Open Bug 1361386 Opened 7 years ago Updated 2 years ago

Should be able to scroll viewport if mouse over iframe while dragging

Categories

(Core :: DOM: Copy & Paste and Drag & Drop, defect, P3)

53 Branch
defect

Tracking

()

Tracking Status
firefox57 --- wontfix
firefox58 --- wontfix
firefox59 --- ?

People

(Reporter: guerin45, Unassigned)

Details

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:53.0) Gecko/20100101 Firefox/53.0
Build ID: 20170413192749

Steps to reproduce:

After fixing this 17 years old bug in firefox 53: https://bugzilla.mozilla.org/show_bug.cgi?id=41708
I noticed, contrary to Chrome and Edge, Firefox does not scroll parent viewport when mous over iframe:

To reproduce, goto https://codepen.io/anon/pen/LyLjwb and try de drag image to the bottom right corner.


Actual results:

It work only when mouse over scroll arrows. 


Expected results:

Like Chrome and Edge, it should work event if the mouse over iframes.
Component: Untriaged → Drag and Drop
Product: Firefox → Core
This is probably some issue with the specific arrangement of elements in this test.
Status: UNCONFIRMED → NEW
Ever confirmed: true
Priority: -- → P3
Severity: normal → S3
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