[Webkit-unassigned] [Bug 220222] New: AX: aria-orientation is ignored on input[type="range"]

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=220222

            Bug ID: 220222
           Summary: AX: aria-orientation is ignored on input[type="range"]
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: silbermann.sebastian at gmail.com
                CC: webkit-bug-importer at group.apple.com

`<input type="range" aria-orientation="vertical" />` is exposed as a horizontal slider. IE 11 and Edge 15 they exposed as vertical sliders (verified with JAWS) as defined by spec (Aria 1.1 https://www.w3.org/TR/wai-aria-1.1/#slider + html-aam https://www.w3.org/TR/html-aam-1.0/#details-id-68).

0. Please ignore broken visuals since `input[type="range"]` is not responsible for them. We're only piggy-backing it for input behavior.

1. Visit https://poqq4.csb.app/

2. We refer to `input[type="range"]:not([aria-orientation="vertical"])` as A, `input[type="range"][aria-orientation="vertical"]` as `B`, `input.fix-aria-orientation[type="range"][aria-orientation="vertical"]` as `C` and `[role="slider"][aria-orientation="vertical"]` as `D`

Jaws + {ie11,edge 15}:
  A: left/right slider
  B: up/down slider
  C: up/down slider
  D: up/down slider
Jaws + firefox:
  A: left/right slider
  B: left/right slider (BAD)
  C: left/right slider (BAD)
  D: up/down slider
Jaws + chrome:
  A: left/right slider
  B: left/right slider (BAD)
  C: up/down slider
  D: up/down slider
VoiceOver + (chrome,safari):
  A: left/right slider
  B: left/right slider (BAD)
  C: up/down slider
  D: up/down slider

NVDA: Irrelevant since they don't implement orientation for sliders (https://github.com/nvaccess/nvda/issues/6283).

Originally reported in https://bugs.chromium.org/p/chromium/issues/detail?id=1158217&hotlist_id=8815&sort=%20rank%20-ID

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