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Bug 1960045: Modify shared-head.js to use hidden instead of aria-hidden for contentSetup r=Jamie

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Differential Revision: https://phabricator.services.mozilla.com/D245321
This commit is contained in:
Morgan Rae Reschenberg
2025-04-15 21:34:59 +00:00
parent 759dda7318
commit 9798f502e1
1 changed files with 9 additions and 6 deletions
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15
accessible/tests/browser/shared-head.js
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@@ -351,8 +351,10 @@ function wrapWithIFrame(doc, options = {}) {
if (options.contentSetup) {
// Hide the body initially so we can ensure that any changes made by
// contentSetup are included when the body's content is initially added to
// the accessibility tree.
iframeDocBodyAttrs["aria-hidden"] = "true";
// the accessibility tree. Use `hidden` instead of `aria-hidden` because the
// latter is ignored when applied to top level docs/<body> elements and we
// want to remain consistent with our handling for non-iframe docs.
iframeDocBodyAttrs.hidden = true;
}
if (options.remoteIframe) {
// eslint-disable-next-line @microsoft/sdl/no-insecure-url
@@ -427,8 +429,9 @@ function snippetToURL(doc, options = {}) {
} else if (options.contentSetup) {
// Hide the body initially so we can ensure that any changes made by
// contentSetup are included when the body's content is initially added to
// the accessibility tree.
attrs["aria-hidden"] = "true";
// the accessibility tree. Use `hidden` instead of `aria-hidden` because the
// latter is ignored when applied to top level docs/<body> elements.
attrs.hidden = true;
}
const encodedDoc = encodeURIComponent(
@@ -614,13 +617,13 @@ function accessibleTask(doc, task, options = {}) {
info("Executing contentSetup");
const ready = waitForEvent(EVENT_REORDER, currentContentDoc());
await invokeContentTask(browser, [], options.contentSetup);
// snippetToURL set aria-hidden on the body. We now Remove aria-hidden
// snippetToURL set hidden on the body. We now Remove hidden
// and wait for a reorder on the body. This guarantees that any
// changes made by contentSetup are included when the body's content
// is initially added to the accessibility tree and that the
// accessibility tree is up to date.
await invokeContentTask(browser, [], () => {
content.document.body.removeAttribute("aria-hidden");
content.document.body.removeAttribute("hidden");
});
await ready;
info("contentSetup done");