169706 2017-03-15 15:37:51 -0700 Shadow element styles based on host attributes do not update 2017-05-08 18:35:24 -0700 1 1 1 Unclassified WebKit DOM Safari Technology Preview Mac macOS 10.12 RESOLVED DUPLICATE 170762 InRadar P2 Normal --- 1 jan webkit-unassigned cdumez koivisto rniwa simon.fraser webkit-bug-importer oldest_to_newest 1288289 0 jan 2017-03-15 15:37:51 -0700 See http://jsbin.com/gubocem/edit?html,output Expect: Clicking the indicated element updates its `toggle` attribute, which should in turn apply a style rule changing the background color. This works as expected in Chrome. Actual: Clicking the element updates the attribute, but not the style. Using the inspector to manually disable the rule for `background` and re-enable it causes the rule to be applied as expected. We've encountered various flavors of this bug before: https://bugs.webkit.org/show_bug.cgi?id=112869 and https://bugs.webkit.org/show_bug.cgi?id=158900. 1288404 1 webkit-bug-importer 2017-03-15 19:23:46 -0700 <rdar://problem/31080691> 1306173 2 309447 jan 2017-05-08 17:35:10 -0700 Created attachment 309447 Repro case Adding the repro case as an attachment, as jsbin.com seems to be down/flaky. 1306192 3 rniwa 2017-05-08 18:35:24 -0700 *** This bug has been marked as a duplicate of bug 170762 *** 309447 2017-05-08 17:35:10 -0700 2017-05-08 17:35:10 -0700 Repro case webkitRecalcHostStyles.html text/html 1349 jan PCFET0NUWVBFIGh0bWw+CjxodG1sIGxhbmc9ImVuIj4KPGhlYWQ+CgogIDxtZXRhIGNoYXJzZXQ9 InV0Zi04Ij4KICA8bWV0YSBuYW1lPSJ2aWV3cG9ydCIgY29udGVudD0id2lkdGg9ZGV2aWNlLXdp ZHRoLGluaXRpYWwtc2NhbGU9MSI+CiAgPHRpdGxlPkNoYW5nZXMgaW4gc3R5bGVzIGJhc2VkIG9u IGhvc3QgYXR0cmlidXRlcyBub3QgcGlja2VkIHVwPC90aXRsZT4KCiAgPHNjcmlwdD4KICAgIGNs YXNzIFRlc3RFbGVtZW50IGV4dGVuZHMgSFRNTEVsZW1lbnQgewoKICAgICAgY29uc3RydWN0b3Io KSB7CiAgICAgICAgc3VwZXIoKTsKICAgICAgICBjb25zdCByb290ID0gdGhpcy5hdHRhY2hTaGFk b3coeyBtb2RlOiAnb3BlbicgfSk7CiAgICAgICAgcm9vdC5pbm5lckhUTUwgPSBgCiAgICAgICAg ICA8c3R5bGU+CiAgICAgICAgICAgIDpob3N0IHsKICAgICAgICAgICAgICBib3JkZXI6IDFweCBz b2xpZCBncmF5OwogICAgICAgICAgICAgIGN1cnNvcjogcG9pbnRlcjsKICAgICAgICAgICAgICBk aXNwbGF5OiBpbmxpbmUtYmxvY2s7CiAgICAgICAgICAgIH0KCiAgICAgICAgICAgICNjb250YWlu ZXIgewogICAgICAgICAgICAgIHBhZGRpbmc6IDAuNWVtOwogICAgICAgICAgICB9CgogICAgICAg ICAgICA6aG9zdChbdG9nZ2xlXSkgI2NvbnRhaW5lciB7CiAgICAgICAgICAgICAgYmFja2dyb3Vu ZDogcGluazsKICAgICAgICAgICAgfQogICAgICAgICAgPC9zdHlsZT4KICAgICAgICAgIDxkaXYg aWQ9ImNvbnRhaW5lciI+CiAgICAgICAgICAgIDxzbG90Pjwvc2xvdD4KICAgICAgICAgIDwvZGl2 PgogICAgICAgIGA7CgogICAgICAgIHRoaXMuYWRkRXZlbnRMaXN0ZW5lcignY2xpY2snLCAoKSA9 PiB7CiAgICAgICAgICBjb25zdCBhdHRyaWJ1dGVOYW1lID0gJ3RvZ2dsZSc7CiAgICAgICAgICBp ZiAodGhpcy5nZXRBdHRyaWJ1dGUoYXR0cmlidXRlTmFtZSkgIT09IG51bGwpIHsKICAgICAgICAg ICAgdGhpcy5yZW1vdmVBdHRyaWJ1dGUoYXR0cmlidXRlTmFtZSk7CiAgICAgICAgICB9IGVsc2Ug ewogICAgICAgICAgICB0aGlzLnNldEF0dHJpYnV0ZShhdHRyaWJ1dGVOYW1lLCAnJyk7CiAgICAg ICAgICB9CiAgICAgICAgfSk7CiAgICAgIH0KCiAgICB9CiAgICBjdXN0b21FbGVtZW50cy5kZWZp bmUoJ3Rlc3QtZWxlbWVudCcsIFRlc3RFbGVtZW50KTsKICA8L3NjcmlwdD4KCjwvaGVhZD4KCjxi b2R5PgogIDxwPgogICAgQ2xpY2tpbmcgdGhlIGVsZW1lbnQgYmVsb3cgc2hvdWxkIHRvZ2dsZSBp dHMgYmFja2dyb3VuZCBjb2xvci4KICA8L3A+CiAgPHRlc3QtZWxlbWVudD4KICAgIDxkaXY+Q2xp Y2sgbWU8L2Rpdj4KICA8L3Rlc3QtZWxlbWVudD4KPC9ib2R5Pgo=