38183 2010-04-27 01:52:31 -0700 REGRESSION (r57919): Some pages opened in background tabs don't render the first time you activate their tab 2010-04-27 12:27:19 -0700 1 1 1 Unclassified WebKit New Bugs 528+ (Nightly build) Other OS X 10.5 RESOLVED FIXED InRadar P2 Normal --- 1 mjs simon.fraser cmarrin mjs simon.fraser oldest_to_newest 217587 0 mjs 2010-04-27 01:52:31 -0700 REGRESSION (r57919): Some pages opened in background tabs don't render the first time you activate their tab 217591 1 54399 mjs 2010-04-27 01:54:45 -0700 Created attachment 54399 Patch 217607 2 mjs 2010-04-27 02:12:51 -0700 <rdar://problem/7900419> 217617 3 54399 hyatt 2010-04-27 02:35:28 -0700 Comment on attachment 54399 Patch It's pretty sloppy to have a platform ifdef right in a rendering file, but if it's unavoidable... 217741 4 simon.fraser 2010-04-27 09:49:51 -0700 Hmm, maybe we could hide the #ifdef inside a new method, RenderLayerCompositor::compositeAcrossIFrames() or something. 217793 5 54399 simon.fraser 2010-04-27 11:01:00 -0700 Comment on attachment 54399 Patch I filed bug 38206 on the underlying issue here. I'll take this, and do a cleaner patch. 217816 6 54437 simon.fraser 2010-04-27 11:54:31 -0700 Created attachment 54437 Patch 217829 7 54437 darin 2010-04-27 12:06:11 -0700 Comment on attachment 54437 Patch > +bool RenderLayerCompositor::shouldPropagateCompositingToParentDocument() const > +{ > +#if !PLATFORM(MAC) > + return true; > +#else > + return false; > +#endif > +} I’d like to see a “why” comment in this function. This seems the perfect place to explain why Mac is different, if we know why. 217831 8 54437 mjs 2010-04-27 12:08:04 -0700 Comment on attachment 54437 Patch Comments from offline discussion: 1) shouldPropagateCompositingToParentDocument should be renamed to something like shouldPropagateCompositingToIFrameParent 2) shouldPropagateCompositingToIFrameParent should probably be a static method 3) The shouldPropagateCompositingToIFrameParent check should probably be in RenderLayerCompositor instead of in RenderView, because it's part of the decision about *when* to update the compositing state, rather than an implementation detail of *how* the RenderView does so. 4) Please add the manual-test from my patch. 217845 9 simon.fraser 2010-04-27 12:27:19 -0700 http://trac.webkit.org/changeset/58320 54399 2010-04-27 01:54:45 -0700 2010-04-27 11:54:27 -0700 Patch bug-38183-20100427015443.patch text/plain 3671 mjs SW5kZXg6IFdlYkNvcmUvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 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