[Webkit-unassigned] [Bug 136866] New: Exclude page visibility from PageThrottler's hysteresis

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=136866

           Summary: Exclude page visibility from PageThrottler's
                    hysteresis
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: barraclough at apple.com


Including visibility in the hysteresis mechanism has the effect of prolonging the visually idle timeout, and causing the page hide event to be run at foreground priority. Neither of these are particularly desirable. Instead separate visibility from the rest of the page activities we track (and apply hysteresis to), and feed this directly into determination of the UserActivity state.

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