1778946 - Find-in-page highlights seem to flicker

Status: UNCONFIRMED

(Toolkit :: Find Toolbar, defect)

Description

[MarjaE]

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:102.0) Gecko/20100101 Firefox/102.0

Steps to reproduce:

Try to search in page. This differs from bug 1605575 but similar instructions work.

1. Open https://en.wikipedia.org/wiki/Black_hole

2. Open Findbar (Cmd+F or Ctrl+F).

3. Type "Black hole" in findbar.

4. Turn on "Highlight All".

5. Repeatedly click Cmd+G or Next button in findbar.

Actual results:

Sometimes one result seems to flash back-and-forth between the highlight colors. Most often in the sentance "David Finkelstein, in 1958, first published the interpretation of "black hole" as a region of space from which nothing can escape."

Unlike bug 1605575 this doesn't have all the results flash in unison.

I have tried recording this, but the apparent repeated flashing in the original isn't in the recording.

Expected results:

No flashing, it's a migraine trigger.

I've tried mozregression, but it's too erratic to get a good fix, and too painful to keep trying.

Try 1: https://phabricator.services.mozilla.com/D151369

Try 2, starting July 6th: https://phabricator.services.mozilla.com/D151224

It may vary with click speed, etc.

Comment 1

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

The Bugbug bot thinks this bug should belong to the 'Toolkit::Find Toolbar' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Comment 2

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

The severity field is not set for this bug.
:enndeakin, could you have a look please?

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