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-rw-r--r--toolkit/actors/BrowserElementParent.sys.mjs36
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+/* 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/. */
+
+/**
+ * The BrowserElementParent is for performing actions on one or more subframes of
+ * a <xul:browser> from the browser element binding.
+ */
+export class BrowserElementParent extends JSWindowActorParent {
+ receiveMessage(message) {
+ switch (message.name) {
+ case "DOMWindowClose": {
+ // This message is sent whenever window.close() is called within a window
+ // that had originally been opened via window.open. Double-check that this is
+ // coming from a top-level frame, and then dispatch the DOMWindowClose event
+ // on the browser so that the front-end code can do the right thing with the
+ // request to close.
+ if (!this.manager.browsingContext.parent) {
+ let browser = this.manager.browsingContext.embedderElement;
+ let win = browser.ownerGlobal;
+ // If this is a non-remote browser, the DOMWindowClose event will bubble
+ // up naturally, and doesn't need to be re-dispatched.
+ if (browser.isRemoteBrowser) {
+ browser.dispatchEvent(
+ new win.CustomEvent("DOMWindowClose", {
+ bubbles: true,
+ })
+ );
+ }
+ }
+ break;
+ }
+ }
+ }
+}