https://bugzilla.wikimedia.org/show_bug.cgi?id=71609
Bug ID: 71609
Summary: OOjs UI: Scrolling elements into view does not work in
most cases
Product: OOjs UI
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: major
Priority: Unprioritized
Component: General
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
Web browser: ---
Mobile Platform: ---
Scrolling elements into view does not work in most cases; in fact it seems to
depend on some Blink-specific behaviors and thus only works reliably on Blink.
In particular, the code below doesn't scroll the page at all when it clearly
should. (Adjust the numbers to be large enough for your screen.)
var el = new OO.ui.Element( { text: 'Test' } );
el.$element.css( { position: 'absolute', left: 2000, top: 3000 } );
el.$element.appendTo( 'body' );
el.scrollElementIntoView();
Bug 71540 in VE is another case, the page is only scrolled horizontally in
Blink (although vertical scrolling works).
I haven't investigated closely, but getClosestScrollableContainer() hard-codes
document's body for some cases, and apparently browsers prefer to scroll
documentElement instead.
(Prior to bug 54928 it fell back on window, and Krinkle's comments on that bug
claim that jQuery can't animate scrolling on documentElement. I haven't
verified that.)
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