[Webkit-unassigned] [Bug 158218] New: Web Inspector: Snapshot list is drawn blank after switching from scrolled Snapshot Comparison view

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon May 30 16:57:25 PDT 2016


https://bugs.webkit.org/show_bug.cgi?id=158218

            Bug ID: 158218
           Summary: Web Inspector: Snapshot list is drawn blank after
                    switching from scrolled Snapshot Comparison view
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bburg at apple.com
                CC: bburg at apple.com, graouts at webkit.org,
                    joepeck at webkit.org, mattbaker at apple.com,
                    nvasilyev at apple.com, timothy at apple.com,
                    webkit-bug-importer at group.apple.com

STEPS TO REPRODUCE:

1. Capture enough snapshots so that the Snapshot List table has scroll overflow.
2. Scroll down to the bottom.
3. Select two snapshots with "Compare Snapshot" button
4. Re-select "Snapshot List" path component in the secondary navigation bar.

EXPECTED:

Scroll position within the data grid is restored

ACTUAL:

Scroll position is reset, and data grid appears empty until scrolling forces relayout/repaint

NOTES:

It looks like the data grid scroll position is reset to top, but the styles of the rows are not re-synced to that position.
I think it's fine to reset the scroll position since we don't integrate secondary view changes into our back-forward list. But, the view shouldn't be blank!

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