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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/talos/talos/pageloader/chrome/a11y.js
parentInitial commit. (diff)
downloadfirefox-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.js66
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
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+++ 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",
+ });
+ });
+})();