player.fm - Unable to reorder the media files from "Play later" list

[Coco256]

URL: https://player.fm/llozares/play-later/all

Browser / Version: Firefox Mobile 84.0
Operating System: Android
Tested Another Browser: Yes Chrome

Problem type: Something else
Description: drag/drop doesn't work
Steps to Reproduce:
Click to reorder items in the list. Cursor does not change to a "reorder cursor". Works in Chrome, Opera, Edge.

View the screenshot

Browser Configuration

• gfx.webrender.all: false
• gfx.webrender.blob-images: true
• gfx.webrender.enabled: false
• image.mem.shared: true
• buildID: 20201206192040
• channel: beta
• hasTouchScreen: true
• mixed active content blocked: false
• mixed passive content blocked: false
• tracking content blocked: false

View console log messages

From webcompat.com with ❤️

[softvision-oana-arbuzov]

Thanks for the report, I was able to reproduce the issue.

Prerequisites:
User signed with Google account.
"Play later" media available.

Steps to reproduce:

1. Navigate to: https://player.fm/mozillamobilebm/play-later/all
2. Try to reorder the media files using long press and swipe up/down.

Expected result:
The media is reordered.

Actual results:
Media reorder is not performed.

Tested with:
Browser / Version: Firefox Nightly 201214 (🦎 85.0a1-20201210092800)
Operating System: Samsung Galaxy S8 (Android 9) - 1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density)

Moving to Needsdiagnosis for further investigation.

[karlcow]

It looks like a duplicate of mozilla-mobile/fenix#18451
and https://bugzilla.mozilla.org/show_bug.cgi?id=1719855

[dholbert]

For what it's worth: touchscreen drag/drop on this site is also broken in the mobile-UI-as-viewed-on-Desktop-in-responsive-design-mode, in Firefox as well as Chrome. (I tested using my Microsoft Surface 3 on Windows 10.) Touch-and-drag just gets interpreted as scrolling.