Refactor ScrollBar not to use iframes

flaretailjs / flaretail.js

A JavaScript library for Firefox application development, consisting of WAI-ARIA-driven accessible widgets, a lightweight app framework, and convenient utility functions.

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Refactor ScrollBar not to use iframes #39

Closed kyoshino closed 8 years ago

kyoshino commented 8 years ago

Using a bunch of <iframe>s is not e10s-friendly, and the MozScrolledAreaChanged event is Gecko-specific. Rewrite the resize detector using requestAnimationFrame as explained in the resize doc. Blocks https://github.com/bzdeck/bzdeck/issues/368.

kyoshino commented 8 years ago

Performance issue: requestAnimationFrame should not be used by each ScrollBar instance.