[Webkit-unassigned] [Bug 189779] New: Dragging files from iTunes to Safari doesn't work in 90% cases, related to HTML5 drag and drop.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=189779

            Bug ID: 189779
           Summary: Dragging files from iTunes to Safari doesn't work in
                    90% cases, related to HTML5 drag and drop.
           Product: WebKit
           Version: Safari 11
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML Events
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: daniil.pokrovsky at gmail.com

Summary:
Dragging files from iTunes to Safari doesn't work in 90% cases, related to HTML5 drag and drop. Works in Firefox and Chrome.

Steps to Reproduce:
1. Open https://jsbin.com/ciporoq/edit?js,console,output

2. In iTunes select several files present on local disk, drag it to DROP container on the page above, try 10+ times, depending on luck it sometimes will show all your selected files, sometimes only few, sometimes 0.

Expected behavior: 
All dragged files should appear in container.

Expected Results:
event.dataTransfer.files must contain list of ALL dragged files

Actual Results:
Depending on the luck sometimes files property contain all your selected files, sometimes few, sometimes 0.

Version/Build:
Safari 11+ including Technology Preview, probably affects older versions.

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