Created attachment 8580334 [details] progress.xul The progress bar updates its position as often as possible using requestAnimationFrame. Should CSS animation be used instead?
Is this Linux only? All of the binding code in _init should probably be removed and we should just be using the native theme rendering instead. It doesn't look like that's hooked up using -moz-appearance on Linux.
(In reply to Neil Deakin from comment #1) > Is this Linux only? The problem in bug 1003664 doesn't manifest itself in other platforms, so I'd say yes.
It looks like Linux is the only one to use this binding (apart from addon manager code on OS X for some reason): https://mxr.mozilla.org/mozilla-central/search?string=bindings%2Fprogressmeter
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