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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /testing/talos/talos/pageloader/chrome/a11y.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/talos/talos/pageloader/chrome/a11y.js')
-rw-r--r-- | testing/talos/talos/pageloader/chrome/a11y.js | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/testing/talos/talos/pageloader/chrome/a11y.js b/testing/talos/talos/pageloader/chrome/a11y.js new file mode 100644 index 0000000000..3541076ee7 --- /dev/null +++ b/testing/talos/talos/pageloader/chrome/a11y.js @@ -0,0 +1,66 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* eslint-env mozilla/frame-script */ + +(function () { + let gAccService = 0; + + function initAccessibility() { + if (!gAccService) { + var service = Cc["@mozilla.org/accessibilityService;1"]; + if (service) { + // fails if build lacks accessibility module + gAccService = Cc["@mozilla.org/accessibilityService;1"].getService( + Ci.nsIAccessibilityService + ); + } + } + return !!gAccService; + } + + function getAccessible(aNode) { + try { + return gAccService.getAccessibleFor(aNode); + } catch (e) {} + + return null; + } + + function ensureAccessibleTreeForNode(aNode) { + var acc = getAccessible(aNode); + + ensureAccessibleTreeForAccessible(acc); + } + + function ensureAccessibleTreeForAccessible(aAccessible) { + var child = aAccessible.firstChild; + while (child) { + ensureAccessibleTreeForAccessible(child); + try { + child = child.nextSibling; + } catch (e) { + child = null; + } + } + } + + // Walk accessible tree of the given identifier to ensure tree creation + function ensureAccessibleTreeForId(aID) { + var node = content.document.getElementById(aID); + if (!node) { + return; + } + ensureAccessibleTreeForNode(node); + } + + addEventListener("DOMContentLoaded", e => { + Cu.exportFunction(initAccessibility, content, { + defineAs: "initAccessibility", + }); + Cu.exportFunction(ensureAccessibleTreeForId, content, { + defineAs: "ensureAccessibleTreeForId", + }); + }); +})(); |