[Webkit-unassigned] [Bug 126330] New: Refactor NSActivity handling code from ChildProcess to UserActivity

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=126330

           Summary: Refactor NSActivity handling code from ChildProcess to
                    UserActivity
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: barraclough at apple.com


UserActivity is a mechanism to express to the operating system (where appropriate) that a user initiated activity is taking place, and as such that resources should be made available to the process accordingly.

Currently we hold a single NSActivity, at the WebKit layer. This refactoring allows us to hold different activity tokens for different user actions (which simplifies the handling, and aides debugging since the token can more accurately express the activity taking place), and also will allow us to avoid the layering difficulty of calling back up the stack to WebKit to register that an activity is taking place.

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