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background: Use Garbage Collector to dispose background

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The same Meta.Background could be used by multiple instances of background
actors, and so should not be disposed when the actor using it is destroyed.

Instead of calling `run_dispose` directly on it, just nullify the reference
on destroy method, leaving the job of doing the proper disposition to the
gabage collector that keeps the proper reference count on the Meta.Background.

Fixes https://gitlab.gnome.org/GNOME/gnome-shell/issues/501

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/558
This commit is contained in:
Marco Trevisan (Treviño) 2019-05-27 23:03:17 -05:00 committed by Marco Trevisan
parent 1e5a8b0cd7
commit a9234f7631
1 changed files with 2 additions and 1 deletions
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3
js/ui/background.js
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@ -265,6 +265,8 @@ var Background = class Background {
}
destroy() {
this.background = null;
this._cancellable.cancel();
this._removeAnimationTimeout();
@ -699,7 +701,6 @@ var BackgroundManager = class BackgroundManager {
time: FADE_ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete() {
oldBackgroundActor.background.run_dispose();
oldBackgroundActor.destroy();
}
});