1 files changed, 42 insertions, 0 deletions
diff --git a/dom/browser-element/BrowserElementChild.js b/dom/browser-element/BrowserElementChild.js
new file mode 100644
index 0000000000..762957bcd4
--- /dev/null
+++ b/dom/browser-element/BrowserElementChild.js
@@ -0,0 +1,42 @@
+/* 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 */
+/* global api, CopyPasteAssistent */
+
+"use strict";
+
+function debug(msg) {
+  // dump("BrowserElementChild - " + msg + "\n");
+}
+
+var BrowserElementIsReady;
+
+debug(`Might load BE scripts: BEIR: ${BrowserElementIsReady}`);
+if (!BrowserElementIsReady) {
+  debug("Loading BE scripts");
+  if (!("BrowserElementIsPreloaded" in this)) {
+    Services.scriptloader.loadSubScript(
+      "chrome://global/content/BrowserElementChildPreload.js",
+      this
+    );
+  }
+
+  function onDestroy() {
+    removeMessageListener("browser-element-api:destroy", onDestroy);
+
+    if (api) {
+      api.destroy();
+    }
+
+    BrowserElementIsReady = false;
+  }
+  addMessageListener("browser-element-api:destroy", onDestroy);
+
+  BrowserElementIsReady = true;
+} else {
+  debug("BE already loaded, abort");
+}
+
+sendAsyncMessage("browser-element-api:call", { msg_name: "hello" });