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-rw-r--r--testing/mochitest/BrowserTestUtils/BrowserTestUtilsParent.sys.mjs39
1 files changed, 39 insertions, 0 deletions
diff --git a/testing/mochitest/BrowserTestUtils/BrowserTestUtilsParent.sys.mjs b/testing/mochitest/BrowserTestUtils/BrowserTestUtilsParent.sys.mjs
new file mode 100644
index 0000000000..ae8321233a
--- /dev/null
+++ b/testing/mochitest/BrowserTestUtils/BrowserTestUtilsParent.sys.mjs
@@ -0,0 +1,39 @@
+/* vim: set ts=2 sw=2 sts=2 et tw=80: */
+/* 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/. */
+
+export class BrowserTestUtilsParent extends JSWindowActorParent {
+ receiveMessage(aMessage) {
+ switch (aMessage.name) {
+ case "DOMContentLoaded":
+ case "load": {
+ // Don't dispatch events that came from stale actors.
+ let bc = this.browsingContext;
+ if (
+ (bc.embedderElement && bc.embedderElement.browsingContext != bc) ||
+ !(this.manager && this.manager.isCurrentGlobal)
+ ) {
+ return;
+ }
+
+ let event = new CustomEvent(
+ `BrowserTestUtils:ContentEvent:${aMessage.name}`,
+ {
+ detail: {
+ browsingContext: this.browsingContext,
+ ...aMessage.data,
+ },
+ }
+ );
+
+ let browser = this.browsingContext.top.embedderElement;
+ if (browser) {
+ browser.dispatchEvent(event);
+ }
+
+ break;
+ }
+ }
+ }
+}