When you press the "print screen" key Firefox shows the full-screen message, making impossible to take screen-shots from videos without this notification

Bug #1332959 reported by Alberto Salvia Novella on 2014-06-22
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Light Display Manager
Undecided
Unassigned
Mozilla Firefox
New
Low
Unity
Invalid
Undecided
Unassigned
firefox (Ubuntu)
Low
Unassigned
lightdm (Ubuntu)
Low
Unassigned
unity (Ubuntu)
Low
Unassigned

Bug Description

****************
HOW TO REPRODUCE
****************

1. In the Firefox browser, open a video played using an HTML 5 web-player (for example: http://youtu.be/wWC_WZ7gd6g)
2. Click on the full screen button.
3. Press the "print screen" key.

******************
EXPECTED BEHAVIOUR
******************

- To have taken an screen-shot of how the screen looked at that moment.

**************
REAL BEHAVIOUR
**************

- A message telling you went full screen appears in the screen-shot.

**************
TECHNICAL INFO
**************

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: firefox 30.0+build1-0ubuntu0.14.04.3
ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
Uname: Linux 3.13.0-29-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC2: es20490446e 1959 F.... pulseaudio
 /dev/snd/controlC1: es20490446e 1959 F.... pulseaudio
 /dev/snd/controlC0: es20490446e 1959 F.... pulseaudio
BuildID: 20140608211622
Channel: Unavailable
CurrentDesktop: Unity
Date: Sun Jun 22 15:37:57 2014
Extensions: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
InstallationDate: Installed on 2013-05-21 (397 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
IpRoute:
 default via 192.168.2.1 dev eth0 proto static
 192.168.2.0/24 dev eth0 proto kernel scope link src 192.168.2.130 metric 1
IwConfig:
 eth0 no wireless extensions.

 lo no wireless extensions.
Locales: extensions.sqlite corrupt or missing
MostRecentCrashID: bp-a226e310-01ec-4d7b-9bf6-29cc52140606
PrefSources: prefs.js
Profiles: Profile0 (Default) - LastVersion=30.0/20140608211622 (In use)
RelatedPackageVersions:
 rhythmbox-mozilla 3.0.2-0ubuntu2
 icedtea-7-plugin 1.5-1ubuntu1
 totem-mozilla 3.10.1-1ubuntu4
RfKill:

RunningIncompatibleAddons: False
SourcePackage: firefox
SubmittedCrashIDs: bp-a226e310-01ec-4d7b-9bf6-29cc52140606
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: Upgraded to trusty on 2014-04-14 (69 days ago)
dmi.bios.date: 02/18/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: MS-7358
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.board.version: Fab D
dmi.chassis.type: 3
dmi.chassis.vendor: OEM
dmi.chassis.version: OEM
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd02/18/2008:svnMEDIONPC:pnMS-7358:pvrOEM:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7358:rvrFabD:cvnOEM:ct3:cvrOEM:
dmi.product.name: MS-7358
dmi.product.version: OEM
dmi.sys.vendor: MEDIONPC

It affects a non-essential aspect of the package.

Changed in firefox (Ubuntu):
importance: Undecided → Low
Changed in lightdm (Ubuntu):
importance: Undecided → Low
Changed in unity (Ubuntu):
importance: Undecided → Low

Created attachment 8444094
Example.png

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:30.0) Gecko/20100101 Firefox/30.0 (Beta/Release)
Build ID: 20140608211622

Steps to reproduce:

1. In the Firefox browser, open a video played using an HTML 5 web-player (for example: http://youtu.be/wWC_WZ7gd6g)
2. Click on the full screen button.
3. Press the "print screen" key.

Actual results:

A message telling you went full screen appears in the screen-shot.

Expected results:

To have taken an screen-shot of how the screen looked at that moment.

Changed in firefox:
importance: Undecided → Unknown
status: New → Unknown

Do you see this on other sites using html5 as well, e.g. http://vimeo.com/93897087 ?

Gunnar Hjalmarsson (gunnarhj) wrote :

Can't reproduce. For me it works as expected.

Changed in firefox:
importance: Unknown → Low
status: Unknown → New

Yes, I see this bug in every site that shows this full-screen message.

@ Gunnar Hjalmarsson:

Can you provide information about which of these where you using when testing:

- Ubuntu release.
- Desktop environment.
- Firefox version.
- Graphic processor.

Gunnar Hjalmarsson (gunnarhj) wrote :

Sure. Ubuntu 14.04 with Unity, Firefox 30.0, and Nvidia 331.38.

The only apparent difference is the graphics driver:
xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1

I cannot reproduce it in a laptop using Intel graphics.

False, it is reproducible too under Intel graphics; just by enabling HTML 5 player in <https://www.youtube.com/html5>.

@ Gunnar Hjalmarsson:

Does it happen the same to you after doing the same?

Gunnar Hjalmarsson (gunnarhj) wrote :

Ah, yes, after having enabled the HTML5 player via that page, I could reproduce the behaviour.

Changed in unity (Ubuntu):
status: New → Triaged
Changed in lightdm (Ubuntu):
status: New → Triaged
Changed in firefox (Ubuntu):
status: New → Triaged
Andrea Azzarone (azzar1) wrote :

Not a unity/lightdm bug. Marking as invalid. Please re-open if it does not happen in other shells.

Changed in lightdm (Ubuntu):
status: Triaged → Invalid
Changed in lightdm:
status: New → Invalid
Changed in unity:
status: New → Invalid
Changed in unity (Ubuntu):
status: Triaged → Invalid
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