1 files changed, 17 insertions, 0 deletions
diff --git a/toolkit/actors/AutoplayParent.sys.mjs b/toolkit/actors/AutoplayParent.sys.mjs
new file mode 100644
index 0000000000..3e9f807b3a
--- /dev/null
+++ b/toolkit/actors/AutoplayParent.sys.mjs
@@ -0,0 +1,17 @@
+/* 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 AutoplayParent extends JSWindowActorParent {
+  receiveMessage(aMessage) {
+    let topBrowsingContext = this.manager.browsingContext.top;
+    let browser = topBrowsingContext.embedderElement;
+    let document = browser.ownerDocument;
+    let event = document.createEvent("CustomEvent");
+    event.initCustomEvent("GloballyAutoplayBlocked", true, false, {
+      url: this.documentURI,
+    });
+    browser.dispatchEvent(event);
+  }
+}