[tbb-bugs] #22434 [Applications/Tor Browser]: drag and drop filter is ineffective in e10s mode (was: Your patch is broken on e10s)

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Jul 21 19:04:41 UTC 2017

#22434: drag and drop filter is ineffective in e10s mode
 Reporter:  cypherpunks                          |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  reopened
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ff52-esr, tbb-e10s, tbb-7.0-issues,  |  Actual Points:
  tbb-regression                                 |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
Changes (by mcs):

 * status:  closed => reopened
 * cc: brade, mcs (added)
 * resolution:  not a bug =>
 * keywords:  ff52-esr, tbb-e10s => ff52-esr, tbb-e10s, tbb-7.0-issues, tbb-


 I am reopening this bug. Kathy and I encountered this issue while working
 on #22471 and the other tickets related to the download warning prompt (we
 had to move the drag and drop filter into its own component within
 Torbutton, and encountered this bug while testing our changes).

 I have not done any investigation to determine the root cause, but our
 `on-datatransfer-available` filter is not effective when e10s is enabled.
 I reproduced this problem using Tor Browser 7.0.2 on OSX 10.12.5. Here is
 a page that may be used to demonstrate the problem:
 (JS required)

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22434#comment:5>
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