1320535 - control center (doorhanger) may hanger while full screen switch

Status: NEW

(Toolkit :: PopupNotifications and Notification Bars, defect)

Description

[amar.lakshya]

Attachment: doorhanger.png

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:50.0) Gecko/20100101 Firefox/50.0
Build ID: 20161114144739

Steps to reproduce:

Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:50.0) Gecko/20100101 Firefox/50.0

* When in fullscreen mode, the control center doorhanger opens up normally but is mis-aligned when fullscreen mode is exited.

* Steps to reproduce-

1. Go to https://www.mozilla.org/en-US/

2. Enter Full-Screen mode

3. Move mouse upwards to the top to get the Toolbar and Click to control centeral doorhanger.

4. Now with control center door-hanger open press F11 to exit out of Full-Screen mode.

5. See the mis-aligned Door-hanger.  Click anywhere to close the doorhanger. 

This is especially terrible because now with the doorhanger mis-aligned. it covers a lot of information below it.



Actual results:

Actual Result: The doorhanger stays misaligned covering everything in the top-left corner of the screen until tab is closed. 




Expected results:

Expected Result: The doorhanger should align itself.

Comment 1

[amar.lakshya]

Can anyone tell me where the code for this will be located. I'd really like to work on this bug!

Comment 2

[Xidorn Quan [:xidorn] UTC+11]

Does it really happen on all platforms? It seems I cannot reproduce this issue on macOS and Windows.

Comment 3

[YF (Yang)]

(In reply to Xidorn Quan [:xidorn] (UTC+10) from comment #2)
> Does it really happen on all platforms? It seems I cannot reproduce this
> issue on macOS and Windows.

I can reproduce it in Win10, by switching fullscreen several times, each time waiting for a few seconds to let it move automatically.

Comment 4

[amar.lakshya]

Attachment: Another way of seeing the same bug. The doorhanger is static while the window has shifted to the right.