1203775 - Firefox opens fullscreen if you had previously shutdown while video(youtube) was left full screened

Status: RESOLVED DUPLICATE of bug 1137009

(Firefox :: Session Restore, defect)

Description

[morbicy]

User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0
Build ID: 20150826023504

Steps to reproduce:

Open a video on youtube and make it full screen, then press the shutdown button on your PC.


Actual results:

After starting back up(from a shutdown), start Firefox and it will open in full screen mode.


Expected results:

Firefox should open in the last used window position, however, a full screen button on a video shouldn't save as your default window behavior.

This behavior started a few versions back and happens at least in Windows 7 and 10.

Comment 1

[:Gijs (he/him)]

(In reply to morbicy from comment #0)
> Firefox should open in the last used window position, however, a full screen
> button on a video shouldn't save as your default window behavior.

Why not?

Comment 2

[morbicy]

(In reply to :Gijs Kruitbosch from comment #1)
> (In reply to morbicy from comment #0)
> > Firefox should open in the last used window position, however, a full screen
> > button on a video shouldn't save as your default window behavior.
> 
> Why not?

A video shouldn't over-right -any- settings at all.  Why should a button from a third party change an applications behavior?

Comment 3

[morbicy]

(In reply to morbicy from comment #2)
> (In reply to :Gijs Kruitbosch from comment #1)
> > (In reply to morbicy from comment #0)
> > > Firefox should open in the last used window position, however, a full screen
> > > button on a video shouldn't save as your default window behavior.
> > 
> > Why not?
> 
> A video shouldn't over-right -any- settings at all.  Why should a button
> from a third party change an applications behavior?

overwrite*

Comment 4

[:Gijs (he/him)]

(In reply to morbicy from comment #2)
> (In reply to :Gijs Kruitbosch from comment #1)
> > (In reply to morbicy from comment #0)
> > > Firefox should open in the last used window position, however, a full screen
> > > button on a video shouldn't save as your default window behavior.
> > 
> > Why not?
> 
> A video shouldn't over-right -any- settings at all.  Why should a button
> from a third party change an applications behavior?

It's not the video that overwrites any settings (that would be a security issue).

You override the settings by going into fullscreen mode. The same happens if you use F11.

I can understand how this feels counterintuitive if you don't restore your tabs automatically when Firefox restarts, and you get about:home or your start page in fullscreen mode.

However, for people that do restore tabs automatically, I expect that "fixing" this bug would feel like a regression: if they were watching a video in fullscreen, closed Firefox, and then restart Firefox, they expect the same video will be back in fullscreen when restarting, and that seems like a sensible expectation, which fixing this bug (as-written) would break.

Making the restoration conditional on that preference (ie whether tabs get restored when restarting Firefox) feels wrong, but might be the most sensible thing to do.

Philipp, thoughts/ideas?

Comment 6

[olek.budzinski]

Orginal bug was solved and will by pushed to mozilla44.
To be honest I believe solution should be to give settings toggle (f.e. allow restoring to fullscreen mode or 3 position toggle 1 Do not restore to FS, 2. Restore to state on close, 3. Always start at FS). What do you think?

Comment 7

[Xidorn Quan [:xidorn] UTC+11]

(In reply to olek.budzinski from comment #6)
> Orginal bug was solved and will by pushed to mozilla44.
> To be honest I believe solution should be to give settings toggle (f.e.
> allow restoring to fullscreen mode or 3 position toggle 1 Do not restore to
> FS, 2. Restore to state on close, 3. Always start at FS). What do you think?

No, there exist various issues to restore to fullscreen mode, especially on OS X and Win 10, and other browsers no longer restore to fullscreen mode either.