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tubestation/servo/components/script/dom
jmr0 23a90f54a8 servo: Merge #10225 - Implement non-visible pipeline and iframe visibility methods (from jmr0:visibility_api); r=jdm
This addresses #9566 and a good part of #9751, specifically:

* Pipeline has a notion of visibility
* IFrame setVisible/getVisible interface with IFrame's pipeline visibility
* IFrame mozbrowservisibilitychange responds to changes in visibility
* Pipeline visibility is used to limit animations (requestAnimationFrame does not tick animations when hidden) and to increase timer intervals (currently set to a minimum of 1 second while hidden)

Absent for now are any changes to the Document API and general implementation of the Page Visibility API, since the more interesting parts require knowledge of whether the user agent is minimized, OS screen locked, etc.

cc @paulrouget @jdm

Source-Repo: https://github.com/servo/servo
Source-Revision: d620ab71c41431c3fb040162f554faefb9abfbd7
2016-06-16 08:53:56 -05:00
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