[tbb-bugs] #20375 [Applications/Tor Browser]: warn users when entering fullscreen

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#20375: warn users when entering fullscreen
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 Reporter:  fem                                  |          Owner:  tbb-
                                                 |  team
     Type:  enhancement                          |         Status:  closed
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:  fixed
 Keywords:  tbb-usability, tbb-fingerprinting,   |  Actual Points:
  tbb-torbutton, TorBrowserTeam201708R           |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by arthuredelstein):

 Replying to [comment:3 gk]:
 > Looks good. Applied to `master` (commit
 f6b52b8d7f26277569211946248307996d12099c). Could be a candidate for
 backporting to the stable series.

 I think backporting would be a good idea, because currently Tor Browser
 does not show a warning at all when the user clicks on the maximize window
 button in the title bar. That's because macOS (at least in the latest
 versions) seems to always use window.STATE_FULLSCREEN instead of
 window.STATE_MAXIMIZE.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20375#comment:4>
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