[Webkit-unassigned] [Bug 146927] New: Clean up scrollOffset/scrollPosition/scrollOrigin

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=146927

            Bug ID: 146927
           Summary: Clean up scrollOffset/scrollPosition/scrollOrigin
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: simon.fraser at apple.com
                CC: sam at webkit.org, thorton at apple.com

We're really confused about scrollOffset/scrollPosition/scrollOrigin.

Need to use consistent terms, possibly make it strongly typed. Need to decide on IntPoint/FloatPoint/LayoutPoint for units.

Some code to clean up:
* Move ScrollView::adjustScrollPositionWithinRange() into ScrollableArea, use it in ScrollAnimatorMac::adjustScrollPositionIfNecessary().
* Use it in ScrollView::setScrollOffset()

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