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Issue 643131 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Sep 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug



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Content in 'Fullscreen API Demo' section is stuck after extisting fullscreen mode for 'codepen.io'.

Reported by rk...@etouch.net, Sep 1 2016

Issue description

Chrome Version: 54.0.2840.8 Revision 3c0742be8b25b0ba61b2a7cb632b3c989bd9e80b-refs/branch-heads/2840@{#91}(32/64 bit)
OS: Windows (7,8,8.1,10),Linux (14.04 LTS),Mac OS X(10.10.5, 10.11.4)

Test URL: https://codepen.io/matt-west/pen/hmqsF

What steps will reproduce the problem?
(1) Launch chrome, navigate to above url then click on 'Go Fullscreen' mode button from demo.
(2) Then click on fullscreen icon of video,then exist fullscreen mode of video.
(3) Now click on Exist fullscreen button and observe 'Fullscreen API Demo' section

Actual: Content in 'Fullscreen API Demo' section is stuck i.e.its not scrollable after clicking on 'Exist fullscreen' button.

Expected: Content in 'Fullscreen API Demo' section should be scrollable after clicking on 'Exist fullscreen' button.

This is non-regression issue, seen from 'M-40'(40.0.2172.0)

Note: Issue is not seen on other OS i.e.Mozilla Fire Fox 
 
Actual_Scroll.mp4
788 KB View Download
Expected_Mozilla.mp4
807 KB View Download
Status: Untriaged (was: Unconfirmed)
marking as Untriaged, requesting Dev team to look into the issue.

Comment 2 by bokan@chromium.org, Sep 1 2016

Cc: foolip@chromium.org
Components: Blink>Fullscreen
Labels: -OS-Linux -OS-Windows -OS-Mac
Status: Available (was: Untriaged)
Looks like the video going fullscreen clears scrollability of the previous fullscreen element (the result window iframe) and that doesn't get reset properly. +foolip@ who's done some recent work on Fullscreen API.

-OS flags as it's probably not OS specific.

Comment 3 by bokan@chromium.org, Sep 1 2016

Cc: bokan@chromium.org
bokan@, regarding "clears scrollability" did you take a look at the code or just observe what the user can see? We have this in fullscreen.css which could be related:

:root:-webkit-full-screen-ancestor {
    overflow: hidden !important;
}
I've tested whether relanding the top layer rewrite ( issue 240576 ) would fix this issue and determined that it will *not*, contrary to what I would have guessed.

Comment 6 by bokan@chromium.org, Sep 7 2016

My comment was just based on observations, no code.
Labels: Needs-Reduction
A minimized test (decoupled from codepen.io) case would be useful.
Project Member

Comment 8 by sheriffbot@chromium.org, Sep 11 2017

Labels: Hotlist-Recharge-Cold
Status: Untriaged (was: Available)
This issue has been Available for over a year. If it's no longer important or seems unlikely to be fixed, please consider closing it out. If it is important, please re-triage the issue.

Sorry for the inconvenience if the bug really should have been left as Available. If you change it back, also remove the "Hotlist-Recharge-Cold" label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Comment 9 by bokan@chromium.org, Sep 11 2017

Status: WontFix (was: Untriaged)
I can't reproduce any longer in 62.0.3202.9. I'm going to close this but feel free to chime in if you're still seeing it and I can take another look.

Comment 10 by e...@chromium.org, Sep 11 2017

No longer reproduces.

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