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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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6
js/ui/backgroundMenu.js
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@ -56,14 +56,12 @@ function addBackgroundMenu(actor, layoutManager) {
});
actor.add_action(clickAction);
let grabOpBeginId = global.display.connect('grab-op-begin', () => {
clickAction.release();
});
global.display.connectObject('grab-op-begin',
() => clickAction.release(), actor);
actor.connect('destroy', () => {
actor._backgroundMenu.destroy();
actor._backgroundMenu = null;
actor._backgroundManager = null;
global.display.disconnect(grabOpBeginId);
});
}