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Make it impossible for util.computedStyle to return null. Closes issue #180.

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This commit is contained in:
Kris Maglione
2010-12-27 01:51:33 -05:00
parent f2bcfa99ea
commit 299ff0ecb3
1 changed files with 6 additions and 4 deletions
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10
common/modules/util.jsm
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@@ -353,13 +353,15 @@ var Util = Module("Util", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
while (!(node instanceof Ci.nsIDOMElement) && node.parentNode) while (!(node instanceof Ci.nsIDOMElement) && node.parentNode)
node = node.parentNode; node = node.parentNode;
try { try {
return node.ownerDocument.defaultView.getComputedStyle(node, null); var res = node.ownerDocument.defaultView.getComputedStyle(node, null);
} }
catch (e) { catch (e) {}
util.reportError(e); if (res == null) {
util.dump(String(node)); util.dumpStack("Computed style is null: " + node);
Cu.reportError(Error("Computed style is null: " + node));
return {}; return {};
} }
return res;
}, },
/** /**