[Webkit-unassigned] [Bug 141532] New: Web Inspector: no visual feedback when scope chain is being populated from backend

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=141532

            Bug ID: 141532
           Summary: Web Inspector: no visual feedback when scope chain is
                    being populated from backend
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: burg at cs.washington.edu
                CC: graouts at webkit.org, joepeck at webkit.org,
                    jonowells at apple.com, mattbaker at apple.com,
                    nvasilyev at apple.com, timothy at apple.com,
                    webkit-bug-importer at group.apple.com

Sometimes it takes several seconds to load the scope chain sections if many call frames are navigated or the system is under load. We could put the spinner in there that's used in the main content browser area.

Repro steps (on a fast machine):

1. Go to Wikipedia with Inspector ope
2. Turn on "pause on all exceptions"
3. Navigate around until you get a call stack >20 frames
4. Start at the top call frame, and quickly key down through all the call frames.

It will take several seconds for the backend to catch up. In the meantime, it just looks like there is nothing in the scope chain sidebar.

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