Closed Bug 401176 Opened 14 years ago Closed 14 years ago

can end up with double frames in fancy nsCSSFrameConstructor::ContentRemoved codepaths


(Core :: Layout, defect, P2)






(Reporter: dbaron, Assigned: roc)




(Whiteboard: [depends on 399940])

Landing bug 321402 caused the reftest to fail.  (It was the last-minute change (after I'd done the full reftest run) to fix the ContentRemoved codepath that broke it, although it would also have been slightly broken without that change -- although not to cause that particular test to fail.)

The problem is that we do the following:
  - call RecreateFramesForContent to reframe the image (processing the style change that resulted from ContentStatesChanged)
    - this calls ContentRemoved
      - this detects the need to destroy the wrapper and reframes its grandparent, which creates a frame for the image
    - this then calls ContentInserted, creating a *second* frame for the image

(I'm also a bit puzzled by the need for both ReinsertContent and RecreateFramesForContent, with their different brokenness, and why we set PR_TRUE for aInReinsertContent to ContentRemoved only in the former.)
Flags: blocking1.9?
(Note that this bug was present in a number of existing codepaths before bug 321402 landed.)
And when this is fixed we need to remove the random marking in layout/bugs/reftest.list:
random == 374038-2.xul 374038-2-ref.xul # bug 401176
Depends on: 399940
Flags: blocking1.9? → blocking1.9+
I will fix this when merging the patch in bug 399940
Assignee: dbaron → roc
Whiteboard: [depends on 399940]
roc, reed ended up landing the fix for bug 399940 for you.  Did this get fixed with it anyway?
Yeah, I added the fix needed here into the patch there. I'll verify as soon as I get a trunk build with that patch in it...
I turned the reftest back on.
Closed: 14 years ago
Resolution: --- → FIXED
Flags: in-testsuite+
Product: Core → Core Graveyard
Component: Layout: Misc Code → Layout
Product: Core Graveyard → Core
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