1622547 - Exiting a previously full-screened PiP video will display the window controls for a moment before the PiP window closes

Status: NEW

(Core :: Widget: Win32, defect, P3)

Description

[Itiel]

STR on Windows 10:

1. Make sure you're on an up-to-date Nightly with bug 1607882 included
2. Open the "See our community in action" video at https://www.mozilla.org/en-US/contribute/
3. Double click the video to enter full screen
4. Double click the full-screened video to exit full screen
5. Click the PiP window's X close button

AR:
You can see for a moment the window controls around the PiP window.

ER:
The PiP window should close the same way it does when the video is not previously full-screened.

https://gfycat.com/greeninfantilebeauceron

Comment 1

[Jared Wein [:jaws] (please needinfo? me)]

Bug 1607882 didn't make any changes to the native window features so I suspect that this issue has existed for a long time with fullscreen elements, just that many Windows users usually have a maximized window and so wouldn't have noticed the window border appearing briefly.

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

The priority flag is not set for this bug.
:jimm, could you have a look please?

For more information, please visit auto_nag documentation.

Comment 3

[Firefox Bug Husbandry Bot]

Because this bug's Severity has not been changed from the default since it was filed, and it's Priority is P3 (Backlog,) indicating it has been triaged, the bug's Severity is being updated to S3 (normal.)