From: Florian Müllner <fmuellner@gnome.org>
Date: Tue, 19 May 2020 18:59:36 +0000 (+0200)
Subject: environment: Monkey-patch iterate_children() generator
X-Git-Tag: archive/raspbian/50.5-1+rpi1~1^2~684^2^2~378
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=8d4e650a95a0fb0a3552ec316270185a84864c5a;p=gnome-shell.git

environment: Monkey-patch iterate_children() generator

This is a small convenience method for using ClutterActor's iterator API
with javascript's built-in iterator protocol, for example as:

  for (let child of container.iterate_children())
      doStuff(child);

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1268
---

diff --git a/js/ui/environment.js b/js/ui/environment.js
index 4a1231402..44a92db36 100644
--- a/js/ui/environment.js
+++ b/js/ui/environment.js
@@ -285,6 +285,11 @@ function init() {
         _easeActorProperty(this, 'value', target, params);
     };
 
+    Clutter.Actor.prototype.iterate_children = function* () {
+        for (let c = this.get_first_child(); c; c = c.get_next_sibling())
+            yield c;
+    };
+
     Clutter.Actor.prototype.toString = function () {
         return St.describe_actor(this);
     };