = '3.0';
 imports.gi.versions.TelepathyGLib = '0.12';
 imports.gi.versions.TelepathyLogger = '0.2';
 
-const { Clutter, GLib, GObject, Meta, Shell, St } = imports.gi;
+const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
 const Gettext = imports.gettext;
 const System = imports.system;
 
@@ -288,6 +288,13 @@ function init() {
         },
     });
 
+    Gio._LocalFilePrototype.touch_async = function (callback) {
+        Shell.util_touch_file_async(this, callback);
+    };
+    Gio._LocalFilePrototype.touch_finish = function (result) {
+        return Shell.util_touch_file_finish(this, result);
+    };
+
     St.set_slow_down_factor = function (factor) {
         let { stack } = new Error();
         log(`St.set_slow_down_factor() is deprecated, use St.Settings.slow_down_factor\n${stack}`);