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Explainer https://github.com/whatwg/html/pull/11045 Specification https://html.spec.whatwg.org/multipage/form-elements.html#attr-button-command-request-close-state Summary Dialog elements can be closed through a variety of mechanisms, sometimes developers want to have the ability to prevent closure. To achieve this dialogs fire a cancel event. Originally this was only fired via a close request (eg ESC key press), recently a `requestClose()` JS function was added which also fires the cancel event. The 'request-close' command brings that new ability to the declarative invoker commands API. Blink component Blink>DOM TAG review This is a minimal extension to the Invoker Commands API which was tag reviewed. TAG review status Not applicable Risks Interoperability and Compatibility This is a new value for `command`, there shouldn't be any compat risks. The interop risk is low, WebKit already has an implementation of this addition as part of the (currently flagged) command invokers implementation. Gecko: Positive (https://github.com/mozilla/standards-positions/issues/902) Supportive of overall feature, I consider this addition to be small enough to not warrant a separate position issue. WebKit: Positive (https://github.com/whatwg/html/pull/11045#issuecomment-2694671925) Web developers: No signals Other signals: WebView application risks Does this intent deprecate or change behavior of existing APIs, such that it has potentially high risk for Android WebView-based applications? Debuggability None Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, ChromeOS, Android, and Android WebView)? Yes Is this feature fully tested by web-platform-tests? Yes https://wpt.fyi/results/html/semantics/the-button-element/command-and-commandfor/on-dialog-behavior.html Flag name on about://flags Experimental Web Platform Features Finch feature name HTMLCommandRequestClose Rollout plan Will ship enabled for all users Requires code in //chrome? False Tracking bug https://crbug.com/400647849 Availability expectation Feature is available on Web Platform mainline within 12 months of launch in Chrome. Adoption expectation Feature is considered a best practice for some use case within 12 months of reaching Web Platform baseline. Estimated milestones Shipping on desktop 139 DevTrial on desktop 136 Shipping on Android 139 DevTrial on Android 136 Shipping on WebView 139 Anticipated spec changes Open questions about a feature may be a source of future web compat or interop issues. Please list open issues (eg links to known github issues in the project for the feature specification) whose resolution may introduce web compat/interop risk (eg, changing to naming or structure of the API in a non-backward-compatible way). Link to entry on the Chrome Platform Status https://chromestatus.com/feature/5592399713402880?gate=6212275096256512 This intent message was generated by Chrome Platform Status. -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to blink-dev+unsubscr...@chromium.org. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/68305599.2b0a0220.33c819.06fd.GAE%40google.com.
