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Clone arrays assigned to "live" properties, partially to deal with issues with horrid Sandbox proxies and partly for other somewhat obvious reasons.

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This commit is contained in:
Kris Maglione
2011-02-04 15:56:23 -05:00
parent e514899d23
commit 6a3d5dcfce
3 changed files with 11 additions and 3 deletions
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10
common/modules/highlight.jsm
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@@ -18,8 +18,14 @@ var Highlight = Struct("class", "selector", "sites",
Highlight.liveProperty = function (name, prop) {
this.prototype.__defineGetter__(name, function () this.get(name));
this.prototype.__defineSetter__(name, function (val) {
if (isObject(val) && name !== "style" && Object.freeze)
Object.freeze(val);
if (isObject(val) && name !== "style") {
if (isArray(val))
val = Array.slice(val);
else
val = update({}, val);
if (Object.freeze)
Object.freeze(val);
}
this.set(name, val);
if (name === "value" || name === "extends")