Open Bug 1135055 Opened 10 years ago Updated 2 years ago

[Youtube][HTML5] "Default view"/"Theater mode" works incorrectly after using Next/Previous from Full screen


(Core :: Audio/Video: Playback, defect)





(Reporter: FlorinMezei, Unassigned)




(Whiteboard: [platform-rel-Youtube])

Reproducible with: 
- Firefox 36 RC - BuildID: 20150219174507
- latest Firefox 37 Aurora - BuildID: 20150220004124
- latest Firefox 38 Nightly - BuildID: 20150219070749

Reproducible on: Mac OS X 10.9.5 (Retina), Windows 7 x64, Windows 8.1 x86

NOT reproducible on: Ubuntu 14.04 x64

Steps to reproduce:
1. Open Firefox and go to and click "Request the HTML5 player".
2. Open a list o videos e.g.
3. Enter full screen.
4. Click Next to start the next song.
5. Click on "Default view"/"Theater mode" while still in full screen.

Expected results:
Player exits HTML5 full screen mode and displays mode selected at step 5.

Actual results:
Player exits HTML5 full screen mode but displays opposite mode from the one selected at step 5 ("Theater mode" if "Default view" was clicked, and vice-versa).

- the issue does not show if step 4 is skipped
- this is not a recent regression as the issue also reproduces in Firefox 32.0.3
Component: Audio/Video → Audio/Video: Playback
platform-rel: --- → ?
Whiteboard: [platform-rel-Youtube]
platform-rel: ? → ---
Severity: normal → S3
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