[Webkit-unassigned] [Bug 137037] Adopt Page Visibility 2 optimizations as defined in W3C spec

Tue Sep 23 22:17:11 PDT 2014

https://bugs.webkit.org/show_bug.cgi?id=137037

--- Comment #2 from Gavin Barraclough <barraclough at apple.com>  2014-09-23 22:17:11 PST ---
Sounds great, we should do this.

> minimization of the window, backgrounding, screen savers, but could also include browser windows hidden from display, or obscured by other windows

We should have these mostly covered already, on Mac at least (& iOS, to the extent appropriate!).

> include iframes separate from the parent document, content hidden by CSS manipulation (display:none, opacity:0, visibility hidden, width/height:0),

Don't believe we have any of this yet.

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