`drop` event is not triggered when mouse is moving between different elements
Reported by
zerk...@gmail.com,
Sep 30
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Issue descriptionUserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36 Steps to reproduce the problem: Try to drag a text file from your desktop and slowly move over the thin divs borders. You would see that the `Move` label is flickering with `Copy` sometimes. My guess is that it's flickering on a short moment while mouse pointer crosses the element border. Now if you drop a file and is lucky enough to have the drag process in the `Copy` state - the `drop` even won't be fired and the file would be just opened in a chrome. What is the expected behavior? The `drop` event should be triggered with `e.preventDefault();` What went wrong? Instead - it's not triggered and a browser opens a file, instead of just `e.preventDefault();` Did this work before? N/A Does this work in other browsers? Yes Chrome version: 69.0.3497.100 Channel: stable OS Version: 10 Flash Version: It's indeed a bit tricky to reproduce, but I can do that in about 1/10 times and could reproduce it on multiple different machines.
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Oct 1
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Oct 4
zerkmss@ Thanks for the issue... Tried to reproduce this issue on reported chrome 69.0.3497.100 Using Windows 10 .Attaching screen-cast for reference. Steps: --------- 1. Launched reported chrome 2. Downloaded given html files and dragged and opened on new tab 3. Placed cursor on the thin divs borders as per screencast As we have not observed the flickering on while mouse pointer crosses the element border. @Reporter: Could you please review the attached screen-cast and confirm if anything being missed here and also verify this issue with fresh profile that is not having any extensions and apps or reset all the flags. Let us know whether issue still persists. Thanks...!
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Oct 4
"Try to drag a text file from your desktop and slowly move over the thin divs borders." You did not drag a file from your desktop. Un-maximise your chrome window, create a text file, drag it from the desktop to a chrome window (don't drop) and move mouse (while still having the mouse button hold) over those divs.
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Oct 4
Thank you for providing more feedback. Adding the requester to the cc list. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Oct 4
Here I recorded how it looks on the current machine (it's 4th I could reproduce it on) 1. Just dragging over with move-copy flickering https://youtu.be/VEtckMtMgMw 2. With actual event loss https://youtu.be/QthEGI1nbV0
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Nov 14
**Mass UI Triage ** Able to reproduce this issue on Windows 10 with chrome canary #72.0.3610.0 and also on earlier chrome M60 - #60.0.3112.0, hence this is a non-regression issue. Attaching the screen-cast for reference. |
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Comment 1 by zerk...@gmail.com
, Sep 30