202687 2019-10-08 02:53:56 -0700 REGRESSION (Catalina) non-scrolling iframe prevents document scrolling 2020-01-13 23:18:21 -0800 1 1 1 Unclassified WebKit Scrolling Other Mac Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 gerhard.preuss simon.fraser commit-queue koivisto simon.fraser thorton webkit-bug-importer wenson_hsieh oldest_to_newest 1577712 0 gerhard.preuss 2019-10-08 02:53:56 -0700 This is new as of Safari 13 on OSX. iFrames seem to trap/capture scroll events and prevent the document to scroll (trackpad/touch input). Reproduce: https://codepen.io/lipp/pen/LYYEEgd Expected behaviour: Page scrolls normal as if the iFrame were an image. Actual behaviour: Page is not scrollable when the (touch) input pointer is above the iFrame (green rect in example). 1577717 1 gerhard.preuss 2019-10-08 03:04:04 -0700 Using the mouse wheel works. So "just" trackpad is affected. 1578941 2 webkit-bug-importer 2019-10-10 18:12:32 -0700 <rdar://problem/56176782> 1578942 3 simon.fraser 2019-10-10 18:15:59 -0700 I can reproduce. Possibly a latching issue. 1579437 4 simon.fraser 2019-10-12 11:36:06 -0700 EventHandler::platformCompleteWheelEvent() finds the non-scrollable iframe as the thing to latch to and thinks that we started scrolling on it. 1579441 5 simon.fraser 2019-10-12 12:36:41 -0700 I think the bug is that scrolledToEdgeInDominantDirection() doesn't consider scrollable="no" iframes. 1606133 6 387590 simon.fraser 2020-01-13 16:30:01 -0800 Created attachment 387590 Patch 1606270 7 commit-queue 2020-01-13 23:17:44 -0800 The commit-queue encountered the following flaky tests while processing attachment 387590: editing/spelling/spellcheck-attribute.html bug 206178 (authors: g.czajkowski@samsung.com, mark.lam@apple.com, and rniwa@webkit.org) The commit-queue is continuing to process your patch. 1606271 8 387590 commit-queue 2020-01-13 23:18:19 -0800 Comment on attachment 387590 Patch Clearing flags on attachment: 387590 Committed r254497: <https://trac.webkit.org/changeset/254497> 1606272 9 commit-queue 2020-01-13 23:18:21 -0800 All reviewed patches have been landed. Closing bug. 387590 2020-01-13 16:30:01 -0800 2020-01-13 23:18:19 -0800 Patch bug-202687-20200113163000.patch text/plain 7671 simon.fraser U3VidmVyc2lvbiBSZXZpc2lvbjogMjU0NDQ2CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggM2QwYmZhMzE3ODY2NTRl Y2E1Zjg1Yjc3Y2NhYmRmOWI2MzJiNmRjNy4uY2ZhYjZjODNjYWJiMTBjMGE2ZTFhOGVjMzZjYzA4 MDY0NjcyYWQzNiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDI1IEBACisyMDIwLTAxLTEzICBTaW1v biBGcmFzZXIgIDxzaW1vbi5mcmFzZXJAYXBwbGUuY29tPgorCisgICAgICAgIFJFR1JFU1NJT04g KENhdGFsaW5hKSBub24tc2Nyb2xsaW5nIGlmcmFtZSBwcmV2ZW50cyBkb2N1bWVudCBzY3JvbGxp bmcKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTIwMjY4 NworCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIExhdGNo aW5nIGNvZGUgaW4gRXZlbnRIYW5kbGVyTWFjIHdvdWxkIGNvbnNpZGVyIDxpZnJhbWUgc2Nyb2xs aW5nPW5vPiB0byBiZSBhIGxhdGNoaW5nCisgICAgICAgIGNhbmRpZGF0ZSwgd2hpY2ggd291bGQg 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