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Fix observer cleanup issue.

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This commit is contained in:
Kris Maglione
2013-03-24 11:39:42 -07:00
parent 3fbfb910e1
commit b5ffc5680d
1 changed files with 8 additions and 3 deletions
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11
common/modules/storage.jsm
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@@ -276,10 +276,15 @@ var Storage = Module("Storage", {
},
removeDeadObservers: function () {
function filter(o) {
if (!o.callback.get())
return false;
let ref = o.ref && o.ref.get();
return ref && !ref.closed && overlay.getData(ref, "storage-refs", null);
}
for (let [key, ary] in Iterator(this.observers)) {
this.observers[key] = ary = ary.filter(function (o) o.callback.get()
&& (!o.ref || o.ref.get()
&& overlay.getData(o.ref.get(), "storage-refs", null)));
this.observers[key] = ary = ary.filter(filter);
if (!ary.length)
delete this.observers[key];
}