[Webkit-unassigned] [Bug 70198] New: with a scroll wheel, webkit don't fully obey the rules of "smooth scrolling" set in OS X system prefs

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=70198

           Summary: with a scroll wheel, webkit don't fully obey the rules
                    of "smooth scrolling" set in OS X system prefs
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.7
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit2
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jeanpeccoud at gmail.com


(first bug, I'm not sure if the section is appropriate)

When you enable Smooth Scrolling in the general system preferences, 3 things are supposed to change:
- clicking the scroll rail no longer makes the view jump, it moves gently
- same thing when you hit the space bar
- Scrolling with a standard scroll wheel gets smoother (I suppose it doesn't make a difference with the peculiar scroll ball of the mighty mouse).
The first 2 changes are implemented in Webkit, but no the latter. 
It's irritating to the eye. 


Steps to Reproduce:
Use a mouse with a standard scroll wheel (e.g. not a mighty mouse)
Enable smooth scrolling in the general system preferences
open a webpage in Safari (or the latest chrome), its content should not be entirely visible
Scroll with the scroll wheel

Expected Results:
Scrolling should be smoother than it is with smooth scrolling turned off

Actual Results:
Scrolling isn't smoother.

Regression:

Notes:
Mail and the App Store, both using webkit I believe, support smooth scrolling fully.

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