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Explainer https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/highlight/HighlightsFromPointsExplainer.md Specification https://drafts.csswg.org/css-highlight-api-1/#interactions Summary The highlightsFromPoint API enables developers to interact with custom highlights by detecting which highlights exist at a specific point within a document. This interactivity is valuable for complex web features where multiple highlights may overlap or exist within shadow DOM. By providing precise point-based highlight detection, the API empowers developers to manage dynamic interactions with custom highlights more effectively, such as responding to user clicks or hover events on highlighted regions to trigger custom tooltips, context menus, or other interactive features. Blink component Blink>CSS<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECSS%22> TAG review https://github.com/w3ctag/design-reviews/issues/1043 TAG review status Issues addressed Risks Interoperability and Compatibility The 'highlightsFromPoint' API is a new feature so there isn't a compatibility risk. The interoperability risk is limited to the usual risk of limited adoption and/or inconsistent browser support for a new feature. Gecko: No signal (https://github.com/mozilla/standards-positions/issues/1068) WebKit: No signal (https://github.com/WebKit/standards-positions/issues/394) Web developers: Positive (https://github.com/w3c/csswg-drafts/issues/7513#issuecomment-1211033472, https://github.com/w3c/csswg-drafts/issues/7447#issuecomment-2386160133, https://github.com/w3c/csswg-drafts/issues/7447#issuecomment-1183422904) Other signals: Ergonomics None Activation None Security None 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? None 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<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>? Yes https://wpt.fyi/results/css/css-highlight-api/HighlightRegistry-highlightsFromPoint.html?label=experimental&label=master&aligned https://wpt.fyi/results/shadow-dom/HighlightRegistry-highlightsFromPoint.html?label=master&label=experimental&aligned Note that these tests are currently failing in wpt.fyi because the feature still has the status test in code<https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/platform/runtime_enabled_features.json5;l=2333?q=runtime_enabled_features.json&ss=chromium%2Fchromium%2Fsrc>, so it's not activated for these tests that run under experimental flag, but worth mentioning they're passing in chromium CI. They're expected to pass in wpt.fyi as well once the feature status is upgraded. Flag name on about://flags None Finch feature name HighlightsFromPoint Requires code in //chrome? False Tracking bug https://issues.chromium.org/issues/365046212 Estimated milestones Shipping on desktop 134 Anticipated spec changes Open questions about a feature may be a source of future web compat or interop issues. Please list open issues (e.g. links to known github issues in the project for the feature specification) whose resolution may introduce web compat/interop risk (e.g., changing to naming or structure of the API in a non-backward-compatible way). None Link to entry on the Chrome Platform Status https://chromestatus.com/feature/4552801607483392?gate=4762112543686656 Links to previous Intent discussions Intent to Prototype: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/SJ0PR00MB130193097BB3B418C676D88CEC642%40SJ0PR00MB1301.namprd00.prod.outlook.com This intent message was generated by Chrome Platform Status<https://chromestatus.com/>. -- 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/BL4PR00MB26636D7174ADA73FC348333DDCF92%40BL4PR00MB2663.namprd00.prod.outlook.com.
