1439609 - Downloads Panel overlaps the Linux menu bar

Status: NEW

(Core :: Widget: Gtk, defect, P5)

Description

[Cristian Comorasu, QA [:ccomorasu], Releae Desktop QA - Please contact [e-mail]]

[Affected versions]:
 Fx 60.0a1
 Fx 59.0b11

[Affected platforms]:
 Ubuntu 16.04 LTS
 Ubuntu 14.04 LTS

[Steps to reproduce]:
 1. Launch Firefox
 2. From "Customize" move the Downloads Panel to the left site of the browser.
 3. Minimize the browser to 3/4 of the screen.
 4. Download an item.
 5. Open the Downloads Panel.

[Expected result]:
 The Downloads Panel changes it's direction to the right before the overlap can occur.

[Actual result]:
 The Downloads Panel overlaps the OS's menu bar.

[Regression range]:
 I will investigate as soon as possible.

[Additional notes]: 
 a. Gif with the issue: https://imgur.com/a/Wg6XC
 b. This issue is not reproducible with mac OS X, nor Windows.

Comment 1

[Stefania]

The issue is not a recent regression, as it is reproducible all the way back to (2014-01-03).
Here are the results found with mozregression:

Last good revision: 540d85f60c57 (2014-01-02)
First bad revision: 49d2fce9a86c (2014-01-03)
Pushlog:
http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=540d85f60c57&tochange=49d2fce9a86c

Comment 2

[Cristian Comorasu, QA [:ccomorasu], Releae Desktop QA - Please contact [e-mail]]

Thank you, Stefania!

Comment 3

[:Gijs (he/him)]

This works on Windows and macOS with the dock / taskbar on the left, so I think this is a gtk bug with how it indicates available space.