323843 - Regression: layerX/Y seem to start from (1,1) in FF1.5 instead of (0,0) as in FF1.0

Status: RESOLVED WORKSFORME

(Core :: Layout, defect)

Description

[Beau Hartshorne]

User-Agent:       Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/417.9 (KHTML, like Gecko) Safari/417.8
Build Identifier: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8) Gecko/20051111 Firefox/1.5

On the attached reduction, you'll see that Firefox 1.0 calculates layerX/Y to be the same as pageX/Y or clientX/Y, while Firefox 1.5 calculates layerX/Y to be pageX/Y + (1,1).

Related bugs: 321119, 290428, and 296036.

Reproducible: Always

Steps to Reproduce:
1. Look at the layerX and pageX properties from any mouse event, and you'll see they're different.
Actual Results:  
layerX != pageX on the attached reduction.

Expected Results:  
layerX == pageX on the attached reduction.

Comment 1

[Beau Hartshorne]

Attachment: HTML reduction (layerXY.html)

Comment 2

[:Gavin Sharp [email: [e-mail]]]

Ok, so as mentioned on #developers:

1) the 1.7 (Firefox 1.0) -> 1.8 (Firefox 1.5) change that introduced the bug was the patch from bug 290428
2) the 1.8 -> trunk change that fixed the bug was the patch in bug 296036

This means this bug is fixed for Firefox 3. As such, marking WFM.