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layout: Range-check index before array lookup

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findMonitorForActor() may be called before the layoutManager gets
to initialize monitors, so make sure the monitor index is in range
to avoid a warning.

https://bugzilla.gnome.org/show_bug.cgi?id=781471
This commit is contained in:
Florian Müllner 2017-06-13 05:39:06 +02:00
parent f33560f014
commit 1ba014d9db
1 changed files with 4 additions and 1 deletions
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5
js/ui/layout.js
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@ -896,7 +896,10 @@ const LayoutManager = new Lang.Class({
},
findMonitorForActor: function(actor) {
return this.monitors[this.findIndexForActor(actor)];
let index = this.findIndexForActor(actor);
if (index >= 0 && index < this.monitors.length)
return this.monitors[index];
return null;
},
_queueUpdateRegions: function() {