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js: Use (dis)connectObject()

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Start using the new methods to simplify signal cleanup. For now,
focus on replacing existing cleanups; in most cases this means
signals connected in the constructor and disconnected on destroy,
but also other cases with a similarly defined lifetime (say: from
show to hide).

This doesn't change signal connections that only exist for a short
time (say: once), handlers that are connected on-demand (say: the
first time a particular method is called), or connections that
aren't tracked (read: disconnected) at all.

We will eventually replace the latter with connectObject() as
well - especially from actor subclasses - but the changeset is
already big enough as-is :-)

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1953>
This commit is contained in:
Florian Müllner
2021-08-16 00:36:59 +02:00
committed by Marge Bot
parent f45ccc9143
commit 26235bbe54
54 changed files with 753 additions and 1674 deletions
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14
js/ui/lightbox.js
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@ -152,8 +152,9 @@ var Lightbox = GObject.registerClass({
}));
}
this._actorAddedSignalId = container.connect('actor-added', this._actorAdded.bind(this));
this._actorRemovedSignalId = container.connect('actor-removed', this._actorRemoved.bind(this));
container.connectObject(
'actor-added', this._actorAdded.bind(this),
'actor-removed', this._actorRemoved.bind(this), this);
this._highlighted = null;
}
@ -283,15 +284,6 @@ var Lightbox = GObject.registerClass({
* by destroying its container or by explicitly calling this.destroy().
*/
_onDestroy() {
if (this._actorAddedSignalId) {
this._container.disconnect(this._actorAddedSignalId);
this._actorAddedSignalId = 0;
}
if (this._actorRemovedSignalId) {
this._container.disconnect(this._actorRemovedSignalId);
this._actorRemovedSignalId = 0;
}
this.highlight(null);
}
});