[Webkit-unassigned] [Bug 18762] Window.onload is firing before image resources are loaded

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=18762


Andreas Kling <andreas.kling at nokia.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|Layout and Rendering        |Page Loading
                 CC|                            |andreas.kling at nokia.com,
                   |                            |mjs at apple.com
     Ever Confirmed|0                           |1




--- Comment #7 from Andreas Kling <andreas.kling at nokia.com>  2010-06-27 10:10:08 PST ---
I looked into this a bit, and this is my understanding ~

The problem is that we have multiple DocLoaders depending on the same CachedResource. The first DocLoader to request the resource gets its requestCount() bumped in Loader::load(), but subsequent loaders don't.

Later on, in FrameLoader::checkCompleted(), the DocLoader's requestCount() is checked and may return 0 since the loader isn't tracking all its resources.

I am not quite sure how to fix this without incurring a performance penalty for the common case (no shared resources between concurrent loaders.) Would love some input from someone who knows the loader code.

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