481727 - :-moz-drag-over pseudo-class CSS rules do not apply

Status: RESOLVED INVALID

(Core :: CSS Parsing and Computation, defect)

Description

[Erik Staats]

User-Agent:       Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.2a1pre) Gecko/20090305 Minefield/3.2a1pre
Build Identifier: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.2a1pre) Gecko/20090305 Minefield/3.2a1pre

Using the :-moz-drag-over pseudo-class CSS rule does not apply in Minefield 3.2a1pre.

Reproducible: Always

Steps to Reproduce:
1. Launch Minefield 3.2a1pre build 20090305.
2. Open test.xul file in bug attachment.
3. Select some text and drag over test.xul black box outline.
Actual Results:  
No changes are observed in browser.

Expected Results:  
Box outline turns to red.

This works correctly in Firefox 3.0.6.

Comment 1

[Erik Staats]

Attachment: Test file for bug 481727.

Comment 2

[Ria Klaassen (not reading all bugmail)]

Regression range: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=5aaa5bcc6024&tochange=f8c3ffbe3ba5

Comment 3

[Neil Deakin]

You need to cancel the dragenter event (as described at https://developer.mozilla.org/En/DragDrop/Drag_Operations#droptargets) for the drop to be valid.

The :-moz-drag-over pseudo only applies when a drop is actually allowed, not whenever any dragover occurs.