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Fix error trapping in events.feedkeys.

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--HG--
branch : bootstrapped
This commit is contained in:
Kris Maglione
2010-12-27 01:49:10 -05:00
parent 15b2909bc1
commit 163539ab29
3 changed files with 19 additions and 13 deletions
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12
common/modules/util.jsm
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@@ -355,13 +355,15 @@ var Util = Module("Util", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
while (!(node instanceof Ci.nsIDOMElement) && node.parentNode)
node = node.parentNode;
try {
return node.ownerDocument.defaultView.getComputedStyle(node, null);
var res = node.ownerDocument.defaultView.getComputedStyle(node, null);
}
catch (e) {
util.reportError(e);
util.dump(String(node));
catch (e) {}
if (res == null) {
util.dumpStack("Computed style is null: " + node);
Cu.reportError(Error("Computed style is null: " + node));
return {};
}
return res;
},
/**
@@ -484,7 +486,7 @@ var Util = Module("Util", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
*/
dumpStack: function dumpStack(msg, frames) {
let stack = util.stackLines(Error().stack);
stack = stack.slice(2, 2 + (frames || 0)).join("\n");
stack = stack.slice(2, 2 + (frames || stack.length)).join("\n");
util.dump((arguments.length == 0 ? "Stack" : msg) + "\n" + stack + "\n");
},