[webkit-dev] willCacheResponse

Brady Eidson beidson at apple.com
Tue Aug 4 19:03:12 PDT 2009

willCacheResponse was lumped in with dumpResourceLoadCallbacks()  
solely for convenience based on the situation at the time.

As you point out, it is only interesting for embedders of mainline  
WebKit on Mac.

My two proposals are to either split off a new dumpWillCacheResponse()  
callback or change dumpResourceLoadCallbacks() to take a second  
argument that is false by default.

I slightly prefer the latter.

I've filed https://bugs.webkit.org/show_bug.cgi?id=28010 to track this.


On Aug 4, 2009, at 5:35 PM, Darin Fisher wrote:

> There is a Mac-only willCacheResponse notification that gets  
> recorded by several of the layout tests when  
> layoutTestController.dumpResourceLoadCallbacks(true) is called.   
> However, this notification which originates at the ResourceHandle  
> level is currently #if PLATFORM(MAC).  I noticed that the tests  
> which depend on this notification are currently skipped on platform/ 
> win.  For Chromium, we have simply rebaselined with the  
> willCacheResponse events excluded.  Having a separate baseline is  
> unfortunate and not running the tests on platform/win seems even  
> worse.
> I wonder if it wouldn't be better to exclude willCacheResponse by  
> default, and then only enable it selectively for tests that are  
> about testing it.  That way, we can un-skip the other tests that  
> only fail on non-Mac as a side-effect of this notification not being  
> supported.  We could also try to support willCacheResponse on all  
> platforms, but that seems like a lot of work for little gain.   
> Afterall, it is a notification that WebKit doesn't itself care  
> about.  It is just something provided to the embedder of the WebKit  
> Framework on Mac.
> I didn't see any bugs on file about this issue.
> -Darin
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