1700989 - The favicon is blank for a couple seconds if the audio stops playing while the mouse is in the tab bar

Status: VERIFIED FIXED

(Firefox :: Theme, defect, P3)

Description

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

STR:
Go to YouTube and play a video
Pause the video
Move the mouse to the tab bar quickly

ER:
The audio indicator should be replaced by the favicon

AR:
There is a gap of a few seconds where no icon is visible

Comment 1

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

See https://searchfox.org/mozilla-central/search?q=scheduledremoval&path= for places in the code that affect this.

Comment 2

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

Attachment: Bug 1700989 - Remove the fadeout on the tab-icon-overlay since transitioning the opacity won't work when the opacity property is changed due to mouse hover.

The mouse hover resets the starting value of the transition, effectively canceling the transition and moving immediately to the end state.

Comment 3

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

Set release status flags based on info from the regressing bug 1693066

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/26cfe11b1a2f
Remove the fadeout on the tab-icon-overlay since transitioning the opacity won't work when the opacity property is changed due to mouse hover. r=desktop-theme-reviewers,harry

Comment 5

[Cristian Brindusan [:cbrindusan]]

https://hg.mozilla.org/mozilla-central/rev/26cfe11b1a2f

Comment 6

[Hani Yacoub, Desktop QA]

Verified as fixed on Windows 10 x64, macOS 10.15, Ubuntu 20.04 and on Windows 7 x64.