[Webkit-unassigned] [Bug 107930] New: [BlackBerry] AC layers appear in the wrong place on RTL page

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=107930

           Summary: [BlackBerry] AC layers appear in the wrong place on
                    RTL page
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit BlackBerry
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: anilsson at rim.com


PR #280229

The public API of the BlackBerry port always reports a minimum scroll
position of (0, 0), even on RTL pages with left overflow. We
accomplish this by translating the WebCore scroll position by an
amount equal in size to the minimum scroll position, to obtain the API
scroll position reported to the API client.

This means the API client will ask us to render a rect that needs to
be corrected for the minimum scroll position, or we'll render the wrong
parts. This is done for BackingStore, but not for WebPageCompositor.

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