- From: Arvind Jain <arvind@google.com>
- Date: Thu, 12 May 2011 22:52:23 -0700
- To: Sigbjørn Vik <sigbjorn@opera.com>
- Cc: "public-web-perf@w3.org" <public-web-perf@w3.org>
Re. using Document vs. Window, do we have consensus on using Document? Could folks express any concerns they may have with using Document? Thanks, Arvind On Thu, May 12, 2011 at 1:09 AM, Sigbjørn Vik <sigbjorn@opera.com> wrote: > On Wed, 11 May 2011 23:57:16 +0200, Karen Anderson (IE) > <Karen.Anderson@microsoft.com> wrote: > >> Regarding the conversation around whether the visibilityState should be >> PAGE_HIDDEN vs PAGE_VISIBLE in the case that the window is not minimized but >> is fully obscured by another window: We all seem to agree that this >> detection is hard and has odd meaning implications for mobile or tablet >> devices, but furthermore, I brought up the following point on today's call. >> Many, if not most, accessibility tools completely overlap the target >> window. For example, magnifier applications demonstrate this. And >> depending on the screen resolution, on-screen keyboards also have the >> possible effect of covering the entire window. There could be other >> scenarios as well. Given this, we should report visible for any >> non-minimized window, obscured or not. > > The browser might have more information, particularily in the case of > multiple tabs and/or windows it might know that a tab/window obscured by > another tab/window is fully hidden, even though it is not minimized. The > spec could leave it up to the browser with wording like the following: > HIDDEN: Used when the browser is confident that no part of the page is > visible to the user, for instance when the page is minimized or completely > covered by another page. An explanation that being hidden by other > applications might not indicate hidden to the user might also be needed. > > > -- > Sigbjørn Vik > Quality Assurance > Opera Software > >
Received on Friday, 13 May 2011 05:52:50 UTC