1609297 - dragstart does not fire over fieldset

Status: NEW

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

Description

[David Means]

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:72.0) Gecko/20100101 Firefox/72.0

Steps to reproduce:

Composed test page with minimal distractions. https://www.digitalelephant.org/dragDropTest/index.php. This page contains an empty <fieldset> surrounded by a <div>. The <div> is absolute positioned and draggable="true". The <fieldset> has nothing special assigned.
System is Windows 10. Firefox version is 72.0.1

Actual results:

Attempt to drag the outer <div> succeeds. Attempt to drag the whole thing with the cursor in the green <fieldset> area fails. Breakpoint in the dragInit javascript is not reached.

Expected results:

The event should not be captured by the <fieldset> and should bubble up to the containing <div>. This would make the whole block draggable.

Comment 1

[Daniel Kolsis]

Hello, I managed to reproduce the issue on Firefox 72.0.1, beta 73.0b7, and Nightly 74.0a1 (2020-01-19).

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

The priority flag is not set for this bug.
:Dolske, could you have a look please?

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