59540 2011-04-26 14:47:29 -0700 REGRESSION: white overlay scrollbars on apple.com/startpage 2011-04-28 00:49:01 -0700 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) PC OS X 10.5 RESOLVED FIXED InRadar P2 Normal --- 1 jonlee webkit-unassigned commit-queue simon.fraser webkit.review.bot oldest_to_newest 392772 0 jonlee 2011-04-26 14:47:29 -0700 <rdar://problem/9338653> 393116 1 91185 jonlee 2011-04-26 17:02:17 -0700 Created attachment 91185 Patch 393125 2 webkit.review.bot 2011-04-26 17:03:59 -0700 Attachment 91185 did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/WebCore/ChangeLog', u'Source/WebCor..." exit_code: 1 Source/WebCore/ChangeLog:1: ChangeLog entry has no bug number [changelog/bugnumber] [5] Total errors found: 1 in 2 files If any of these errors are false positives, please file a bug against check-webkit-style. 393153 3 91191 jonlee 2011-04-26 17:13:11 -0700 Created attachment 91191 Patch fix ChangeLog 393178 4 91191 simon.fraser 2011-04-26 17:27:49 -0700 Comment on attachment 91191 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=91191&action=review > Source/WebCore/page/Frame.cpp:510 > + // <https://bugs.webkit.org/show_bug.cgi?id=59540> To find the aggregate background color > + // of the document, we look at the background color of the document and the body, and blend > + // them against the base background color of the frame view. Ideally we should include > + // background images, but including them in this calculation is time-intensive, > + // and would lead to unpredictable results. I think this is too verbose (imagine if every change had such comments!). > Source/WebCore/page/Frame.cpp:530 > + return htmlBackgroundColor; What if htmlBackgroundColor is transparent? Shouldn't this return the base background color? > Source/WebCore/page/Frame.cpp:534 > + if (!htmlBackgroundColor.isValid()) > + return bodyBackgroundColor; bodyBackgroundColor may be transparent here also, so you you'd need to return the baseBackgroundColor. > Source/WebCore/page/Frame.cpp:543 > + return view()->baseBackgroundColor().blend(htmlBackgroundColor.blend(bodyBackgroundColor)); Blend does linear interpolation, which is not the same as what is used for compositing. I think you want to combine them using the "normal" blend mode (aka Porter Duff's "source over"): R = S + D*(1 - Sa) 394007 5 91386 jonlee 2011-04-27 16:59:54 -0700 Created attachment 91386 Patch Including the base background for short-circuit tests, and adding a comment in Color.h re: blend() function. 394292 6 commit-queue 2011-04-28 00:47:22 -0700 The commit-queue encountered the following flaky tests while processing attachment 91386: http/tests/inspector/console-websocket-error.html bug 57392 (authors: pfeldman@chromium.org and yutak@chromium.org) The commit-queue is continuing to process your patch. 394293 7 91386 commit-queue 2011-04-28 00:48:56 -0700 Comment on attachment 91386 Patch Clearing flags on attachment: 91386 Committed r85171: <http://trac.webkit.org/changeset/85171> 394294 8 commit-queue 2011-04-28 00:49:01 -0700 All reviewed patches have been landed. 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