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[web] use semantic tags for headings (h1, h2, etc), and fix missing secondary roles #53703
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| /// | ||
| /// Normally, heading elements are not focusable as they do not receive | ||
| /// keyboard input. However, when a route is pushed (e.g. a dialog pops up), | ||
| /// the it may be desirable to move the screen reader focus to the heading |
| void addHeadingRole() { | ||
| setAriaRole('heading'); | ||
| } | ||
| DomElement createElement() => createDomElement('h${semanticsObject.headingLevel}'); |
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What happens if the headingLevel changes? Does the update automatically create a new element and call this method?
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Heading level should not change. It confuses screen readers. Web crawlers snapshot the heading at its default value too, so changing has no effect either. We could issue a warning, but I'd rather such warnings are issued by the framework, and the engine will just do a graceful degradation of functionality (in this case the heading level stays the same forever).
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…issing secondary roles (flutter/engine#53703)
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flutter/engine@4ee09d3...e6b0969 2024-07-05 skia-flutter-autoroll@skia.org Roll Skia from 4a27ce0f92d4 to 172eb4ee4cb3 (1 revision) (flutter/engine#53740) 2024-07-05 yjbanov@google.com [web] use semantic tags for headings (h1, h2, etc), and fix missing secondary roles (flutter/engine#53703) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll Please CC aaclarke@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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…1352) flutter/engine@4ee09d3...e6b0969 2024-07-05 skia-flutter-autoroll@skia.org Roll Skia from 4a27ce0f92d4 to 172eb4ee4cb3 (1 revision) (flutter/engine#53740) 2024-07-05 yjbanov@google.com [web] use semantic tags for headings (h1, h2, etc), and fix missing secondary roles (flutter/engine#53703) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll Please CC aaclarke@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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Switch to using semantic heading tags (h1, h2, etc).
Fix missing secondary roles: focus, live region, route name, and label.
Improves indexability (flutter/flutter#46789)