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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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12
js/ui/shellEntry.js
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@ -174,20 +174,14 @@ class CapsLockWarning extends St.Label {
this.connect('notify::mapped', () => {
if (this.is_mapped()) {
this._stateChangedId = this._keymap.connect('state-changed',
() => this._sync(true));
this._keymap.connectObject(
'state-changed', () => this._sync(true), this);
} else {
this._keymap.disconnect(this._stateChangedId);
this._stateChangedId = 0;
this._keymap.disconnectObject(this);
}
this._sync(false);
});
this.connect('destroy', () => {
if (this._stateChangedId)
this._keymap.disconnect(this._stateChangedId);
});
}
_sync(animate) {