15063 2007-08-23 13:49:47 -0700 REGRESSION (r25151): Switching to a tab waiting for first data does not clear the window 2008-11-09 12:20:59 -0800 1 1 1 Unclassified WebKit Page Loading 523.x (Safari 3) Mac OS X 10.5 RESOLVED FIXED InRadar, Regression P1 Normal --- 1 mitz darin adele ain darrencollins dev+webkit mjs sullivan oldest_to_newest 1585 0 mitz 2007-08-23 13:49:47 -0700 Summary: Switching from one tab to a newly created tab that has not gotten beyond a certain stage of loading leaves behind the image of the first tab. Forcing redraw may clear the old image. Steps to reproduce: 1) Open any page in a first tab. 2) Create a new empty tab. 3) In the empty tab, type a URL that takes long to start loading (one way to fake this is to run "nc -l 9999" and go to <http://127.0.0.1:9999/>) and press Return. 4) Use the keyboard to switch to the first tab and then back to the new tab. Expected results: When switching to the new tab in step 4, it should display a blank page. Actual results: When switching to the new tab in step 4, it displayed the contents of the first tab. Regression: Regressed between r25065 and TOT. My guess is <http://trac.webkit.org/projects/webkit/changeset/25151>. 1596 1 dev+webkit 2007-08-23 15:53:53 -0700 I've seen this on Windows too. 1463 2 darrencollins 2007-08-25 15:34:45 -0700 Another way to reproduce (only tested on XP) is to set "New Window Opens With" preference to "Empty Page". When Safari is started the "Empty Page" does not get painted, so windows behind Safari bleed through. Dragging windows across the "Empty Page" show it is not getting painted. 1345 3 mitz 2007-08-28 09:37:19 -0700 (In reply to comment #2) > Another way to reproduce (only tested on XP) is to set "New Window Opens With" > preference to "Empty Page". When Safari is started the "Empty Page" does not > get painted, so windows behind Safari bleed through. Dragging windows across > the "Empty Page" show it is not getting painted. I believe this is <rdar://problem/5424801>, fixed in <http://trac.webkit.org/projects/webkit/changeset/25270>. 1320 4 darrencollins 2007-08-28 14:43:40 -0700 (In reply to comment #3) Confirmed "Empty Page" now paints on XP on r25279. 1300 5 ddkilzer 2007-08-28 21:12:12 -0700 Marking resolved per Comment #4. 1292 6 mitz 2007-08-28 22:27:18 -0700 (In reply to comment #5) > Marking resolved per Comment #4. What's resolved is the Windows variant of the bug, described in comment #2. The original bug described in comment #0 is still reproducible on Mac. 1139 7 adele 2007-08-30 17:31:36 -0700 <rdar://problem/5452227> 67518 8 sullivan 2008-01-17 12:26:25 -0800 Some updated info from the radar: This regressed with the first change in <http://trac.webkit.org/projects/webkit/changeset/25151/trunk/WebCore/loader/FrameLoader.cpp> The problem is that the WebHTMLView has no size (0,0) because there hasn't been any layout that forces a size. Manually resizing cures the problem because it forces a layout via an inLiveResize check in [WebDynamicScrollBarsView updateScrollers]. 67692 9 ddkilzer 2008-01-19 03:45:18 -0800 This sounds a lot like Bug 16417. 98087 10 25003 darin 2008-11-09 11:39:46 -0800 Created attachment 25003 patch 98089 11 darin 2008-11-09 11:42:41 -0800 *** Bug 16417 has been marked as a duplicate of this bug. *** 98094 12 25003 sullivan 2008-11-09 12:15:34 -0800 Comment on attachment 25003 patch Most excellent. 98095 13 darin 2008-11-09 12:20:59 -0800 http://trac.webkit.org/changeset/38245 25003 2008-11-09 11:39:46 -0800 2008-11-09 12:15:34 -0800 patch TabSwitchGarbagePatch.txt text/plain 9010 darin SW5kZXg6IFdlYktpdC9tYWMvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIFdlYktpdC9tYWMvQ2hh bmdlTG9nCShyZXZpc2lvbiAzODI0MykKKysrIFdlYktpdC9tYWMvQ2hhbmdlTG9nCSh3b3JraW5n IGNvcHkpCkBAIC0xLDMgKzEsMzAgQEAKKzIwMDgtMTEtMDkgIERhcmluIEFkbGVyICA8ZGFyaW5A 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