[Webkit-unassigned] [Bug 144212] Web Inspector: Elements tab details sidebar becomes non-expandable after using Console tab

Sat Apr 25 22:24:51 PDT 2015

https://bugs.webkit.org/show_bug.cgi?id=144212

--- Comment #6 from Joseph Pecoraro <joepeck at webkit.org> ---
Well this is very weird.

DOMTreeContentView selected node changes trigger the right things. However, during the last of these events, the DOMTreeOutline.selectedTreeElement is null, which of course leads to what we have.

The DOMTreeContentView updates the selected node multiples times, ending up with:

  - <html> (root node?)
  - null (removing all nodes)
  - <body> (restoring selection)

But in the process of revealAndSelect for <body> it fails to create a tree element for it. It looks like during creation it walks up the DOMNode hierarchy, trying to find a DOMTreeElement parent (which should be the DOMTreeElement for the <html> node) and doesn't find one, so it doesn't create a tree element.

I don't know what is different here.

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