Notification: don't expand the content on a destroyed notification

If the notification is destroyed between an allocate and the redraw,
the meta_later is invoked on a destroyed object, and fails because
the clutter calls are invalid at that point.

https://bugzilla.gnome.org/show_bug.cgi?id=722547

diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index 6503611154cc64dc908f965bca1d39e2c10440e8..f3806b7e674ac52ae0f3a3aabfbaf8429282bc98 100644 (file)
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -1001,6 +1001,9 @@ const Notification = new Lang.Class({
             Meta.later_add(Meta.LaterType.BEFORE_REDRAW,
                            Lang.bind(this,
                                      function() {
+                                         if (this._destroyed)
+                                             return false;
+
                                         if (this._canExpandContent()) {
                                             this._addBannerBody();
                                             this._table.add_style_class_name('multi-line-notification');