Page MenuHomePhabricator
Create Task
Maniphest T138180

Language bar stretches when scrolling on Chrome on iOS
Closed, DeclinedPublic
Actions

Description

When scrolling a translated page in Mobile Safari (iOS 9.3.2; iPhone), the language bar grows for no apparent reason.

It grows more than the scroll offset (e.g. 2 or 3px for every scrolled pixel).

When scrolling quickly it doesn't happen as much since it presumably debounces and only looks at the last scroll event or something like that. When scrolling slowly, it can grow to take up the entire screen.

IMG_5520.jpg (1×640 px, 70 KB)

Consistently reproducible for me in Chrome for iOS on an iPhone running iOS 9.3.2 (currently latest).

Event Timeline

Krinkle created this task.Jun 19 2016, 7:30 PM
Restricted Application added subscribers: Zppix, Aklapper. · View Herald TranscriptJun 19 2016, 7:30 PM
Nikerabbit subscribed.Jun 19 2016, 8:03 PM

There is no JavaScript for this in Translate. I am suspecting it may be some local customization. Does this happen in other wikis than Wikimania2016?

Nikerabbit added a comment.Jun 20 2016, 8:53 AM

I cannot reproduce in crossbrowsertesting. I do not what 9.x version it has though.

Krinkle added a comment.EditedJun 29 2016, 1:15 AM
In T138180#2392474, @Nikerabbit wrote:

Does this happen in other wikis than Wikimania2016?

Yes, I can reproduce it on mediawiki.org as well. I can't reproduce it on Mobile Safari though, only in Chrome on iOS.

https://wikimania2016.wikimedia.org/wiki/Journey
https://wikimania2016.wikimedia.org/wiki/Journey/Train
https://www.mediawiki.org/wiki/Manual:Contents

IMG_5796.PNG (1×640 px, 123 KB)

I assume it happens on any Translate page.

Krinkle added a comment.EditedJun 29 2016, 2:03 AM

I created a static copy of this page (and removed all JavaScript) - http://codepen.io/Krinkle/debug/VjpdJw

I can still reproduce it there.

IMG_5797.PNG (1×640 px, 173 KB)

Filed upstream at https://bugs.chromium.org/p/chromium/issues/detail?id=624244

Krinkle renamed this task from Language bar stretches when scrolling on Mobile Safari to Language bar stretches when scrolling on Chrome on iOS.Jun 29 2016, 2:05 AM
Krinkle updated the task description. (Show Details)
Peachey88 added a project: Upstream.Jun 29 2016, 6:53 AM
Volker_E subscribed.Jun 30 2016, 9:18 AM
Volker_E added a comment.Jun 30 2016, 9:32 AM

Nice one. Not reproducible in iOS9/Chrome 47.x on BrowserStack.

Nikerabbit triaged this task as Medium priority.Aug 4 2016, 8:15 AM
Nikerabbit moved this task from Backlog to page translation on the MediaWiki-extensions-Translate board.

Upstream is asking for a minimal test case to make case for their upstream.

Nikerabbit closed this task as Declined.Dec 22 2020, 8:53 AM
Nikerabbit moved this task from Backlog to Reported Upstream on the Upstream board.

Upstream wontfixed. By my reading they tried using emulators which do not exhibit this bug. Sooner or later these browsers fall unsupported. I don't think we should do anything our side.

Content licensed under Creative Commons Attribution-ShareAlike (CC BY-SA) 4.0 unless otherwise noted; code licensed under GNU General Public License (GPL) 2.0 or later and other open source licenses. By using this site, you agree to the Terms of Use, Privacy Policy, and Code of Conduct. · Wikimedia Foundation · Privacy Policy · Code of Conduct · Terms of Use · Disclaimer · CC-BY-SA · GPL