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Ugly artifacts when entering in Customize mode during tab sharing

RESOLVED INCOMPLETE

Status

Hello (Loop)
Client
P4
normal
Rank:
45
RESOLVED INCOMPLETE
2 years ago
a year ago

People

(Reporter: Vasilica Mihasca, QA [away for an extended period of time - please needinfo addonsqa@softvision.ro], Unassigned)

Tracking

unspecified
Points:
2
Bug Flags:
firefox-backlog +
qe-verify +

Firefox Tracking Flags

(Not tracked)

Details

Reproducible on: Firefox 41 Beta 4 across all platforms

STR
1.Launch Firefox and click on Hello icon.
2.Click on "Start a conversation" and access "Share your screen" button.
3.Send the link to another person.
4.Select "Share your tabs"
5.Enter in Customize mode

ER
Customize Firefox tab is successfully displayed during tab sharing.

AR
Ugly artifacts (or a blank tab) appear on the second pc.
See screenshot: http://i.imgur.com/SaDV3dl.jpg

Additional notes:
- This issue is reproducible on Firefox 41 Beta 4 (20150824144923) under Windows 7 64-bit, Ubuntu 14.04 64-bit and Mac OS X 10.9.5
- This issue is also reproducible on Firefox 39 (20150630154324)
- This issue does not reproduce for Share other Windows
Component: Client → WebRTC: Audio/Video
Product: Hello (Loop) → Core
The Customize Tab appears to not be a "normal" tab, and so the tab-sharing code is failing to render it to a canvas.  All other types of tabs seem ok, including prefs, addons, about:home/webrtc/support/etc.  

Likely there's something "unusual" about the window and rendering for Customize that makes it non-capturable.  Probably there's no easy way around this other than re-engineering Customize, or maybe having some custom capture code in the tab-capture code, once a way to capture it is devised.  It's likely not worth a major re-engineering to be able to share Customize when everything else works; an alternative would be to simply ensure it renders a black/etc screen (text or a warning would be nice, but not necessary IMHO).
Component: WebRTC: Audio/Video → Toolbars and Customization
Product: Core → Firefox
Thanks for triaging this, Randell! This might even go back into Hello's camp, because perhaps we simply need to exclude about:customize as a shareable target.
That's perhaps the easiest fix right now.
Component: Toolbars and Customization → Client
Product: Firefox → Hello (Loop)
Flags: qe-verify+
Flags: firefox-backlog+
Points: --- → 2

Comment 3

2 years ago
definitely a bug - but more edge scenario.  clean up.
Rank: 45
Priority: -- → P4
Whiteboard: [bug edge]
Whiteboard: [bug edge]
Support for Hello/Loop has been discontinued.

https://support.mozilla.org/kb/hello-status

Hence closing the old bugs. Thank you for your support.
Status: NEW → RESOLVED
Last Resolved: a year ago
Resolution: --- → INCOMPLETE
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